发明授权
US4740758A Apparatus for generating a magnetic field in a volume having bodies
influencing the field pattern
失效
用于在具有影响场模式的物体的体积中产生磁场的装置
- 专利标题： Apparatus for generating a magnetic field in a volume having bodies influencing the field pattern
- 专利标题（中）： 用于在具有影响场模式的物体的体积中产生磁场的装置
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申请号： US826105申请日： 1986-02-05
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公开(公告)号： US4740758A公开(公告)日： 1988-04-26
- 发明人: Gunter Ries
- 申请人： Gunter Ries
- 申请人地址： DEX Munich
- 专利权人： Siemens Aktiengesellschaft
- 当前专利权人： Siemens Aktiengesellschaft
- 当前专利权人地址： DEX Munich
- 优先权： DEX3505281 19850215
- 主分类号： B01D59/48
- IPC分类号： B01D59/48 ; G21K1/093 ; H01F6/00 ; H01F7/20 ; H05H7/04 ; H01J1/50 ; H01J3/34
摘要：
Apparatus for generating a magnetic field having a spatially predetermined field pattern in a useful volume, where bodies of ferro-magnetic material influencing the field pattern are disposed in the useful volume. To assure a spatially predetermined field pattern in the useful volume with only small field errors, outside and on opposite sides of the useful volume at least one thin plate-shaped body of predetermined geometric extent comprising a material having high permeability is provided, of which the surfaces facing the useful volume are shaped and arranged so that the surfaces lie on a magnetic equipotential surface of the magnetic field to be generated in the useful volume.
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