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公开(公告)号:US08916837B2
公开(公告)日:2014-12-23
申请号:US14061847
申请日:2013-10-24
发明人: Laura Dinu-Gürtler , Willem Henk Urbanus , Marco Jan-Jaco Wieland , Stijn Willem Herman Karel Steenbrink
IPC分类号: H01J37/147 , H01J37/10 , G03B27/26 , G21K5/04 , H01J37/317 , H01J37/301 , H01J37/16 , B82Y10/00 , H01J37/09 , H01J37/18 , B82Y40/00
CPC分类号: H01J37/3174 , B82Y10/00 , B82Y40/00 , H01J37/09 , H01J37/16 , H01J37/18 , H01J37/301 , H01J37/3177 , H01J2237/0435 , H01J2237/0453 , H01J2237/188
摘要: A charged particle lithography system for transferring a pattern onto the surface of a target, comprising a source for generating a charged particle beam, a first chamber housing the source, a collimating system for collimating the charged particle beam, a second chamber housing the collimating system, and a first aperture array element for generating a plurality of charged particle subbeams from the collimated charged particle beam.
摘要翻译: 一种用于将图案转印到目标表面上的带电粒子光刻系统,包括用于产生带电粒子束的源,容纳源的第一室,用于准直带电粒子束的准直系统;容纳准直系统的第二室 以及用于从准直带电粒子束产生多个带电粒子子束的第一孔阵列元件。
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公开(公告)号:US10037864B2
公开(公告)日:2018-07-31
申请号:US15594712
申请日:2017-05-15
IPC分类号: G03B27/52 , H01J37/09 , H01J37/30 , H01J37/317 , B82Y10/00 , B82Y40/00 , H01J37/147 , H01J37/302
CPC分类号: H01J37/09 , B82Y10/00 , B82Y40/00 , H01J37/147 , H01J37/3007 , H01J37/302 , H01J37/3174 , H01J37/3177 , H01J2237/002 , H01J2237/026 , H01J2237/0262 , H01J2237/0264 , H01J2237/16 , H01J2237/182 , H01J2237/188
摘要: The invention relates to a charged particle beam generator. The generator may comprise a high voltage shielding arrangement (201) for shielding components outside the shielding arrangement from high voltages within the shielding arrangement, and a vacuum pump (220) located outside the shielding arrangement for regulating a pressure of a space within the shielding arrangement. The generator may comprise a collimator system with a cooling arrangement (405a/407a-407b/405b) comprising cooling channels inside electrodes of the collimator system.
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公开(公告)号:US09905322B2
公开(公告)日:2018-02-27
申请号:US14541233
申请日:2014-11-14
IPC分类号: G21K1/02 , G21K5/04 , H01J37/30 , H01J37/24 , H01J37/317 , H01J37/02 , H01J37/16 , H01J37/065 , H01J37/12
CPC分类号: G21K1/02 , G21K5/04 , H01J37/026 , H01J37/065 , H01J37/12 , H01J37/16 , H01J37/24 , H01J37/3002 , H01J37/3007 , H01J37/3174 , H01J37/3175 , H01J37/3177 , H01J2237/002 , H01J2237/0216 , H01J2237/024 , H01J2237/032 , H01J2237/04 , H01J2237/1215 , H01J2237/16 , H01J2237/1825 , H01J2237/303 , H01J2237/30472
摘要: The invention relates to a collimator electrode stack (70), comprising: —at least three collimator electrodes (71-80) for collimating a charged particle beam along an optical axis (A), wherein each collimator electrode comprises an electrode body with an electrode aperture for allowing passage to the charged particle beam, wherein the electrode bodies are spaced along an axial direction (Z) which is substantially parallel with the optical axis, and wherein the electrode apertures are coaxially aligned along the optical axis; and —a plurality of spacing structures (89) provided between each pair of adjacent collimator electrodes and made of an electrically insulating material, for positioning the collimator electrodes at predetermined distances along the axial direction. Each of the collimator electrodes (71-80) is electrically connected to a separate voltage output (151-160).The invention further relates to a method of operating a charged particle beam generator.
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公开(公告)号:US09165693B2
公开(公告)日:2015-10-20
申请号:US14541236
申请日:2013-11-14
IPC分类号: H01J37/141 , H05H1/28 , G21K1/02 , G21K5/04 , H01J37/30 , H01J37/24 , H01J37/317 , H01J37/02 , H01J37/16 , H01J37/065 , H01J37/12
CPC分类号: G21K1/02 , G21K5/04 , H01J37/026 , H01J37/065 , H01J37/12 , H01J37/16 , H01J37/24 , H01J37/3002 , H01J37/3007 , H01J37/3174 , H01J37/3175 , H01J37/3177 , H01J2237/002 , H01J2237/0216 , H01J2237/024 , H01J2237/032 , H01J2237/04 , H01J2237/1215 , H01J2237/16 , H01J2237/1825 , H01J2237/303 , H01J2237/30472
摘要: The invention relates to a collimator electrode, comprising an electrode body (81) that is provided with a central electrode aperture (82), wherein the electrode body defines an electrode height between two opposite main surfaces, and wherein the electrode body accommodates a cooling conduit (105) inside the electrode body for transferring a cooling liquid (102). The electrode body preferably has a disk shape or an oblate ring shape.The invention further relates to a collimator electrode stack for use in a charged particle beam generator, comprising a first collimator electrode and a second collimator electrode that are each provided with a cooling conduit (105) for transferring the cooling liquid (102), and a connecting conduit (110) for a liquid connection between the cooling conduits of the first and second collimator electrodes.
