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公开(公告)号：US20120292527A1
公开(公告)日：2012-11-22
申请号：US13112784
申请日：2011-05-20
IPC分类号： H05H1/46
摘要： A filter is used in a target material supply apparatus and includes a sheet having a first flat surface and a second opposing flat surface, and a plurality of through holes. The first flat surface is in fluid communication with a reservoir that holds a target mixture that includes a target material and non-target particles. The through holes extend from the second flat surface and are fluidly coupled at the second flat surface to an orifice of a nozzle. The sheet has a surface area that is exposed to the target mixture, the exposed surface area being at least a factor of one hundred less than an exposed surface area of a sintered filter having an equivalent transverse extent to that of the sheet.
摘要翻译： 在目标材料供给装置中使用过滤器，并且包括具有第一平面和第二相对平坦面的片，以及多个通孔。 第一平坦表面与储存包含目标材料和非目标颗粒的目标混合物的储存器流体连通。 通孔从第二平坦表面延伸并且在第二平坦表面处流体耦合到喷嘴的孔口。 片材具有暴露于目标混合物的表面积，暴露的表面积比具有与片材相当的横向程度的烧结过滤器的暴露表面积至少要低一百倍。
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2.发明授权公开(公告)号：US09029813B2
公开(公告)日：2015-05-12
申请号：US13112784
申请日：2011-05-20
摘要： A filter is used in a target material supply apparatus and includes a sheet having a first flat surface and a second opposing flat surface, and a plurality of through holes. The first flat surface is in fluid communication with a reservoir that holds a target mixture that includes a target material and non-target particles. The through holes extend from the second flat surface and are fluidly coupled at the second flat surface to an orifice of a nozzle. The sheet has a surface area that is exposed to the target mixture, the exposed surface area being at least a factor of one hundred less than an exposed surface area of a sintered filter having an equivalent transverse extent to that of the sheet.
摘要翻译： 在目标材料供给装置中使用过滤器，并且包括具有第一平面和第二相对平坦面的片，以及多个通孔。 第一平坦表面与储存包含目标材料和非目标颗粒的目标混合物的储存器流体连通。 通孔从第二平坦表面延伸并且在第二平坦表面处流体耦合到喷嘴的孔口。 片材具有暴露于目标混合物的表面积，暴露的表面积比具有与片材相当的横向程度的烧结过滤器的暴露表面积至少要低一百倍。
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3.发明授权System, method and apparatus for droplet catcher for prevention of backsplash in a EUV generation chamber 有权用于防止EUV发生室中的后挡板的液滴捕集器的系统，方法和装置公开(公告)号：US08138487B2
公开(公告)日：2012-03-20
申请号：US12720190
申请日：2010-03-09
申请人： Georgiy O. Vaschenko , William N. Partlo , Igor V. Fomenkov , Richard L. Sandstrom , Alexander I. Ershov , David Brandt , Joshua J. Miller
发明人： Georgiy O. Vaschenko , William N. Partlo , Igor V. Fomenkov , Richard L. Sandstrom , Alexander I. Ershov , David Brandt , Joshua J. Miller
IPC分类号： A61N5/00
CPC分类号： H05G2/005 , G03F7/70033 , G21K5/00 , H05G2/003 , H05G2/006
摘要： A system and method generating an extreme ultraviolet light in an extreme ultraviolet light chamber including a collector mirror, a droplet generation system having a droplet outlet aligned to output a plurality of droplets along a target material path and a first catch including a first open end substantially aligned to the target material path and at least one internal surface oriented toward a second end of the first catch, the second end being opposite from the first open end.
