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INTERFERENCE FILTER, OPTICAL FILTER DEVICE, OPTICAL MODULE, AND ELECTRONIC APPARATUS

  • US 20180172886A1
  • Filed: 01/30/2018
  • Published: 06/21/2018
  • Est. Priority Date: 03/18/2013
  • Status: Active Grant
First Claim
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1. An interference filter comprising:

  • a first substrate;

    a second substrate that is opposing to the first substrate;

    a first reflector that is disposed between the first substrate and the second substrate;

    a second reflector that is disposed between the first reflector and the second substrate;

    a first light absorbing layer that is disposed between the first substrate and the second substrate;

    a first metal layer that overlaps the first light absorbing layer, the first light absorbing layer being disposed between the first substrate and the first metal layer; and

    a second metal layer that is disposed between the first metal layer and the second substrate,the first light absorbing layer being disposed so as to contact the first metal layer.

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