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71. 发明授权

US08653491B2 System, method and apparatus for aligning and synchronizing target material for optimum extreme ultraviolet light output 有权
标题翻译：用于对准和同步目标材料以实现最佳极紫外光输出的系统，方法和装置
公开(公告)号：US08653491B2
公开(公告)日：2014-02-18
申请号：US12725178
申请日：2010-03-16
申请人： William N. Partlo , Igor V. Fomenkov , Alexander I. Ershov , Chris C. Chrobak , James H. Crouch
发明人： William N. Partlo , Igor V. Fomenkov , Alexander I. Ershov , Chris C. Chrobak , James H. Crouch
IPC分类号： H01G2/00 , H05G2/00 , G03F7/20
CPC分类号： H05G2/005 , G03F7/70033 , G21K5/00 , H05G2/003 , H05G2/006
摘要： An extreme ultraviolet light system and method includes a drive laser, a chamber including an extreme ultraviolet light collector and a target material dispenser including an adjustable target material outlet capable of outputting multiple portions of target material along a target material path. Also included: a drive laser steering device, a detection system including at least one detector and a controller coupled to the target material dispenser, the detector system and the drive laser steering device. The controller includes logic for detecting a location of the first portion of target material from the first light reflected from the first portion of target material and logic for adjusting the target material dispenser outlet to output a subsequent portion of target material to a waist of the focused drive laser. A system and a method for optimizing an extreme ultraviolet light output is also disclosed.
摘要翻译：一种极紫外光系统和方法包括驱动激光器，包括极紫外光收集器的腔室和包括可调靶材料出口的目标材料分配器，其能够沿目标材料路径输出目标材料的多个部分。还包括：驱动激光转向装置，包括至少一个检测器和耦合到目标材料分配器的控制器，检测器系统和驱动激光转向装置的检测系统。控制器包括用于从目标材料的第一部分反射的第一光和逻辑上检测目标材料的第一部分的位置的逻辑，用于调节目标材料分配器出口，以将目标材料的后续部分输出到聚焦的腰部驱动激光还公开了一种用于优化极紫外光输出的系统和方法。

72. 发明授权

US08170078B2 Laser system 有权
标题翻译：激光系统
公开(公告)号：US08170078B2
公开(公告)日：2012-05-01
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： H01S3/22
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。

73. 发明授权

US08138487B2 System, method and apparatus for droplet catcher for prevention of backsplash in a EUV generation chamber 有权
标题翻译：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。

74. 发明申请

US20100327192A1 Alignment Laser 有权
标题翻译：对准激光
公开(公告)号：US20100327192A1
公开(公告)日：2010-12-30
申请号：US12638413
申请日：2009-12-15
申请人： Igor V. Fomenkov , Alexander I. Ershov , William N. Partlo , Jason Paxton , Nam-Hyong Kim , Jerzy R. Hoffman
发明人： Igor V. Fomenkov , Alexander I. Ershov , William N. Partlo , Jason Paxton , Nam-Hyong Kim , Jerzy R. Hoffman
IPC分类号： H05G2/00 , H01S3/22 , H01S3/08
CPC分类号： H01S3/2232 , G03F7/70033 , H01S3/0014 , H01S3/0407 , H01S3/041 , H01S3/086 , H01S3/2308 , H05G2/008
摘要： A method for producing extreme ultraviolet light includes producing a target material at a target location; supplying pump energy to a gain medium of at least one optical amplifier that has an amplification band to produce an amplified light beam; propagating the amplified light beam through the gain medium using one or more optical components of a set of optical components; delivering the amplified light beam to the target location using one or more optical components of the optical component set; producing with a guide laser a guide laser beam that has a wavelength outside of the amplification band of the gain medium and inside the wavelength range of the optical components; and directing the guide laser beam through the optical component set to thereby align one or more optical components of the optical component set.
摘要翻译：用于生产极紫外光的方法包括在目标位置产生目标材料; 向具有放大频带的至少一个光放大器的增益介质提供泵浦能量以产生放大的光束; 使用一组光学部件的一个或多个光学部件将放大的光束传播通过增益介质; 使用所述光学部件组的一个或多个光学部件将放大的光束传送到目标位置; 用导向激光器产生具有波长在增益介质的放大频带之外且在光学部件的波长范围内的引导激光束; 并且引导所述引导激光束通过所述光学部件组，从而对准所述光学部件组的一个或多个光学部件。

75. 发明申请

US20100108913A1 Laser system 有权
公开(公告)号：US20100108913A1
公开(公告)日：2010-05-06
申请号：US11787180
申请日：2007-04-13
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： G21G5/00 , H01S3/225 , H01S3/083
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.

