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Full field digital tomosynthesis method and apparatus

  • US 7,110,490 B2
  • Filed: 12/10/2002
  • Issued: 09/19/2006
  • Est. Priority Date: 12/10/2002
  • Status: Active Grant
First Claim
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1. A tomosynthesis system for forming a three dimensional image of an object, comprising:

  • an X-ray source configured to irradiate the object with a beam of X-rays from a plurality of positions along a path in a sector;

    an X-ray detector positioned relative to the X-ray source to detect X-rays transmitted through the object; and

    a processor which is configured to generate a three dimensional image of the object based on X-rays detected by the detector;

    wherein;

    the X-ray source irradiates the object with the beam of X-rays such that the focal spot of the beam of X-rays follows a non arc shaped path;

    ora center of the beam of X-rays impinges substantially on the same location on the detector from different X-ray source positions in the sector.

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