摘要翻译： 一种在包括收集反射镜的极紫外光室中产生极紫外光的系统和方法，具有液滴出口的液滴产生系统，该液滴产生系统沿着目标材料路径排列以输出多个液滴;以及第一捕集器，其基本上包括第一开口端 与目标材料路径对准并且至少一个内表面朝向第一卡扣的第二端定向，第二端与第一开口端相对。
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4.发明申请SYSTEM, METHOD AND APPARATUS FOR DROPLET CATCHER FOR PREVENTION OF BACKSPLASH IN A EUV GENERATION CHAMBER 有权用于防止在EUV生成室中发生反冲洗的刮水器的系统，方法和装置公开(公告)号：US20100258748A1
公开(公告)日：2010-10-14
申请号：US12720190
申请日：2010-03-09
申请人： Georgiy O. Vaschenko , William N. Partlo , Igor V. Fomenkov , Richard L. Sandstrom , Alexander I. Ershov , David Brandt , Joshua J. Miller
发明人： Georgiy O. Vaschenko , William N. Partlo , Igor V. Fomenkov , Richard L. Sandstrom , Alexander I. Ershov , David Brandt , Joshua J. Miller
IPC分类号： G21K5/02
CPC分类号： H05G2/005 , G03F7/70033 , G21K5/00 , H05G2/003 , H05G2/006
摘要： A system and method generating an extreme ultraviolet light in an extreme ultraviolet light chamber including a collector mirror, a droplet generation system having a droplet outlet aligned to output a plurality of droplets along a target material path and a first catch including a first open end substantially aligned to the target material path and at least one internal surface oriented toward a second end of the first catch, the second end being opposite from the first open end.
摘要翻译： 一种在包括收集反射镜的极紫外光室中产生极紫外光的系统和方法，具有液滴出口的液滴产生系统，该液滴产生系统沿着目标材料路径排列以输出多个液滴;以及第一捕集器，其基本上包括第一开口端 与目标材料路径对准并且至少一个内表面朝向第一卡扣的第二端定向，第二端与第一开口端相对。
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公开(公告)号：US08075732B2
公开(公告)日：2011-12-13
申请号：US10979945
申请日：2004-11-01
申请人： William N. Partlo , Richard L. Sandstrom , Igor V. Fomenkov , Alexander I. Ershov , William Oldham , William F. Marx , Oscar Hemberg
发明人： William N. Partlo , Richard L. Sandstrom , Igor V. Fomenkov , Alexander I. Ershov , William Oldham , William F. Marx , Oscar Hemberg
IPC分类号： C23F1/00
CPC分类号： B08B7/00
摘要： A method and apparatus that may comprise an EUV light producing mechanism utilizing an EUV plasma source material comprising a material that will form an etching compound, which plasma source material produces EUV light in a band around a selected center wavelength comprising: an EUV plasma generation chamber; an EUV light collector contained within the chamber having a reflective surface containing at least one layer comprising a material that does not form an etching compound and/or forms a compound layer that does not significantly reduce the reflectivity of the reflective surface in the band; an etchant source gas contained within the chamber comprising an etchant source material with which the plasma source material forms an etching compound, which etching compound has a vapor pressure that will allow etching of the etching compound from the reflective surface. The etchant source material may comprises a halogen or halogen compound. The etchant source material may be selected based upon the etching being stimulated in the presence of photons of EUV light and/or DUV light and/or any excited energetic photons with sufficient energy to stimulate the etching of the plasma source material. The apparatus may further comprise an etching stimulation plasma generator providing an etching stimulation plasma in the working vicinity of the reflective surface; and the etchant source material may be selected based upon the etching being stimulated by an etching stimulation plasma. There may also be an ion accelerator accelerating ions toward the reflective surface. The ions may comprise etchant source material. The apparatus and method may comprise a part of an EUV production subsystem with an optical element to be etched of plasma source material.
