21 May 2014 A 33-mpixel 120-fps CMOS image sensor using 0.11-μm CIS process
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Abstract
We have been researching and developing a CMOS image sensor that has 2.8 μm x 2.8 μm pixel, 33-Mpixel resolution (7680 horizontal pixels x 4320 vertical pixels), 120-fps frame rate, and 12-bit analog-to-digital converter for “8K Super Hi-Vision.” In order to improve its sensitivity, we used a 0.11-μm nanofabricated process and attempted to increase the conversion gain from an electron charge to a voltage in the pixel. The prototyped image sensor shows a sensitivity of 2.4 V/lx•s, which is 1.6 times higher than that of a conventional image sensor. This image sensor also realized the input-referred random noise as low as 2.1 e-rms.
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Toshio Yasue, Toshio Yasue, Tetsuya Hayashida, Tetsuya Hayashida, Jun Yonai, Jun Yonai, Kazuya Kitamura, Kazuya Kitamura, Toshihisa Watabe, Toshihisa Watabe, Hiroshi Ootake, Hiroshi Ootake, Hiroshi Shimamoto, Hiroshi Shimamoto, Tomohiko Kosugi, Tomohiko Kosugi, Takashi Watanabe, Takashi Watanabe, Satoshi Aoyama, Satoshi Aoyama, Shoji Kawahito, Shoji Kawahito, } "A 33-mpixel 120-fps CMOS image sensor using 0.11-μm CIS process", Proc. SPIE 9100, Image Sensing Technologies: Materials, Devices, Systems, and Applications, 910005 (21 May 2014); doi: 10.1117/12.2049145; https://doi.org/10.1117/12.2049145
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