公开(公告)号：US08288743B2

公开(公告)日：2012-10-16

申请号：US12406388

申请日：2009-03-18

申请人： Yoshifumi Ueno ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Akira Sumitani ,  Hideo Hoshino ,  Akira Endo ,  Georg Soumagne

发明人： Yoshifumi Ueno ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Akira Sumitani ,  Hideo Hoshino ,  Akira Endo ,  Georg Soumagne

IPC分类号： B01D59/44

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70858 ,  G03F7/70916 ,  G03F7/70983 ,  G21K1/093 ,  G21K2201/00 ,  H05G2/005 ,  H05G2/008

摘要： An ion withdrawal apparatus that withdraws ions emitted from a plasma in an EUV light production apparatus in which a target at an EUV light production point is irradiated with laser light to be made in a plasma state and the target emits EUV light, the ion withdrawal apparatus which includes: a collector mirror that is disposed in a direction opposite to a laser light incidence direction to collect the EUV light and has a hole for the ions to pass therethrough; magnetic line of force production means that produces a magnetic line of force that is parallel or approximately parallel to the laser light incidence direction at or in the vicinity of the EUV light production point; and ion withdrawal means that is disposed on the opposite side of the collector mirror from the EUV light production point and withdraws the ions.

摘要翻译： 一种离子提取装置，其在EUV光产生装置中从在等离子体状态的激光照射EUV光产生点的靶，并且靶射出EUV光的EUV光产生装置中，从等离子体发射的离子， 其包括：收集器反射镜，其设置在与激光入射方向相反的方向上以收集EUV光，并具有用于离子通过的孔; 磁力线产生装置意味着产生在EUV光产生点处或附近平行或近似平行于激光入射方向的磁力线; 以及离开收集反射镜与EUV光产生点相反的一侧的离子提取装置，并且离子退出。

公开(公告)号：US08492738B2

公开(公告)日：2013-07-23

申请号：US13465108

申请日：2012-05-07

申请人： Yoshifumi Ueno ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Akira Sumitani ,  Hideo Hoshino ,  Akira Endo ,  Georg Soumagne

发明人： Yoshifumi Ueno ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Akira Sumitani ,  Hideo Hoshino ,  Akira Endo ,  Georg Soumagne

IPC分类号： H01J1/50

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70858 ,  G03F7/70916 ,  G03F7/70983 ,  G21K1/093 ,  G21K2201/00 ,  H05G2/005 ,  H05G2/008

摘要： An ion withdrawal apparatus that withdraws ions emitted from a plasma in an EUV light production apparatus in which a target at an EUV light production point is irradiated with laser light to be made in a plasma state and the target emits EUV light, the ion withdrawal apparatus which includes: a collector mirror that is disposed in a direction opposite to a laser light incidence direction to collect the EUV light and has a hole for the ions to pass therethrough; magnetic line of force production means that produces a magnetic line of force that is parallel or approximately parallel to the laser light incidence direction at or in the vicinity of the EUV light production point; and ion withdrawal means that is disposed on the opposite side of the collector mirror from the EUV light production point and withdraws the ions.

摘要翻译： 一种离子提取装置，其在EUV光产生装置中从在等离子体状态的激光照射EUV光产生点的靶，并且靶射出EUV光的EUV光产生装置中，从等离子体发射的离子， 其包括：收集器反射镜，其设置在与激光入射方向相反的方向上以收集EUV光，并具有用于离子通过的孔; 磁力线产生装置意味着产生在EUV光产生点处或附近平行或近似平行于激光入射方向的磁力线; 以及离开收集反射镜与EUV光产生点相反的一侧的离子提取装置，并且离子退出。

公开(公告)号：US08507883B2

公开(公告)日：2013-08-13

申请号：US12559977

申请日：2009-09-15

申请人： Akira Endo ,  Hideo Hoshino ,  Kouji Kakizaki ,  Tamotsu Abe ,  Akira Sumitani ,  Takanobu Ishihara ,  Shinji Nagai ,  Osamu Wakabayashi ,  Hakaru Mizoguchi

