BMW 3 Rear View Camera Teardown

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EETimes publishes an article on BMW 3 Series rear view camera teardown with Omnivision's sensor inside. The estimated cost of the camera is between $50 and $75, while the price paid for the teared down device was $400.

The rear view camera board
1:26 PM

When Is a TV Not a TV?

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When the U. S. Supreme Court says so, that's when.  Last Wednesday, June 25, the Court issued a split decision (6-3) against Aereo, a provider of over-the-Internet broadcast TV service which used a unique technology to get around the requirement to pay retransmission fees to program originators, as cable TV companies do.  Without such fees, Aereo's service was really cheap—as little as eight bucks a month—and over the last year or two the firm had expanded into several urban U. S. markets.  In response to the ruling, on Sunday June 28 Aereo's CEO Ken Kanojia pulled the plug on the service "temporarily," although it will be surprising if Aereo ever makes a comeback, at least in its present form.

For readers who missed my blog on Aereo last February 3, a little background is in order.  Copyright laws exist so that creators of original content won't starve to death while unscrupulous people copy or retransmit the content without paying for it.  It seems to this non-lawyer that there is a happy medium of copyright law between two extremes.  One extreme is that of no law at all, which stifles originality because nobody can make money doing creative stuff.  The other extreme is copyright control, by the originators, of everything in perpetuity, which leads to permanent monopolies that work against the interests of the consumer.  Copyright law is largely a federal matter, so the U. S. Congress is where it comes from, and the proper job of the courts, including the U. S. Supreme Court, is to interpret the law the way Congress intended.

When cable TV arose in the 1950s as a way of providing TV service for isolated communities beyond the reach of TV signals, the content providers (mostly the big three networks back in those days) were miffed, because here was a bunch of companies taking money from their customers for signals they didn't pay for.  In response, Congress amended the copyright laws in 1976 to make it clear that cable TV was a "public performance," legally speaking.  The basic idea is that if you as a content provider take somebody else's content and make it available to all comers, you are profiting from it and should compensate the parties that you got the content from.  Hence, the big retransmission fees that cable companies pay to content providers.  The only exception to this rule is the end user or consumer, for whom the whole system operates.  If you sit in your own house and watch an over-the-air broadcast on your own TV using your own antenna, then it's not a public performance, and you don't have to pay retransmission fees because you're not retransmitting.

It was Ken Kanojia's dream to take that exact situation, and just stretch it out technically while staying within what he thought was the letter of the law.  An Aereo subscriber was at the end of a long chain of technology that started with a paperclip-looking antenna at an Aereo "head-end."  Each head end had thousands of individual antennas, so that every active subscriber controlled a different antenna.  The signal the consumer selected was picked up by the assigned antenna, converted to digital form, and sent over the Internet to the receiver of choice—a phone or computer or iPad or what have you.  The effect, broadly considered, was not essentially different from what a cable TV company would do:  a lot of hardware delivering someone else's content to a lot of consumers.  But technically, each consumer controlled a virtual TV of his or her own, so Aereo claimed it wasn't like cable TV at all—it was just a whole lot of individual TVs controlled by individual consumers.  And therefore, Aereo didn't have to pay retransmission fees.

Naturally, the service providers hated this into the ground, and quickly got their lawyers to sue Aereo.  Back in February, the lawsuits were working their way up the legal ladder to the Supreme Court, which heard the arguments in April, and finally last week the Court issued its decision.

The basic argument of the Court's majority was what I would call the duck approach:  if it walks like a duck and quacks like a duck, it must be a duck.  If you ignore the technical insides of how Aereo provides its service and just treat it like a black box, it's not that much different from a cable TV provider.  Hence, Aereo has to pay up just like the cable companies.  With his whole business carefully tailored to the assumption that his firm would not have to pay such fees, Kanojia recognized that the jig was up, and shut it down.

Three conservative members of the Court—Alito, Thomas, and Scalia—sided with Aereo, but not because they think Aereo should be left alone to go about its business.  Even the dissenters agreed that what Aereo is doing smacks of copyright infringement, but the dissenters thought that the similarity argument with cable TV was a weak one.  The dissenters are concerned that the adverse decision against Aereo will stifle technological innovation, and wanted to see a more technically savvy argument as to exactly what Aereo was doing wrong besides looking broadly like a cable TV company.

They may be right, but frankly, I'm not sure Aereo's kind of innovation is the sort we need.  Remember, if it weren't for lawyers and copyright laws, Aereo never would have designed their system the way they did in the first place.  It was a brilliant technical dodge designed to evade the retransmission fees by configuring the system to imitate a legal technology.  Unfortunately for Aereo, a majority of the Supreme Court justices didn't think the technical details made that much difference.  And when all is said and done, I tend to agree with them.

It seems to me that we need people like Ken Kanojia engaged in technical challenges that really matter, rather than spending his time devising clever ways to avoid legal obstacles.  I'm sure Kanojia believes that what he was doing was a true service to the consumer, but at least in the U. S., his Aereo venture looks like it has made its final performance—public or otherwise. 

Sources:  I consulted these news items on the Supreme Court Aereo decision: http://www.huffingtonpost.com/2014/06/28/aereo-suspension-operatio_n_5539559.html
and http://www.businessinsider.com/aereo-supreme-court-ruling-2014-6.  As mentioned, I last blogged on Aereo on Feb. 3, 2014.

Siliconfile Delisted from KOSDAQ, Officially Absorbed by SK Hynix

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MK: Siliconfile officially becomes a part of Hynix and has been delisted from KOSDAQ. SK Hynix owns Silicon File’s entire shares as of April 22, 2014.

