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    • 9. 发明公开
    • Particle beam system with anti-contamination shield
    • Teilchenstrahlsystem mit Schild gegen Kontaminierung
    • EP2159816A2
    • 2010-03-03
    • EP09252073.3
    • 2009-08-26
    • JEOL Ltd.
    • Koizumi, MitsuruNishiyama, Hidetoshi
    • H01J37/09
    • H01J37/28H01J2237/022H01J2237/0268H01J2237/2004H01J2237/2608
    • A particle beam system is offered which can prevent contamination of the inside of the objective lens (205d) that is a component important for the performance even if a film (50) holding a specimen (10) is damaged, the objective lens (205d) being located at the front end of the optical column (200). If any parts in the column (200) are contaminated, they can be easily removed. The particle beam system has an optical column (200) equipped with a particle beam source (260) for emitting a particle beam (270) and a beam passage pipe (206) through which the beam (270) passes. The system further includes a vacuum chamber (201) connected with the front end portion of the column (200). The beam (270) passed through the pipe (206) is released from the front end of the column (200). A tubular member (700) is detachably disposed inside the beam passage pipe (206) located at the front-end side of the column (200). The beam (270) released from the column (200) is made to impinge on the specimen (10).
    • 提供一种粒子束系统,即使在保持试样(10)的膜(50)被损坏的情况下,物镜(205d)的内部也是对于性能重要的部件的污染,物镜205d, 位于光学柱(200)的前端。 如果色谱柱(200)中的任何部分被污染,就可以很容易地去除。 粒子束系统具有配备有用于发射粒子束(270)的粒子束源(260)和光束(270)通过的束通道管(206)的光学柱(200)。 该系统还包括与柱(200)的前端部连接的真空室(201)。 穿过管道(206)的梁(270)从塔(200)的前端释放。 管状构件(700)可拆卸地设置在位于塔(200)的前端侧的梁通道管(206)的内部。 从柱(200)释放的梁(270)被撞击在试样(10)上。