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A charge-multiplication CMOS image sensor suitable for low-light-level imaging

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10 Author(s)

A highly sensitive CMOS image sensor suitable for low-light-level imaging is developed. A specified multiplication gain is accomplished and controlled using a reciprocal charge-transfer sequence within each pixel. From signal analysis of a 2-dimensional pixel array, it is confirmed that imaging ability in low light levels is increased, and that this image sensor makes previously less-visible objects visually perceptible. Having features from both a charge multiplier and a CMOS image sensor, it offers advantages such as high sensitivity, wide dynamic range, random access, and a global shutter.

Published in:

2009 IEEE International Solid-State Circuits Conference - Digest of Technical Papers

Date of Conference:

8-12 Feb. 2009