| 发明名称 |
Multiple ring polefaceless permanent magnet and method of making |
| 摘要 |
A permanent magnet assembly for an imaging apparatus having a permanent magnet body having a first surface and a stepped second surface which is adapted to face an imaging volume of the imaging apparatus, wherein the stepped second surface contains at least four steps.
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| 申请公布号 |
US2005068138(A1) |
申请公布日期 |
2005.03.31 |
| 申请号 |
US20030672658 |
申请日期 |
2003.09.29 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
AMM KATHLEEN MELANIE;LASKARIS EVANGELOS TRIFON;THOMPSON PAUL SHADFORTH;AKSEL BULENT;AMM BRUCE CAMPBELL;PALMO MICHAEL ANTHONY;VAN OORT JOHANNES MARTINUS;HUANG XIANRUI |
| 分类号 |
A61B5/055;G01R33/383;H01F1/057;H01F1/147;H01F7/02;H01F7/128;H01F41/02;(IPC1-7):H01F1/00;G01V3/00;H01F3/00 |
主分类号 |
A61B5/055 |
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