Collimator assembly having multi-piece components

Details Collimator assembly having multi-piece components Collimator assembly having multi-piece components

2005-08-23

2005-08-23

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S149000

Reexamination Certificate

active

06934354

ABSTRACT:
The present invention is directed to a collimator assembly defined by a series of multi-piece collimator elements or plates that extend along at least one dimension of a scintillator pack. Each collimator element has a collimating component and a shielding component that are structurally independent from one another. The collimating components may be connected to the shielding components or separated by a small air gap. The shielding components are wider than the collimating components but the collimating components have a greater height. With this construction, the collimator assembly optimizes collimation and shielding with lower material requirements and reduced overall size.

REFERENCES:
patent: 4180737 (1979-12-01), Kingsley
patent: 4856041 (1989-08-01), Klein et al.
patent: 5033074 (1991-07-01), Cotter et al.
patent: 6091795 (2000-07-01), Schafer et al.
patent: 6553092 (2003-04-01), Mattson et al.

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