公开(公告)号：US08471227B2

公开(公告)日：2013-06-25

申请号：US13293914

申请日：2011-11-10

申请人： Kouji Kakizaki ,  Shinji Nagai ,  Tatsuya Yanagida

发明人： Kouji Kakizaki ,  Shinji Nagai ,  Tatsuya Yanagida

IPC分类号： G01N21/33 ,  G21K5/02 ,  H05H1/00

摘要： An extreme ultraviolet light source apparatus in which a target material is irradiated with a laser beam and turned into plasma and extreme ultraviolet light is emitted from the plasma may include: a chamber in which the extreme ultraviolet light is generated; an electromagnetic field generation unit for generating at least one of an electric field and a magnetic field inside the chamber; and a cleaning unit for charging and separating debris adhered to an optical element inside the chamber.

公开(公告)号：US20120091893A1

公开(公告)日：2012-04-19

申请号：US13336749

申请日：2011-12-23

申请人： Tatsuya YANAGIDA ,  Akira Endo ,  Hiroshi Komori ,  Shinji Nagai ,  Kouji Kakizaki ,  Tamotsu Abe ,  Hideo Hoshino

发明人： Tatsuya YANAGIDA ,  Akira Endo ,  Hiroshi Komori ,  Shinji Nagai ,  Kouji Kakizaki ,  Tamotsu Abe ,  Hideo Hoshino

IPC分类号： H05H1/46

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70916 ,  H05G2/005 ,  H05G2/008

摘要： In an EUV light source apparatus, a collector mirror is protected from debris damaging a mirror coating. The EUV light source apparatus includes: a chamber in which extreme ultraviolet light is generated; a target supply unit for supplying a target material into the chamber; a plasma generation laser unit for irradiating the target material within the chamber with a plasma generation laser beam to generate plasma; an ionization laser unit for irradiating neutral particles produced at plasma generation with an ionization laser beam to convert the neutral particles into ions; a collector mirror for collecting the extreme ultraviolet light radiated from the plasma; and a magnetic field or electric field forming unit for forming a magnetic field or an electric field within the chamber so as to trap the ions.

摘要翻译： 在EUV光源装置中，集光镜受到保护，不会损坏镜面涂层。 EUV光源装置包括：产生极紫外光的室; 目标供应单元，用于将目标材料供应到所述室中; 等离子体产生激光器单元，用于用等离子体产生激光束照射室内的目标材料以产生等离子体; 电离激光单元，用于用电离激光束照射在等离子体产生时产生的中性粒子，以将中性粒子转化为离子; 用于收集从等离子体辐射的极紫外光的收集镜; 以及用于在室内形成磁场或电场以捕获离子的磁场或电场形成单元。

公开(公告)号：US08558202B2

公开(公告)日：2013-10-15

申请号：US13336749

申请日：2011-12-23

申请人： Tatsuya Yanagida ,  Akira Endo ,  Hiroshi Komori ,  Shinji Nagai ,  Kouji Kakizaki ,  Tamotsu Abe ,  Hideo Hoshino

发明人： Tatsuya Yanagida ,  Akira Endo ,  Hiroshi Komori ,  Shinji Nagai ,  Kouji Kakizaki ,  Tamotsu Abe ,  Hideo Hoshino

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

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70916 ,  H05G2/005 ,  H05G2/008

摘要： In an EUV light source apparatus, a collector mirror is protected from debris damaging a mirror coating. The EUV light source apparatus includes: a chamber in which extreme ultraviolet light is generated; a target supply unit for supplying a target material into the chamber; a plasma generation laser unit for irradiating the target material within the chamber with a plasma generation laser beam to generate plasma; an ionization laser unit for irradiating neutral particles produced at plasma generation with an ionization laser beam to convert the neutral particles into ions; a collector mirror for collecting the extreme ultraviolet light radiated from the plasma; and a magnetic field or electric field forming unit for forming a magnetic field or an electric field within the chamber so as to trap the ions.

公开(公告)号：US20100181503A1

公开(公告)日：2010-07-22

申请号：US12638571

申请日：2009-12-15

申请人： Tatsuya Yanagida ,  Akira Endo ,  Hiroshi Komori ,  Shinji Nagai ,  Kouji Kakizaki ,  Tamotsu Abe ,  Hideo Hoshino

发明人： Tatsuya Yanagida ,  Akira Endo ,  Hiroshi Komori ,  Shinji Nagai ,  Kouji Kakizaki ,  Tamotsu Abe ,  Hideo Hoshino

IPC分类号： G21K5/02

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70916 ,  H05G2/005 ,  H05G2/008

摘要： In an EUV light source apparatus, a collector mirror is protected from debris damaging a mirror coating. The EUV light source apparatus includes: a chamber in which extreme ultraviolet light is generated; a target supply unit for supplying a target material into the chamber; a plasma generation laser unit for irradiating the target material within the chamber with a plasma generation laser beam to generate plasma; an ionization laser unit for irradiating neutral particles produced at plasma generation with an ionization laser beam to convert the neutral particles into ions; a collector mirror for collecting the extreme ultraviolet light radiated from the plasma; and a magnetic field or electric field forming unit for forming a magnetic field or an electric field within the chamber so as to trap the ions.

