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21.发明申请公开(公告)号：US20090057567A1
公开(公告)日：2009-03-05
申请号：US11897644
申请日：2007-08-31
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：US07491954B2
公开(公告)日：2009-02-17
申请号：US11580414
申请日：2006-10-13
IPC分类号： H01J35/20
CPC分类号： H05G2/003 , G03F7/70033 , H01S3/0064 , H01S3/073 , H01S3/0805 , H01S3/08054 , H01S3/08059 , H01S3/083 , H01S3/10092 , H01S3/105 , H01S3/1066 , H01S3/115 , H01S3/121 , H01S3/127 , H01S3/2232 , H01S3/2316 , H01S3/2325 , H01S3/2383 , H05G2/008
摘要： An LPP EUV light source is disclosed having an optic positioned in the plasma chamber for reflecting EUV light generated therein and a laser input window. For this aspect, the EUV light source may be configured to expose the optic to a gaseous etchant pressure for optic cleaning while the window is exposed to a lower gaseous etchant pressure to avoid window coating deterioration. In another aspect, an EUV light source may comprise a target material positionable along a beam path to participate in a first interaction with light on the beam path; an optical amplifier; and at least one optic directing photons scattered from the first interaction into the optical amplifier to produce a laser beam on the beam path for a subsequent interaction with the target material to produce an EUV light emitting plasma.
摘要翻译： 公开了一种LPP EUV光源，其具有位于等离子体室中的光学器件，用于反射在其中产生的EUV光和激光输入窗口。 对于该方面，EUV光源可以被配置为将窗口暴露于更低的气体蚀刻剂压力以将窗口暴露于气体蚀刻剂压力以进行光学清洁，以避免窗口涂层变质。 在另一方面，EUV光源可以包括沿着光束路径定位以参与与光束路径上的光的第一相互作用的目标材料; 光放大器; 以及至少一个光导向光子从第一相互作用散射到光放大器中以在光束路径上产生激光束，用于随后与目标材料的相互作用以产生EUV发光等离子体。
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23.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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24.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：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：US20110192995A1
公开(公告)日：2011-08-11
申请号：US13087207
申请日：2011-04-14
IPC分类号： H05G2/00
摘要： An apparatus and method is disclosed which includes or employs an EUV light source comprising a laser device outputting a laser beam, a beam delivery system directing the laser beam to an irradiation site, and a material for interaction with the laser beam at the irradiation site to create an EUV light emitting plasma for use in processing substrates.
摘要翻译： 公开了一种装置和方法，其包括或使用包括输出激光束的激光装置的EUV光源，将激光束引导到照射部位的光束传递系统，以及用于在照射部位与激光束相互作用的材料 创建用于处理衬底的EUV发光等离子体。
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公开(公告)号：US07928417B2
公开(公告)日：2011-04-19
申请号：US12288970
申请日：2008-10-24
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100μm的EUV目标液滴在所涉及的几何形状的约束条件下是不实际的 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：US07655925B2
公开(公告)日：2010-02-02
申请号：US11897644
申请日：2007-08-31
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.
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公开(公告)号：US07439530B2
公开(公告)日：2008-10-21
申请号：US11174299
申请日：2005-06-29
IPC分类号： G01J1/00
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 if 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，该激光器具有在有效等离子体产生能量的情况下聚焦在小于约100mum的EUV目标液滴上，如果在所涉及的几何形状的约束条件下 聚焦镜头。 驱动激光器可以包括CO 2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：US20080087847A1
公开(公告)日：2008-04-17
申请号：US11580414
申请日：2006-10-13
IPC分类号： G01J3/10
CPC分类号： H05G2/003 , G03F7/70033 , H01S3/0064 , H01S3/073 , H01S3/0805 , H01S3/08054 , H01S3/08059 , H01S3/083 , H01S3/10092 , H01S3/105 , H01S3/1066 , H01S3/115 , H01S3/121 , H01S3/127 , H01S3/2232 , H01S3/2316 , H01S3/2325 , H01S3/2383 , H05G2/008
摘要： An LPP EUV light source is disclosed having an optic positioned in the plasma chamber for reflecting EUV light generated therein and a laser input window. For this aspect, the EUV light source may be configured to expose the optic to a gaseous etchant pressure for optic cleaning while the window is exposed to a lower gaseous etchant pressure to avoid window coating deterioration. In another aspect, an EUV light source may comprise a target material positionable along a beam path to participate in a first interaction with light on the beam path; an optical amplifier; and at least one optic directing photons scattered from the first interaction into the optical amplifier to produce a laser beam on the beam path for a subsequent interaction with the target material to produce an EUV light emitting plasma.
摘要翻译： 公开了一种LPP EUV光源，其具有位于等离子体室中的光学器件，用于反射在其中产生的EUV光和激光输入窗口。 对于该方面，EUV光源可以被配置为将窗口暴露于更低的气体蚀刻剂压力以将窗口暴露于气体蚀刻剂压力以进行光学清洁，以避免窗口涂层变质。 在另一方面，EUV光源可以包括沿着光束路径定位以参与与光束路径上的光的第一相互作用的目标材料; 光放大器; 以及至少一个光导向光子从第一相互作用散射到光放大器中以在光束路径上产生激光束，用于随后与目标材料的相互作用以产生EUV发光等离子体。
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