Crosslight FDTD Simulator Gets GPU Acceleration

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Crosslight announces that it has released the FDTD simulator taking advantage of Nvidia GPU. The new feature's presentation shows a huge bust in simulation spe...
1:31 PM

Gesture Recognition Middleware News

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One revolution that Leap Motion did is produced a lot of press to the short range gesture recognition for computer control. A few other companies presented their own versions of short range user interface middleware.Here is Lubek, Germany-based Gestigon video:Here is Erlangen, Germany-based Metrilus...
1:18 PM

Etron to Ship Stereo Vision-Based Gesture Recognition Processor

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Digitimes: Taiwan-based DRAM vendor Etron announces that its single-chip 3D stereo gesture recognition image processor, the eSP870, which will be shipped to a China-based TV maker starting July.The eSP870...
1:26 AM

Omnivision Announces Quarter and Annual Earnings

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PR Newswire: OmniVision reports financial results for the fiscal Q4 and fiscal year ended April 30, 2013. Revenues for the Q4 were $336.2M, as compared to $423.5M in the previous quarter, and $218.5M a year ago. GAAP net income in the Q4 was $8.9M, as compared to net income of $21.3M in the previous...
1:41 PM

Singapore University Presents Graphene Image Sensor

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IEEE Spectrum: Assistant Professor Wang Qijie from Singapore’s Nanyang Technological University (NTU) presents a graphene image sensor that is said to be 1,000 times more sensitive to light than current...
1:15 PM

SiOnyx Aims High

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Boston Business Journal has interviewed SiOnyx CEO Stephen Saylor. Few quotes:"In the first quarter of this year SiOnyx began generating its first product revenue — from defense industry customers — and now expects to expand its sales throughout the rest of the year."The technology can also be used...
11:05 AM

Aptina Announces New CEO

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Business Wire: Aptina announces that Phil Carmack has joined Aptina as CEO and as a member of the Board of Directors. Phil Carmack most recently served as the SVP for NVIDIA Mobile Business Unit which he established in 2003. Prior to his 13 years at NVIDIA, Carmack was the EVP of R&D at 3DFX which...
11:15 AM

Infineon Announces Cooperation with PMD, Camboard pico

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Infineon introduces a family of 3D Image Sensor chips for implementation of touchless gesture recognition. Developed in cooperation with PMD, the new chips are the first to combine a 3D image sensing...
10:51 AM

Leti Presents Wavelens Startup

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Leti MEMS Workshop to be held in Barcelona, Spain on June 18, 2013 has a presentation on Wavelens - the recent Leti spin-off working on MEMS-based AF. The idea behind the new startup is shown on Leti...
10:37 AM

Kasalis Builds Array Cameras for Pelican

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Kasalis announces that it has completed fully functional builds of Pelican Imaging’s array cameras using its Pixid volume manufacturing systems.Kasalis provides a 6 degree-of-freedom active alignment...
12:50 PM

PMD Shows Complete Win8 Control Capabilities

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The following Youtube video is said to show the capabilities to control the complete Win8 UI with gestures (click, double click, drag and drop, dedicated gestures for example to control the charm menus, … ). These capabilities are said to be used by PMD customers who aim at re-shaping the user experience...
10:51 AM

BEST OF SUPERCHARGER V6 !

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How Does Supercharger work ????http://www.youtube.com/watch?v=_vaw5zwnhrA25. 1981 DeLorean DMC-12: With only 130 horsepower available from its French-made 2.8-liter, "Douvrin" V6, the Irish-assembled,...

Semiconductor

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Semiconductor is a material which has electrical conductivity between that of a conductor such as copper and an insulator such as glass. Called semi or half-of-conductor because this material (in fact and literally) is not a conductor. You find semiconductors at the heart of microprocessor chips as well as transistors. Anything that's computerized or uses radio waves depends on semiconductors.

We call some material like copper, iron and tin as a good conductor, because these material have special arrangements on their atom. It makes their electron can move freely. Semiconductor material have special electron valence. If we see the insulator element, they have 8 electron valence. Internal electric charges do not flow freely, and which therefore does not conduct an electric current. If we want to release the electron valence, we have to create big and great energy to release the electron. So, we can conclude the semiconductor have more than 1 electron valence and less than 8 electron valence. And, we can conclude the semiconductor material is element which have 4 electron valence.

At semiconductor, the types of use is dependent into it temperature. If the temperature is down (cold), the semiconductor material become insulator. It is because there are none of electron who move. If the temperature is normal, there are electron who released. But the amount of electron released is very small. So it can't be called good conductor. 

We have known there are many semicondutor as a Silicon (Si), Germanium (Ge) and Galium Arsenid (GaAs). Many years ago, we have use the Germanium as the main material to make semiconductor, but now technology have improved, and we can extract Silicon (one of the most material on the Earth) into semiconductor. So that, you may have heard expressions like "Silicon Valley" and the "silicon economy," and that's why -- silicon is the heart of any electronic device.

Semiconductor Manufacturing Process