发明名称 |
High pressure collision cell for mass spectrometer |
摘要 |
A high pressure collision cell for use in a mass spectrometer. The high pressure collision cell has a cell length L selected to be in a range such that upon application of voltages to a pair of opposed elongate electrically conducting electrodes there is produced an electric field of sufficient strength across the collision cell length L in to aid in directing ions entering the collision cell to along a transverse flow axis. The pressure in the collision cell is maintained in a range from about 50 mTorr to 1000 mTorr and wherein the collision cell length L and the pressure are selected such that a target thickness, defined as a product of the collision cell length L and the pressure, is maintained in a range from about 0.2 to about 2 mm-Torr. |
申请公布号 |
US8080785(B2) |
申请公布日期 |
2011.12.20 |
申请号 |
US20080230949 |
申请日期 |
2008.09.08 |
申请人 |
JAVAHERY GHOLAMREZA;COUSINS LISA;JOLLIFFE CHARLES;IONIC MASS SPECTROMETRY GROUP |
发明人 |
JAVAHERY GHOLAMREZA;COUSINS LISA;JOLLIFFE CHARLES |
分类号 |
H01J49/00 |
主分类号 |
H01J49/00 |
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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