Omnivision R&D Works on Unusual Pixels

Image Sensors World        Go to the original article...

Omnivision's patent application US20160099371 "Back side illuminated image sensor with guard ring region reflecting structure" by Eric Webster proposes just that - the reflective metal guard ring around SPAD pixel:

Another Omnivision's application US20160027837 "Visible and Infrared Image Sensor" by Eric Webster, Howard Rhodes, and Dominic Massetti proposes Si-Ge photosensitive layer to extend IR response:

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