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Method for separating single mass or mass in narrow range, and/or increasing sensitivity of ion trapping type mass analyzer

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专利汇可以提供Method for separating single mass or mass in narrow range, and/or increasing sensitivity of ion trapping type mass analyzer专利检索,专利查询,专利分析的服务。并且PURPOSE: To operate a three-dimensional ion trap at high sensitivity, by ionizing and releasing a sample in an RF electric field, and adding a pulse D.C. electric field to trap a selected mass ion.
CONSTITUTION: An ionized electron beam from a filament 17 ionizes a sample atom introduced into an ion accumulated region 16 by an FR electric field. An RF voltage generator 14 and a D.C. power source 15 supply RE voltage and D.C. voltage between end caps 12 and 13 of three-dimensional ion trap 10 and a ring electrode 11, to generate a quadrupole electric field in order to trap an ion within the ion accumulating part 16; and an unstable ion in the ion trap electric field is insident into an electron doubling tube 24. The ion signal 26 is converted into voltage by an electric meter 27, to send a control signal to the RF voltage generator 14 and a filament lens controller 32 via a scanning/collecting processor 29 through an A/D convertor 28.
COPYRIGHT: (C)1989,JPO,下面是Method for separating single mass or mass in narrow range, and/or increasing sensitivity of ion trapping type mass analyzer专利的具体信息内容。

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