CMOS Sensor with 2-Layer Transistor Pixel
Image: Sony Semiconductor Solutions Corporation

Sony Semicon has developed a stacked CMOS image sensor technology with 2-Layer Transistor Pixel. Whereas conventional CMOS image sensors’ photodiodes and pixel transistors occupy the same substrate, Sony’s new technology separates photodiodes and pixel transistors on different substrate layers. This new architecture approximately doubles saturation signal level relative to conventional image sensors, widens dynamic range and reduces noise. The new technology’s pixel structure will enable pixels to maintain or improve their existing properties at not only current but also smaller pixel sizes.

Sony Semiconductor Solutions Corporation
https://www.sony-semicon.co.jp/e/news/2021/2021121601.html

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