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    SYSTEM, METHOD AND APPARATUS FOR ALIGNING AND SYNCHRONIZING TARGET MATERIAL FOR OPTIMUM EXTREME ULTRAVIOLET LIGHT OUTPUT
    42.
    发明申请
    SYSTEM, METHOD AND APPARATUS FOR ALIGNING AND SYNCHRONIZING TARGET MATERIAL FOR OPTIMUM EXTREME ULTRAVIOLET LIGHT OUTPUT 有权
    用于最佳超极紫外光输出的对准和同步目标材料的系统，方法和装置

    公开(公告)号：US20100258750A1

    公开(公告)日：2010-10-14

    申请号：US12725178

    申请日：2010-03-16

    申请人： William N. Partlo ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  Chris C. Chrobak ,  James H. Crouch

    发明人： William N. Partlo ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  Chris C. Chrobak ,  James H. Crouch

    IPC分类号： G21K5/02 ,  G21K5/10

    CPC分类号： H05G2/005 ,  G03F7/70033 ,  G21K5/00 ,  H05G2/003 ,  H05G2/006

    摘要： An extreme ultraviolet light system includes a drive laser system, an extreme ultraviolet light chamber including an extreme ultraviolet light collector and a target material dispenser including a target material outlet capable of outputting a plurality of portions of target material along a target material path, wherein the target material outlet is adjustable. The extreme ultraviolet light system further includes a drive laser steering device, a detection system including at least one detector directed to detect a reflection of the drive laser reflected from the first one of the plurality of portions of target material and a controller coupled to the target material dispenser, the detector system and the drive laser steering device. The controller includes logic for detecting a location of a first one of the plurality of portions of target material from a first light reflected from the first target material and logic for adjusting the target material dispenser outlet to output a subsequent one of the plurality of portions of target material to a waist of the focused drive laser. A method for generating an extreme ultraviolet light is also disclosed. A system and a method for optimizing an extreme ultraviolet light output is also disclosed.

    摘要翻译： 一种极紫外光系统包括驱动激光系统，包括极紫外光收集器的极紫外光室和包括能够沿目标材料路径输出多个目标材料部分的靶材料出口的目标材料分配器，其中， 目标材料出口可调。 所述极紫外光系统还包括驱动激光转向装置，所述检测系统包括至少一个检测器，所述检测器被引导以检测从所述目标材料的所述多个部分中的第一部分反射的所述驱动激光的反射;以及耦合到所述目标的控制器 材料分配器，检测器系统和驱动激光转向装置。 所述控制器包括用于从第一目标材料反射的第一光检测多个目标材料部分中的第一部分的位置的逻辑，以及用于调整目标材料分配器出口的逻辑，以输出多个部分中的后续部分 目标材料到聚焦驱动激光的腰部。 还公开了一种用于产生极紫外光的方法。 还公开了一种用于优化极紫外光输出的系统和方法。

    EUV light source
    44.
    发明授权
    EUV light source 有权
    EUV光源

    公开(公告)号：US07323703B2

    公开(公告)日：2008-01-29

    申请号：US11647007

    申请日：2006-12-27

    申请人： I. Roger Oliver ,  William N. Partlo ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  Norbert Bowering ,  John Viatella ,  David W. Myers

    发明人： I. Roger Oliver ,  William N. Partlo ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  Norbert Bowering ,  John Viatella ,  David W. Myers

    IPC分类号： H01J35/20

    CPC分类号： G03F7/70033 ,  B82Y10/00 ,  G03F7/70175 ,  G03F7/70916 ,  G21K1/062 ,  G21K2201/061 ,  G21K2201/065 ,  G21K2201/067 ,  H05G2/003 ,  H05G2/005 ,  H05G2/006 ,  H05G2/008

    摘要： An apparatus and method is described which may comprise a plasma produced extreme ultraviolet (“EUV”) light source multilayer collector which may comprise a plasma formation chamber; a shell within the plasma formation chamber in the form of a collector shape having a focus; the shell having a sufficient size and thermal mass to carry operating heat away from the multilayer reflector and to radiate the heat from the surface of the shell on a side of the shell opposite from the focus. The material of the shell may comprise a material selected from a group which may comprise silicon carbide, silicon, Zerodur or ULE glass, aluminum, beryllium, molybdenum, copper and nickel. The apparatus and method may comprise at least one radiative heater directed at the shell to maintain the steady state temperature of the shell within a selected range of operating temperatures.

