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Bolometric focal plane array

  • US 6,249,002 B1
  • Filed: 08/24/1998
  • Issued: 06/19/2001
  • Est. Priority Date: 08/30/1996
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising:

  • a semiconductor substrate including an upper level and a lower level;

    a plurality of sensors, fabricated on the upper level, to detect radiation and to output image signals based on the detected radiation; and

    a plurality of switches, fabricated on the lower level, to select at least some of the plurality of sensors, wherein a number of electrical connections connecting the plurality of sensors to the plurality of switches is less than two times a number of sensors.

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