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Talbot-lau x-ray source and interferometric system

  • US 10,656,105 B2
  • Filed: 07/29/2019
  • Issued: 05/19/2020
  • Est. Priority Date: 08/06/2018
  • Status: Active Grant
First Claim
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1. An x-ray source comprising:

  • a target comprising;

    a substrate comprising a thermally conductive first material and a first surface; and

    a plurality of structures on or embedded in at least a portion of the first surface, the structures separate from one another and in thermal communication with the substrate, the structures comprising at least one second material different from the first material, the at least one second material configured to generate x-rays upon irradiation by electrons having energies in an energy range of 0.5 keV to 160 keV; and

    an electron source configured to generate the electrons and to direct the electrons to impinge the target and irradiate at least some of the structures along a direction that is at a non-zero angle relative to a surface normal of the portion of the first surface, the angle and a kinetic energy of the electrons configured such that at least some of the electrons have an electron penetration depth within the target sufficient to penetrate the first surface and irradiate at least two of the structures.

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