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公开(公告)号：US20120002687A1
公开(公告)日：2012-01-05
申请号：US13231882
申请日：2011-09-13
IPC分类号： H01S3/10
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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72.发明申请SYSTEMS AND METHODS FOR TARGET MATERIAL DELIVERY PROTECTION IN A LASER PRODUCED PLASMA EUV LIGHT SOURCE 有权激光生产的等离子体光源的目标物质输送保护的系统和方法公开(公告)号：US20110248191A1
公开(公告)日：2011-10-13
申请号：US13075500
申请日：2011-03-30
IPC分类号： H05G2/00
摘要： A device is disclosed herein which may comprise a chamber, a source providing a stream of target material droplets delivering target material to an irradiation region in the chamber along a path between a target material release point and the irradiation region, a gas flow in the chamber, at least a portion of the gas flowing in a direction toward the droplet stream, a system producing a laser beam irradiating droplets at the irradiation region to generate a plasma producing EUV radiation, and a shroud positioned along a portion of said stream, said shroud having a first shroud portion shielding droplets from said flow and an opposed open portion.
摘要翻译： 本文公开了一种装置，其可以包括室，源提供目标材料液滴流，其沿着目标材料释放点和照射区域之间的路径将靶材料输送到腔室中的照射区域，腔室中的气流 ，所述气体的至少一部分沿着朝向所述液滴流的方向流动，产生在所述照射区域处照射液滴的激光束以产生等离子体产生EUV辐射的系统，以及沿着所述流的一部分定位的护罩，所述护罩 具有屏蔽来自所述流动的液滴的第一护罩部分和相对的开口部分。
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公开(公告)号：US07822092B2
公开(公告)日：2010-10-26
申请号：US11981014
申请日：2007-10-30
申请人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
发明人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
IPC分类号： H01S3/22
CPC分类号： H01S3/225 , G03F7/70583 , H01S3/005 , H01S3/0057 , H01S3/03 , H01S3/034 , H01S3/08036 , H01S3/08059 , H01S3/10092 , H01S3/105 , H01S3/2251 , H01S3/2333
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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公开(公告)号：US07778302B2
公开(公告)日：2010-08-17
申请号：US11981290
申请日：2007-10-30
申请人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
发明人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
IPC分类号： H01S3/22
CPC分类号： H01S3/10092 , G03F7/70583 , H01S3/005 , H01S3/0057 , H01S3/08 , H01S3/08059 , H01S3/0835 , H01S3/121 , H01S3/225 , H01S3/2333 , H01S3/235 , H01S3/2383
摘要： A method/apparatus may comprise a seed laser oscillator producing an output 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 receiving the output of the seed laser oscillator which may comprise: a ring power amplification stage; a coherence busting mechanism intermediate the seed laser oscillator and the ring power amplification stage which may comprise a beam splitter separating the seed laser output into a main beam and a beam entering an optical delay path which may have a delay length longer than the coherence length of a pulse in the seed laser output and may have a beam angular offset mechanism offsetting a delayed beam and the main beam.
摘要翻译： 一种方法/装置可以包括产生输出的种子激光振荡器，该输出可以包括：第一气体放电准分子或分子氟激光室; 第一振荡器腔内的线窄模块; 接收种子激光振荡器的输出的激光放大级，其可以包括：环形功率放大级; 种子激光振荡器和环形功率放大级之间的相干破坏机构，其可以包括将种子激光器输出分离成主波束的分束器和进入光学延迟路径的波束，该光束延迟路径可以具有比相干长度长的延迟长度 种子激光器中的脉冲输出并且可以具有抵消延迟的光束和主光束的光束角偏移机构。
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公开(公告)号：US20090122825A1
公开(公告)日：2009-05-14
申请号：US11981290
申请日：2007-10-30
申请人： Alexander I. Ershov , William N. Partlo , Daniel J.W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
发明人： Alexander I. Ershov , William N. Partlo , Daniel J.W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
IPC分类号： H01S3/225
CPC分类号： H01S3/10092 , G03F7/70583 , H01S3/005 , H01S3/0057 , H01S3/08 , H01S3/08059 , H01S3/0835 , H01S3/121 , H01S3/225 , H01S3/2333 , H01S3/235 , H01S3/2383
摘要： A method/apparatus may comprise a seed laser oscillator producing an output 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 receiving the output of the seed laser oscillator which may comprise: a ring power amplification stage; a coherence busting mechanism intermediate the seed laser oscillator and the ring power amplification stage which may comprise a beam splitter separating the seed laser output into a main beam and a beam entering an optical delay path which may have a delay length longer than the coherence length of a pulse in the seed laser output and may have a beam angular offset mechanism offsetting a delayed beam and the main beam.
