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Mass spectrum resolution device for measuring laser ablation ion species with improved time of flight mass spectrometry

机译:用于测量激光烧蚀离子物种的质谱分辨率,具有改进的飞行时间质谱法

摘要

A mass spectrum resolution device for measuring laser ablation ion species with improved time of flight mass spectrometry includes a vacuum system unit, a plasma production unit, and a particle restraint selection and separation unit, wherein the particle restraint selection and separation unit comprises a particle limit selector and a plurality of ion pulse accelerated electrode plates; the particle limit selector comprises a restrainer lifting block, a restrainer and a restrainer selection baffle; a through hole is formed in the restrainer lifting block; a plurality of circular holes with different apertures are formed in the restrainer selection baffle, and the restrainer and the restrainer selection baffle are arranged in the restrainer lifting block and can move; and the ion pulse accelerated electrode plates are arranged in the advance direction of particles and are axially parallel to the restrainer lifting block.
机译:用于测量具有改进的飞行时间质谱法测量激光烧蚀离子物质的质谱分辨率,包括真空系统单元,等离子体生产单元和粒子约束选择和分离单元,其中粒子约束选择和分离单元包括粒子限制 选择器和多个离子脉冲加速电极板; 粒子限制选择器包括抑制器提升块,抑制器和抑制器选择挡板; 在抑制器提升块中形成通孔; 在抑制器选择挡板中形成具有不同孔的多个圆孔,并且抑制器和约束箱选择挡板布置在抑制器提升块中,并且可以移动; 并且离子脉冲促进电极板布置在颗粒的前进方向上,并且与抑制器提升块轴向平行。

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