发明申请
- 专利标题： Multiple ring polefaceless permanent magnet and method of making
- 专利标题（中）： 多环无极永磁体及其制造方法
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申请号： US10672658申请日： 2003-09-29
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公开(公告)号： US20050068138A1公开(公告)日： 2005-03-31
- 发明人: Kathleen Amm , Evangelos Laskaris , Paul Thompson , Bulent Aksel , Bruce Amm , Michael Palmo , Johannes van Oort , Xianrui Huang
- 申请人： Kathleen Amm , Evangelos Laskaris , Paul Thompson , Bulent Aksel , Bruce Amm , Michael Palmo , Johannes van Oort , Xianrui Huang
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 主分类号： A61B5/055
- IPC分类号： A61B5/055 ; G01R33/383 ; H01F1/057 ; H01F1/147 ; H01F7/02 ; H01F7/128 ; H01F41/02 ; H01F1/00 ; G01V3/00 ; H01F3/00
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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