发明人： Akira Endo ,  Hideo Hoshino ,  Kouji Kakizaki ,  Tamotsu Abe ,  Akira Sumitani ,  Takanobu Ishihara ,  Shinji Nagai ,  Osamu Wakabayashi ,  Hakaru Mizoguchi

IPC分类号： G21G4/00

CPC分类号： H05G2/003 ,  H05G2/008

摘要： An extreme ultraviolet light source apparatus provided with a magnetic field forming unit having sufficient capability of protection against ions radiated from plasma while using a relatively small magnetic source. The apparatus includes: a target nozzle for injecting a target material; a driver laser for applying a laser beam to the target material to generate plasma; a collector mirror for collecting extreme ultraviolet light radiated from the plasma; and a magnetic field forming unit including at least one magnetic source and at least one magnetic material having two leading end parts projecting from the at least one magnetic source to face each other with a plasma emission point in between, and forming a magnetic field between a trajectory of the target material and the collector mirror.

摘要翻译： 一种极紫外光源装置，其具有磁场形成单元，该磁场形成单元在使用相对较小的磁源时具有足够的抵抗从等离子体辐射的离子的能力。 该装置包括：用于注射目标材料的目标喷嘴; 用于将激光束施加到目标材料以产生等离子体的驱动激光器; 用于收集从等离子体辐射的极紫外光的收集镜; 以及磁场形成单元，其包括至少一个磁源和至少一个磁性材料，所述至少一个磁性材料具有从所述至少一个磁源突出的两个前端部分，其间具有等离子体发射点，并在其之间形成磁场 目标材料和收集镜的轨迹。

公开(公告)号：US08481984B2

公开(公告)日：2013-07-09

申请号：US12482796

申请日：2009-06-11

申请人： Masato Moriya ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Takashi Suganuma ,  Akira Endo ,  Akira Sumitani

发明人： Masato Moriya ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Takashi Suganuma ,  Akira Endo ,  Akira Sumitani

IPC分类号： G21K5/00

摘要： An extreme ultraviolet light source apparatus using a spectrum purity filter capable of obtaining EUV light with high spectrum purity. The apparatus includes a chamber; a target supply unit for supplying a target material; a driver laser using a laser gas containing a carbon dioxide gas as a laser medium, for applying a laser beam to the target material to generate plasma; a collector mirror for collecting and outputting the extreme ultraviolet light radiated from the plasma; and a spectrum purity filter provided in an optical path of the extreme ultraviolet light, for transmitting the extreme ultraviolet light and reflecting the laser beam, the spectrum purity filter including a mesh having electrical conductivity and formed with an arrangement of apertures having a pitch not larger than a half of a shortest wavelength of the laser beam applied by the driver laser.

公开(公告)号：US08536551B2

公开(公告)日：2013-09-17

申请号：US12482796

申请日：2009-06-11

申请人： Masato Moriya ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Takashi Suganuma ,  Akira Endo ,  Akira Sumitani

发明人： Masato Moriya ,  Osamu Wakabayashi ,  Tamotsu Abe ,  Takashi Suganuma ,  Akira Endo ,  Akira Sumitani

IPC分类号： G21K5/00

CPC分类号： G21K5/04 ,  G03F7/70191 ,  G03F7/70575 ,  G03F7/70858 ,  G03F7/70941 ,  G21K1/10 ,  H05G2/005 ,  H05G2/008

摘要： An extreme ultraviolet light source apparatus using a spectrum purity filter capable of obtaining EUV light with high spectrum purity. The apparatus includes a chamber; a target supply unit for supplying a target material; a driver laser using a laser gas containing a carbon dioxide gas as a laser medium, for applying a laser beam to the target material to generate plasma; a collector mirror for collecting and outputting the extreme ultraviolet light radiated from the plasma; and a spectrum purity filter provided in an optical path of the extreme ultraviolet light, for transmitting the extreme ultraviolet light and reflecting the laser beam, the spectrum purity filter including a mesh having electrical conductivity and formed with an arrangement of apertures having a pitch not larger than a half of a shortest wavelength of the laser beam applied by the driver laser.