Business Week: SK Hynix has acquired the remaining 72.07% stake in Siliconfile for KRW 48.8B ($47.4M) in stock transaction.
1:19 PM

ESPROS Demos ToF Evaluation Kit

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ESPROS Photonics publishes Youtube video showing its epc610 ToF sensor evaluation kit:

12:10 AM

LFoundry Rousset Fab Sold, Finally

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EETimes-Europe: The General Vision's (Petaluma, CA) bid for LFoundry Rousset fab failed to convince the judge that it was sustainable, according to reports of a decision handed down on June 13, 2014. The fab equipmemnt and its IP assets were acquired by Six Semicondutores, Brazil.
4:04 AM

Modern Image Sensor Testing Challenges

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Formfactor and Advantest presentation "Can testers and probe cards keep up with speed requirements for image sensors?" at Semiconductor Test Workshop in San Diego, CA on June 8-11, 2014 talks about the high speed interface testing issues:

9:15 PM

Sony Updates Xarina Roadmap

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Sony has updated its web page on Xarina, the family of all-in-one HD image processors for security cameras. A support for 4K cameras is coming sometime in 2015:

9:02 PM

Google Tango Project Tablets Feature pmd's 3D technology

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PresseBox: Google’s Advanced Technology and Projects group (ATAP) is demonstrating their latest Project Tango Tablet Development Kits at Google I/O 2014 today. Now, for the first time, the tablets with integrated pmd-based depth sensors are shown publicly. Besides a motion tracking and a RGB camera the tablets utilize a pmd-based 3D ToF sensor to allow the tablet to sense its environment in space and motion. The ToF sensor used in the tablet has been jointly developed by Infineon and pmdtechnologies.

"We are proud that Google's ATAP group shows the world for the first time how our 3D technology is contributing to the addition of environmental awareness to mobile devices in a new and unique way. We also look forward to seeing what kind of amazing applications will be developed based on this tablet as the possibilities are endless in applications such as augmented reality, architecture, retail, gaming, and many more.", says Bernd Buxbaum, CEO of pmdtechnologies.


A Youtube video shows Project Tango evolution and possible applications:



Update: PMD publishes a short Youtube video of Google Tango tablet with PMD ToF camera inside:

11:04 AM

Pixart Introduces CIS-based Heart Rate Monitor

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PR Newswire: Pixart keeps looking for the unusual image-sensor based products. The company's PAH 8001 Heart Rate Monitor integrates a unique CMOS sensor with a LED in a single package. The PAH 8001 uses photoplethysmogram (PPG) technique which passes a green LED light wave into the skin and measures the response change caused by the absorption due to the pulsating arterial blood. The actual measurement is done using a small CMOS Pixel Array and the output data can be used to not only monitor heart rate, but also body stress level, etc.

The Pixart's PAH 8001 is said to be the industry's smallest form factor device with low power consumption. Human trial testing results with the PAH 8001 device closely matches the accuracy obtained using a Medical heart rate measurement system, but packaged in a tiny 3mm x 5mm module and consumes 1.5mA (typ). When used while performing a high impact activity such as running or jogging, the initial testing data shows the accuracy to be within +/-5BPM for speeds up to 8km/h.

"PixArt Imaging is the current market leader in optical mice, but the core technologies (CMOS imaging, optical and system integration) are now enabling the development of new and emerging innovative applications being introduced into the marketplace." said Dennis Lo, President, PixArt Imaging USA. "This heart rate monitor sensor is just the beginning of a line of healthcare monitoring solutions that we will be introducing this year."
9:25 PM

Softkinetic and Melexis Collaborate on Automotive ToF Sensor

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PR Newswire: SoftKinetic and Melexis announce the availability of their first ToF 3D sensor for automobile safety and infotainment markets. The MLX75023 sensor featurs SoftKinetic technology and manufactured in Melexis' automotive-grade CMOS mixed signal process. It's said to work in full sunlight and can be used for natural 3D gesture recognition and robust driver monitoring.

The MLX75023 features include:
  • QVGA resolution (320 x 240 pixel)
  • DepthSense TOF pixels
  • 1/3” sensor format (4.8 x 3.6 mm2)
  • High ambient light robustness, up to 120 Klux
  • Spectral response range 800-900 nm
  • Suitable for LED or laser illumination
  • Sensor modulation up to 40 MHz
  • Up to 600 fps raw image frame rate
  • Small glass BGA package
  • Ambient temperature range –40 to +105 degC

"Working together with Melexis we have now been able to create a sensor that is robust in full sunlight, perfect for the automobile environment," said Michel Tombroff, CEO of SoftKinetic. "We are excited about the multitude of possibilities with this sensor, and look forward to the ways car manufacturers will incorporate it into the design of their vehicles' cockpits and beyond."

"Our partnership has allowed us to be the first to provide 3D vision to the automotive safety and infotainment markets, and we are confident that these sensors will enhance life safety and change the way drivers and passengers enjoy the vehicle experience," said Françoise Chombar, CEO at Melexis.

9:21 PM

Howard Rhodes' Presentation at IS 2014

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Yole Developpement reviews Howard Rhodes, Omnivision's CTO, presentation at 2014 Image Sensor Conference in London, UK. The "The Future of CMOS Imaging" presentation shows stacked sensor as the next big thing and discusses the different stacking approaches, among other stuff:

11:25 AM

Toppan-SMIC JV Begins 12-inch CFA & ML Production

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PR Newswire: SMIC announces that the first 12" CFA & micro lens array production line in mainland China has been completed and put into production by Toppan SMIC Electronics (Shanghai) Co., Ltd. ("TSES"), a joint venture of SMIC and Toppan. Combined with SMIC's 12" CIS wafer production line, a full 12" CIS supply chain will be established in China.

"Building a 12" color filter & micro lens array production line is an pivotal step for SMIC to create IC manufacturing supply chain and implement differentiated strategy," said Dong Cui, EVP of SMIC Investment and Strategic Business Development. "With SMIC's front-end 12" CIS wafer manufacturing line in volume production and existing domestic back-end package capacity, SMIC will build the first complete 12" CIS supply chain in China covering all the processes of front-end, middle-end and back-end to support customers with differentiated offerings and a convenient one-stop service."

