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X-ray pixels including double photoconductors and x-ray detectors including the x-ray pixels

  • US 20110241143A1
  • Filed: 09/28/2010
  • Published: 10/06/2011
  • Est. Priority Date: 04/01/2010
  • Status: Active Grant
First Claim
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1. A pixel of an X-ray detector, the pixel comprising:

  • a first photoconductor configured to generate electron-hole pairs in response to X-rays incident on the first photoconductor;

    a first electrical circuit configured to detect at least one electron or hole generated by the first photoconductor and convert the electron or hole into a first electrical signal;

    a second photoconductor on the first photoconductor, the second photoconductor configured to generate electron-hole pairs in response to X-rays transmitted through the first photoconductor; and

    a second electrical circuit configured to detect at least one electron or hole generated by the second photoconductor and convert the electron or hole into a second electrical signal,wherein the X-rays incident on the first photoconductor are of a lower energy band compared to the X-rays incident on the second photoconductor.

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