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Radiation imager collimator

  • US 6,175,615 B1
  • Filed: 04/12/1999
  • Issued: 01/16/2001
  • Est. Priority Date: 04/12/1999
  • Status: Active Grant
First Claim
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1. A collimation apparatus comprising:

  • a block of radiation-absorbing material having a front face and a rear face, a thickness of a said slab being defined as a distance between said front face and said rear face; and

    a plurality of channels formed within and extending through said slab, each of said plurality of channels having an entrance opening and an exit opening, said plurality of channels being separated by and defined by a plurality of channel walls collectively comprising a web of said radiation absorbing material, said web comprising the portion of said slab material remaining after said plurality of channels are formed in said slab;

    wherein each of said plurality of channels has a central longitudinal axis, and wherein said longitudinal axes of said plurality of channels intersect at a point located at a predetermined distance from said front face of said slab.

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