"TSES, invested jointly by SMIC and Toppan, is the first company in China to manufacture and sell color filter and micro lens array used for CIS. Its 8" production line has been put into volume production for many years. The new 12" production line will further extend SMIC and TSES's business scopes," said Mike Rekuc, EVP of SMIC Worldwide Sales and Marketing.
10:35 AM

The Two-Edged Sword of Email Archives

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Lois Lerner, former head of the U. S. Internal Revenue Service Exempt Organizations Division, is a lawyer by training.  Don't forget that fact, which is significant for what follows.  When her division came under fire for selectively persecuting conservative organizations with everything from delays in processing tax-exemption applications to leaks of confidential donor lists, she refused to testify before a House of Representatives investigative committee, claiming the Fifth Amendment's guarantee against self-incrimination.  The House later voted to hold her in contempt of Congress.  And more recently, investigators working the scandal have learned that Ms. Lerner's emails for a critical period ending in 2011 are probably lost because the hard drive she had them on crashed and was thrown away.  Besides throwing a big monkey wrench into the investigation, this fact highlights a question of interest to engineers who design information systems and everyone who uses email:  what do you do with old emails?

Anyone reading this blog is very likely a daily user of email.  Email has been a routine part of life for so long that it is hard to imagine a time when it was available only to a select few computer scientists and physicists in the 1970s.  The transition year for my use of email was 1993.  Here is an excerpt from my journal for Oct. 2 of that year:  "This is the year I have gone whole-hog into email.  Before . . . a year ago I hardly ever used it, but now it’s a rare day I don’t get at least three or four email messages, and send almost that many."  Ah, the good old days.

Most emails, like most conversations, are fleeting in significance.  Once the meeting is set up or the news is shared, the bits representing the message have served their purpose, and you face the problem of what to do with them.  Some people just let the stuff accumulate in their inboxes as close to forever as the operating system permits, using search engines to locate the occasional old email that needs to be found.  A subset of these folks end up declaring "email bankruptcy," which is a term attributed to Lawrence Lessig for a person who gets overwhelmed by email in a given account, ignores it while it piles up to intimidating proportions, and then flushes the whole thing.  Others keep old emails until some external factor intervenes, like a hard-drive crash or a notice from IT support saying their inbox is full.  And then there are the email packrats like me.

Once a month, I go through my email inbox and pitch emails I no longer need.  This is the majority of them, because even after my university's spam filter has disposed of the worst offenders, I still get hundreds of emails every month from conferences I will never attend, organizations I will never join, and product and service providers whose products or services I will never need.  When I encounter an email I would like to keep, I sort it into a folder in my Mac Mail application, which physically resides on my computer.  (No email clouds for this guy—not yet, anyway.)  This tedious task takes me the better part of an morning or afternoon each month, but at the end of it I have the satisfaction of a clean email inbox and the knowledge that I can find any important emails I need without using a search engine, which I've never found that helpful for emails anyway.  Together with regular backups to an external hard drive, this process allows me to locate, or at least have possession of, any email I have received going back as far as 1998, and earlier if I cared to dig up some legacy email software.  It's not quite true that I still have the first email I ever received, but I've got some pretty old ones in there.

Now if I were a lawyer, this clinging to old emails would be unwise behavior on my part.  Why?  Because, as a patent lawyer once told me when I asked whether I should email him or phone him about a delicate and confidential matter, "emails are discoverable, and phone conversations aren't."  "Discoverable" means if somebody sues or indicts you and sends you a subpoena, they can legally grab documents of all kinds, including emails.  But if you happened to have a phone conversation that wasn't recorded, there's nothing to discover, and they have to use oral questioning to grill the participants' memories, which can be conveniently feeble at times. 

It is not for me to say whether Lois Lerner's conveniently-timed hard drive crash and disposal were just the normal way the IRS did business, or whether there were more nefarious things going on.  Experience has taught me that for every bad thing that happens due to evil intent, six or eight bad things happen due to simple incompetence.  It turns out that the IRS's email system managers kept tapes of all emails, but these were routinely erased and reused every six months because they were backups kept for emergencies, not archives retained for permanent storage.  Investigators have turned up thousands of Lerner's emails preserved on the machines of people she sent emails to, so that is something, but the electronic records will never be as complete as they might have been if Lerner had been more of an email packrat.

But if she had been, she probably would have gone into some other field than law, like engineering, and nobody would care about her old emails.  Lawyers know that old records of all kinds, not just emails, can be both helpful and harmful.  The IRS people in charge of email may have made a considered judgment not to keep old emails longer than a certain time.  Or it may have just been up to the individual employee.  At any rate, the lesson from this situation is that old emails are two-edged swords.  If you get rid of them, your life is simpler, but you may be called to account for doing something like purging old emails, that you didn't consider was wrong at the time.  But if you keep them, they may come back to haunt you.

Sources:  I referred to these news stories describing the details of Lois Lerner's hard-drive vicissitudes:  from Politico at http://www.politico.com/story/2014/06/irs-lois-lerner-emails-108044.html from USA Today at http://www.usatoday.com/story/news/politics/2014/06/17/how-the-irs-lost-lois-lerners-e-mails/10695507/, and from National Review Online at http://www.nationalreview.com/article/362667/investigation-ids-irs-leaker-eliana-johnson.  I also referred to the Wikipedia articles on email, Lois Lerner, and the 2013 IRS scandal.

Piping Designer – Bangkok WorleyParsons

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Job Title: Piping Designer Job Type: Full-time Advertising Category: Engineering/Design & Sciences Location of Job: Bangkok, BM TH (Primary) Job Description: HSE Leadership • Attend Safety Audits • Ensure that design focuses on safety in construction, maintenance and operation. • Ensure that the work place is safe. • Be pro-active in safety, report hazards and concerns •

Principal Designer (Edmonton) at KBR - Canada - Industrial Opportunities

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Principal Designer (Edmonton) at KBR - Canada Location: Edmonton, AB, Canada Category: Engineering - General Requisition ID: IRC1194 Brief Posting Description When you become part of the KBR team, your opportunities are endless. As a leading global engineering, construction, and services company, we support the energy, hydrocarbon, government services, minerals, civil infrastructure,
7:34 PM

Photonis Announces Color 9.7um Pixel Sensor

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New Photonis Kameleon appears to be the color version of 1.3MP 9.7um pixel Lynx sensor announced two years ago. The specs of the two sensors are nearly identical and both are aimed to night vision, homeland security, surveillance and scientific applications.

