Quantum efficiency improvements in active pixel sensors

  • US 6,005,619 A
  • Filed: 10/06/1997
  • Issued: 12/21/1999
  • Est. Priority Date: 10/06/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An image sensor, comprising:

  • a plurality of pixel areas, each pixel area including a circuitry area and a photodiode area, said photodiode area including a photodiode element therein, said photodiode element taking less than an entire amount of space left open bv the circuitry area, wherein said photodiode element is located in a position on said substrate which includes a plurality of collection areas in said substrate which are substantially equidistant from said photodiode element,wherein said photodiode is in the shape of a bar extending from an edge of the pixel towards a center of the pixel.

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