76. 发明申请

US20100074295A1 Immersion lithography laser light source with pulse stretcher 审中-公开
标题翻译：浸没光刻激光光源带脉冲担架
公开(公告)号：US20100074295A1
公开(公告)日：2010-03-25
申请号：US12592228
申请日：2009-11-20
申请人： William N. Partlo , Alexander I. Ershov , German Rylov , Igor V. Fomenkov , Daniel J.W. Brown , Christian J. Wittak , Rajasekhar M. Rao , Robert A. Bergstedt , John Fitzgerald , Richard L. Sandstrom , Vladimir B. Fleurov , Robert N. Jacques , Ed Danielewicz , Robin Swain , Edmond Arriola , Mike Wyatt , Walter Crosby
发明人： William N. Partlo , Alexander I. Ershov , German Rylov , Igor V. Fomenkov , Daniel J.W. Brown , Christian J. Wittak , Rajasekhar M. Rao , Robert A. Bergstedt , John Fitzgerald , Richard L. Sandstrom , Vladimir B. Fleurov , Robert N. Jacques , Ed Danielewicz , Robin Swain , Edmond Arriola , Mike Wyatt , Walter Crosby
IPC分类号： H01S3/22
CPC分类号： H01S3/0057 , G03F7/70341 , G03F7/70583
摘要： An apparatus and method are disclosed which may comprise a pulsed gas discharge laser lithography light source which may comprise a seed laser portion providing a seed laser output light beam of seed pulses; an amplifier portion receiving the seed laser output light beam and amplifying the optical intensity of each seed pulse to provide a high power laser system output light beam of output pulses; the amplifier portion may comprise a ring power amplifier comprising amplifier portion injection optics comprising at least one beam expanding prism, a beam reverser and an input/output coupler; the beam expansion optics and the output coupler may be mounted on an optics assembly with the beam expansion optics rigidly mounted with respect to the optics assembly and the input/output coupler mounted for relative movement with respect to the optics assembly for optical alignment purposes.
摘要翻译：公开了一种可以包括脉冲气体放电激光光刻光源的装置和方法，脉冲气体放电激光光刻光源可以包括提供种子脉冲的种子激光输出光束的种子激光部分; 接收种子激光输出光束并放大每个种子脉冲的光强度的放大器部分，以提供输出脉冲的大功率激光系统输出光束; 放大器部分可以包括环形功率放大器，其包括放大器部分注入光学器件，其包括至少一个光束扩展棱镜，光束反向器和输入/输出耦合器; 光束扩展光学器件和输出耦合器可以安装在光学组件上，其中光束扩展光学器件相对于光学组件刚性地安装，并且输入/输出耦合器被安装成相对于用于光学对准目的的光学组件的相对运动。

77. 发明授权

US07180083B2 EUV light source collector erosion mitigation 有权
标题翻译： EUV光源收集器侵蚀减轻
公开(公告)号：US07180083B2
公开(公告)日：2007-02-20
申请号：US11238828
申请日：2005-09-28
申请人： William N. Partlo , Alexander I. Ershov , Igor V. Fomenkov
发明人： William N. Partlo , Alexander I. Ershov , Igor V. Fomenkov
IPC分类号： A61N5/06 , G01J3/10 , H05G2/00
CPC分类号： G03F7/70916 , B82Y10/00 , G01J1/429 , G03F7/70033 , G03F7/70175 , G03F7/70983 , G21K1/062 , G21K2201/067 , H05G2/003
摘要： An EUV light source collector erosion mitigation system and method is disclosed which may comprise 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; a replacement material generator positioned to deliver replacement material comprising the capping material to the collector outer surface at a rate sufficient to replace the capping material removed due to the removing interaction. The replacement material generator may comprise a plurality of replacement material generators positioned to respectively deliver replacement material to a selected portion of the collector outer surface, which may comprise a sputtering mechanism sputtering replacement capping material onto the collector outer surface.
摘要翻译：公开了一种EUV光源收集器侵蚀缓解系统和方法，其可以包括收集器，其包括多层反射镜收集器，该多层反射镜收集器包括由封装材料构成的收集器外表面，该封盖材料由于与EUV发光等离子体中产生的材料的去除相互作用而被去除 ; 替代材料发生器定位成将包含封盖材料的替换材料以足以代替由于去除相互作用而去除的封盖材料的速率传送到收集器外表面。替代材料发生器可以包括多个替换材料发生器，其被定位成分别将替代材料递送到集电器外表面的选定部分，其可以包括溅射机构将溅射替换封盖材料涂覆到集电器外表面上。

