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Canon Patent News - Three-Layer sensor from Canon

Canon new Three-Layer sensor  patent surfaced over the web, the three layer sensor will increase the sensitivity & Overall performance of the camera take a look at the details below,

Description and self-interpretation of the patent literature / Translated by google

  • Patent Publication No. 2013-93553
    • Publication date 2013.5.16
    • Filing date 2011.10.4
  • Imaging element of three-layer structure
    • Photodiode deep layer (hereinafter, PD) in the charge is diffused into the substrate
    • Thus sensitivity is poor red
  • Canon¬†patent of
    • I as a photonic crystal of irregular shape, the boundary surface of the PD of red or green,
    • In the periodic structure of uneven spacing, less than twice the 1/4 times or more the wavelength of light, or I shall be two times or less 1/2 times or more
    • Irregular shape has the properties to be spatially-localized or resonant light
      • The incident light is diffracted, it combines with the light of the boundary plane, the resonant
      • Prolonged exists than normal, the light becomes easy to be absorbed by the PD Thus

Also SeeCanon Sensor Image Quality Trapped in Time | See more Canon Patents

src- egami.blog.so-net.ne.jp/2013-05-22

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