发明名称 |
STABILIZATION OF A MAGNETIC SECTION OF A MASS SPECTROMETER |
摘要 |
An analytical instrument, such as a mass spectrometer, the instrument having a magnetic section with a controllable electromagnetic field. Controlling the electromagnetic field is accomplished by controlling a temperature of a base plate within the magnetic section, by controlling a current passing through an electromagnetic coil disposed within the magnetic, by disposing a magnetic shunt across a portion of a yoke of the magnet, or by any of the above either independently or in combination. The magnetic shunt is configured to have a temperature coefficient of remnant flux density that is opposite the temperature coefficient of remnant flux density of a first pair of permanent magnets located within the magnetic section.
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申请公布号 |
WO2005098900(B1) |
申请公布日期 |
2007.01.04 |
申请号 |
WO2005US11006 |
申请日期 |
2005.03.31 |
申请人 |
OI CORPORATION;VASSILIOU, EUSTATHIOS;KIBELKA, GOTTFRIED, P.G. |
发明人 |
VASSILIOU, EUSTATHIOS;KIBELKA, GOTTFRIED, P.G. |
分类号 |
H01J49/30;B01D59/44;H01J49/32 |
主分类号 |
H01J49/30 |
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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