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Optoelectronic detector with multiple readout nodes and its use thereof

  • US 20070176079A1
  • Filed: 09/18/2003
  • Published: 08/02/2007
  • Est. Priority Date: 09/18/2003
  • Status: Active Grant
First Claim
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1. An optoelectronic detector comprising:

  • a. a doped photosensitive substrate;

    b. a plurality of doped readout nodes embedded in the doped photosensitive substrate, the photosensitive substrate and the readout nodes being oppositely doped;

    c. a plurality of charge-sensing devices, one charge-sensing device being connected to one readout node;

    d. a dielectric layer on top of the photosensitive substrate;

    e. an electrode on top of the dielectric layer; and

    f. a plurality of electrical contact sites fitted on the electrode, one electrical contact site corresponding to one readout node, wherein the dielectric layer prevents the flow of charges between the electrode and the photosensitive substrate, whereby a voltage gradient applied across a pair of electrical contact sites generates a constant potential gradient across the corresponding pair of readout nodes.

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