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    Extreme ultraviolet light source apparatus
    2.
    发明申请
    Extreme ultraviolet light source apparatus 有权
    极紫外光源设备

    公开(公告)号：US20100171049A1

    公开(公告)日：2010-07-08

    申请号：US12382964

    申请日：2009-03-27

    申请人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    发明人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    IPC分类号： H05G2/00 ,  G01N21/00

    CPC分类号： H05G2/003 ,  H05G2/008

    摘要： An EUV light source apparatus can reliably detect and accurately judge deterioration of an optical element in a laser beam focusing optics disposed within an EUV light generation chamber. This EUV light source apparatus includes: the EUV light generation chamber; a target material supply unit; an EUV light collector mirror; a driver laser; a window; a parabolic mirror which focuses collimated laser beam by reflection and is disposed within the EUV light generation chamber; an energy detector detecting energy of the laser beam diffused without being applied to a target material after being focused by the laser beam focusing optics when the EUV light is not generated; and a processing unit for judging the deterioration of the window and the parabolic mirror according to the laser beam energy detected by the energy detector.

    摘要翻译： EUV光源装置可以可靠地检测并准确地判断设置在EUV光生成室内的激光束聚焦光学元件中的光学元件的劣化。 该EUV光源装置包括：EUV光产生室; 目标材料供应单位; EUV集光镜; 驱动激光器 一个窗口; 抛物面镜，其通过反射聚焦准直激光束并设置在EUV光产生室内; 能量检测器，当不产生EUV光时，检测在被激光束聚焦光学器件聚焦之后不会施加到目标材料上的激光束的能量扩散; 以及处理单元，用于根据由能量检测器检测的激光束能量来判断窗口和抛物面镜的劣化。

    Extreme ultra violet light source apparatus
    3.
    发明申请
    Extreme ultra violet light source apparatus 有权
    极紫外光源装置

    公开(公告)号：US20080073598A1

    公开(公告)日：2008-03-27

    申请号：US11902596

    申请日：2007-09-24

    申请人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani

    发明人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani

    IPC分类号： H05G2/00

    CPC分类号： H05G2/001

    摘要： An EUV light source apparatus capable of preventing the efficiency of generation of EUV light from decreasing due to deterioration of a window of an EUV light generation chamber. The EUV light source apparatus includes an EUV light generation chamber provided with a window, a driver laser which generates a laser beam, a concave lens which enlarges the laser beam, a convex lens which collimates the enlarged laser beam, a parabolic concave mirror which is arranged in the EUV light generation chamber and reflects the collimated laser beam to collect the laser beam to a target material, a parabolic concave mirror adjusting mechanism which adjusts position and angle of the parabolic concave mirror, an EUV light collector mirror which collects EUV light, and a purge gas supply unit which supplies a purge gas for protecting the window and the parabolic concave mirror.

    摘要翻译： EUV光源装置能够防止由于EUV光产生室的窗口的劣化导致的EUV光的产生效率降低。 EUV光源装置包括：具有窗口的EUV光产生室，产生激光束的驱动激光器，放大激光束的凹透镜;使激光束准直的凸透镜;抛物面凹面镜; 布置在EUV光产生室中，并且反射准直激光束以将激光束收集到目标材料上，调整抛物面凹面镜的位置和角度的抛物面凹面镜调节机构，收集EUV光的EUV聚光镜， 以及净化气体供给单元，其供给用于保护窗口和抛物面凹面镜的吹扫气体。

    Extreme ultraviolet light source apparatus
    4.
    发明授权
    Extreme ultraviolet light source apparatus 有权
    极紫外光源设备

    公开(公告)号：US08294129B2

    公开(公告)日：2012-10-23

    申请号：US13081899

    申请日：2011-04-07

    申请人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    发明人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    IPC分类号： A61N5/06 ,  G01J3/10 ,  H05G2/00

    CPC分类号： H05G2/003 ,  H05G2/008

    摘要： An EUV light source apparatus can reliably detect and accurately judge deterioration of an optical element in a laser beam focusing optics disposed within an EUV light generation chamber. This EUV light source apparatus includes: the EUV light generation chamber; a target material supply unit; an EUV light collector mirror; a driver laser; a window; a parabolic mirror which focuses collimated laser beam by reflection and is disposed within the EUV light generation chamber; an energy detector detecting energy of the laser beam diffused without being applied to a target material after being focused by the laser beam focusing optics when the EUV light is not generated; and a processing unit for judging the deterioration of the window and the parabolic mirror according to the laser beam energy detected by the energy detector.

