发明名称 |
Ion trap mass spectrometer |
摘要 |
A mass spectrometer that includes an ion source, an ion trap, and a light detection module. The ion trap has two end-cap electrodes and a ring electrode. The ring electrode is positioned relative to the end-cap electrodes to confine a charged particle from the ion source within a confinement region when an audio frequency voltage having a first amplitude is applied between the ring electrode and the two end-cap electrodes. The charged particle is ejected from the ion trap when the audio frequency voltage increases to a second amplitude. The light detection module includes a light source that illuminates the ejected particle and a light detector that detects light scattered from the ejected particle.
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申请公布号 |
US6777673(B2) |
申请公布日期 |
2004.08.17 |
申请号 |
US20010034459 |
申请日期 |
2001.12.28 |
申请人 |
ACADEMIA SINICA |
发明人 |
CHANG HUAN-CHENG;PENG WEN-PING;CAI YONG;KUO SHAN-JEN |
分类号 |
H01J49/42;(IPC1-7):B01D54/44;H01J49/00 |
主分类号 |
H01J49/42 |
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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