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    Drive laser for EUV light source
    3.
    发明申请
    Drive laser for EUV light source 有权
    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。

    Method and apparatus for EUV plasma source target delivery
    6.
    发明授权
    Method and apparatus for EUV plasma source target delivery 有权
    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。

    Method and apparatus for EUV plasma source target delivery
    7.
    发明授权
    Method and apparatus for EUV plasma source target delivery 有权
    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。

    Laser produced plasma EUV light source
    9.
    发明授权
    Laser produced plasma EUV light source 有权
    激光产生等离子体EUV光源

    公开(公告)号：US08035092B2

    公开(公告)日：2011-10-11

    申请号：US12655987

    申请日：2010-01-11

    申请人： Alexander N. Bykanov ,  Norbert Bowering ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  Oleh Khodykin

    发明人： Alexander N. Bykanov ,  Norbert Bowering ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  Oleh Khodykin

    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。

    Drive laser delivery systems for euv light source
    10.
    发明申请
    Drive laser delivery systems for euv light source 有权
    驱动用于euv光源的激光输送系统

    公开(公告)号：US20090267005A1

    公开(公告)日：2009-10-29

    申请号：US12322669

    申请日：2009-02-04

    申请人： Alexander N. Bykanov ,  Igor V. Fomenkov ,  Oleh Khodykin ,  Alexander I. Ershov

    发明人： Alexander N. Bykanov ,  Igor V. Fomenkov ,  Oleh Khodykin ,  Alexander I. Ershov

    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。