摘要翻译： 一种使用能够获得高光谱纯度的EUV光的光谱纯度滤光片的极紫外光源装置。 该装置包括一个室; 用于提供目标材料的目标供应单元; 使用包含二氧化碳气体的激光气体作为激光介质的激光激光器，用于向目标材料施加激光以产生等离子体; 用于收集和输出从等离子体辐射的极紫外光的收集器反射镜; 以及设置在极紫外光的光路中的光谱纯度滤光片，用于透射极紫外光并反射激光束，光谱纯度滤光器包括具有导电性的网格，并且形成为具有间距不大的孔 超过由驱动器激光器施加的激光束的最短波长的一半。

公开(公告)号：US08000361B2

公开(公告)日：2011-08-16

申请号：US12382109

申请日：2009-03-09

申请人： Tamotsu Abe ,  Hideo Hoshino ,  Akira Endo ,  Osamu Wakabayashi ,  Kouji Kakizaki

发明人： Tamotsu Abe ,  Hideo Hoshino ,  Akira Endo ,  Osamu Wakabayashi ,  Kouji Kakizaki

IPC分类号： H01S3/00 ,  H01S3/22

CPC分类号： H01S3/2316 ,  H01S3/076 ,  H01S3/10007 ,  H01S3/2232

摘要： The higher efficiency and lower power consumption are realized in a laser system for generating a high-power short-pulse laser beam. The laser system includes a laser oscillator for generating a pulse laser beam by laser oscillation, plural amplifiers for sequentially inputting the pulse laser beam generated by the laser oscillator and amplifying the pulse laser beam, and a control unit for controlling the laser oscillator to perform burst oscillation and halting an amplification operation of at least one of the plural amplifiers in a burst halt period between burst oscillation periods.

摘要翻译： 在用于产生大功率短脉冲激光束的激光系统中实现更高的效率和更低的功率消耗。 激光系统包括用于通过激光振荡产生脉冲激光束的激光振荡器，用于顺序地输入由激光振荡器产生的脉冲激光束并放大脉冲激光束的多个放大器，以及用于控制激光振荡器进行突发的控制单元 在突发振荡周期之间的突发停止时段中振荡并停止多个放大器中的至少一个的放大操作。

公开(公告)号：US20090232171A1

公开(公告)日：2009-09-17

申请号：US12382109

申请日：2009-03-09

申请人： Tamotsu Abe ,  Hideo Hoshino ,  Akira Endo ,  Osamu Wakabayashi ,  Kouji Kakizaki

发明人： Tamotsu Abe ,  Hideo Hoshino ,  Akira Endo ,  Osamu Wakabayashi ,  Kouji Kakizaki

IPC分类号： H01S3/10

CPC分类号： H01S3/2316 ,  H01S3/076 ,  H01S3/10007 ,  H01S3/2232

摘要： The higher efficiency and lower power consumption are realized in a laser system for generating a high-power short-pulse laser beam. The laser system includes a laser oscillator for generating a pulse laser beam by laser oscillation, plural amplifiers for sequentially inputting the pulse laser beam generated by the laser oscillator and amplifying the pulse laser beam, and a control unit for controlling the laser oscillator to perform burst oscillation and halting an amplification operation of at least one of the plural amplifiers in a burst halt period between burst oscillation periods.

摘要翻译： 在用于产生大功率短脉冲激光束的激光系统中实现更高的效率和更低的功率消耗。 激光系统包括用于通过激光振荡产生脉冲激光束的激光振荡器，用于顺序地输入由激光振荡器产生的脉冲激光束并放大脉冲激光束的多个放大器，以及用于控制激光振荡器进行突发的控制单元 在突发振荡周期之间的突发停止时段中振荡并停止多个放大器中的至少一个的放大操作。

公开(公告)号：US20110261844A1

公开(公告)日：2011-10-27

申请号：US13176483

申请日：2011-07-05

申请人： Tamotsu ABE ,  Hideo Hoshino ,  Akira Endo ,  Osamu Wakabayashi ,  Kouji Kakizaki

发明人： Tamotsu ABE ,  Hideo Hoshino ,  Akira Endo ,  Osamu Wakabayashi ,  Kouji Kakizaki