2:06 AM

Open Access Papers

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The new open access IEEE publication, IEEE Journal of the Electron Devices Society, which published Eric Fossum's pinned PD review, now publishes too more papers on photodiodes:

"Pixel Level Characterization of Pinned Photodiode and Transfer Gate Physical Parameters in CMOS Image Sensors" by Goiffon, V.; Estribeau, M.; Michelot, J.; Cervantes, P.; Pelamatti, A.; Marcelot, O.; Magnan, P.
Institut Suprieur de l'Aeronautique et de l'Espace (ISAE), Universite de Toulouse, Pyxalis

"Extraction and Estimation of Pinned Photodiode Capacitance in CMOS Image Sensors" by Chao, C.Y.; Chen, Y.; Chou, K.; Sze, J.; Hsueh, F.; Wuu, S.
TSMC

Thanks to DSSB for the link!
5:58 AM

Mantis Vision Raises $12.5M from Strategic Investors

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Marketwired: Mantis Vision announces a $12.5M strategic investment round from Qualcomm Ventures, Flextronics' hardware venture arm, Lab IX; Sunny Optical, and Samsung. Mantis Vision believes this strategic investment will accelerate its plans for shifting the 3D paradigm via its core MV4D technology platform.

"3D is as big a paradigm shift for mobile as was the introduction of the camera-phone, the type of change that only comes around once every decade. We now have the opportunity to deliver professional-grade 3D-enabled mobile devices and capabilities to the world," said Amihai Loven, CEO, Mantis Vision. "Our mission is to bring 3D to the masses, allowing users to create their own 3D content with ease. This strategic investment offers us the flexibility to expand quickly and strategically, as well as fuel adoption and engagement directly with consumer audiences worldwide."
5:45 AM

Rambus Optimizes Conditional Reset Pixel

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Rambus conditional reset pixel requires an ability to control reset on per pixel basis:


The company patent application US20140158863 "High Fill-Factor Image Sensor Architecture" by Michael Guidash proposes to combine column reset select line with the output bitline:

11:22 PM

Sony Improves IR Response of its BSI Sensor

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Sony announces 3.21MP 2.5um BSI pixel CMOS sensor IMX123LQT with improved NIR sensitivity for industrial applications. "Sensitivity in the near infrared range has been increased to 1.5 or more times that of existing models by applying technical know-how for improving sensitivity in the near infrared range developed for front-illuminated structures to the pixels of an industry-leading back-illuminated structure."

The sensor features WDR mode based on "DOL (digital overlap) drive: This function outputs up to three frames of images alternately on each line. It requires a dedicated ISP, but provides advantages such as improved characteristics in low-light environments compared to conventional WDR that uses multiple frame set output. (See photograph 3.) Multiple DOL drive settings are provided to enable control and data reception in accordance with the ISP used."


Additional WDR features are:
  1. 14-bit ADC enables a good DR from a single image
  2. Multiple frame set output function. The exposure time and the gain can be set separately for each frame. This function helps to realize WDR functions, and can also be applied to applications such as bracket shooting.
  3. Function that combines two images with different exposure times inside the image sensor and outputs the synthesized image. This function is suited to applications that aim to easily realize WDR when there is no function for combining multiple frames on the ISP side
1:30 PM

RF Testers Meet Image Sensors

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As MIPI speed follows the image sensor frame rate advances and reaches higher Gbps rates, Agilent comes with S-Parameter test suite adapted for MIPI channel tests:

1:14 PM

Amazon Fire Phone Uses 4 IR Cameras for 3D UI

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The Verge, Mashable: Amazon Fire Phone uses four front-facing IR cameras to create a 3D user interface: "Perhaps the most useful application shown off so far is simply tilting the phone to scroll through a web page like The Washington Post or to page through a Kindle book. Of course, we've seen other tilting features before and they've a lot to be desired, but Amazon's demo seems to make these features seem far better than previous attempts. The question will be whether or not the extra processing power and potential battery life drain to run these multiple cameras will be worth it."

Jeff Bezos presents 3D UI features
1:33 PM

Dual Aperture Announces JV with KAIST

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PR Newswire: Dual Aperture, Inc. announces a joint venture with the Center for Integrated Smart Sensors (CISS) that will more than double the engineering resources dedicated to commercializing Dual Aperture's 3-D imaging technology. Dual Aperture's technology is based on its 4-color sensor that is equipped with a dual aperture design, which is comprised of RGB and IR pixels. The sensor also uses separate apertures for the respective RGB and IR pixels, thereby capturing data for two distinct images -- one each in the RGB and the IR spectrums -- with different levels of sharpness to generate real-time 3D depth information.

Professor Chong-Min Kyung, CEO of CISS and Professor at KAIST, adds, "CISS receives collaboration proposals from all over the world and when we examined Dual Aperture's technology, we jumped at the opportunity to build on what we believe to be truly disruptive technology for smart cameras and smart sensors. We are extremely excited to work with Dual Aperture for the advancement of RGB-IR technology."

A Vimeo video shows gesture recognition application based on the company's technology:

Dual Aperture Gesture Control from Dual Aperture on Vimeo.

12:28 PM

Tessera Brings Back Fotonation Brand

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FotoNation, a wholly owned subsidiary of Tessera, announces that it will once again operate under its original FotoNation name. Fotonation's software is said to be inside of more than 60% of global tier-1 smartphones. FotoNation will operate as a distinct identity of parent company Tessera Technologies.

FotoNation is now taking its advances in smartphone imaging algorithms into the growing automotive, surveillance, security, and augmented reality markets. “All manner of machines, as well as the cameras inside them, are getting smarter. As their computational power increases, the opportunity for advanced imaging technologies also increases,” said Petronel Bigioi, VP of Engineering at FotoNation. “We are enabling cars to tell the difference between sleepy and wakeful drivers, security cameras to know who is accessing a secure environment, smartphones to perform biometric authentication, and a wealth of new applications in the growing wearable-computing space.
9:27 PM

ST Promotes ToF Proximity Sensor

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ST publishes a new version of its Youtube video on VL6180X SPAD-based ToF proximity sensor adding its gesture control application. The old version has been removed from Youtube.

