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Radiation imaging system

  • US 10,690,787 B2
  • Filed: 06/28/2019
  • Issued: 06/23/2020
  • Est. Priority Date: 07/16/2018
  • Status: Active Grant
First Claim
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1. A radiation imaging device comprising:

  • an electrical insulation layer having a top surface and a bottom surface;

    a top electrode on the top surface of the electrical insulation layer; and

    a plurality of pixel units electrically coupled to the electrical insulation layer and in direct contact with the bottom surface of the electrical insulation layer,wherein when a bias voltage is applied to the top electrode and a radiation beam is directed at the top electrode, the electrical insulation layer is ionized, generating a charge signal in one or more of the plurality of pixel units, andwherein the electrical insulation layer includes no photoconductive layer.

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