Sony annual report for its FY2014, ended on March 31, 2015, states that its image sensor capex will reach 210 billion Yen in FY2015, about 4.8 times higher than in FY2014:
The same data is included in its updated Semiconductor business flyer, dated by April 30, 2015:
The same data is included in its updated Semiconductor business flyer, dated by April 30, 2015: