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1. 发明授权

US07812329B2 System managing gas flow between chambers of an extreme ultraviolet (EUV) photolithography apparatus 有权
标题翻译：系统管理极紫外（EUV）光刻设备的腔室之间的气流
公开(公告)号：US07812329B2
公开(公告)日：2010-10-12
申请号：US12002073
申请日：2007-12-14
申请人： Alexander N. Bykanov , David C. Brandt , Igor V. Fomenkov , William N. Partlo
发明人： Alexander N. Bykanov , David C. Brandt , Igor V. Fomenkov , William N. Partlo
IPC分类号： G21K5/00
CPC分类号： H05G2/003 , G03F7/70033 , G03F7/70808 , G03F7/70841 , G03F7/70908 , G03F7/70916
摘要： A gas flow management system may comprise a first and second enclosing walls at least partially surrounding first and second respective spaces; a system generating plasma in the first space, the plasma emitting extreme ultraviolet light; an elongated body restricting flow from the first space to the second space, the body at least partially surrounding a passageway and having a first open end allowing EUV light to enter the passageway from the first space and a second open end allowing EUV light to exit the passageway into the second space, the body shaped to establish a location having a reduced cross-sectional area relative to the first and second ends; and a flow of gas exiting an aperture, the aperture positioned to introduce gas into the passageway at a position between the first end of the body and the location having a reduced cross-sectional area.
摘要翻译：气体流量管理系统可以包括至少部分地围绕第一和第二相应空间的第一和第二封闭壁; 在第一空间中产生等离子体的系统，等离子体发射极紫外光; 限制从第一空间流到第二空间的细长体，所述主体至少部分地围绕通道并且具有允许EUV光从第一空间进入通道的第一开口端，以及允许EUV光从第二空间退出的第二开口端通道进入第二空间，身体形状以建立相对于第一和第二端具有减小的横截面面积的位置; 以及离开孔的气流，所述孔定位成在主体的第一端和具有减小的横截面积的位置之间的位置处将气体引入通道。

2. 发明授权

US07671349B2 Laser produced plasma EUV light source 有权
标题翻译：激光产生等离子体EUV光源
公开(公告)号：US07671349B2
公开(公告)日：2010-03-02
申请号：US11786145
申请日：2007-04-10
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
IPC分类号： H04H1/04
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.
摘要翻译：公开了一种可以包括在等离子体位置处产生等离子体的系统，等离子体产生EUV辐射和离开等离子体的离子的装置。该装置还可以包括一个光学元件，例如多个远离现场的多层反射镜，以及设置在等离子体和光学元件之间的流动气体，该气体建立足以在该距离上操作的气体压力， d，在离子到达光学器件之前，将离子能量降低到预先选定的值以下。在一个实施方案中，气体可以包含氢气，并且在一个具体实施方案中，气体可以包含大于50体积％的氢气。

3. 发明申请

US20090154642A1 System managing gas flow between chambers of an extreme ultraviolet (EUV) photolithography apparatus 有权
标题翻译：系统管理极紫外（EUV）光刻设备的腔室之间的气流
公开(公告)号：US20090154642A1
公开(公告)日：2009-06-18
申请号：US12002073
申请日：2007-12-14
申请人： Alexander N. Bykanov , David C. Brandt , Igor V. Fomenkov , William N. Partlo
发明人： Alexander N. Bykanov , David C. Brandt , Igor V. Fomenkov , William N. Partlo
IPC分类号： G21K5/00
CPC分类号： H05G2/003 , G03F7/70033 , G03F7/70808 , G03F7/70841 , G03F7/70908 , G03F7/70916
摘要： A gas flow management system may comprise a first and second enclosing walls at least partially surrounding first and second respective spaces; a system generating plasma in the first space, the plasma emitting extreme ultraviolet light; an elongated body restricting flow from the first space to the second space, the body at least partially surrounding a passageway and having a first open end allowing EUV light to enter the passageway from the first space and a second open end allowing EUV light to exit the passageway into the second space, the body shaped to establish a location having a reduced cross-sectional area relative to the first and second ends; and a flow of gas exiting an aperture, the aperture positioned to introduce gas into the passageway at a position between the first end of the body and the location having a reduced cross-sectional area.
摘要翻译：气体流量管理系统可以包括至少部分地围绕第一和第二相应空间的第一和第二封闭壁; 在第一空间中产生等离子体的系统，等离子体发射极紫外光; 限制从第一空间流到第二空间的细长体，所述主体至少部分地围绕通道并且具有允许EUV光从第一空间进入通道的第一开口端，以及允许EUV光从第二空间退出的第二开口端通道进入第二空间，身体形状以建立相对于第一和第二端具有减小的横截面面积的位置; 以及离开孔的气流，所述孔定位成在主体的第一端和具有减小的横截面积的位置之间的位置处将气体引入通道。

4. 发明申请

US20100127186A1 Laser produced plasma EUV light source 有权
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
IPC分类号： G21K5/00 , G21K1/06
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.

5. 发明授权

US07518787B2 Drive laser for EUV light source 有权
标题翻译：驱动激光用于EUV光源
公开(公告)号：US07518787B2
公开(公告)日：2009-04-14
申请号：US11452558
申请日：2006-06-14
申请人： Alexander N. Bykanov , Jerzy R. Hoffman , Igor V. Fomenkov , William N. Partlo
发明人： Alexander N. Bykanov , Jerzy R. Hoffman , Igor V. Fomenkov , William N. Partlo
IPC分类号： H01S4/00 , H01S3/22 , H01S3/223
CPC分类号： H01S3/2316 , H01S3/0057 , H01S3/11 , H01S3/2232 , H01S3/225 , H05G1/54 , H05G2/008
摘要： A laser light source is disclosed having a laser oscillator producing an output beam; a first amplifier amplifying the output beam to produce a first amplified beam, and a second amplifier amplifying the first amplified beam to produce a second amplified beam. For the source, the first amplifier may have a gain medium characterized by a saturation energy (Es, 1) and a small signal gain (go, 1); and the second amplifier may have a gain medium characterized by a saturation energy (Es, 2) and a small signal gain (go, 2), with (go, 1)>(go, 2) and (Es, 2)>(Es, 1). In another aspect, a laser oscillator of a laser light source may be a cavity dumped laser oscillator, e.g. a mode-locked laser oscillator, q-switched laser oscillator and may further comprising a temporal pulse stretcher.
摘要翻译：公开了具有产生输出光束的激光振荡器的激光源; 放大所述输出光束以产生第一放大光束的第一放大器，以及放大所述第一放大光束以产生第二放大光束的第二放大器。对于源，第一放大器可以具有以饱和能量（Es，1）和小信号增益（go，1）为特征的增益介质; 并且第二放大器可以具有特征在于饱和能量（Es，2）和小信号增益（go，2）的增益介质，其中（go，1）>（go，2）和（Es，2）>（ Es，1）。在另一方面，激光光源的激光振荡器可以是空腔倾覆的激光振荡器，例如。模式锁定激光振荡器，q切换激光振荡器，并且还可以包括时间脉冲展开器。

6. 发明申请

US20070291350A1 Drive laser for EUV light source 有权
标题翻译：驱动激光用于EUV光源
公开(公告)号：US20070291350A1
公开(公告)日：2007-12-20
申请号：US11452558
申请日：2006-06-14
申请人： Alexander I. Ershov , Alexander N. Bykanov , Jerzy R. Hoffman , Igor V. Fomenkov , William N. Partlo
发明人： Alexander I. Ershov , Alexander N. Bykanov , Jerzy R. Hoffman , Igor V. Fomenkov , William N. Partlo
IPC分类号： H01S3/00
CPC分类号： H01S3/2316 , H01S3/0057 , H01S3/11 , H01S3/2232 , H01S3/225 , H05G1/54 , H05G2/008
摘要： A laser light source is disclosed having a laser oscillator producing an output beam; a first amplifier amplifying the output beam to produce a first amplified beam, and a second amplifier amplifying the first amplified beam to produce a second amplified beam. For the source, the first amplifier may have a gain medium characterized by a saturation energy (Es, 1) and a small signal gain (go, 1); and the second amplifier may have a gain medium characterized by a saturation energy (Es, 2) and a small signal gain (go, 2), with (go, 1)>(go, 2) and (Es, 2)>(Es, 1). In another aspect, a laser oscillator of a laser light source may be a cavity dumped laser oscillator, e.g. a mode-locked laser oscillator, q-switched laser oscillator and may further comprising a temporal pulse stretcher.
摘要翻译：公开了具有产生输出光束的激光振荡器的激光源; 放大所述输出光束以产生第一放大光束的第一放大器，以及放大所述第一放大光束以产生第二放大光束的第二放大器。对于源极，第一放大器可以具有以饱和能量（E S，S 1）和小信号增益（g 1，...）为特征的增益介质; 并且第二放大器可以具有特征在于饱和能量（E SUB，2 N）和小信号增益（g 0，o 2）的增益介质，其中（g < （o，SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB >）。在另一方面，激光光源的激光振荡器可以是空腔倾覆的激光振荡器，例如。模式锁定激光振荡器，q切换激光振荡器，并且还可以包括时间脉冲展开器。

7. 发明申请

US20120223256A1 SYSTEMS AND METHODS FOR OPTICS CLEANING IN AN EUV LIGHT SOURCE 有权
标题翻译：在光源中进行光学清洁的系统和方法
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。

8. 发明授权

US07405416B2 Method and apparatus for EUV plasma source target delivery 有权
标题翻译：用于EUV等离子体源目标传递的方法和装置
公开(公告)号：US07405416B2
公开(公告)日：2008-07-29
申请号：US11067124
申请日：2005-02-25
申请人： J. Martin Algots , Igor V. Fomenkov , Alexander I. Ershov , William N. Partlo , Richard L. Sandstrom , Oscar Hemberg , Alexander N. Bykanov , Dennis W. Cobb
发明人： J. Martin Algots , Igor V. Fomenkov , Alexander I. Ershov , William N. Partlo , Richard L. Sandstrom , Oscar Hemberg , Alexander N. Bykanov , Dennis W. Cobb
IPC分类号： H05G2/00
CPC分类号： H05G2/003 , H05G2/005 , H05G2/006
摘要： An EUV plasma formation target delivery system and method is disclosed which may comprise: a target droplet formation mechanism comprising a magneto-restrictive or electro-restrictive material, a liquid plasma source material passageway terminating in an output orifice; a charging mechanism applying charge to a droplet forming jet stream or to individual droplets exiting the passageway along a selected path; a droplet deflector intermediate the output orifice and a plasma initiation site periodically deflecting droplets from the selected path, a liquid target material delivery mechanism comprising a liquid target material delivery passage having an input opening and an output orifice; an electromotive disturbing force generating mechanism generating a disturbing force within the liquid target material, a liquid target delivery droplet formation mechanism having an output orifice; and/or a wetting barrier around the periphery of the output orifice.
摘要翻译：公开了一种EUV等离子体形成靶递送系统和方法，其可以包括：目标液滴形成机构，其包括磁阻或电子限制材料，终止于输出孔的液体等离子体源材料通道; 将电荷施加到液滴形成喷射流或沿着选定路径离开通道的各个液滴的充电机构; 在输出孔之间的液滴偏转器和等离子体引发位置周期性地偏转来自所选择的路径的液滴;液体靶材料输送机构，包括具有输入开口和输出孔的液体靶材料输送通道; 产生在液体目标材料内的干扰力的电动干扰力产生机构，具有输出孔的液体目标传送液滴形成机构; 和/或围绕输出孔周边的润湿屏障。

9. 发明授权

US08633459B2 Systems and methods for optics cleaning in an EUV light source 有权
标题翻译：在EUV光源中进行光学清洁的系统和方法
公开(公告)号：US08633459B2
公开(公告)日：2014-01-21
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。

10. 发明授权

US07838854B2 Method and apparatus for EUV plasma source target delivery 有权
标题翻译：用于EUV等离子体源目标传递的方法和装置
公开(公告)号：US07838854B2
公开(公告)日：2010-11-23
申请号：US12220560
申请日：2008-07-25
申请人： J. Martin Algots , Igor V. Fomenkov , Alexander I. Ershov , William N. Partlo , Richard L. Sandstrom , Oscar Hemberg , Alexander N. Bykanov , Dennis W. Cobb
发明人： J. Martin Algots , Igor V. Fomenkov , Alexander I. Ershov , William N. Partlo , Richard L. Sandstrom , Oscar Hemberg , Alexander N. Bykanov , Dennis W. Cobb
IPC分类号： H01J35/20
CPC分类号： H05G2/003 , H05G2/005 , H05G2/006
摘要： An EUV plasma formation target delivery system and method is disclosed which may comprise: a target droplet formation mechanism comprising a magneto-restrictive or electro-restrictive material, a liquid plasma source material passageway terminating in an output orifice; a charging mechanism applying charge to a droplet forming jet stream or to individual droplets exiting the passageway along a selected path; a droplet deflector intermediate the output orifice and a plasma initiation site periodically deflecting droplets from the selected path, a liquid target material delivery mechanism comprising a liquid target material delivery passage having an input opening and an output orifice; an electromotive disturbing force generating mechanism generating a disturbing force within the liquid target material, a liquid target delivery droplet formation mechanism having an output orifice; and/or a wetting barrier around the periphery of the output orifice.
摘要翻译：公开了一种EUV等离子体形成靶递送系统和方法，其可以包括：目标液滴形成机构，其包括磁阻或电子限制材料，终止于输出孔的液体等离子体源材料通道; 将电荷施加到液滴形成喷射流或沿着选定路径离开通道的各个液滴的充电机构; 在输出孔之间的液滴偏转器和等离子体引发位置周期性地偏转来自所选择的路径的液滴;液体靶材料输送机构，包括具有输入开口和输出孔的液体靶材料输送通道; 产生在液体目标材料内的干扰力的电动干扰力产生机构，具有输出孔的液体目标传送液滴形成机构; 和/或围绕输出孔周边的润湿屏障。

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