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    • 1. 发明申请
    • GAS OPTIMIZATION IN A GAS DISCHARGE LIGHT SOURCE
    • 气体放散光源的气体优化
    • WO2017142705A1
    • 2017-08-24
    • PCT/US2017/015889
    • 2017-01-31
    • CYMER, LLC
    • AGGARWAL, Tanuj
    • H01S3/11H01S3/23H01S3/036H01S3/225
    • H01S3/134H01S3/036H01S3/0385H01S3/08009H01S3/08036H01S3/09705H01S3/0971H01S3/104H01S3/1305H01S3/225H01S3/2308H01S3/2366
    • One or more operating characteristics of a light source are adjusted by estimating a plurality of extreme values of operating parameters of the light source while operating the light source under a set of extreme test conditions. For each extreme test condition, a group of pulses of energy is supplied to a first gas discharge chamber of the light source while operating the first gas discharge chamber under the extreme test condition to produce a first pulsed amplified light beam; a group of pulses of energy is supplied to a second gas discharge chamber of the light source while operating the second «as discharge chamber under the extreme test condition to produce a second pulsed amplified light beam. An extreme value of an operating parameter for the extreme test condition is measured to thereby estimate the extreme value of the operating parameter.
    • 通过在一组极端测试条件下操作光源的同时估计光源的操作参数的多个极值来调整光源的一个或多个操作特性。 对于每种极端测试条件,在极端测试条件下操作第一气体放电室的同时,将一组能量脉冲提供给光源的第一气体放电室,以产生第一脉冲放大光束; 一组能量脉冲被提供给光源的第二气体放电室,同时在极端测试条件下操作第二放电室作为放电室以产生第二脉冲放大光束。 测量极端测试条件的运行参数的极值,从而估计运行参数的极值。
    • 4. 发明申请
    • LASER TUBE WITH BAFFLES
    • 激光管与BAFFLES
    • WO2014186372A1
    • 2014-11-20
    • PCT/US2014/037865
    • 2014-05-13
    • SYNRAD, INC.
    • BETHEL, Jason, W.LIMA, Melvin, J.LITMANOVICH, Yakov, L.
    • H01S3/03H01S3/038H01S3/223
    • H01S3/038H01S3/0315H01S3/0385H01S3/2232
    • A tube for a gas slab laser includes a first electrode (203b) having a first electrode inner surface and a second electrode (203a) having a second electrode inner surface. The first electrode is separated, in a first transverse direction, from the second electrode thereby defining a gap region (207) serving as discharge region (205). The tube further includes a first and a second elongated baffle member (204a, 204b), each having a respective elongated central channel (209a, 209b) formed in an inner surface thereof. Thereby discharge free stand-off regions (209a, 209b) are formed. Thereby it may inter alia be possible to prevent stray discharge and/or peripheral laser radiation (211) from coming into contact with the inner surfaces (206a, 206b) of the baffles, prevent generation of higher order laser modes and improve beam pointing stability.
    • 用于气体板坯激光器的管包括具有第一电极内表面的第一电极(203b)和具有第二电极内表面的第二电极(203a)。 第一电极在第一横向方向上与第二电极分离,从而限定用作放电区域(205)的间隙区域(207)。 管还包括第一和第二细长挡板构件(204a,204b),每个具有形成在其内表面中的相应的细长中心通道(209a,209b)。 从而形成排出自由的间隔区域(209a,209b)。 因此,可以特别地可以防止杂散放电和/或外围激光辐射(211)与挡板的内表面(206a,206b)接触,防止产生更高阶激光模式并提高光束指向稳定性。
    • 8. 发明申请
    • WAVEGUIDE LASER HAVING REDUCED CROSS-SECTIONAL SIZE AND/OR REDUCED OPTICAL AXIS DISTORTION
    • 具有减小的跨尺寸和/或减小的光轴失真的波长激光
    • WO2007092235A2
    • 2007-08-16
    • PCT/US2007/002690
    • 2007-02-01
    • VIDEOJET TECHNOLOGIESMONTY, Nathan, P.
