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    • 1. 发明申请
    • IMPROVED ION SOURCE
    • 改进的离子源
    • WO2011127394A8
    • 2013-04-04
    • PCT/US2011031763
    • 2011-04-08
    • E A FISCHIONE INSTR INCMATESA JOSEPH M JRFISCHIONE PAUL E
    • MATESA JOSEPH M JRFISCHIONE PAUL E
    • H01J37/08
    • H01J37/08H01J27/04H01J37/3056H01J2237/061H01J2237/0815
    • An ion source utilizes independently powered electrodes isolated by a series of insulators. The ion source comprises an anode electrode with a hollow interior, where the anode is disposed between a cathode and an anti-cathode. A magnet imposes a magnetic field in an axial direction through the bore of the anode. The ion source includes a first voltage differential between the anode and cathode for the production of plasma and a second voltage differential between the anode and the anti-cathode for extraction of ions from the plasma, which ion beam is preferably of a narrow diameter at low beam energy. The voltage differential between the anti-cathode and anode is adjusted to control the initial beam divergence of extracted ions. An optional focus electrode with an independent power supply further focuses the ion beam.
    • 离子源利用由一系列绝缘体隔离的独立供电的电极。 离子源包括具有中空内部的阳极电极,其中阳极设置在阴极和反阴极之间。 磁体通过阳极的孔沿轴向施加磁场。 离子源包括在用于产生等离子体的阳极和阴极之间的第一电压差和用于从等离子体提取离子的阳极和反阴极之间的第二电压差,该离子束优选地在低的低直径处 光束能量。 调整反阴极和阳极之间的电压差以控制提取的离子的初始光束发散。 具有独立电源的可选聚焦电极进一步聚焦离子束。
    • 3. 发明申请
    • ELECTRON SOURCES UTILIZING PATTERNED NEGATIVE ELECTRON AFFINITY PHOTOCATHODES
    • 电子源利用图形负电子亲水光刻胶
    • WO99030348A1
    • 1999-06-17
    • PCT/US1998/025820
    • 1998-12-04
    • H01J40/06G03F7/20H01J3/02H01J27/04H01J37/073H01J37/075H01J40/16
    • G03F7/70375H01J3/021H01J27/04H01J37/073H01J37/075H01J40/16H01J2201/3423H01J2237/06333H01J2237/31779
    • An electron source includes a negative electron affinity photocathode (10) on a light-transmissive substrate (12) and a light beam generator (50) for directing a light beam (22) through the substrate (12) at the photocathode (10) for exciting electrons into the conduction band. The photocathode (10) has at least one active area for emission of electrons with dimensions of less than about two micrometers. The electrons source further includes electron optics (32, 66) for forming the electrons into an electron beam (30) and a vacuum enclosure (14, 62) for maintaining the photocathode (10) at high vacuum. The photocathode (10) is patterned to define emission areas. A patterned mask may be located on the emission surface of the active layer, may be buried within the active layer or may be located between the active layer and the substrate (12).