9:20 PM

Piping Supervisor – Foster Wheeler Saudi Arabia

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Senior Piping - Layout Engineer Foster Wheeler Russia

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Senior Piping - Layout Engineer Moscow Russia Employment Type: Permanent OVERVIEW: Senior Piping layout engineer RESPONSIBILITIES: Duties The Senior Piping-layout Engineer develops the plant layout studies and designs the piping system. He is responsible for the preparation of the equipment layout, the 3D model, the issue of the piping isometric drawings, the piping materials list, etc

ULIS Announces 0.7MP/100fps 200mW IR Imager

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ALA: ULIS, a subsidiary of Sofradir and GE Equity, announces the Pico1024E GenII, an energy-efficient thermal image sensor for military applications.

"ULIS’ megapixel Pico1024E GenII meets the challenges in thermal image sensors for military applications that need to offer new capabilities and perform at very high standards, while operating with minimum energy," said Jean-Francois Delepau, managing director of ULIS. "Pico1024E GenII has already stimulated interest from defense equipment customers. Its performance pushes the standards in image crispness, frame rate frequency and low power consumption to the highest levels. We expect Pico1024E GenII to open up new possibilities in the future development of thermal imaging systems."

Pico1024E GenII, a 1024 x 768 17um pixel thermal image sensor, is able to maintaining power consumption at the lowest levels (200mW) at frame rate of 100fps. This is close to double the frame rate frequency for this category of megapixel thermal image sensor. A progress in lowering the power consumption down to 200mW put it ahead of competing products requiring two to three times more electrical power. Major upgrades to Pico1024E GenII consist of higher thermal sensitivity of lower than 50mK, offering 15 per cent additional thermal sensitivity over the previous generation.

11:26 AM

BAE is First to Commercialize 12um IR Pixel Imager

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BAE Systems: Developed for a new class of compact and low-cost imaging systems, BAE TWV640 thermal camera core is based on the first commercially available uncooled 12um pixel. Reducing the pixel size from 17um to 12um is said to allow imaging system manufacturers to reduce lens size by 50% and decrease optics costs by 20%.

"As the first to deliver a 12-micron thermal camera core, we’re providing our customers a tremendous competitive advantage, helping them drive down system costs while providing superior imagery typically associated with our MicroIR products," said Christian Rodriguez, business development at BAE Systems. "Our TWV640 module empowers our customers to create and deliver a new generation of affordable, compact, thermal imaging systems for a broad range of applications."

Further advancing the technology developed for the 17um MIR640 thermal camera core, the TWV640 module is optimized to provide affordable thermal imaging performance in a compact, low-power solution. The TWV640 camera core captures VGA images at 60Hz to observe dynamic environments revealing details that competitors’ 30Hz offerings miss, while also eliminating the disorientation that comes from using slower video.

Compatible with off-the-shelf lenses from leading optics providers and using standard interface protocols like USB, NTSC and CameraLink, the TWV640 module is a drop-in 640x480 thermal camera core designed for makers of commercial, civil and military thermal imaging solutions.

11:26 AM

To Monetize or Not To Monetize—Reader Responses Requested

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One of the more prominent concerns in engineering ethics is the improper influence of money.  It's impossible to do engineering of any magnitude without money being involved somehow, because doing work for pay is what engineering is mostly about.  Without meaning to, G. K. Chesterton provided one of the best and most succinct definitions of engineering I've ever come across:  "the application of physical science to practical commerce."  And commerce involves money, so money changes hands in most engineering work.

It's how money changes hands, and who knows about it, that can lead one into an ethical quagmire.  Two items in the IEEE's Code of Ethics address this problem.  In its code, the IEEE charges its members "to avoid real or perceived conflicts of interest whenever possible, and to disclose them to affected parties when they do exist" and "to reject bribery in all its forms."  Getting paid for engineering work is not a problem.  But if an engineer gives the impression of doing something on an objective basis—selecting competing bids for an engineering project based on technical criteria, for instance—but in fact has been secretly influenced to favor one party over others by means of money or its value equivalent paid by that party, then you have a conflict of interest, at least, and possibly a case of bribery.  And while engineers of all stripes should be careful about such things, one who writes a blog on engineering ethics must be especially cautious.

Preserving not only objectivity, but the appearance of objectivity, is the main reason that since I began this blog about eight years ago, I have kept it as non-commercial as possible.  It is brought to you by Google, a notably profit-making enterprise, but I pay them nothing and they pay me nothing, unless you count the value of the technical facilities they provide me to enter the blog text into their system every week.  In exchange, of course, they hope that my blog encourages people to use their search engine, and I suppose in that way I'm responsible for a vanishingly small fraction of Google's profit.  But other than that very tenuous exchange, I get no monetary or economic benefit from writing this blog.  In fact, on occasion Google has come in for its share of criticism in this space, and nobody has ever pulled my plug that I'm aware of. 

I am now considering an experiment in what is called "monetizing."  Basically, I would tell Google that it's okay to put some amount of advertising on my blog.  Some aspects of this would be under my control, I think, although I haven't pursued it far enough to know for sure.  I do know that if I want to stop it after a while, I can do that, so if it doesn't work out or isn't worth the annoyance, I can always go back to being non-monetized. 

Before I take this step, I am checking with you, my readers, as to your thoughts and opinions on the question of whether I should try monetizing this blog.  I am under no illusions that I am addressing a vast multitude.  The last time I checked, there were a few dozen people who follow this blog regularly, and more who find it via search engines and so on for one-time views on certain topics.  But whether you've been following it for years or just came across it today, I am grateful for your attention, which is so valuable in this media-overload era, and do not wish to do anything that would turn off or disappoint numbers of you. 

