Charged particle beam device
    24.
    发明专利
    Charged particle beam device 审中-公开
    充电颗粒光束装置

    公开(公告)号:JP2007227382A

    公开(公告)日:2007-09-06

    申请号:JP2007041829

    申请日:2007-02-22

    Abstract: PROBLEM TO BE SOLVED: To provide a charged particle beam device with charging and/or contamination of samples reduced.
    SOLUTION: The charged particle beam device comprises particle supply sources 13, 14, 16 for providing charged particle beams 31, optical devices 18, 20, 22, 24, 26, 27 for directing the charged particle beams onto the sample and an ozone unit for reducing the charging and/or contamination of the sample. The ozone unit comprises ozone supply sources 34, 35, 36 and a sample nozzle unit 38 for directing an ozone gas flow to the sample 28. Further, the charged particle beam device comprises the particle supply sources, optical devices, a detector 30 and a gas unit for reducing the charging and/or contamination of the detector. The gas unit comprises gas supply sources 34, 35, 37 and a detector nozzle unit 40 for directing a gas flow to the detector. Furthermore, the method for operating the charged particle beam device is provided.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种带电粒子束装置,减少样品的充电和/或污染。 带电粒子束装置包括用于提供带电粒子束31的粒子供应源13,14,16,用于将带电粒子束引导到样品上的光学装置18,20,22,24,26,27和 臭氧单元,用于减少样品的充电和/或污染。 臭氧单元包括臭氧供应源34,35,36和用于将臭氧气体流引导到样品28的样品喷嘴单元38.此外,带电粒子束装置包括颗粒供应源,光学装置,检测器30和 气体单元,用于减少检测器的充电和/或污染。 气体单元包括气体供给源34,35,37和用于将气流引导到检测器的检测器喷嘴单元40。 此外,提供了用于操作带电粒子束装置的方法。 版权所有(C)2007,JPO&INPIT

    Electron gun arrangement
    29.
    发明专利
    Electron gun arrangement 有权
    电子枪装置

    公开(公告)号:JP2014183046A

    公开(公告)日:2014-09-29

    申请号:JP2014049959

    申请日:2014-03-13

    Inventor: ADAMEC PAVEL

    CPC classification number: H01J37/063 H01J3/027 H01J37/073 H01J2237/022

    Abstract: PROBLEM TO BE SOLVED: To provide an improved electron gun arrangement for generating a primary electron beam for a wafer imaging system.SOLUTION: An electron gun arrangement comprises: a controller (116) configured for switching between a normal operation and a cleaning operation; a field emitter (5) having an emitter tip adapted for providing electrons; an extractor electrode (8) adapted for extracting an electron beam from an emitter tip electrode; a suppressor electrode (9) arranged radially outside the emitter; and an auxiliary emitter electrode (16) arranged radially outside the suppressor electrode and provided as a thermal electron emitter for thermally emitting electrons towards an optical axis. The suppressor electrode is at first and second potentials, relative to the extractor electrode, during the normal operation and the cleaning operation, respectively.

    Abstract translation: 要解决的问题:提供一种用于生成晶片成像系统的一次电子束的改进的电子枪装置。解决方案:一种电子枪装置,包括:被配置为在正常操作和清洁操作之间切换的控制器(116) 具有适于提供电子的发射极尖端的场致发射体(5); 提取器电极(8),适于从发射极尖端电极提取电子束; 位于发射极径向外侧的抑制电极(9); 以及设置在抑制电极的径向外侧的辅助发射电极(16),并被设置为用于向光轴发射电子的热电子发射器。 在正常操作和清洁操作期间,抑制电极相对于提取器电极分别处于第一和第二电位。

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