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Scattered-radiation collimator and method for producing a scattered radiation collimator
专利权人:
Claus Pohan
发明人:
Claus Pohan
申请号:
US12941398
公开号:
US08861685B2
申请日:
2010.11.08
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A scattered-radiation collimator is disclosed for radiological radiation with a multiplicity of absorber elements that are arranged one behind the other in a collimation direction and held in a support frame. In at least one embodiment, the support frame includes a holding device for holding the absorber elements on opposite sides across the collimation direction, and at least one strip-like holding element spans the absorber elements in a collimation direction on the radiation entry side and/or the radiation exit side of the scattered-radiation collimator and additionally fixes the absorber elements on the longitudinal edges thereof in a mechanical fashion. In at least one embodiment, the holding elements prevent deformations of long absorber elements caused by centrifugal forces to a large extent. This affords the possibility of implementing scattered-radiation collimators with a large Z-coverage that meet the demand on the absorber elements in respect of dimensional stability and positional accuracy. Moreover, at least one embodiment of the invention relates to a method for producing such a scattered-radiation collimator.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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