    摘要翻译： 描述了可以包括可以包括等离子体形成室的等离子体产生的极紫外（“EUV”）光源多层收集器的装置和方法; 等离子体形成室内的壳体，具有焦点的收集器形状; 壳体具有足够的尺寸和热质量以将工作热量从多层反射器散开，并且在壳体的与焦点相对的一侧上从壳体的表面辐射热量。 壳的材料可以包括选自可以包括碳化硅，硅，Zerodur或ULE玻璃，铝，铍，钼，铜和镍的组的材料。 装置和方法可以包括指向壳体的至少一个辐射加热器，以将壳体的稳态温度维持在所选择的工作温度范围内。

    Laser system
    45.
    发明授权
    Laser system 有权
    激光系统

    公开(公告)号：US08908735B2

    公开(公告)日：2014-12-09

    申请号：US13231882

    申请日：2011-09-13

    申请人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J. W. Brown ,  Igor V. Fomenkov

    发明人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J. W. Brown ,  Igor V. Fomenkov

    IPC分类号： H01S3/22 ,  H01S3/225 ,  H01S3/08 ,  H01S3/00 ,  H01S3/23 ,  H01S3/083 ,  H01S3/10

    CPC分类号： H01S3/225 ,  H01S3/005 ,  H01S3/0057 ,  H01S3/08004 ,  H01S3/08009 ,  H01S3/083 ,  H01S3/10092 ,  H01S3/2251 ,  H01S3/2258 ,  H01S3/2333 ,  H01S3/2383 ,  H01S2301/02

    摘要： A method and apparatus may comprise a line narrowed pulsed excimer or molecular fluorine gas discharge laser system which may comprise a seed laser oscillator producing an output comprising a laser output light beam of pulses which may comprise a first gas discharge excimer or molecular fluorine laser chamber; a line narrowing module within a first oscillator cavity; a laser amplification stage containing an amplifying gain medium in a second gas discharge excimer or molecular fluorine laser chamber receiving the output of the seed laser oscillator and amplifying the output of the seed laser oscillator to form a laser system output comprising a laser output light beam of pulses, which may comprise a ring power amplification stage.

    摘要翻译： 一种方法和装置可以包括线变窄的脉冲准分子或分子氟气放电激光系统，其可以包括种子激光振荡器，其产生包括可以包括第一气体放电准分子或分子氟激光室的脉冲的激光输出光束的输出; 第一振荡器腔内的线窄模块; 在第二气体放电准分子或分子氟激光室中包含放大增益介质的激光放大级，其接收种子激光振荡器的输出并放大种子激光振荡器的输出，以形成激光系统输出，其包括激光输出光束 脉冲，其可以包括环形功率放大级。

    Laser system
    46.
    发明申请
    Laser system 有权
    激光系统

    公开(公告)号：US20080267242A1

    公开(公告)日：2008-10-30

    申请号：US11981195

    申请日：2007-10-30

    申请人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J.W. Brown ,  Igor V. Fomenkov

    发明人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J.W. Brown ,  Igor V. Fomenkov

    IPC分类号： H01S3/225

    CPC分类号： H01S3/2333 ,  G03F7/70025 ,  G03F7/70041 ,  G03F7/70583 ,  H01S3/005 ,  H01S3/08036 ,  H01S3/08059 ,  H01S3/10092 ,  H01S3/225 ,  H01S3/2251 ,  H01S3/235 ,  H01S2301/02

    摘要： A method/apparatus may comprise operating a line narrowed pulsed excimer or molecular fluorine gas discharge laser system by using a seed laser oscillator to produce an output which may comprise a first gas discharge excimer or molecular fluorine laser chamber; a line narrowing module; a laser amplification stage which may comprise a ring power amplification stage; the method of operation may the steps of: selecting a differential timing between an electrical discharge between a pair of electrodes in the first laser chamber and in the second laser chamber which at the same time keeps ASE below a selected limit and the pulse energy of the laser system output light beam of pulses essentially constant.

    摘要翻译： 方法/装置可以包括通过使用种子激光振荡器来操作线窄的脉冲准分子或分子氟气体放电激光系统，以产生可包括第一气体放电准分子或分子氟激光室的输出; 线缩小模块; 可以包括环功率放大级的激光放大级; 操作方法可以是：选择第一激光室中的一对电极与第二激光室中的一对电极之间的放电之间的差分定时，同时使ASE保持在选定的极限以下，并且脉冲能量 激光系统输出光束的脉冲基本恒定。

    Laser system
    47.
    发明申请
    Laser system 有权
    激光系统

    公开(公告)号：US20080225908A1

    公开(公告)日：2008-09-18

    申请号：US11981449

    申请日：2007-10-30

    申请人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J.W. Brown ,  Igor V. Fomenkov ,  Robert A. Bergstedt

