Saturday, March 22, 2014
Hamamatsu Proposes ToF Sensor with Potential Adjusting Nodes
Hamamatsu patent application US20140071429 "Range sensor and range image sensor" by Mitsuhito Mase and Takashi Suzuki proposes to use circular transfer gates 5 and potential adjusting gates 6 to maximize a fill factor of ToF sensor. Basically, the whole area outside of transfer gate 5 generates photoelectrons:
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