    摘要翻译： EUV光源装置可以可靠地检测并准确地判断设置在EUV光产生室内的激光束聚焦光学元件中的光学元件的劣化。 该EUV光源装置包括：EUV光产生室; 目标材料供应单位; EUV集光镜; 驱动激光器 一个窗口; 抛物面镜，其通过反射聚焦准直激光束并设置在EUV光产生室内; 能量检测器，当不产生EUV光时，检测在被激光束聚焦光学器件聚焦之后不会施加到目标材料上的激光束的能量扩散; 以及处理单元，用于根据由能量检测器检测的激光束能量来判断窗口和抛物面镜的劣化。

    Extreme ultra violet light source apparatus
    6.
    发明授权
    Extreme ultra violet light source apparatus 有权
    极紫外光源装置

    公开(公告)号：US07880153B2

    公开(公告)日：2011-02-01

    申请号：US12073001

    申请日：2008-02-28

    申请人： Takashi Suganuma ,  Tamotsu Abe ,  Hiroshi Someya ,  Akira Sumitani

    发明人： Takashi Suganuma ,  Tamotsu Abe ,  Hiroshi Someya ,  Akira Sumitani

    IPC分类号： H05G2/00 ,  G01J1/42

    CPC分类号： G03F7/70916 ,  G03F7/70033

    摘要： An EUV light source apparatus capable of preventing deterioration and/or breakage of a filter for filtering EUV light. The EUV light source apparatus includes an EUV generation chamber in which EUV light is generated; a target material supply unit for supplying a target material into the EUV light generation chamber; a laser source for applying a laser beam to the target material supplied into the EUV light generation chamber to generate plasma; collection optics for collecting EUV light radiated from the plasma; a filter for filtering the EUV light collected by the collection optics; and a filter protecting member provided between the plasma and the filter, for protecting the filter by blocking flying matter flying from the plasma toward the filter.

    摘要翻译： EUV光源装置，能够防止过滤EUV光的过滤器的劣化和/或破损。 EUV光源装置包括产生EUV光的EUV产生室; 目标材料供应单元，用于将目标材料供应到EUV光产生室中; 激光源，用于将激光束施加到提供到EUV光产生室中的目标材料以产生等离子体; 用于收集从等离子体辐射的EUV光的收集光学器件; 用于过滤由收集光学器件收集的EUV光的滤光器; 以及设置在等离子体和过滤器之间的过滤器保护构件，用于通过阻挡从等离子体飞向过滤器的飞散物质来保护过滤器。

    Extreme ultra violet light source apparatus
    8.
    发明授权
    Extreme ultra violet light source apparatus 有权
    极紫外光源装置

    公开(公告)号：US07923705B2

    公开(公告)日：2011-04-12

    申请号：US12385835

    申请日：2009-04-21

    申请人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    发明人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    IPC分类号： G21G4/00

    CPC分类号： G03F7/70891 ,  G03F7/70033 ,  G03F7/7085 ,  G03F7/70883 ,  H05G2/008

    摘要： An EUV light source apparatus capable of easily detecting deterioration etc. of a window of an EUV light generating chamber. The EUV light source apparatus includes a driver laser, an EUV light generating chamber, a window which passes the laser beam into the EUV light generating chamber, an EUV light collector mirror, laser beam focusing optics which focuses a laser beam onto a trajectory of a target material, a temperature sensor which detects a temperature of the window, and a laser beam optics deterioration determination processing unit which determines deterioration of the window based on the temperature of the window detected by the temperature sensor when extreme ultra violet light is generated.

