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Toshiba发表手机专用背照式的1460万像素CMOS

[撰文:funnypig]
Toshiba launches 14.6 megapixel CMOS sensor with backside illumination for cellphones

无独有偶,在Sony(Exmor R,就是最新的CyberShot WX1与TX1)与OmniVision(OmniBSI,8百万像素)发布了背部感光的CMOS后,Toshiba也发布新的CMOS,同样采背部感光(Back-side Illumination),像素达到1460万,而且是给手机专用。

背部感光,已经是个研发20几年的技术,目的就是要降低COMS在低光源环境下的噪声,感光组件移到滤光片(Color Filters)与镜头之后,可以放比较多层的感光组件,号称可以让1/2.3英吋大小感光组件对于光的吸收率达到增加40%,比以往而言,平行光的感光度增加两倍,斜射光增加1.7倍。

这款CMOS预计会用在拍照手机与消费型DC之上,预计年底开始量产,明年夏天之前就可看到相关应用产品上市。不过笔者有个疑问,感光组件移到比较后面的话,光线受到的干扰反而会比较多,为何感光率反而提升了呢?不知道有没有哪位高手可以解惑。

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