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    • 76. 发明公开
    • Plasma igniter for an inductively coupled plasma ion source
    • 用于电感耦合等离子体离子源的等离子体点火器
    • EP2362410A2
    • 2011-08-31
    • EP11154434.2
    • 2011-02-15
    • FEI COMPANY
    • Graupera, AnthonyKellogg, SeanMiller, TomLaur, DustinZhang, Shouyin
    • H01J37/08H01J37/24
    • H01J37/08H01J37/24H01J2237/0815H01J2237/31749H05H1/36
    • A focused ion beam (FIB) system (900) is disclosed, comprising an inductively coupled plasma ion source, an insulating plasma chamber (954) containing the plasma, a conducting source biasing electrode (906) in contact with the plasma and biased to a high voltage to control the ion beam energy at a sample, and a plurality of apertures (914,956,in 906). The plasma within the plasma chamber serves as a virtual source for an ion column comprising one or more lenses (912,942) which form a focused ion beam on the surface of a sample (940) to be imaged and/or FIB-processed. The plasma is initiated by a plasma igniter (950) mounted near or at the column which induces a high voltage oscillatory pulse on the source biasing electrode. By mounting the plasma igniter near the column, capacitive effects of the cable connecting the source biasing electrode to the biasing power supply are minimized. Ion beam sputtering of the apertures is minimized by proper aperture materials selection.
    • 公开了一种聚焦离子束(FIB)系统(900),其包括感应耦合等离子体离子源,包含等离子体的绝缘等离子体室(954),与等离子体接触并且偏向于等离子体的导电源偏置电极(906) 用于控制样品处的离子束能量的高电压以及多个孔(906中的914,956)。 等离子体腔室内的等离子体用作包括一个或多个透镜(912,942)的离子柱的虚拟源,该透镜在要成像和/或FIB处理的样品(940)的表面上形成聚焦离子束。 等离子体由等离子体点火器(950)启动,等离子体点火器(950)安装在柱附近或柱上,其在源偏置电极上引起高电压振荡脉冲。 通过在柱附近安装等离子体点火器,连接源偏压电极和偏压电源的电缆的电容效应被最小化。 通过适当的孔径材料选择,孔的离子束溅射被最小化。
    • 77. 发明公开
    • Particle beam system
    • Teilchenstrahlsystem
    • EP2360712A2
    • 2011-08-24
    • EP11001143.4
    • 2011-02-11
    • Carl Zeiss NTS GmbH
    • Biberger, JosefPulwey, Ralph
    • H01J37/04H01J37/24
    • H01J37/3174H01J37/045H01J37/24H01J37/26H01J2237/0432H01J2237/2485H01J2237/28H01J2237/317
    • A particle beam system includes a particle beam source for generating a particle beam, a high voltage source, a beam blanker system with deflection plates 56, 57, and a control circuit. The control circuit provides a first current path 67 between the two deflection plates, wherein a switch 70, a node 72 connected to the high voltage source and a switch 76 are arranged in this order in the first current path starting from the deflection plate 56. The control circuit provides a second current path 85 between the deflection plate 56 and the deflection plate 57, wherein in the second current path, starting from the deflection plate 56, a series connection 88 comprising a voltage source 91 a switch 90, a node 86 connected to the high voltage source and a series connection 92 comprising a voltage source 95 and a switch 94 are arranged in this order.
    • 粒子束系统包括用于产生粒子束的粒子束源,高压源,具有偏转板56,57和控制电路的束消除系统。 控制电路在两个偏转板之间提供第一电流通路67,其中开关70,连接到高电压源的节点72和开关76以从偏转板56开始的第一电流路径依次布置。 控制电路在偏转板56和偏转板57之间提供第二电流路径85,其中在偏转板56的第二电流路径中,串联连接88包括电压源91,开关90,节点86 连接到高电压源,并且包括电压源95和开关94的串联连接92按此顺序排列。