摘要翻译： 一种方法/装置可以包括产生输出的种子激光振荡器，该输出可以包括：第一气体放电准分子或分子氟激光室; 第一振荡器腔内的线窄模块; 接收种子激光振荡器的输出的激光放大级，其可以包括：环形功率放大级; 种子激光振荡器和环形功率放大级之间的相干破坏机构，其可以包括将种子激光器输出分离成主波束的分束器和进入光学延迟路径的波束，该光束延迟路径可以具有比相干长度长的延迟长度 种子激光器中的脉冲输出并且可以具有抵消延迟的光束和主光束的光束角偏移机构。
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公开(公告)号：US07471708B2
公开(公告)日：2008-12-30
申请号：US11095293
申请日：2005-03-31
CPC分类号： H01S3/036 , H01S3/038 , H01S3/097 , H01S3/09702 , H01S3/134
摘要： A line narrowed gas discharge laser system and method of operation are disclosed which may comprise: an oscillator cavity; a laser chamber comprising a chamber housing containing a lasing medium gas; at least one peaking capacitor electrically connected to the chamber housing and to a first one of a pair of electrodes; a second one of the pair of electrodes connected to an opposite terminal of the at least one peaking capacitor; a current return path connected to the chamber housing; the one terminal, the first one of the electrodes, the lasing medium gas, the second one of the electrodes, the current return path and the second terminal forming a head current inductive loop having an inductance unique to the particular head current inductive loop; a spectral quality tuning mechanism comprising a mechanism for changing the particular head current inductive loop inductance value for the particular head current inductance loop.
摘要翻译： 公开了一种窄气体放电激光系统和操作方法，其可以包括：振荡器腔; 激光室，包括容纳激光介质气体的腔室; 至少一个峰值电容器电连接到所述腔室壳体和一对电极中的第一电极; 所述一对电极中的第二个连接到所述至少一个峰值电容器的相对端子; 连接到所述腔室壳体的电流返回路径; 一个端子，电极中的第一个，激光介质气体，第二个电极，电流返回路径和第二端子，形成具有特定头电流感应环路特有的电感的磁头电流感应环路; 光谱质量调谐机构包括用于改变特定头电流电感回路的特定头电流感应环电感值的机构。
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公开(公告)号：US20080144671A1
公开(公告)日：2008-06-19
申请号：US11981014
申请日：2007-10-30
申请人： Alexander I. Ershov , William N. Partlo , Daniel J.W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
发明人： Alexander I. Ershov , William N. Partlo , Daniel J.W. Brown , Igor V. Fomenkov , Robert A. Bergstedt
IPC分类号： H01S3/30
CPC分类号： H01S3/225 , G03F7/70583 , H01S3/005 , H01S3/0057 , H01S3/03 , H01S3/034 , H01S3/08036 , H01S3/08059 , H01S3/10092 , H01S3/105 , H01S3/2251 , H01S3/2333
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.
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公开(公告)号：US20070297467A1
公开(公告)日：2007-12-27
申请号：US11472088
申请日：2006-06-21
IPC分类号： H01S3/10
CPC分类号： H01S3/225 , H01S3/03 , H01S3/034 , H01S3/08009 , H01S3/137 , H01S3/2256
摘要： A method and apparatus is disclosed for operating a laser output light beam pulse line narrowing mechanism that may comprise a nominal center wavelength and bandwidth selection optic; a static wavefront compensation mechanism shaping the curvature of the selection optic; an active wavefront compensation mechanism shaping the curvature of the selection optic and operating independently of the static wavefront compensation mechanism. The method and apparatus may comprise the nominal center wavelength and bandwidth selection optic comprises a grating; the static wavefront compensation mechanism applies a pre-selected bending moment to the grating; the active wavefront compensation mechanism applies a separate selected bending moment to the grating responsive to the control of a bending moment controller based on bandwidth feedback from a bandwidth monitor monitoring the bandwidth of the laser output light beam pulses. The active wavefront compensation mechanism may comprise a pneumatic drive mechanism.
