发明名称 |
Ion Entry/Exit Device |
摘要 |
A method of introducing and ejecting ions from an ion entry/exit device (4) is disclosed. The ion entry/exit device (4) has at least two arrays of electrodes (20,22). The device is operated in a first mode wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays ((20,22) in a first direction such that a potential barrier moves along the at least one array in the first direction and drives ions into and/or out of the device in the first direction. The device is also operated in a second mode, wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays (20,22) in a second, different direction such that a potential barrier moves along the array in the second direction and drives ions into and/or out of the device in the second direction. The device provides a single, relatively simple device for manipulating ions in multiple directions. For example, the device may be used to load ions into or eject ions from an ion mobility separator in a first direction, and may then be used to cause ions to move through the ion mobility separator in the second direction so as to cause the ions to separate. |
申请公布号 |
US2017125229(A1) |
申请公布日期 |
2017.05.04 |
申请号 |
US201515303433 |
申请日期 |
2015.04.13 |
申请人 |
MICROMASS UK LIMITED |
发明人 |
GILES Kevin;LANGRIDGE David J.;WILDGOOSE Jason Lee |
分类号 |
H01J49/06;G01N27/62;H01J49/00 |
主分类号 |
H01J49/06 |
代理机构 |
|
代理人 |
|
主权项 |
1. A method of introducing and ejecting ions from an ion mobility separation device, said method comprising:
providing an ion entry/exit device having at least two arrays of electrodes; operating the device in a first mode, wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays in a first direction such that a potential barrier moves along the at least one array in the first direction and drives ions into and/or out of the device in the first direction; and operating the device in a second mode, wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays in a second, different direction such that a potential barrier moves along the at least one array in the second direction and drives ions into and/or out of the device in the second direction. |
地址 |
Wilmslow GB |