So I am asking for your input.  I promise not to do anything about monetizing at least through the end of June.  In turn, if you have any opinion about this—favorable or unfavorable—please let me know in the next week or so.  If you wish to make your thoughts public, use the comment space below this blog (rather unfortunately labeled "NO COMMENTS" until somebody clicks on it and makes the first one—maybe I can fix that too, and I'd get more comments).  Or if you'd prefer to send me a private response, you can email me at kdstephan@txstate.edu.  While this blog is not a democracy and I don't promise to do whatever the majority says, I will certainly take every response into consideration in deciding whether or not to proceed with this experiment.  And if the response is primarily negative, it's unlikely I will try it.  I don't need money that badly, and if monetizing would turn off a lot of readers, it's a bad idea.

If I do proceed with it, I will do my best to preserve the objectivity which I hope has been a characteristic of this blog so far.  I came across a useful philosophical distinction the other day between two types of objectivity:  psychologicaland rational objectivity.  Psychological objectivity is the state of being neutral on a topic, of having no strong opinion one way or another.  Typically, we can be psychologically objective only about things we know little about, or haven't thought about deeply.  On the other hand, rational objectivity is the ability to distinguish between good and bad arguments on a topic, and to believe a thing for reasons that are genuinely good ones.  Rational objectivity has been my goal in this blog from the start, and I plan to keep it that way even if I receive some money from advertisements that I may not be psychologically objective about.  For that matter, I'm not psychologically objective about engineering ethics itself:  I care deeply about it, and I'm biased in favor of it.  But that doesn't prevent me, I hope, from being rationally objective about it and judging various arguments on their logical and evidential merits, rather than just going with my feelings about a question.

If you respond, I'm not asking you to be psychologically objective.  Rationally objective would be nice, but I won't insist on that either.  Unless it makes no difference to you, consider letting me know your opinion on monetizing this blog by June 30.  After that I'll summarize the responses and announce the next step:  to monetize or not to monetize?

Sources:  In a discussion of American character in Generally Speaking(London:  Methuen, 1928, p. 63), G. K. Chesterton said that Americans favored action over contemplation and excelled in the application of physical science to practical commerce.  The distinction between psychological and rational objectivity is made in J. P. Moreland and W. L. Craig, Philosophical Foundations for a Christian Worldview (Downer's Grove, Ill.:  InterVarsity Press, 2003), p. 150.  The IEEE Code of Ethics can be found at http://www.ieee.org/about/corporate/governance/p7-8.html.

Omnivision Business Update

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Omnivision's investor presentation from June 12, 2014 has updated slides on the company history and achievements:

12:55 PM

PDMS PIPING DESIGNER JOB - INDONESIA

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PDMS PIPING DESINER JOB IN INDONESIA Job Description We have an immediate position as a PIPING DESIGNER (PDMS) Requirements: • Recognized certificate, degree or diploma related to piping engineering design • Minimum 10 years or more working experience in design of piping in Oil & Gas, Petrochemical and related industries. • Preferably with 3D design tool (PDMS) knowledge • A

Curved CCDs from Andanta

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As Sony presents its curved CMOS sensors, one has to mention that Olching, Germany-based Andanta has first shown its commercially available curved CCDs in 2012. The 2013-dated document presents cylindrically curved FSI devices as standard products, while the spherical ones are available on request:


The company says: "The curvature of the image sensor can be designed as a one-dimensional cylindrical curvature or as a two-dimensional spherical curvature (convex or concave). As part of a customized project, scientific front illuminated 4k x 4k (16 Mpixels) - image sensors with convex and concave surfaces have already been realized. The applied vacuum technology (also usable on back side illuminated CCDs) has not created any measurable increase in detector noise or the number of cosmetic defects compared to the conventional flat image sensor with identical electro-optical properties. Cyclic mechanical stress testing has shown good results as well."
12:56 PM

Smart Doors - New Market for 3D Cameras

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IEEE Spectrum shows what might develop into a mass market for 3D cameras - smart sliding doors, presented by University of Electro-Communications, and Hokuyo Automatic Co. at 2014 IEEE International Conference on Robotics and Automation (ICRA) in Hong Kong. A Youtube video explains the idea:

12:12 AM

Sony Curved Image Sensor Presentation

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IEEE Spectrum reports from VLSI Technology Symposium in in Honolulu, Hawaii on Sony curved image sensor presented by Kazuichiro Itonaga, device manager with Sony's R&D Platform in Atsugi-shi, Japan:

"Itonaga gave few details on the process the team used create the curved CMOS chips. He said that a machine was used to bend the CMOS sensors and that they were backed with a ceramic to stabilize them after bending. It was also unclear how much the chips were curved, although Itonaga said that they did achieve the same level of curvature found in the human eye.

Two chips were reported. One, which measured some 43 millimeters along the diagonal, is a full-size chip for digital cameras. The other is a smaller chip, more suitable for mobile phones, which measured 11 mm along the diagonal and boasts smaller pixels. The team integrated the curved image sensor with a lensing system and showed an image that seemed to be quite good, although it wasn't displayed alongside an image taken with an equivalent flat sensor for comparison.
"

"The team has made somewhere in the vicinity of 100 full-size sensors with their bending machine. "We are ready," Itonaga said."

Sony curved sensor
1:05 PM

ON Semi's Presentation on Aptina Acquisition

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ON Semiconductor publishes a transcript its conference call script and investor presentation on the Aptina acquisition:


There is a clarification message I got from Aptina: "Many are wondering about mobile. Consumer & Mobile are a key businesses for us and in the top 5 businesses for ON. We are committed to this business as long as it generates returns (which it is)."
11:06 AM

