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公开(公告)号：US20120223256A1
公开(公告)日：2012-09-06
申请号：US13088166
申请日：2011-04-15
申请人： Alexander N. Bykanov , Silvia De Dea , Alexander I. Ershov , Vladimir B. Fleurov , Igor V. Fomenkov , William N. Partlo
发明人： Alexander N. Bykanov , Silvia De Dea , Alexander I. Ershov , Vladimir B. Fleurov , Igor V. Fomenkov , William N. Partlo
IPC分类号： H05G2/00
CPC分类号： H05G2/008 , G03F7/70925 , H05G2/005
摘要： An extreme-ultraviolet (EUV) light source is described herein comprising an optic; a primary EUV light radiator generating an EUV light emitting plasma and producing a deposit on said optic; and a cleaning system comprising a gas and a secondary light radiator, the secondary light radiator generating a laser produced plasma and producing a cleaning species with the gas.
摘要翻译： 本文描述了一种极光紫外（EUV）光源，其包括光学元件; 产生EUV发光等离子体并在所述光学器件上产生沉积物的主要EUV光辐射体; 以及包括气体和次级光辐射器的清洁系统，所述次级光辐射体产生激光产生的等离子体并且产生具有气体的清洁物质。
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82.发明授权公开(公告)号：US08198615B2
公开(公告)日：2012-06-12
申请号：US12658133
申请日：2010-02-02
CPC分类号： H05G2/003 , G03F7/70033 , G03F7/70175 , G03F7/70916 , H05G2/005 , H05G2/008 , Y10S422/906
摘要： Devices and corresponding methods of use are described herein which may comprise an enclosing structure defining a closed loop flow path and a system generating a plasma at a plasma site, e.g. laser produced plasma system, where the plasma site may be in fluid communication with the flow path. For the device, a gas may be disposed in the enclosing structure which may include an ion-stopping buffer gas and/or an etchant. A pump may be provided to force the gas through the closed loop flow path. One or more heat exchangers removing heat from gas flowing in the flow path may be provided. In some arrangements, a filter may be used to remove at least a portion of a target species from gas flowing in the flow path.
摘要翻译： 本文描述了装置和相应的使用方法，其可以包括限定闭环流动路径的封闭结构和在等离子体位置处产生等离子体的系统，例如， 激光产生的等离子体系统，其中等离子体位置可以与流动路径流体连通。 对于该装置，气体可以设置在封闭结构中，其可以包括离子停止缓冲气体和/或蚀刻剂。 可以提供泵以迫使气体通过闭环流动路径。 可以提供一种或多种热交换器来从流动路径中流动的气体中除去热量。 在一些布置中，可以使用过滤器来从在流动路径中流动的气体中去除至少一部分目标物种。
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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
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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84.发明申请公开(公告)号：US20100140514A1
公开(公告)日：2010-06-10
申请号：US12658133
申请日：2010-02-02
IPC分类号： G21K5/00
CPC分类号： H05G2/003 , G03F7/70033 , G03F7/70175 , G03F7/70916 , H05G2/005 , H05G2/008 , Y10S422/906
摘要： Devices and corresponding methods of use are described herein which may comprise an enclosing structure defining a closed loop flow path and a system generating a plasma at a plasma site, e.g. laser produced plasma system, where the plasma site may be in fluid communication with the flow path. For the device, a gas may be disposed in the enclosing structure which may include an ion-stopping buffer gas and/or an etchant. A pump may be provided to force the gas through the closed loop flow path. One or more heat exchangers removing heat from gas flowing in the flow path may be provided. In some arrangements, a filter may be used to remove at least a portion of a target species from gas flowing in the flow path.
摘要翻译： 本文描述了装置和相应的使用方法，其可以包括限定闭环流动路径的封闭结构和在等离子体位置处产生等离子体的系统，例如， 激光产生的等离子体系统，其中等离子体位置可以与流动路径流体连通。 对于该装置，气体可以设置在封闭结构中，其可以包括离子停止缓冲气体和/或蚀刻剂。 可以提供泵以迫使气体通过闭环流动路径。 可以提供一种或多种热交换器来从流动路径中流动的气体中除去热量。 在一些布置中，可以使用过滤器来从在流动路径中流动的气体中去除至少一部分目标物种。
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公开(公告)号：US20100127186A1
公开(公告)日：2010-05-27
申请号：US12655987
申请日：2010-01-11
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
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.
