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    • 4. 发明授权
    • Multi beam charged particle device
    • 多光束带电粒子装置
    • US06943349B2
    • 2005-09-13
    • US10258869
    • 2001-04-27
    • Pavel AdamecRalf DegenhardtHans-Peter FeuerbaumHarry MunackDieter Winkler
    • Pavel AdamecRalf DegenhardtHans-Peter FeuerbaumHarry MunackDieter Winkler
    • G01Q30/02H01J37/04H01J37/09H01J37/26G21K1/08G01N23/00H01J3/14H01J37/28
    • H01J37/04H01J37/09H01J37/266
    • The present invention provides an improved column for a charged particle beam device. The column comprises an aperture plate having multiple apertures to produce multiple beams of charged particles and a deflector to influence the beams of charged particles so that each beam appears to come from a different source. Furthermore, an objective lens is used in order to focus the charged-particle beams onto the specimen. Due to the deflector, multiple images of the source are created on the surface of the specimen whereby all the images can be used for parallel data acquisition. Accordingly, the speed of data acquisition is increased. With regard to the focusing properties of the objective lens, the beams of charged particles can basically be treated as independent particle beams which do not negatively affect each other. Accordingly, each beam basically provides the same resolution as the beam of a conventional charged particle beam device.
    • 本发明提供了一种用于带电粒子束装置的改进的柱。 柱包括具有多个孔的孔板,以产生多个带电粒子束和偏转器,以影响带电粒子束,使得每个束似乎来自不同的源。 此外,使用物镜以将带电粒子束聚焦到样本上。 由于偏转器,在样品的表面上产生了源的多个图像,从而所有图像可以用于并行数据采集。 因此,数据采集的速度增加。 关于物镜的聚焦特性,带电粒子束基本上可以被视为不会相互影响的独立的粒子束。 因此,每个光束基本上提供与常规带电粒子束装置的光束相同的分辨率。
    • 5. 发明授权
    • Beam column for charged particle beam device
    • 用于带电粒子束装置的梁柱
    • US06576908B1
    • 2003-06-10
    • US09432543
    • 1999-11-03
    • Dieter WinklerHans-Peter FeuerbaumRalf Degenhardt
    • Dieter WinklerHans-Peter FeuerbaumRalf Degenhardt
    • H01J3730
    • H01J37/301H01J37/1472H01J2237/188H01J2237/25
    • A charged particle beam column with a first vacuum chamber further comprises a particle source for providing a beam of charged particles and a multi aperture unit with at least two beam defining apertures for shaping the beam of charged particles. The particle source and the beam defining apertures are located within the first vacuum chamber. A separation unit for isolating a second vacuum chamber from the first vacuum chamber whereby the separation unit comprises a path aperture for the charged particle beam is arranged between the first and second vacuum chamber. A first deflecting unit directs the beam of charged particles through one of the beam defining apertures and a second deflecting unit directs the beam of charged particles through the path aperture.
    • 具有第一真空室的带电粒子束柱还包括用于提供带电粒子束的粒子源和具有用于成形带电粒子束的至少两个光束限定孔的多孔单元。 颗粒源和光束限定孔位于第一真空室内。 用于将第二真空室与第一真空室隔离的分离单元,由此分离单元包括用于带电粒子束的路径孔,设置在第一和第二真空室之间。 第一偏转单元将带电粒子束引导通过光束限定孔中的一个,并且第二偏转单元将带电粒子束引导通过路径孔。
    • 6. 发明授权
    • Charged particle device
    • 带电粒子装置
    • US06730907B1
    • 2004-05-04
    • US10031001
    • 2002-07-16
    • Hans-Peter FeuerbaumDieter WinklerDror Kella
    • Hans-Peter FeuerbaumDieter WinklerDror Kella
    • H01J37244
    • H01J37/244H01J37/28H01J2237/0535
    • The invention provides a charged particle device (1) comprising: a particle source (2) for providing a charged particle beam (4), and objective lens (10) for directing the particle beam onto a specimen (8), said objective lens (10) having an optical axis (6); a particle mirror (14) located on the optical axis (6) of the objective lens (10), said particle mirror having a front surface, a back surface, a drift region (26) reaching from the back surface to the front surface for letting the charged particle beam pass from the back surface to the front surface, said drift region (26) being positioned away from the optical axis (6), and a deflecting region located on the front surface for deflecting charge particles coming from the specimen towards a detector (16).
    • 本发明提供了一种带电粒子装置(1),包括:用于提供带电粒子束(4)的粒子源(2)和用于将粒子束引导到样本(8)上的物镜(10),所述物镜 10)具有光轴(6); 位于物镜(10)的光轴(6)上的粒子反射镜(14),所述粒子反射镜具有前表面,后表面,从后表面到前表面的漂移区(26) 使带电粒子束从后表面传播到前表面,所述漂移区域(26)远离光轴(6)定位,偏转区域位于前表面上,用于使来自试样的电荷颗粒偏转 检测器(16)。