High Performance Silicon Imaging Book

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Woodhead Publishing release a new book "High Performance Silicon Imaging" written by a number of world's experts in image sensor design and applications, and edited by Daniel Durini (Fraunhofer Institute, Germany). Here is the list of topics:
  • Fundamental principles of photosensing
    D. Durini and D. Arutinov (Fraunhofer Institute, Germany)
  • Operational principles of silicon image sensors
    D. Durini and D. Arutinov (Fraunhofer Institute, Germany)
  • Charge coupled device (CCD) image sensors
    M. Lesser (University of Arizona)
  • Backside illuminated (BSI) complementary metal-oxide-semiconductor (CMOS) image sensors
    A. Lahav, A. Fenigstein and A. Strum (TowerJazz)
  • Circuits for high performance complementary metal-oxide-semiconductor (CMOS) image sensors
    B. Choubey (University of Oxford, UK), W. Mughal and L. Gouveia ( University of Glasgow, UK)
  • Smart cameras on a chip: using complementary metal-oxide-semiconductor (CMOS) image sensors to create smart vision chips
    D. Ginhac (Université de Bourgogne, France)
  • Complementary metal-oxide-semiconductor (CMOS) image sensors for mobile devices
    R. J. Gove (Aptina)
  • Complementary metal-oxide-semiconductor (CMOS) image sensors for automotive applications
    C. De Locht and H. van den Broeck (Melexis, Belgium)
  • Complementary metal-oxide-semiconductor (CMOS) image sensors for use in space
    J. Bogaerts (CMOSIS, Belgium)
  • Complementary metal-oxide-semiconductor (CMOS) sensors for high-performance scientific imaging
    R. Turchetta (Rutherford Appleton Laboratory)
  • Complementary metal-oxide-semiconductor (CMOS) sensors for fluorescence lifetime imaging (FLIM)
    R. K. Henderson (University of Edinburgh, UK), B. R. Rae (ST, UK) and D.-U. Li (University of Strathclyde, UK)
  • Complementary metal-oxide-semiconductor (CMOS) X-ray sensors
    A. Strum and A. Fenigstein (TowerJazz)
  • Complementary metal-oxide-semiconductor (CMOS) and charge coupled device (CCD) image sensors in high-definition TV imaging
    P. Centen (Grass Valley Nederland)
  • High-performance silicon imagers and their applications in astrophysics, medicine and other fields
    S. Nikzad (JPL, CA)
11:27 AM

On Semi to Acquire Aptina for $400M

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Business Wire: ON Semiconductor signes a definitive agreement to acquire Aptina Imaging. The high-performance CMOS image sensors for automotive and industrial markets are said to be the key areas of strategic focus for ON Semi. According to TSR, the worldwide demand for image sensors for automotive and industrial applications is expected to grow at annual compound rate of 16% between 2013 and 2016.

ON Semi will pay approximately $400M in cash to acquire Aptina Imaging, subject to customary adjustments at closing. The acquisition will be funded by available cash on ON Semi’s balance sheet and its existing revolver credit facility.

"The pending acquisition of Aptina enables us to accelerate our growth in the attractive automotive and industrial end-markets by leveraging Aptina’s highly differentiated imaging technologies in conjunction with our wide sales reach and strong operational capabilities," said Keith Jackson, president and CEO of ON Semiconductor. "The addition of Aptina vastly expands our scale and capabilities in image sensors and establishes us as a leader in image sensors for industrial and automotive related applications. I am excited about the possibilities that this transaction presents for both companies."

Based on unaudited results, Aptina’s revenue for last twelve months ending on May 29, 2014, was approximately $532 million with gross and operating margins of approximately 29% and 3%, respectively. ON Semiconductor currently intends to report operational results for Aptina and other image and optical sensor businesses in a separate reporting segment. The transaction has been approved by ON Semi’s and Aptina’s boards of directors and is expected to close during Q3 2014.

Update: Seeking Alpha publishes analyst's comments on the deal.

Update #2: EETimes publishes an article on ON acquisitions history and analyst responses to Aptina purchase. The article quotes Yole table of market shares in 2012, where the top 3 vendors control 58% of the $6.9B market:

Market shares in 2012,
according to Yole Developpement
9:28 PM

Piping Designer- Singapore JadeClover

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Piping Designer- Singapore JadeClover DESCRIPTION The successful applicant will have the following responsibilities: Engage in piping drawings Ensure engineering drawings are inline with requirements and standards. Able to work in a shipyard environment REQUIREMENTS Approximately 5 years of piping design experience covering equipment and piping layout development for offshore

Ziptronix and EVG Achieve Sub-Micron Stacked Wafers Alignment

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EETimes: Ziptronix and EV Group (EVG) announce they have achieved submicron post-bond alignment accuracy on customer-provided 300mm DRAM wafers using Ziptronix's DBI Hybrid Bonding technology on an EVG Gemini FB production fusion bonder and SmartViewNT bond aligner. This approach can be used to manufacture fine-pitch 3D ICs for a variety of applications including advanced stacked image sensors.

Ziptronix Direct Bond Interconnect (DBI) Hybrid Bonding is a conductor/dielectric bonding technology that includes a variety of metal/oxide and/or nitride combinations, does not use adhesives and allows for strong, room temperature dielectric bonding, low temperature conductive bonding and finer-pitch interconnect over Cu/Cu or other metal bonding because the bond occurs between both the dielectric and the conductive surfaces, which effectively bonds the entire substrate interface area. DBI Hybrid Bonding can be used at the die or wafer level; however, wafer-level bonding enables a great cost benefit by bonding all the dice at once.

11:36 AM

Truesense Acquisition Story

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Rochester Business Journal publishes a story on Truesense acquisition by ON Semi. Few quotes:

"Eight prospective buyers emerged to purchase Truesense, touring the company’s facilities and evaluating its online data box, said Christopher McNiffe, previous CEO of Truesense Imaging and current vice president of the image sensor business unit of ON Semiconductor... Roughly 300 people now report to McNiffe, including 50 people who work near Brussels, Belgium, a dozen in Bangalore, India, and 10 in Santa Clara, Calif."

"Under ON Semiconductor’s watch, Truesense Imaging is expected to grow, officials say."

"I see the real power of this acquisition being we have the best of both worlds," McNiffe said. "So now we can go in to a customer and we can say: ‘Here’s a broad portfolio of high-performance image sensors. Which one of these is the best fit for what you’re trying to do?’ That’s something that no one else in our industry is able to do right now."
10:55 AM

Piping Designer – PSN Wood Group - Kazakhstan

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Job Title: Piping Designer Location: Atyrau, Kazakhstan Description:       We are currently recruiting for a Piping Designer on a permanent basis located at our PSN KazStroy office in Atyrau.  During his/her work, the Piping Designer: Develops engineering deliverables like equipment layout / piping GAs / Isometrics within company and industry standards and codes, from specifications
9:40 AM

Piping Designer AUTOPLANT – Technip Doha, Qatar

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Piping Designer AUTOPLANT Job posting reference: 14502 Region: Qatar Location: Doha Contract type Permanent Start date: Immediate Job description   Provide technical and project execution services Conceptual, Basic and detailed engineering of offshore Piping Piping design and engineering of Brown Field offshore Project Reporting lines and

"The Switch From Hell": GM's Barra and the Ignition-Switch Debacle

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Back in April, GM CEO Mary Barra testified to Congress about a massive recall involving GM's Cobalts, many of which carried a defective ignition switch that could be accidentally turned off by a driver's heavy keyring.  This defect has led to numerous fatal crashes and lawsuits.  In a public address to GM employees worldwide on June 5, Barra released a 315-page report detailing the results of an internal investigation into the switch problem, and used some of the harshest language in memory by a CEO of a major corporation about the performance of his or her own employees.  Thanks to the release of this report, we now know more about exactly how such a serious defect was allowed in thousands of cars produced in the mid-2000s, and also why it was so dangerous.

The report gives fascinating insight into how a large, bureaucratic operation such as GM goes about developing such a complicated thing as a modern automobile.  One way is specialization.  Engineer Ray DeGiorgio, for example, joined the firm around 1991 and became an ignition-switch specialist.  When a new design was called for around 2000, he eventually became the Design Release Engineer on the project that would make a new design of switch for product lines that eventually became known as Saturn's Ion and Cobalt. 
           
The switch's early development did not go smoothly.  Electrical problems plagued both the prototypes that were lab tested and units that made it into test vehicles.  As the deadline for releasing the switch to production approached, DeGiorgio came under pressure to make decisions about whether to address a low-torque issue in a design that had already manifested numerous other problems.  Because the thing was finally working, mostly, when the switch's supplier, Delphi, asked if they should try fixing the torque issue, DeGiorgio replied "maintain present course."  He feared that increasing the torque to meet specifications in all cases would cause further electrical problems, and manifested his frustration by signing the email "Ray (tired of the switch from hell) DeGiorgio." 

People tend to be able to deal with only one thing at a time effectively.  While DeGiorgio knew that a low-torque switch could cause problems such as stalling while in motion, having a car stall while running once in a while didn't seem as serious as not being able to start the car at all, which was the result of some of the electrical problems.  It is not clear that DeGiorgio realized what few other engineers at GM realized either:  that when the switch accidentally slipped from Run to Accessory while the car was in motion due to the low-torque problem, this movement would also disable the airbag and the ABS (anti-lock braking) systems.  Therefore, not only would a driver suddenly find that he or she had lost power and most of the steering (power steering dies when the engine dies)—the protection from collisions provided by ABS and airbags also disappeared.  As subsequent accidents proved, the failure of these safety features was a contributing cause to several of the fatalities that have been ascribed to the ignition-switch problem.

DeGiorgio was not acting maliciously.  He was simply trying to do a difficult job in a timely manner.  As far as we know, he didn't falsify any records.  He was even responsible for fixing the switch-torque problem in 2006, but he did it in a way that violated established GM policy:  he made a silent supplier-specification change that did not change the part number or notify the rest of the organization that the new switch was significantly different.  As a result, GM and outside investigators spent several years tracking down the mysterious ignition-switch failures, and trying to figure out why they disappeared in models built after the hidden 2006 change.

The theologian and philosopher St. Augustine was among the first to point out that evil is not so much a positive substantial thing in itself, as it is the absence or privation of something good.  DeGiorgio's actions and inactions in the GM ignition-switch saga are an example of this.  Faced with a laundry list of problems, both electrical and mechanical, he decided in 2002 to let the apparently minor torque issue slide, rather than delay the process further by trying to fix it at the risk of upsetting the delicately balanced design further.  And he simply didn't know, or didn't think about, the fact that in the particular vehicles that used the switch, a "moving stall" (as engineers referred to it) could be very dangerous because it disabled the ABS and airbag systems, both of which might be especially needed in negotiating a safe escape from a sudden and surprising loss of power.  And when he did a good thing—issuing the 2006 change that fixed the switch—he also, out of either fear or reluctance, failed to issue notifications that would point to the existence of the problem in the first place.  Again, it was not so much a positive action on his part that was faulty, but inaction, and inaction possibly motivated by fear.

We have not been told whether DeGiorgio was one of the fifteen people fired as a result of the investigation.  Perhaps he made the corporate version of a plea bargain, agreeing to talk in exchange for his job.  Whatever his personal fate, his actions have entered the ranks of engineering ethics cases, and will probably stay there for years to come.  CEO Barra has done a great service to the discipline of engineering by being as forthright and direct as she has been during the course of this issue.  I cannot recall any male CEO who faced a similar problem without blustering, obfuscating, or generally following the advice of lawyers to admit as little as possible.  Listening to Barra, one might almost think that she has told her lawyers to go where the switch came from, and not bother her while she says what she wants to say. 

CEOs can say anything they want, but making significant changes in an organization of 220,000 people is a hard task.  Nevertheless, in airing so much dirty laundry, Barra has made a good start toward fixing the systemic managerial and organizational problems that allowed the defective ignition switches to go unnoticed for so long.  She has also presented a good example for other CEOs of major corporations to follow in 'fessing up to ethical lapses.

Sources:  Mary Barra's "global town hall" meeting remarks were reported in USA Today on June 5 at http://www.usatoday.com/story/money/cars/2014/06/05/gm-ceo-mary-barra-speech-switch-recall-report/10012715/.  I referred to the (redacted for privacy of private individuals) "Report to Board of Directors of General Motors Company Regarding Ignition Switch Recalls" dated May 29, 2014, which is currently available from a news item on the main page of the National Highway and Transportation Safety Board website (www.nhtsa.gov).  I also referred to the Wikipedia article on the Ford Pinto.  I blogged on Barra's testimony to Congress in this space on April 7, 2014.

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