    发明人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J.W. Brown ,  Igor V. Fomenkov ,  Robert A. Bergstedt

    IPC分类号： H01S3/225

    CPC分类号： H01S3/2333 ,  G03F7/70025 ,  G03F7/70041 ,  G03F7/70558 ,  G03F7/70583 ,  H01S3/005 ,  H01S3/08 ,  H01S3/08059 ,  H01S3/105 ,  H01S3/2251 ,  H01S3/235 ,  H01S3/2366

    摘要： An apparatus/method which may comprise a line narrowed pulsed excimer or molecular fluorine gas discharge laser system which may comprise a seed laser oscillator producing an output comprising a seed laser output light beam of pulses which may comprise a first gas discharge excimer or molecular fluorine laser chamber; a line narrowing module within a first oscillator cavity; a laser amplification stage containing an amplifying gain medium in a second gas discharge excimer or molecular fluorine laser chamber receiving the output of the seed laser oscillator and amplifying the output of the seed laser oscillator to form a laser system output comprising a laser system output light beam of pulses, which may comprise a ring power amplification stage; a seed injection mechanism.

    摘要翻译： 可以包括线变窄的脉冲准分子或分子氟气体放电激光系统的装置/方法，其可以包括种子激光振荡器，其产生包括种子激光输出的脉冲光束的输出，所述种子激光输出光束可以包括第一气体放电准分子或分子氟激光 房间 第一振荡器腔内的线窄模块; 在第二气体放电准分子或分子氟激光室中包含放大增益介质的激光放大级，其接收种子激光振荡器的输出并放大种子激光振荡器的输出，以形成激光系统输出，该激光系统输出包括激光系统输出光束 的脉冲，其可以包括环形功率放大级; 种子注射机制。

    EUV light source collector lifetime improvements
    48.
    发明授权
    EUV light source collector lifetime improvements 有权
    EUV光源收集器寿命改善

    公开(公告)号：US07365349B2

    公开(公告)日：2008-04-29

    申请号：US11168190

    申请日：2005-06-27

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

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

    IPC分类号： H01J35/20

    CPC分类号： H05G2/003 ,  B82Y10/00 ,  G03F7/70925 ,  G21K1/062 ,  H05G2/005

    摘要： An apparatus and method for cleaning a plasma source material compound from a plasma produced EUV light source collector optic which may comprise reacting the plasma source material compound with hydrogen to form a hydride of the plasma source material from the plasma source material contained in the plasma source material compound on the collector optic. The method may further comprise initiating the reacting by introducing hydrogen into a plasma formation chamber containing the collector optic, and may further comprise removing the hydride from the collector optic, e.g., by cleaning plasma action and/or plasma source material sputtering, or other means as may be determined to be effective. An apparatus and method of extending the useful life of a plasma produced EUV light source collector coating layer may comprise in situ replacement of the material of the coating layer by deposition of the coating layer material onto the coating layer.

    摘要翻译： 一种用于从等离子体产生的EUV光源收集器光学元件清洗等离子体源材料化合物的装置和方法，其可以包括使等离子体源材料化合物与氢反应以从等离子体源中包含的等离子体源材料形成等离子体源材料的氢化物 收集器光学元件上的材料化合物。 该方法还可以包括通过将氢引入到包含收集器光学元件的等离子体形成室中来引发反应，并且还可以包括例如通过清洗等离子体作用和/或等离子体源材料溅射或其它方法从收集器光学元件中去除氢化物 可能被确定为有效。 延长等离子体产生的EUV光源集电器涂层的使用寿命的装置和方法可包括通过将涂层材料沉积到涂层上来原位置换涂层的材料。

    LPP EUV light source
    49.
    发明授权
    LPP EUV light source 失效
    LPP EUV光源

    公开(公告)号：US07317196B2

    公开(公告)日：2008-01-08

    申请号：US10979919

    申请日：2004-11-01

    申请人： William N. Partlo ,  Daniel J. W. Brown ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  David W. Myers

    发明人： William N. Partlo ,  Daniel J. W. Brown ,  Igor V. Fomenkov ,  Alexander I. Ershov ,  David W. Myers