    摘要翻译： EUV光源装置，能够容易地检测EUV光产生室的窗口的劣化等。 EUV光源装置包括驱动激光器，EUV光产生室，将激光束通入EUV光产生室的窗口，EUV聚光镜，激光束聚焦光学器件，其将激光束聚焦到 目标材料，检测窗口的温度的温度传感器，以及激光束光学劣化判定处理单元，其基于当产生极紫外光时由温度传感器检测到的窗口的温度来确定窗口的劣化。

    Extreme ultra violet light source apparatus
    9.
    发明申请
    Extreme ultra violet light source apparatus 有权
    极紫外光源装置

    公开(公告)号：US20100176310A1

    公开(公告)日：2010-07-15

    申请号：US12385835

    申请日：2009-04-21

    申请人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    发明人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani ,  Osamu Wakabayashi

    IPC分类号： H01J99/00

    CPC分类号： G03F7/70891 ,  G03F7/70033 ,  G03F7/7085 ,  G03F7/70883 ,  H05G2/008

    摘要： An EUV light source apparatus capable of easily detecting deterioration etc. of a window of an EUV light generating chamber. The EUV light source apparatus includes a driver laser, an EUV light generating chamber, a window which passes the laser beam into the EUV light generating chamber, an EUV light collector mirror, laser beam focusing optics which focuses a laser beam onto a trajectory of a target material, a temperature sensor which detects a temperature of the window, and a laser beam optics deterioration determination processing unit which determines deterioration of the window based on the temperature of the window detected by the temperature sensor when extreme ultra violet light is generated.

    摘要翻译： EUV光源装置，能够容易地检测EUV光产生室的窗口的劣化等。 EUV光源装置包括驱动激光器，EUV光产生室，将激光束通入EUV光产生室的窗口，EUV聚光镜，激光束聚焦光学器件，其将激光束聚焦到 目标材料，检测窗口的温度的温度传感器，以及激光束光学劣化判定处理单元，其基于当产生极紫外光时由温度传感器检测到的窗口的温度来确定窗口的劣化。

    Extreme ultra violet light source apparatus
    10.
    发明授权
    Extreme ultra violet light source apparatus 有权
    极紫外光源装置

    公开(公告)号：US07683355B2

    公开(公告)日：2010-03-23

    申请号：US11902596

    申请日：2007-09-24

    申请人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani

    发明人： Masato Moriya ,  Tamotsu Abe ,  Takashi Suganuma ,  Hiroshi Someya ,  Takayuki Yabu ,  Akira Sumitani

    IPC分类号： H05G2/00 ,  G21G4/00 ,  A61N5/06 ,  G01J3/10

    CPC分类号： H05G2/001

    摘要： An EUV light source apparatus capable of preventing the efficiency of generation of EUV light from decreasing due to deterioration of a window of an EUV light generation chamber. The EUV light source apparatus includes an EUV light generation chamber provided with a window, a driver laser which generates a laser beam, a concave lens which enlarges the laser beam, a convex lens which collimates the enlarged laser beam, a parabolic concave mirror which is arranged in the EUV light generation chamber and reflects the collimated laser beam to collect the laser beam to a target material, a parabolic concave mirror adjusting mechanism which adjusts position and angle of the parabolic concave mirror, an EUV light collector mirror which collects EUV light, and a purge gas supply unit which supplies a purge gas for protecting the window and the parabolic concave mirror.

    摘要翻译： EUV光源装置能够防止由于EUV光产生室的窗口的劣化导致的EUV光的产生效率降低。 EUV光源装置包括：具有窗口的EUV光产生室，产生激光束的驱动激光器，放大激光束的凹透镜;使激光束准直的凸透镜;抛物面凹面镜; 布置在EUV光产生室中，并且反射准直激光束以将激光束收集到目标材料上，调整抛物面凹面镜的位置和角度的抛物面凹面镜调节机构，收集EUV光的EUV聚光镜， 以及净化气体供给单元，其供给用于保护窗口和抛物面凹面镜的吹扫气体。