78. 发明授权

US07154928B2 Laser output beam wavefront splitter for bandwidth spectrum control 有权
标题翻译：激光输出光束波前分离器，用于带宽频谱控制
公开(公告)号：US07154928B2
公开(公告)日：2006-12-26
申请号：US10875662
申请日：2004-06-23
申请人： Richard L. Sandstrom , Daniel J. W. Brown , Alexander I. Ershov , Igor V. Fomenkov , William N. Partlo
发明人： Richard L. Sandstrom , Daniel J. W. Brown , Alexander I. Ershov , Igor V. Fomenkov , William N. Partlo
IPC分类号： H01S3/22 , H01S3/223
CPC分类号： H01S3/0812 , G03F7/70025 , G03F7/70575 , H01S3/08059 , H01S3/097 , H01S3/1055 , H01S3/1305
摘要： Apparatus/method providing bandwidth control in narrow band short pulse duration gas discharge laser output light pulse beam producing systems, producing a beam comprising pulses at selected pulse repetition races, e.g., comprising a dispersive bandwidth selection optic selecting at least one center wavelength for each pulse determined at least in part by the angle of incidence of the beam containing the respective pulse on the optic; a tuning mechanism operative to select at least one angle of incidence of the beam containing the respective pulse upon the optic; the tuning mechanism comprising a plurality of incidence angle selection elements each defining an angle of incidence for a different spatially separated but not temporally separated portion of the pulse to return from the optic a laser light pulse comprising a plurality of spatially separated but not temporally separated portions, each having one of at least two different selected center wavelengths.
摘要翻译：在窄带短脉冲持续时间气体放电激光输出光脉冲光束产生系统中提供带宽控制的装置/方法，产生包括选定的脉冲重复轨迹的脉冲的波束，例如包括色散带宽选择光学器件，用于为每个脉冲选择至少一个中心波长至少部分地由在光学元件上包含相应脉冲的光束的入射角确定; 调谐机构，用于选择在光学元件上包含相应脉冲的光束的至少一个入射角; 所述调谐机构包括多个入射角选择元件，每个入射角选择元件限定所述脉冲的不同的空间分离但不是时间上分离的部分的入射角，以从所述光学器件返回包括多个空间分离但不时间分离的部分的激光脉冲每个具有至少两个不同选择的中心波长中的一个。

79. 发明授权

US07141806B1 EUV light source collector erosion mitigation 有权
标题翻译： EUV光源收集器侵蚀减轻
公开(公告)号：US07141806B1
公开(公告)日：2006-11-28
申请号：US11237649
申请日：2005-09-27
申请人： William N. Partlo , Alexander I. Ershov , Igor V. Fomenkov , David W. Myers , William Oldham
发明人： William N. Partlo , Alexander I. Ershov , Igor V. Fomenkov , David W. Myers , William Oldham
IPC分类号： G01J1/00
CPC分类号： G21K1/062 , B82Y10/00 , H05G2/003 , H05G2/005
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。

80. 发明授权

US07061961B2 Very narrow band, two chamber, high rep-rate gas discharge laser system 有权
公开(公告)号：US07061961B2
公开(公告)日：2006-06-13
申请号：US11199691
申请日：2005-08-09
申请人： David S. Knowles , Daniel J. W. Brown , Herve A. Besaucele , David W. Myers , Alexander I. Ershov , William N. Partlo , Richard L. Sandstrom , Palash P. Das , Stuart L. Anderson , Igor V. Fomenkov , Richard C. Ujazdowski , Eckehard D. Onkels , Richard M. Ness , Scot T. Smith , William G. Hulburd , Jeffrey Oicles
发明人： David S. Knowles , Daniel J. W. Brown , Herve A. Besaucele , David W. Myers , Alexander I. Ershov , William N. Partlo , Richard L. Sandstrom , Palash P. Das , Stuart L. Anderson , Igor V. Fomenkov , Richard C. Ujazdowski , Eckehard D. Onkels , Richard M. Ness , Scot T. Smith , William G. Hulburd , Jeffrey Oicles
IPC分类号： H01S3/22
CPC分类号： G01J1/4257 , G03F7/70025 , G03F7/70041 , G03F7/70333 , G03F7/70483 , G03F7/70575 , G03F7/70933 , H01S3/005 , H01S3/0057 , H01S3/02 , H01S3/03 , H01S3/036 , H01S3/038 , H01S3/0385 , H01S3/0387 , H01S3/0404 , H01S3/041 , H01S3/08004 , H01S3/08009 , H01S3/08036 , H01S3/0943 , H01S3/097 , H01S3/09702 , H01S3/09705 , H01S3/0971 , H01S3/0975 , H01S3/104 , H01S3/105 , H01S3/1055 , H01S3/1305 , H01S3/134 , H01S3/137 , H01S3/139 , H01S3/22 , H01S3/2207 , H01S3/223 , H01S3/225 , H01S3/2251 , H01S3/2256 , H01S3/2258 , H01S3/2333 , H01S3/2366
摘要： An oscillator-amplifier gas discharge laser system and method is disclosed which may comprise a first laser unit which may comprise a first discharge region which may contain an excimer or molecular fluorine lasing gas medium; a first pair of electrodes defining the first discharge region containing the lasing gas medium, a line narrowing unit for narrowing a spectral bandwidth of output laser light pulse beam pulses produced in said first discharge region; a second laser unit which may comprise a second discharge chamber which may contain an excimer or molecular fluorine lasing gas medium; a second pair of electrodes defining the second discharge region containing the lasing gas medium; a pulse power system providing electrical pulses to the first pair of electrodes and to the second pair of electrodes producing gas discharges in the lasing gas medium between the respective first and second pair of electrodes, and laser parameter control mechanism modifying a selected parameter of a selected laser output light pulse beam pulse produced by said gas discharge laser system by controlling the timing of the occurrence of the gas discharge between the first pair of electrodes and the occurrence of the gas discharge between the second pair of electrodes.

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