发明名称 |
X-ray beam limiter |
摘要 |
An x-ray beam limiter includes a compressible disc 18 containing an aperture 20 and a slot 22 extending from the aperture to the outer edge 28 of the disc. The outer edge 28 of the disc 18 is covered with a bearing material and is retained within a groove 36 in a bearing retaining race 32 such that the disc 18 is rotatable within the retaining race 32. A beam limiter 54 is mounted to the disc 18. The disc 18 and beam limiter 54 are rotatable between at least two different positions.
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申请公布号 |
US5574766(A) |
申请公布日期 |
1996.11.12 |
申请号 |
US19950547301 |
申请日期 |
1995.10.24 |
申请人 |
PICKER INTERNATIONAL, INC. |
发明人 |
PANASIK, CHERYL L. |
分类号 |
G21K1/04;(IPC1-7):G21K1/02 |
主分类号 |
G21K1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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