摘要翻译： 在EUV光源装置中，集光镜受到保护，不会损坏镜面涂层。 EUV光源装置包括：产生极紫外光的室; 目标供应单元，用于将目标材料供应到所述室中; 等离子体产生激光器单元，用于用等离子体产生激光束照射室内的目标材料以产生等离子体; 电离激光单元，用于用电离激光束照射在等离子体产生时产生的中性粒子，以将中性粒子转化为离子; 用于收集从等离子体辐射的极紫外光的收集镜; 以及用于在室内形成磁场或电场以捕获离子的磁场或电场形成单元。

公开(公告)号：US20100140513A1

公开(公告)日：2010-06-10

申请号：US12605113

申请日：2009-10-23

申请人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Tamotsu Abe

发明人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Tamotsu Abe

IPC分类号： G21K5/02

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70175 ,  G03F7/70916 ,  H05G2/006 ,  H05G2/008

摘要： An extreme ultraviolet light source apparatus has a magnetic field generator which generates a magnetic field region around a direction of the magnetic field passing through a plasma region in which a plasma is to be generated and converges charged particles including ion emitted from the plasma region toward the direction of the magnetic field, a first charged particle collector (receiver) mounted at both sides of an axis of the magnetic field in the magnetic field region in order to collect (receive) the charged particles converged by the magnetic field, a target supply unit supplying a target from a nozzle located outside a converging region in which the charged particles are to be converged inside the magnetic field region in an extreme ultraviolet light generating chamber, and a target collector located at a position opposite to the nozzle, the target retrieval portion retrieving a residual target which does not contribute to generation of the plasma.

摘要翻译： 极紫外光源装置具有磁场发生器，该磁场发生器在通过等离子体产生等离子体区域的磁场方向周围产生磁场区域，并将包含从等离子体区域射出的离子的带电粒子向着 磁场方向，安装在磁场区域的磁场轴的两侧的第一带电粒子收集器（接收器），以收集（接收）由磁场收敛的带电粒子;目标供给单元 从位于极紫外光发生室内的磁场区域内的会聚区域的会聚区域的喷嘴和位于与喷嘴相对的位置的目标集合体供给目标，目标取出部 检索对等离子体的产生无贡献的残留目标。

公开(公告)号：US08530870B2

公开(公告)日：2013-09-10

申请号：US13293914

申请日：2011-11-10

申请人： Kouji Kakizaki ,  Shinji Nagai ,  Tatsuya Yanagida

发明人： Kouji Kakizaki ,  Shinji Nagai ,  Tatsuya Yanagida

IPC分类号： G01N21/33 ,  G21K5/02 ,  H05H1/00

CPC分类号： G21K5/00 ,  G03F7/70033 ,  G03F7/70916 ,  H05G2/005 ,  H05G2/008

摘要： An extreme ultraviolet light source apparatus in which a target material is irradiated with a laser beam and turned into plasma and extreme ultraviolet light is emitted from the plasma may include: a chamber in which the extreme ultraviolet light is generated; an electromagnetic field generation unit for generating at least one of an electric field and a magnetic field inside the chamber; and a cleaning unit for charging and separating debris adhered to an optical element inside the chamber.

摘要翻译： 从等离子体射出目标材料被照射激光并变成等离子体和极紫外光的极紫外光源装置可以包括：产生极紫外光的室; 电磁场产生单元，用于产生腔室内的电场和磁场中的至少一个; 以及用于对粘附到腔室内的光学元件的碎屑进行充填和分离的清洁单元。

公开(公告)号：US20120176036A1

公开(公告)日：2012-07-12

申请号：US13419177

申请日：2012-03-13

申请人： Takeshi ASAYAMA ,  Kouji Kakizaki ,  Akira Endo ,  Shinji Nagai

发明人： Takeshi ASAYAMA ,  Kouji Kakizaki ,  Akira Endo ,  Shinji Nagai

IPC分类号： H05H1/46

CPC分类号： H05G2/008 ,  H05G2/003 ,  H05G2/005

摘要： An extreme ultraviolet light source apparatus generating an extreme ultraviolet light from plasma generated by irradiating a target material with a laser light within a chamber, and controlling a flow of ions generated together with the extreme ultraviolet light using a magnetic field or an electric field, the extreme ultraviolet light source apparatus comprises an ion collector device collecting the ion via an aperture arranged at a side of the chamber, and an interrupting mechanism interrupting movement of a sputtered particle in a direction toward the aperture, the sputtered particle generated at an ion collision surface collided with the ion in the ion collector device.