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86.发明申请公开(公告)号：US20100032590A1
公开(公告)日：2010-02-11
申请号：US12221822
申请日：2008-08-06
IPC分类号： G01J3/10
CPC分类号： H05G2/003 , G03F7/70033 , G03F7/70858 , G03F7/70916 , G03F7/70983 , H05G2/005 , H05G2/008
摘要： Devices are disclosed herein which may comprise a vessel; a material disposed in the vessel for creating an EUV light emitting plasma at a plasma site, the plasma generating debris; a near normal incidence EUV reflective optic disposed in the vessel; and a source of a magnetic field for deflecting debris in the vessel to protect the optic, the source positioned to interpose the optic between the source and the plasma site.
摘要翻译： 本文公开的装置可以包括容器; 设置在容器中的用于在等离子体位置处产生EUV发光等离子体的材料，等离子体产生碎片; 设置在容器中的近似正常入射的EUV反射光学器件; 以及用于偏转容器中的碎屑以保护光学元件的磁场源，所述源被定位成将光学元件插入在源和等离子体位置之间。
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公开(公告)号：US20100024980A1
公开(公告)日：2010-02-04
申请号：US12587258
申请日：2009-10-05
IPC分类号： C23F1/08
CPC分类号： H05G2/003 , B82Y10/00 , G03F7/70033 , H05G2/005 , H05G2/008
摘要： An EUV light source is disclosed that may include a laser source, e.g. CO2 laser, a plasma chamber, and a beam delivery system for passing a laser beam from the laser source into the plasma chamber. Embodiments are disclosed which may include one or more of the following; a bypass line may be provided to establish fluid communication between the plasma chamber and the auxiliary chamber, a focusing optic, e.g. mirror, for focusing the laser beam to a focal spot in the plasma chamber, a steering optic for steering the laser beam focal spot in the plasma chamber, and an optical arrangement for adjusting focal power.
摘要翻译： 公开了一种EUV光源，其可以包括例如激光源。 CO2激光器，等离子体室和用于将激光束从激光源传递到等离子体室中的光束传送系统。 公开了可以包括以下中的一个或多个的实施例; 可以提供旁路管线以建立等离子体室和辅助室之间的流体连通，聚焦光学器件例如。 用于将激光束聚焦到等离子体室中的焦点的反射镜，用于转向等离子体室中的激光束焦斑的转向光学元件，以及用于调整焦度的光学装置。
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公开(公告)号：US20090095925A1
公开(公告)日：2009-04-16
申请号：US12288970
申请日：2008-10-24
IPC分类号： G01J3/10
摘要： An apparatus and method is disclosed which may comprise a laser produced plasma EUV system which may comprise a drive laser producing a drive laser beam; a drive laser beam first path having a first axis; a drive laser redirecting mechanism transferring the drive laser beam from the first path to a second path, the second path having a second axis; an EUV collector optical element having a centrally located aperture; and a focusing mirror in the second path and positioned within the aperture and focusing the drive laser beam onto a plasma initiation site located along the second axis. The apparatus and method may comprise the drive laser beam is produced by a drive laser having a wavelength such that focusing on an EUV target droplet of less than about 100 μm at an effective plasma producing energy is not practical in the constraints of the geometries involved utilizing a focusing lens. The drive laser may comprise a CO2 laser. The drive laser redirecting mechanism may comprise a mirror.
摘要翻译： 公开了一种可以包括激光产生等离子体EUV系统的装置和方法，其可以包括产生驱动激光束的驱动激光器; 具有第一轴的驱动激光束第一路径; 驱动激光重定向机构，其将所述驱动激光束从所述第一路径传递到第二路径，所述第二路径具有第二轴线; 具有中心定位的孔的EUV收集器光学元件; 以及在第二路径中的聚焦反射镜并且定位在孔内并将驱动激光束聚焦到沿着第二轴线定位的等离子体起始位置。 该装置和方法可以包括驱动激光束由具有波长的驱动激光器产生，使得在有效的等离子体产生能量下聚焦在小于约100mum的EUV目标液滴在所涉及的几何形状的约束条件下是不切实际的 聚焦镜头。 驱动激光器可以包括CO2激光器。 驱动激光重定向机构可以包括镜子。
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公开(公告)号：US07476887B2
公开(公告)日：2009-01-13
申请号：US11725940
申请日：2007-03-19
摘要： Apparatus and methods are disclosed for forming plasma generated EUV light source optical elements, e.g., reflectors comprising MLM stacks employing various binary layer materials and capping layer(s) including single and binary capping layers for utilization in plasma generated EUV light source chambers, particularly where the plasma source material is reactive with one or more of the MLM materials.
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公开(公告)号：US07180083B2
公开(公告)日：2007-02-20
申请号：US11238828
申请日：2005-09-28
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。
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