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71.发明申请SYSTEMS AND METHODS FOR BUFFER GAS FLOW STABILIZATION IN A LASER PRODUCED PLASMA LIGHT SOURCE 有权激光产生的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：US20120313016A1
公开(公告)日：2012-12-13
申请号：US13156188
申请日：2011-06-08
IPC分类号： G21K5/00
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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公开(公告)号：US08304752B2
公开(公告)日：2012-11-06
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
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。
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73.发明授权公开(公告)号：US08283643B2
公开(公告)日：2012-10-09
申请号：US12592107
申请日：2009-11-18
CPC分类号： H05G2/003 , H01S3/005 , H01S3/2391 , H05G2/008
摘要： An EUV light source device is described herein which may comprise a laser beam travelling along a beam path, at least a portion of the beam path aligned along a linear axis; a material for interaction with the laser beam at an irradiation site to create an EUV light emitting plasma; a first reflector having a focal point, the first reflector positioned with the focal point on the linear axis, the first reflector receiving laser light along the beam path; and a second reflector receiving laser light reflected by the first reflector and directing the laser light toward the irradiation site.
摘要翻译： 本文描述了EUV光源装置，其可以包括沿着光束路径传播的激光束，所述光束路径的至少一部分沿线性轴线对准; 用于在照射部位与激光束相互作用以产生EUV发光等离子体的材料; 具有焦点的第一反射器，所述第一反射器的焦点位于所述线性轴线上，所述第一反射器沿着所述光束路径接收激光; 以及第二反射器，其接收由所述第一反射器反射并且将所述激光引向所述照射部位的激光。
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公开(公告)号：US08173985B2
公开(公告)日：2012-05-08
申请号：US12638092
申请日：2009-12-15
IPC分类号： H05G2/00 , H01L21/027 , G03F7/20
CPC分类号： H05G2/008
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; an extreme ultraviolet light vacuum chamber defining an interior vacuum space that houses an extreme ultraviolet light collector and the target location; and a beam delivery system that is configured to receive the amplified light beam emitted from the drive laser system and to direct the amplified light beam toward the target location. The beam delivery system includes a beam expansion system that expands a size of the amplified light beam and a focusing element that is configured and arranged to focus the amplified light beam at the target location.
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; 极紫外光真空室限定内部真空空间，其容纳极紫外光收集器和目标位置; 以及光束传送系统，其被配置为接收从驱动激光系统发射的放大的光束并将放大的光束引向目标位置。 光束传送系统包括扩大放大光束的尺寸的光束扩展系统和配置和布置成将放大的光束聚焦在目标位置处的聚焦元件。
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公开(公告)号：US07999915B2
公开(公告)日：2011-08-16
申请号：US11981450
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 , Ivan Lalovic
发明人： Alexander I. Ershov , William N. Partlo , Daniel J. W. Brown , Igor V. Fomenkov , Robert A. Bergstedt , Ivan Lalovic
CPC分类号： G03F7/70625 , G03F7/70025 , G03F7/70583 , G03F7/70616 , H01S3/08004 , H01S3/08059 , H01S3/10092 , H01S3/225 , H01S3/2251 , H01S3/2308
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：US20110140008A1
公开(公告)日：2011-06-16
申请号：US12638092
申请日：2009-12-15
IPC分类号： G21K5/04
CPC分类号： H05G2/008
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; an extreme ultraviolet light vacuum chamber defining an interior vacuum space that houses an extreme ultraviolet light collector and the target location; and a beam delivery system that is configured to receive the amplified light beam emitted from the drive laser system and to direct the amplified light beam toward the target location. The beam delivery system includes a beam expansion system that expands a size of the amplified light beam and a focusing element that is configured and arranged to focus the amplified light beam at the target location.
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; 极紫外光真空室限定内部真空空间，其容纳极紫外光收集器和目标位置; 以及光束传送系统，其被配置为接收从驱动激光系统发射的放大的光束并将放大的光束引向目标位置。 光束传送系统包括扩大放大光束的尺寸的光束扩展系统和配置和布置成将放大的光束聚焦在目标位置处的聚焦元件。
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77.发明申请SYSTEM, METHOD AND APPARATUS FOR ALIGNING AND SYNCHRONIZING TARGET MATERIAL FOR OPTIMUM EXTREME ULTRAVIOLET LIGHT OUTPUT 有权用于最佳超极紫外光输出的对准和同步目标材料的系统，方法和装置公开(公告)号：US20100258750A1
公开(公告)日：2010-10-14
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
CPC分类号： H05G2/005 , G03F7/70033 , G21K5/00 , H05G2/003 , H05G2/006
摘要： An extreme ultraviolet light system includes a drive laser system, an extreme ultraviolet light chamber including an extreme ultraviolet light collector and a target material dispenser including a target material outlet capable of outputting a plurality of portions of target material along a target material path, wherein the target material outlet is adjustable. The extreme ultraviolet light system further includes a drive laser steering device, a detection system including at least one detector directed to detect a reflection of the drive laser reflected from the first one of the plurality of portions of target material 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 a first one of the plurality of portions of target material from a first light reflected from the first target material and logic for adjusting the target material dispenser outlet to output a subsequent one of the plurality of portions of target material to a waist of the focused drive laser. A method for generating an extreme ultraviolet light is also disclosed. A system and a method for optimizing an extreme ultraviolet light output is also disclosed.