摘要翻译: 本发明涉及一种准直器电极,包括设置有中心电极孔(82)的电极体(81),其中电极体限定两个相对的主表面之间的电极高度,并且其中电极体容纳冷却导管 (105),用于传送冷却液(102)。 电极体优选具有盘状或扁圆形状。 本发明还涉及一种用于带电粒子束发生器的准直器电极叠层,其包括第一准直器电极和第二准直器电极,每个准直器电极和第二准直器电极都设置有用于传送冷却液体(102)的冷却导管(105) 连接导管(110)用于第一和第二准直仪电极的冷却管道之间的液体连接。
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公开(公告)号:US20150124229A1
公开(公告)日:2015-05-07
申请号:US14400569
申请日:2013-05-14
IPC分类号: H01J37/317
CPC分类号: H01J37/09 , B82Y10/00 , B82Y40/00 , H01J37/147 , H01J37/3007 , H01J37/302 , H01J37/3174 , H01J37/3177 , H01J2237/002 , H01J2237/026 , H01J2237/0262 , H01J2237/0264 , H01J2237/16 , H01J2237/182 , H01J2237/188
摘要: The invention relates to a charged particle lithography system for exposing a target. The system includes a charged particle beam generator for generating a charged particle beam; an aperture array (6) for forming a plurality of beamlets from the charged particle beam; and a beamlet projector (12) for projecting the beamlets onto a surface of the target. The charged particle beam generator includes a charged particle source (3) for generating a diverging charged particle beam; a collimator system (5a,5b,5c,5d; 72;300) for refracting the diverging charged particle beam; and a cooling arrangement (203) for removing heat from the collimator system, the cooling arrangement comprising a body surrounding at least a portion of the collimator system.
摘要翻译: 本发明涉及用于曝光目标物的带电粒子光刻系统。 该系统包括用于产生带电粒子束的带电粒子束发生器; 用于从带电粒子束形成多个子束的孔径阵列(6) 以及用于将子束投影到目标表面上的小射束投影仪(12)。 带电粒子束发生器包括用于产生发散带电粒子束的带电粒子源(3) 用于折射发散带电粒子束的准直器系统(5a,5b,5c,5d; 72; 300) 以及用于从准直器系统去除热的冷却装置(203),所述冷却装置包括围绕准直器系统的至少一部分的主体。
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公开(公告)号:US09653261B2
公开(公告)日:2017-05-16
申请号:US14400569
申请日:2013-05-14
CPC分类号: H01J37/09 , B82Y10/00 , B82Y40/00 , H01J37/147 , H01J37/3007 , H01J37/302 , H01J37/3174 , H01J37/3177 , H01J2237/002 , H01J2237/026 , H01J2237/0262 , H01J2237/0264 , H01J2237/16 , H01J2237/182 , H01J2237/188
摘要: The invention relates to a charged particle lithography system for exposing a target. The system includes a charged particle beam generator for generating a charged particle beam; an aperture array (6) for forming a plurality of beamlets from the charged particle beam; and a beamlet projector (12) for projecting the beamlets onto a surface of the target. The charged particle beam generator includes a charged particle source (3) for generating a diverging charged particle beam; a collimator system (5a,5b,5c,5d; 72;300) for refracting the diverging charged particle beam; and a cooling arrangement (203) for removing heat from the collimator system, the cooling arrangement comprising a body surrounding at least a portion of the collimator system.
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公开(公告)号:US09355751B2
公开(公告)日:2016-05-31
申请号:US14541238
申请日:2014-11-14
IPC分类号: G21K1/02 , G21K5/04 , H01J37/24 , H01J37/30 , H01J37/317 , H01J37/02 , H01J37/16 , H01J37/065 , H01J37/12
CPC分类号: G21K1/02 , G21K5/04 , H01J37/026 , H01J37/065 , H01J37/12 , H01J37/16 , H01J37/24 , H01J37/3002 , H01J37/3007 , H01J37/3174 , H01J37/3175 , H01J37/3177 , H01J2237/002 , H01J2237/0216 , H01J2237/024 , H01J2237/032 , H01J2237/04 , H01J2237/1215 , H01J2237/16 , H01J2237/1825 , H01J2237/303 , H01J2237/30472
摘要: The invention relates to an electrode stack (70) comprising stacked electrodes (71-80) for manipulating a charged particle beam along an optical axis (A). Each electrode comprises an electrode body with an aperture for the charged particle beam. The electrode bodies are mutually spaced and the electrode apertures are coaxially aligned along the optical axis. The electrode stack comprises electrically insulating spacing structures (89) between each pair of adjacent electrodes for positioning the electrodes (71-80) at predetermined mutual distances along the axial direction (Z). A first electrode and a second electrode each comprise an electrode body with one or more support portions (86), wherein each support portion is configured to accommodate at least one spacing structure (89). The electrode stack has at least one clamping member (91-91c) configured to hold the support portions (86) of the first and second electrodes, as well as the intermediate spacing structure (89) together.
摘要翻译: 本发明涉及一种电极堆叠(70),其包括用于沿光轴(A)操纵带电粒子束的堆叠电极(71-80)。 每个电极包括具有用于带电粒子束的孔的电极体。 电极体相互间隔开,并且电极孔沿光轴同轴对准。 电极堆叠包括在每对相邻电极之间的电绝缘间隔结构(89),用于将电极(71-80)沿着轴向方向(Z)定位在预定的相互距离处。 第一电极和第二电极各自包括具有一个或多个支撑部分(86)的电极主体,其中每个支撑部分构造成容纳至少一个间隔结构(89)。 电极堆叠具有至少一个构造成将第一和第二电极的支撑部分(86)以及中间间隔结构(89)保持在一起的夹紧构件(91-91c)。
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