摘要翻译： 可以包括使用EUV等离子体源材料的EUV发光机构的方法和装置，所述EUV等离子体源材料包括将形成蚀刻化合物的材料，所述等离子体源材料在所选择的中心波长周围的带内产生EUV光，包括：EUV等离子体产生室 ; 包含在室内的EUV光收集器具有反射表面，该反射表面包含至少一层，该层包含不形成蚀刻化合物的材料和/或形成不显着降低该带中的反射表面的反射率的化合物层; 包含在腔室内的蚀刻剂源气体包括蚀刻剂源材料，等离子体源材料与蚀刻剂源材料形成蚀刻化合物，该蚀刻化合物具有允许从反射表面蚀刻蚀刻化合物的蒸气压。 蚀刻剂源材料可以包含卤素或卤素化合物。 蚀刻剂源材料可以基于在存在EUV光和/或DUV光的光子和/或具有足够能量以激发等离子体源材料的蚀刻的任何激发能量光子的情况下被激发的蚀刻来选择。 该装置还可以包括在反射表面的工作附近提供蚀刻刺激等离子体的蚀刻刺激等离子体发生器; 并且蚀刻剂源材料可以基于通过蚀刻刺激等离子体刺激的蚀刻来选择。 还可以存在离子加速剂将离子朝向反射表面加速。 离子可以包括蚀刻剂源材料。 该装置和方法可以包括具有待蚀刻的等离子体源材料的光学元件的EUV生产子系统的一部分。
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公开(公告)号：US07141806B1
公开(公告)日：2006-11-28
申请号：US11237649
申请日：2005-09-27
IPC分类号： G01J1/00
摘要： An EUV light source collector erosion mitigation method and apparatus for a collector comprising a multilayered mirror collector comprising a collector outer surface composed of a capping material subject to removal due to a removing interaction with materials created in an EUV light-creating plasma, is disclosed which may comprise including within an EUV plasma source material a replacement material. The replacement material may comprise the same material as the capping material of the multilayered mirror. The replacement material may comprise a material that is essentially transparent to light in a selected band of EUV light, e.g., a spectrum of EUV light generated in a plasma of a plasma source material. The replacement material may comprise a material not susceptible to being etched by an etching material used to remove deposited plasma source material from the collector, e.g., a halogen etchant.
摘要翻译： 公开了一种用于收集器的EUV光源收集器侵蚀缓解方法和装置，其包括多层反射镜收集器，其包括由由与在EUV发光等离子体中产生的材料的去除相互作用而被去除的封盖材料组成的收集器外表面。 可以包括在EUV等离子体源材料内包括替换材料。 替代材料可以包括与多层反射镜的封盖材料相同的材料。 替代材料可以包括对EUV光的选定频带中的光基本上透明的材料，例如在等离子体源材料的等离子体中产生的EUV光的光谱。 替代材料可以包括不易被蚀刻材料蚀刻的材料，用于从集电体例如卤素蚀刻剂去除沉积的等离子体源材料。
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7.发明授权Systems and methods for buffer gas flow stabilization in a laser produced plasma light source 有权激光产生等离子体光源中缓冲气体流动稳定的系统和方法公开(公告)号：US09516730B2
公开(公告)日：2016-12-06
申请号：US13156188
申请日：2011-06-08
摘要： An extreme-ultraviolet (EUV) light source comprising an optic, a target material, and a laser beam passing through said optic along a beam path to irradiate said target material. The EUV light source further includes a system generating a gas flow directed toward said target material along said beam path, said system having a tapering member surrounding a volume and a plurality of gas lines, each gas line outputting a gas stream into said volume.
摘要翻译： 一种极紫外（EUV）光源，包括光学元件，目标材料和沿着光束路径通过所述光学元件以照射所述目标材料的激光束。 EUV光源还包括沿着所述光束路径产生朝向所述目标材料的气流的系统，所述系统具有包围体积和多条气体管线的锥形构件，每条气体管线将气流输送到所述体积中。
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8.发明授权Oscillator-amplifier drive laser with seed protection for an EUV light source 有权振荡器放大器驱动激光器，具有EUV光源的种子保护功能公开(公告)号：US08462425B2
公开(公告)日：2013-06-11
申请号：US13077757
申请日：2011-03-31
申请人： Kai-Chung Hou , Richard L. Sandstrom , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov
发明人： Kai-Chung Hou , Richard L. Sandstrom , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov
CPC分类号： H01S3/117 , H01S3/005 , H01S3/0057 , H01S3/0064 , H01S3/076 , H01S3/0812 , H01S3/2232 , H01S3/2383 , H05G2/005 , H05G2/008