    • 电子源包括在透光基板(12)上的负电子亲和光电阴极(10)和用于在光电阴极(10)处引导光束(22)穿过基板(12)的光束发生器(50),用于 激发电子进入导带。 光电阴极(10)具有用于发射尺寸小于约两微米的电子的至少一个有效面积。 电子源还包括用于将电子形成电子束(30)的电子光学器件(32,66)和用于将光电阴极(10)保持在高真空度的真空外壳(14,62)。 图案化光电阴极(10)以限定发射区域。 图案化掩模可以位于有源层的发射表面上,可以被掩埋在有源层内或者可以位于有源层和衬底(12)之间。
    • 4. 发明申请
    • ION SOURCE FOR GENERATING IONS OF A GAS OR VAPOUR
    • 用于产生气体或蒸气的离子的离子源
    • WO1998013851A1
    • 1998-04-02
    • PCT/HU1996000054
    • 1996-09-27
    • BARNA, ArpádSZIGETHY, Dezso"e;
    • H01J27/06
    • H01J27/04H01J2237/08H01J2237/3114
    • An ion source for generating ions of a gas or vapour, especially for thinning solid state samples, comprising a housing (28), means for introducing (31) said gas or vapour into said housing (28), an anode (3) positioned within said housing (28), said anode (3) having a rotationally symmetrical cavity (21) being open at both sides along the axis (30) of the source, first and second electrooptical mirror means (1, 2; 5, 4) disposed along said axis (30) and defining therebetween a space within which said anode (3) is positioned, said first and second electrooptical mirror means (1, 2; 5, 4) creating an electrostatic field so as to cause electrons to oscillate between them, wherein at least one of said first and second electrooptical mirror means (1, 2; 5, 4) being apertured for exit therethrough of a fraction of ions generated in said space. The ion source further comprises means for generating electrons (12) disposed at one of said sides of said cavity (21) and positioned outside said space, and means for causing said generated electrons to move into said cavity (21).
    • 用于产生气体或蒸汽离子的离子源,特别是用于稀释固体样品的离子源,包括壳体(28),用于将所述气体或蒸汽引入(31)到所述壳体(28)中的装置,阳极(3) 所述壳体(28),所述阳极(3)具有旋转对称的空腔(21),沿着所述源极的轴线(30)在两侧敞开,所述第一和第二电光镜装置(1,2; 5,4) 沿着所述轴线(30)并且在其间限定所述阳极(3)所在的空间,所述第一和第二电光镜装置(1,2; 5,4)产生静电场,以使电子在它们之间振荡 ,其中所述第一和第二电光镜装置(1,2; 5,4)中的至少一个用于在所述空间中产生的一部分离子穿过其中。 离子源还包括用于产生设置在所述空腔(21)的所述侧面之一并且位于所述空间外部的电子(12)的装置,以及用于使所述产生的电子移动到所述空腔(21)中的装置。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR LIFETIME EXTENSION OF COMPACT SURFACE PLASMA SOURCE (CSPS)
    • 紧凑型表面等离子体源(CSPS)的寿命延长的方法和装置
    • WO2013116787A1
    • 2013-08-08
    • PCT/US2013/024516
    • 2013-02-01
    • MUONS, INC.DUDNIKOV, Vadim
    • DUDNIKOV, Vadim
    • H01J27/02H05H1/24
    • H01J27/02H01J27/04
    • In a particular embodiment, a device is disclosed that includes means for providing a negative ion source comprising a compact surface plasma source (CSPS) with a significantly increased average beam current, increased brightness, and an extended operation time. The device also includes means for operating the negative ion source comprising the CSPS with the significantly increased average beam current, increased brightness, and the extended operation time for high current, high brightness negative ion beam production. In another particular embodiment, a method is disclosed that includes steps for providing a negative ion source comprising a compact surface plasma source (CSPS) with a significantly increased average beam current, increased brightness, and an extended operation time. The method also includes steps for operating the negative ion source comprising the CSPS with the significantly increased average beam current, increased brightness, and the extended operation time for high current, high brightness negative ion beam production.
    • 在特定实施例中,公开了一种装置,其包括用于提供负离子源的装置,该负离子源包括具有显着增加的平均束电流,增加的亮度和延长的操作时间的紧凑的表面等离子体源(CSPS)。 该装置还包括用于操作包括CSPS的负离子源的装置,其具有显着增加的平均束电流,增加的亮度以及用于高电流,高亮度负离子束产生的延长的操作时间。 在另一个具体实施方案中,公开了一种方法,其包括用于提供负离子源的步骤,所述负离子源包括具有显着增加的平均束电流,增加的亮度和延长的操作时间的紧凑表面等离子体源(CSPS)。 该方法还包括用于操作包括CSPS的负离子源的步骤,其具有显着增加的平均束电流,增加的亮度和用于高电流,高亮度负离子束产生的延长的操作时间。