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X-ray sources

  • US 7,349,525 B2
  • Filed: 04/23/2004
  • Issued: 03/25/2008
  • Est. Priority Date: 04/25/2003
  • Status: Active Grant
First Claim
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1. An anode for an X-ray tube comprising a first part and a second part, wherein the first part and second part, in combination, form more than one aperture, wherein at least one of said apertures comprises an electron aperture through which electrons emitted from an electron source travel subject to substantially no electrical field, a target in a non-parallel relationship to said electron aperture and arranged to produce X-rays when electrons are incident upon said target, and wherein at least one of said apertures comprises an X-ray aperture through which the X-rays from the target pass through and are at least partially collimated by the X-ray aperture.

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