摘要： As disclosed herein, in a first aspect, a device may comprise: an oscillator producing a light output on a beam path; a target material for interaction with light on the beam path at an irradiation site; a beam delay on the beam path the beam delay having a beam folding optical arrangement; and a switch positioned along the beam path and interposed between the oscillator and the beam delay; the switch closable to divert at least a portion of light on the beam path from the beam path, the switch having close time, t1 and the beam path having a length, L1, along the path from the switch to the irradiation site; with t1
摘要翻译： 如本文所公开的，在第一方面中，一种装置可以包括：在光束路径上产生光输出的振荡器; 用于在照射部位与光束路径上的光相互作用的目标材料; 在光束路径上的光束延迟具有光束折叠光学布置的光束延迟; 以及沿光束路径定位并且介于振荡器和光束延迟之间的开关; 所述开关可关闭以使所述光束路径上的至少一部分光从所述光束路径转移，所述开关具有接近时间t1，并且所述光束路径具有沿着从所述开关到所述照射部位的路径的长度L1; 与t1
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公开(公告)号：US20110141865A1
公开(公告)日：2011-06-16
申请号：US12637961
申请日：2009-12-15
申请人： Vahan Senekerimyan , Nam-Hyong Kim , Robert A. Bergstedt , Igor V. Fomenkov , William N. Partlo
发明人： Vahan Senekerimyan , Nam-Hyong Kim , Robert A. Bergstedt , Igor V. Fomenkov , William N. Partlo
摘要： An extreme ultraviolet light system includes a drive laser system that produces an amplified light beam; a target material delivery system configured to produce a target material at a target location; a beam delivery system configured to receive the amplified light beam emitted from the drive laser system and to direct the amplified light beam toward the target location; and a metrology system. The beam delivery system includes converging lens configured and arranged to focus the amplified light beam at the target location. The metrology system includes a light collection system configured to collect a portion of the amplified light beam reflected from the converging lens and a portion of a guide laser beam reflected from the converging lens. The light collection system includes a dichroic optical device configured to optically separate the portions.
摘要翻译： 极紫外光系统包括产生放大光束的驱动激光系统; 配置成在目标位置产生目标材料的目标材料输送系统; 射束传送系统，被配置为接收从驱动激光系统发射的放大光束并将放大的光束引向目标位置; 和计量系统。 光束传送系统包括被配置和布置成将被放大的光束聚焦在目标位置处的会聚透镜。 测量系统包括：光收集系统，被配置为收集从会聚透镜反射的放大光束的一部分和从会聚透镜反射的一部分引导激光束。 光采集系统包括配置为光学地分离这些部分的二向色光学装置。
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公开(公告)号：US20110102759A1
公开(公告)日：2011-05-05
申请号：US12987039
申请日：2011-01-07
申请人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt , Richard L. Sandstrom , Ivan Lalovic
发明人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt , Richard L. Sandstrom , Ivan Lalovic
IPC分类号： G03B27/54
CPC分类号： H01S3/225 , H01S3/005 , H01S3/0057 , H01S3/08004 , H01S3/08009 , H01S3/083 , H01S3/10092 , H01S3/2251 , H01S3/2258 , H01S3/2333 , H01S3/2383 , H01S2301/02
摘要： A method and apparatus may comprise a line narrowed pulsed excimer or molecular fluorine gas discharge laser system which may comprise a seed laser oscillator producing an output comprising a laser output light beam of pulses which may comprise a first gas discharge excimer or molecular fluorine laser chamber; a line narrowing module within a first oscillator cavity; a laser amplification stage containing an amplifying gain medium in a second gas discharge excimer or molecular fluorine laser chamber receiving the output of the seed laser oscillator and amplifying the output of the seed laser oscillator to form a laser system output comprising a laser output light beam of pulses, which may comprise a ring power amplification stage.
摘要翻译： 一种方法和装置可以包括线变窄的脉冲准分子或分子氟气放电激光系统，其可以包括种子激光振荡器，其产生包括可以包括第一气体放电准分子或分子氟激光室的脉冲的激光输出光束的输出; 第一振荡器腔内的线窄模块; 在第二气体放电准分子或分子氟激光室中包含放大增益介质的激光放大级，其接收种子激光振荡器的输出并放大种子激光振荡器的输出，以形成激光系统输出，其包括激光输出光束 脉冲，其可以包括环形功率放大级。
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