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Method for influencing a position of a focal spot in an x-ray radiation source of a computed tomography apparatus, and computed tomography apparatus
专利权人:
Carl Zeiss Industrielle Messtechnik GmbH
发明人:
申请号:
GB201913047
公开号:
GB201913047D0
申请日:
2019.09.10
申请国别(地区):
GB
年份:
2019
代理人:
摘要:
A computed tomography apparatus and a method for influencing a position of a focal spot in an x-ray radiation source having a centering device to center an electron beam and a focus are provided. The method includes positioning a reference object into a beam path of x-ray radiation between the x-ray radiation source and an x-ray radiation detector, the x-ray radiation detector having detector elements to generate an x-ray image, capturing an x-ray image of the reference object at different powers, reducing a focal spot displacement occurring at the different powers based on a comparison of the x-ray images captured at the different powers with one another, by setting at least one altered electric current to operate the centering device or the centering devices of the x-ray radiation source, and operating the computed tomography apparatus with the altered electric current, by which the focal spot displacement was reduced.
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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