Antiscatter grid or collimator

Details Antiscatter grid or collimator Antiscatter grid or collimator

2005-11-22

2005-11-22

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Antiscatter grid

C378S155000

Reexamination Certificate

active

06968041

ABSTRACT:
An antiscatter device, such as a grid or collimator, is for absorption of secondary radiation which is scattered by an object. The antiscatter device includes an absorption structure with a plurality of elements. Two or more elements form a cell-like structure with a beam channel for primary radiation. Further, the elements and thus the cell-like structures are arranged and/or formed such that the absorption structure has a non-regular, aperiodic pattern.

REFERENCES:
patent: 6366643 (2002-04-01), Davis et al.
patent: 6408054 (2002-06-01), Rahn et al.
patent: 2003/0089857 (2003-05-01), Hoheisel et al.
patent: 2003/0235273 (2003-12-01), Spahn
patent: 10241424.6 (2002-09-01), None
patent: 101 51 568 (2003-05-01), None

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