Pneumoelectric coupling ion focusing device
A technology of ion focusing and gas-electricity, which is applied in the direction of electron/ion optical devices, parts of particle separator tubes, etc.
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[0029] Embodiments of the present invention will be described in detail below in conjunction with technical solutions and accompanying drawings.
[0030] figure 1 It is a structural schematic diagram, depicting the focusing device 200 , the electrospray source 100 and the ion detection device 300 . The electrospray ionization source 100 is composed of a capillary nozzle 101 connected with a conductive interface 102 . The conductive interface 102 is connected to a capillary 103, wherein 103 is connected to a spray needle. The injection needle injects liquid into the capillary injection needle 101 at a certain flow rate through the control of the liquid injection pump 104 . The high voltage required for ionization comes from the high voltage power supply 105 and is loaded on the conductive interface 102 . In order to guide the ion cloud generated by the electrospray needle 101 into the focusing device 200 , the needle should be placed or partially placed at the inlet portion ...
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