X-ray or gamma ray systems or devices – Beam control – Collimator
Reexamination Certificate
2006-04-18
2006-04-18
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Beam control
Collimator
C378S147000
Reexamination Certificate
active
07031434
ABSTRACT:
A method of manufacturing a collimator mandrel having variable attenuation characteristics is presented. The manufacturing process includes the placement of a layer of attenuating material on a core of base material. The layer of attenuating material is relatively thin and varies in thickness circumferentially around the core. The collimator mandrel may be manufactured by placing a cast about a core of non-attenuating material, filling a void between the cast and the core with an attenuating material, allowing the material to cure, and removing the cast from the assembly.
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Ross Steven
Saunders Rowland
Toth Thomas
Della Penna Michael A.
General Electric Company
Glick Edward J.
Horton Carl B.
Kao Chin-Cheng Glen
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