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US11079270B2 Optical sensor and apparatus comprising an optical sensor having a photodetector and a semiconductor guard ring are dimensioned so that a fill factor of each pixel is less than or equal to 50% 有权

Optical sensor and apparatus comprising an optical sensor having a photodetector and a semiconductor guard ring are dimensioned so that a fill factor of each pixel is less than or equal to 50%
Abstract:
An optical sensor includes pixels. Each pixel has a photodetector and a semiconductor guard ring around the photodetector. The photodetector and the semiconductor guard ring are dimensioned so that a fill factor of the pixel is less than or equal to 50%.
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