IPC分类号： H01S3/10

CPC分类号： H01S3/2316 ,  H01S3/076 ,  H01S3/10007 ,  H01S3/2232

摘要： The higher efficiency and lower power consumption are realized in a laser system for generating a high-power short-pulse laser beam. The laser system includes a laser oscillator for generating a pulse laser beam by laser oscillation, plural amplifiers for sequentially inputting the pulse laser beam generated by the laser oscillator and amplifying the pulse laser beam, and a control unit for controlling the laser oscillator to perform burst oscillation and halting an amplification operation of at least one of the plural amplifiers in a burst halt period between burst oscillation periods.

摘要翻译： 在用于产生大功率短脉冲激光束的激光系统中实现更高的效率和更低的功率消耗。 激光系统包括用于通过激光振荡产生脉冲激光束的激光振荡器，用于顺序地输入由激光振荡器产生的脉冲激光束并放大脉冲激光束的多个放大器，以及用于控制激光振荡器进行突发的控制单元 在突发振荡周期之间的突发停止时段中振荡并停止多个放大器中的至少一个的放大操作。

公开(公告)号：US08513630B2

公开(公告)日：2013-08-20

申请号：US13274991

申请日：2011-10-17

申请人： Yoshifumi Ueno ,  Georg Soumagne ,  Shinji Nagai ,  Akira Endo ,  Tatsuya Yanagida

发明人： Yoshifumi Ueno ,  Georg Soumagne ,  Shinji Nagai ,  Akira Endo ,  Tatsuya Yanagida

IPC分类号： H05G2/00 ,  G01J3/10

CPC分类号： H05G2/003 ,  H05G2/008

摘要： In an extreme ultraviolet light source apparatus generating an extreme ultraviolet light from a plasma generated by irradiating a target, which is a droplet D of molten Sn, with a laser light, and controlling the flow direction of ion generated at the generation of the extreme ultraviolet light by a magnetic field or an electric field, an ion collection cylinder 20 is arranged for collecting the ion, and ion collision surfaces Sa and Sb of the ion collection cylinder 20 are provided with or coated with Si, which is a metal whose sputtering rate with respect to the ion is less than one atom/ion.

摘要翻译： 在极紫外光源装置中，通过用激光照射作为熔融Sn的液滴D而产生的等离子体产生极紫外光，并且控制在产生极紫外光时产生的离子的流动方向 通过磁场或电场照射光，离子收集筒20被布置成用于收集离子，离子收集筒20的离子碰撞表面Sa和Sb设置有或涂覆有Si，溅射速率 相对于离子小于一个原子/离子。

公开(公告)号：US20120097869A1

公开(公告)日：2012-04-26

申请号：US13274991

申请日：2011-10-17

申请人： Yoshifumi Ueno ,  Georg Soumagne ,  Shiniji Nagai ,  Akira Endo ,  Tatsuya Yanagida

发明人： Yoshifumi Ueno ,  Georg Soumagne ,  Shiniji Nagai ,  Akira Endo ,  Tatsuya Yanagida

IPC分类号： G01J3/10

CPC分类号： H05G2/003 ,  H05G2/008

摘要： In an extreme ultraviolet light source apparatus generating an extreme ultraviolet light from a plasma generated by irradiating a target, which is a droplet D of molten Sn, with a laser light, and controlling the flow direction of ion generated at the generation of the extreme ultraviolet light by a magnetic field or an electric field, an ion collection cylinder 20 is arranged for collecting the ion, and ion collision surfaces Sa and Sb of the ion collection cylinder 20 are provided with or coated with Si, which is a metal whose sputtering rate with respect to the ion is less than one atom/ion.

摘要翻译： 在极紫外光源装置中，通过用激光照射作为熔融Sn的液滴D而产生的等离子体产生极紫外光，并且控制在产生极紫外光时产生的离子的流动方向 通过磁场或电场照射光，离子收集筒20被布置成用于收集离子，离子收集筒20的离子碰撞表面Sa和Sb设置有或涂覆有Si，溅射速率 相对于离子小于一个原子/离子。