摘要翻译： 一种极紫外光源装置，通过在室内产生通过用激光照射目标材料而产生的等离子体的极紫外光，并且利用磁场或电场来控制与极紫外光一起产生的离子的流动， 极紫外光源装置包括离子收集器装置，该离子收集器装置通过布置在腔室一侧的孔收集离子，以及中断机构阻止溅射颗粒朝向孔的方向移动，溅射粒子在离子碰撞面 与离子收集器装置中的离子相撞。

公开(公告)号：US07999241B2

公开(公告)日：2011-08-16

申请号：US12605113

申请日：2009-10-23

申请人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Tamotsu Abe

发明人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Tamotsu Abe

IPC分类号： G21K5/02 ,  H01J17/26

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70175 ,  G03F7/70916 ,  H05G2/006 ,  H05G2/008

摘要： An extreme ultraviolet light source apparatus has a magnetic field generator which generates a magnetic field region around a direction of the magnetic field passing through a plasma region in which a plasma is to be generated and converges charged particles including ion emitted from the plasma region toward the direction of the magnetic field, a first charged particle collector (receiver) mounted at both sides of an axis of the magnetic field in the magnetic field region in order to collect (receive) the charged particles converged by the magnetic field, a target supply unit supplying a target from a nozzle located outside a converging region in which the charged particles are to be converged inside the magnetic field region in an extreme ultraviolet light generating chamber, and a target collector located at a position opposite to the nozzle, the target retrieval portion retrieving a residual target which does not contribute to generation of the plasma.

摘要翻译： 极紫外光源装置具有磁场发生器，该磁场发生器在通过等离子体产生等离子体区域的磁场方向周围产生磁场区域，并将包含从等离子体区域射出的离子的带电粒子向着 磁场方向，安装在磁场区域的磁场轴的两侧的第一带电粒子收集器（接收器），以收集（接收）由磁场收敛的带电粒子;目标供给单元 从位于极紫外光发生室内的磁场区域内的会聚区域的会聚区域的喷嘴和位于与喷嘴相对的位置的目标集合体供给目标，目标取出部 检索对等离子体的产生无贡献的残留目标。

公开(公告)号：US20100108918A1

公开(公告)日：2010-05-06

申请号：US12605725

申请日：2009-10-26

申请人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Hiroshi Sobukawa ,  Takeshi Murakami ,  Masahiro Inoue

发明人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Hiroshi Sobukawa ,  Takeshi Murakami ,  Masahiro Inoue

IPC分类号： G21K5/00

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70858 ,  G03F7/70916 ,  G03F7/70983 ,  H05G2/005

摘要： An extreme ultraviolet light source apparatus comprises a target supply unit supplying a target into a vacuum chamber, a laser oscillator outputting a laser light into the vacuum chamber, a collector mirror outputting an extreme ultraviolet light outside by reflecting the extreme ultraviolet light emitted from the target being ionized as a plasma by irradiation with the laser light at a plasma luminescence point in the vacuum chamber, and an ion debris removal unit at least a part of which is located in an obscuration region including the plasma luminescence point.

摘要翻译： 极紫外光源装置包括将目标供给到真空室中的目标供给单元，将激光输出到真空室中的激光振荡器，通过反射从目标发射的极紫外光而向外部输出极紫外光的集光镜 通过在真空室中的等离子体发光点用激光照射等离子体，以及离子碎片去除单元，其至少一部分位于包括等离子体发光点的遮蔽区域中。

公开(公告)号：US08530869B2

公开(公告)日：2013-09-10

申请号：US13184047

申请日：2011-07-15

申请人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Hiroshi Sobukawa ,  Takeshi Murakami ,  Masahiro Inoue

发明人： Shinji Nagai ,  Takanobu Ishihara ,  Kouji Kakizaki ,  Hiroshi Sobukawa ,  Takeshi Murakami ,  Masahiro Inoue

IPC分类号： A61N5/06 ,  G01N21/64 ,  G01J3/10

CPC分类号： H05G2/003 ,  G03F7/70033 ,  G03F7/70858 ,  G03F7/70916 ,  G03F7/70983 ,  H05G2/005

摘要： An extreme ultraviolet light source apparatus comprises a target supply unit supplying a target into a vacuum chamber, a laser oscillator outputting a laser light into the vacuum chamber, a collector mirror outputting an extreme ultraviolet light outside by reflecting the extreme ultraviolet light emitted from the target being ionized as a plasma by irradiation with the laser light at a plasma luminescence point in the vacuum chamber, and an ion debris removal unit at least a part of which is located in an obscuration region including the plasma luminescence point.

摘要翻译： 极紫外光源装置包括将目标供给到真空室中的目标供给单元，将激光输出到真空室中的激光振荡器，通过反射从目标发射的极紫外光而向外部输出极紫外光的集光镜 通过在真空室中的等离子体发光点用激光照射等离子体，以及离子碎片去除单元，其至少一部分位于包括等离子体发光点的遮蔽区域中。