    IPC分类号： H01J35/20

    CPC分类号： B82Y10/00 ,  G03F7/70033 ,  H05G2/003 ,  H05G2/008

    摘要： An apparatus and method is described for effectively and efficiently providing plasma irradiation laser light pulses in an LPP EUV light source which may comprise a laser initial target irradiation pulse generating mechanism irradiating a plasma initiation target with an initial target irradiation pulse to form an EUV generating plasma having an emission region emitting in-band EUV light; a laser plasma irradiation pulse generating mechanism irradiating the plasma with a plasma irradiation pulse after the initial target irradiation pulse so as to compress emission material in the plasma toward the emission region of the plasma. The plasma irradiation pulse may comprise a laser pulse having a wavelength that is sufficiently longer than a wavelength of the initial target irradiation pulse to have an associated lower critical density resulting in absorption occurring within the plasma in a region of the plasma defined by the wavelength of the plasma irradiation pulse sufficiently separated from an initial target irradiation site to achieve compression of the emission material, and the may compress the emission region. The laser plasma irradiation pulse may produce an aerial mass density in the ablating cloud of the plasma sufficient to confine the favorably emitting plasma for increased conversion efficiency. The deposition region for the plasma irradiation pulse may be is removed enough from the initial target surface so as to insure compression of the favorably emitting plasma. A high conversion efficiency laser produced plasma extreme ultraviolet (“EUV”) light source may comprise a laser initial target irradiation pulse generating mechanism irradiating a plasma initiation target with a target irradiation pulse to form an EUV generating plasma emitting in-band EUV light; a plasma tamper substantially surrounding the plasma to constrain the expansion of the plasma.

    摘要翻译： 描述了一种用于在LPP EUV光源中有效且有效地提供等离子体照射激光脉冲的装置和方法，其可以包括用初始目标照射脉冲照射等离子体引发目标的激光初始靶照射脉冲发生机构以形成产生EUV的等离子体 具有发射带内EUV光的发射区域; 激光等离子体照射脉冲发生机构在初始目标照射脉冲之后用等离子体照射脉冲照射等离子体，以将等离子体中的发射材料压缩到等离子体的发射区域。 等离子体照射脉冲可以包括具有足够长于初始靶照射脉冲的波长的波长的激光脉冲，以具有相关联的较低的临界密度，从而在由等离子体的波长定义的等离子体的区域内的等离子体内发生吸收 等离子体照射脉冲从初始目标照射位置充分分离，以实现发射材料的压缩，并且可以压缩发射区域。 激光等离子体照射脉冲可以在等离子体的消融云中产生足够的空气质量密度以限制有利的发射等离子体以提高转换效率。 可以从初始目标表面去除等离子体照射脉冲的沉积区域，以确保有利地发射等离子体的压缩。 高转换效率的激光产生的等离子体极紫外（“EUV”）光源可以包括激光初始靶照射脉冲发生机构，用目标照射脉冲照射等离子体引发目标，以形成产生EUV的发射等离子体的带内EUV光; 等离子体篡改基本上围绕等离子体以约束等离子体的膨胀。

    Laser System
    50.
    发明申请
    Laser System 有权
    激光系统

    公开(公告)号：US20120002687A1

    公开(公告)日：2012-01-05

    申请号：US13231882

    申请日：2011-09-13

    申请人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J.W. Brown ,  Igor V. Fomenkov

    发明人： Alexander I. Ershov ,  William N. Partlo ,  Daniel J.W. Brown ,  Igor V. Fomenkov

    IPC分类号： H01S3/10

    CPC分类号： H01S3/225 ,  H01S3/005 ,  H01S3/0057 ,  H01S3/08004 ,  H01S3/08009 ,  H01S3/083 ,  H01S3/10092 ,  H01S3/2251 ,  H01S3/2258 ,  H01S3/2333 ,  H01S3/2383 ,  H01S2301/02

    摘要： A method and apparatus may comprise a line narrowed pulsed excimer or molecular fluorine gas discharge laser system which may comprise a seed laser oscillator producing an output comprising a laser output light beam of pulses which may comprise a first gas discharge excimer or molecular fluorine laser chamber; a line narrowing module within a first oscillator cavity; a laser amplification stage containing an amplifying gain medium in a second gas discharge excimer or molecular fluorine laser chamber receiving the output of the seed laser oscillator and amplifying the output of the seed laser oscillator to form a laser system output comprising a laser output light beam of pulses, which may comprise a ring power amplification stage.

    摘要翻译： 一种方法和装置可以包括线变窄的脉冲准分子或分子氟气放电激光系统，其可以包括种子激光振荡器，其产生包括可以包括第一气体放电准分子或分子氟激光室的脉冲的激光输出光束的输出; 第一振荡器腔内的线窄模块; 在第二气体放电准分子或分子氟激光室中包含放大增益介质的激光放大级，其接收种子激光振荡器的输出并放大种子激光振荡器的输出，以形成激光系统输出，其包括激光输出光束 脉冲，其可以包括环形功率放大级。