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    • 9. 发明授权
    • Ion cyclotron resonance spectrometer
    • 离子回旋共振光谱仪
    • US4746802A
    • 1988-05-24
    • US924854
    • 1986-10-28
    • Hanspeter Kellerhals
    • Hanspeter Kellerhals
    • G01N24/14G01R33/64H01J49/38B01D59/44
    • G01R33/64H01J49/38
    • An Ion cyclotron resonance spectrometer comprises a first cell (8) which can be evacuated to a normal high vacuum and which is coupled with means (17, 18) for ionizing a sample substance. The first cell (8) is connected with a second cell (11) via a partition wall (15) provided with a small opening (14), which second cell (11) comprises an ion trap (27, 31) located in the homogenous area of the magnet arrangement (1, 2) and adapted for determining ion cyclotron resonances. The second cell (11) can be evacuated to a superhigh vacuum. The first cell (8) comprises an area located outside the magnet arrangement (1, 2) which lies still within the stray field of the magnet arrangement and which may be provided with an additional magnet (35) so that any desired substance can be ionized therein by any suitably adapted equipment. The ions thus produced can be displaced by means of potential grids (22, 23, 24) located within the first chamber (8), which may be caused to form ion traps by applying suitable potentials, towards the end of the first cell (8) located inside the magnet arrangement (1, 2) and transferred substantially completely to the ion trap (27, 31) arranged in the second cell (11).
    • 离子回旋共振光谱仪包括可被排空至正常高真空的第一电池(8),并与用于电离样品物质的装置(17,18)耦合。 第一电池单元(8)经由设置有小开口(14)的隔壁(15)与第二电池单元(11)连接,该第二电池单元(11)包括位于同质的离子阱(27,31) 磁体布置(1,2)的面积,并适于确定离子回旋共振。 可以将第二电池(11)抽真空至超高真空。 第一电池(8)包括位于磁体布置(1,2)外部的区域,该区域仍然位于磁体布置的杂散磁场内,并且可以设置有额外的磁体(35),使得任何所需物质可被电离 通过任何适当调整的设备。 这样产生的离子可以通过位于第一室(8)内的电位栅极(22,23,24)来移动,这可以通过向第一电池(8)的端部施加合适的电势而形成离子阱 ),并且基本上完全转移到布置在第二电池(11)中的离子阱(27,31)。