摘要翻译： 一种极紫外光系统包括驱动激光系统，包括极紫外光收集器的极紫外光室和包括能够沿目标材料路径输出多个目标材料部分的靶材料出口的目标材料分配器，其中， 目标材料出口可调。 所述极紫外光系统还包括驱动激光转向装置，所述检测系统包括至少一个检测器，所述检测器被引导以检测从所述目标材料的所述多个部分中的第一部分反射的所述驱动激光的反射;以及耦合到所述目标的控制器 材料分配器，检测器系统和驱动激光转向装置。 所述控制器包括用于从第一目标材料反射的第一光检测多个目标材料部分中的第一部分的位置的逻辑，以及用于调整目标材料分配器出口的逻辑，以输出多个部分中的后续部分 目标材料到聚焦驱动激光的腰部。 还公开了一种用于产生极紫外光的方法。 还公开了一种用于优化极紫外光输出的系统和方法。
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78.发明申请公开(公告)号：US20100127191A1
公开(公告)日：2010-05-27
申请号：US12592107
申请日：2009-11-18
CPC分类号： H05G2/003 , H01S3/005 , H01S3/2391 , H05G2/008
摘要： An EUV light source device is described herein which may comprise a laser beam travelling along a beam path, at least a portion of the beam path aligned along a linear axis; a material for interaction with the laser beam at an irradiation site to create an EUV light emitting plasma; a first reflector having a focal point, the first reflector positioned with the focal point on the linear axis, the first reflector receiving laser light along the beam path; and a second reflector receiving laser light reflected by the first reflector and directing the laser light toward the irradiation site.
摘要翻译： 本文描述了EUV光源装置，其可以包括沿着光束路径传播的激光束，所述光束路径的至少一部分沿线性轴线对准; 用于在照射部位与激光束相互作用以产生EUV发光等离子体的材料; 具有焦点的第一反射器，所述第一反射器的焦点位于所述线性轴线上，所述第一反射器沿着所述光束路径接收激光; 以及第二反射器，其接收由所述第一反射器反射并且将所述激光引向所述照射部位的激光。
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公开(公告)号：US07671349B2
公开(公告)日：2010-03-02
申请号：US11786145
申请日：2007-04-10
申请人： Alexander N. Bykanov , Norbert Bowering , Igor V. Fomenkov , David C. Brandt , Alexander I. Ershov , Oleh Khodykin , William N. Partlo
发明人： Alexander N. Bykanov , Norbert Bowering , Igor V. Fomenkov , David C. Brandt , Alexander I. Ershov , Oleh Khodykin , William N. Partlo
IPC分类号： H04H1/04
CPC分类号： G03F7/70916 , B82Y10/00 , G03F7/70033 , G03F7/70908 , G03F7/70983 , H05G2/003 , H05G2/008
摘要： A device is disclosed which may comprise a system generating a plasma at a plasma site, the plasma producing EUV radiation and ions exiting the plasma. The device may also include an optic, e.g., a multi-layer mirror, distanced from the site by a distance, d, and a flowing gas disposed between the plasma and optic, the gas establishing a gas pressure sufficient to operate over the distance, d, to reduce ion energy below a pre-selected value before the ions reach the optic. In one embodiment, the gas may comprise hydrogen and in a particular embodiment, the gas may comprise greater than 50 percent hydrogen by volume.
摘要翻译： 公开了一种可以包括在等离子体位置处产生等离子体的系统，等离子体产生EUV辐射和离开等离子体的离子的装置。 该装置还可以包括一个光学元件，例如多个远离现场的多层反射镜，以及设置在等离子体和光学元件之间的流动气体，该气体建立足以在该距离上操作的气体压力， d，在离子到达光学器件之前，将离子能量降低到预先选定的值以下。 在一个实施方案中，气体可以包含氢气，并且在一个具体实施方案中，气体可以包含大于50体积％的氢气。
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80.发明申请System managing gas flow between chambers of an extreme ultraviolet (EUV) photolithography apparatus 有权系统管理极紫外（EUV）光刻设备的腔室之间的气流公开(公告)号：US20090154642A1
公开(公告)日：2009-06-18
申请号：US12002073
申请日：2007-12-14
IPC分类号： G21K5/00
CPC分类号： H05G2/003 , G03F7/70033 , G03F7/70808 , G03F7/70841 , G03F7/70908 , G03F7/70916
摘要： A gas flow management system may comprise a first and second enclosing walls at least partially surrounding first and second respective spaces; a system generating plasma in the first space, the plasma emitting extreme ultraviolet light; an elongated body restricting flow from the first space to the second space, the body at least partially surrounding a passageway and having a first open end allowing EUV light to enter the passageway from the first space and a second open end allowing EUV light to exit the passageway into the second space, the body shaped to establish a location having a reduced cross-sectional area relative to the first and second ends; and a flow of gas exiting an aperture, the aperture positioned to introduce gas into the passageway at a position between the first end of the body and the location having a reduced cross-sectional area.
摘要翻译： 气体流量管理系统可以包括至少部分地围绕第一和第二相应空间的第一和第二封闭壁; 在第一空间中产生等离子体的系统，等离子体发射极紫外光; 限制从第一空间流到第二空间的细长体，所述主体至少部分地围绕通道并且具有允许EUV光从第一空间进入通道的第一开口端，以及允许EUV光从第二空间退出的第二开口端 通道进入第二空间，身体形状以建立相对于第一和第二端具有减小的横截面面积的位置; 以及离开孔的气流，所述孔定位成在主体的第一端和具有减小的横截面积的位置之间的位置处将气体引入通道。
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