摘要翻译： 公开了用于操作可以包括标称中心波长和带宽选择光学器件的激光输出光束脉冲线窄化机构的方法和装置; 静态波前补偿机构整形选择光学元件的曲率; 主动波前补偿机构整形选择光学元件的曲率并独立于静态波前补偿机制工作。 该方法和装置可以包括标称中心波长和带宽选择光学器件包括光栅; 静态波前补偿机构将预选的弯矩应用于光栅; 主动波前补偿机构响应于基于来自监视激光输出光束脉冲的带宽的带宽监视器的带宽反馈的弯矩控制器的控制，向光栅施加单独的选定弯矩。 主动波前补偿机构可以包括气动驱动机构。
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公开(公告)号：US07217940B2
公开(公告)日：2007-05-15
申请号：US10798740
申请日：2004-03-10
申请人： William N. Partlo , John Martin Algots , Gerry M. Blumenstock , Norbert Bowering , Alexander I. Ershov , Igor V. Fomenkov , Xiaojiang Pan
发明人： William N. Partlo , John Martin Algots , Gerry M. Blumenstock , Norbert Bowering , Alexander I. Ershov , Igor V. Fomenkov , Xiaojiang Pan
IPC分类号： H01J35/20
CPC分类号： H05G2/001 , B82Y10/00 , G03F7/70033 , G03F7/70175 , G03F7/70916 , G21K1/062
摘要： A method and apparatus for debris removal from a reflecting surface of an EUV collector in an EUV light source is disclosed which may comprise the reflecting surface comprises a first material and the debris comprises a second material and/or compounds of the second material, the system and method may comprise a controlled sputtering ion source which may comprise a gas comprising the atoms of the sputtering ion material; and a stimulating mechanism exciting the atoms of the sputtering ion material into an ionized state, the ionized state being selected to have a distribution around a selected energy peak that has a high probability of sputtering the second material and a very low probability of sputtering the first material. The stimulating mechanism may comprise an RF or microwave induction mechanism.
摘要翻译： 公开了一种用于从EUV光源中的EUV收集器的反射表面去除碎屑的方法和装置，其可以包括反射表面，其包括第一材料，并且所述碎屑包括第二材料和/或第二材料的化合物，所述系统 并且方法可以包括受控的溅射离子源，其可以包括包含溅射离子材料的原子的气体; 以及将溅射离子材料的原子激发成离子化状态的刺激机构，所选择的离子化状态具有围绕选择的能量峰的分布，其具有溅射第二材料的可能性很高，并且溅射的可能性非常低 材料。 刺激机构可以包括RF或微波感应机构。
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公开(公告)号：US07164144B2
公开(公告)日：2007-01-16
申请号：US10900839
申请日：2004-07-27
申请人： William N. Partlo , Norbert Bowering , Alexander I. Ershov , Igor V. Fomenkov , David W. Myers , Ian Roger Oliver , John Viatella , Robert N. Jacques
发明人： William N. Partlo , Norbert Bowering , Alexander I. Ershov , Igor V. Fomenkov , David W. Myers , Ian Roger Oliver , John Viatella , Robert N. Jacques
IPC分类号： H01J35/20
CPC分类号： G03F7/70033 , B82Y10/00 , G03F7/70175 , G03F7/70916 , G21K1/062 , G21K2201/061 , G21K2201/065 , G21K2201/067 , H05G2/003 , H05G2/005 , H05G2/006 , H05G2/008
摘要： A laser produced plasma (“LPP”) extreme ultraviolet (“EUV”) light source control system comprises a target delivery system adapted to deliver moving plasma initiation targets and an EUV light collection optic having a focus defining a desired plasma initiation site, a target tracking and feedback system comprising: at least one imaging device providing as an output an image of a target stream track, and a stream track error detector detecting an error in the position of the target stream track in at least one axis generally perpendicular to the target stream track from a desired stream track intersecting the desired plasma initiation site.
摘要翻译： 激光产生的等离子体（“LPP”）极紫外（“EUV”）光源控制系统包括适于传送移动等离子体引发目标的目标传送系统和具有定义所需等离子体起始位置的焦点的EUV光收集光学元件，靶 跟踪和反馈系统，包括：至少一个成像装置，其提供目标流轨迹的图像作为输出;以及流轨道误差检测器，其检测目标流轨迹在大致垂直于目标的至少一个轴上的位置的误差 来自与期望的等离子体起始位点相交的所需流道的流轨道。
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