Atmosphere-to-vacuum ion transport system

The utility model provides an atmosphere-to-vacuum ion transmission system, comprising: (I) an ion migration tube extending between an atmospheric pressure ionization chamber and a partially evacuated chamber; and (II) an ion funnel within the chamber, the ion funnel comprising: (1) an outlet electrode having an outlet aperture, the outlet electrode configured for delivering gas and charged particles to the high vacuum chamber; and (2) a funnel portion comprising a plurality of plate electrodes configured to be stacked, each electrode comprising a respective aperture, where each of the plurality of electrodes has an aperture greater than or equal to three times the inter-electrode spacing, and where no DC potential gradient is applied between the outlet electrode and an adjacent one of the plurality of plate electrodes. 本实用新型提供一种大气至真空离子传输系统，其包含：(I)在大气压电离室和部分抽空的室之间延伸的离子迁移管；以及(II)所述室内的离子漏斗，所述离子漏斗包含：(1)具有出口孔的出口电极，所述出口电极被配置成用于将气体和带电粒子递送到高真空室；以及(2)包含被配置成堆叠的多个板电极的漏斗部分，每个电极包含相应的孔，其中所述多个电极中的每一个的孔径大于或等于电极间间距的三倍，并且其中在所