    • MONTY, Nathan, P.
    • H01S3/0315H01S3/036H01S3/0385H01S3/041H01S3/0971H01S3/0975
    • Certain example embodiments of this invention relate to waveguide lasers (e.g., RF-excited waveguide lasers). Certain example embodiments of this invention provide combined waveguide cover and non-coupled top electrodes, and/or heat load balancing vacuum vessels including multiple (e.g., two or more) chambers. In certain example embodiments, RF energy may couple through the combined waveguide cover and non-coupled top electrode without significantly traversing the insulating carrier material via one or more cutouts or gaps formed in the RF coupling region of the top (or even a bottom) electrode. In certain example embodiments, first and second chambers of the vacuum vessel may be arranged so that heat generated in the discharge region flows away from the first and second chambers, thereby reducing thermally induced distortion of the optical component during laser operation. These techniques may be used alone or in various combinations.
    • 本发明的某些示例实施例涉及波导激光器(例如,RF激发波导激光器)。 本发明的某些示例性实施例提供组合的波导盖和非耦合的顶部电极和/或包括多个(例如两个或更多个)腔室的热负载平衡真空容器。 在某些示例性实施例中,RF能量可以耦合通过组合的波导盖和非耦合的顶部电极,而不会通过在顶部(或甚至底部)电极的RF耦合区域中形成的一个或多个切口或间隙显着地穿过绝缘载体材料 。 在某些示例性实施例中,真空容器的第一和第二腔室可以布置成使得在放电区域中产生的热量从第一和第二腔室流出,从而减少激光器操作期间光学部件的热诱导失真。 这些技术可以单独使用或以各种组合使用。
    • 9. 发明申请
    • ELECTRODES FOR FLUORINE GAS DISCHARGE LASERS
    • 氟化物放电激光电极
    • WO2005013440A2
    • 2005-02-10
    • PCT/US2004022809
    • 2004-07-16
    • CYMER INCMORTON RICHARD GMOOSMAN BRYANDYER TIMOTHYCARMICHAEL JAMES AZHANG JIPING
    • MORTON RICHARD GMOOSMAN BRYANDYER TIMOTHYCARMICHAEL JAMES AZHANG JIPING
    • H01S20060101H01S3/036H01S3/038H01S3/097H01S3/0971H01S3/225H01S
    • H01S3/0385H01S3/036H01S3/038H01S3/0381H01S3/0382H01S3/0384H01S3/0388H01S3/097H01S3/09702H01S3/0971H01S3/225H01S3/2251
    • Fluorine gas discharge laser electrodes and electrode systems are disclosed that may comprise a plurality of current return tangs extending for less than the respective length of the second elongated gas discharge electrode. In addition disclosed are electrodes that may comprise a first discharge shaping magnet mounted in a first elongated gas discharge electrode and a second discharge shaping magnet mounted in a second elongated gas discharge electrode. This may also comprise at least one of the first and second gas discharge electrodes has imbedded therein a first and a second auxiliary field creating magnet. Also disclosed is an electrode that may comprise a crown straddling the centerline axis between the pair of side walls and the pair of end walls, comprising a first material, forming at least a portion of the discharge region of the electrode and a pair of elongated high erosion regions on either side of the crown comprising a second material with a relatively higher erosion rate during gas discharge than that of the first material. Also disclosed are electrodes that may comprise a first insert in the electrode body comprising an electrically conductive material having a different coefficient of thermal conductivity than the electrode body. Also disclosed are electrodes that may have a thin film of semi-conductive material coating at least the discharge footprint of the gas discharge electrode, or at least a portion of the discharge region covered with a pre-formed reef having generally uniform pore size and distribution, and methods of making such coatings or reef. Also disclosed is a method of forming an electrode by diffusion bonding a first piece of a first material to a second piece of a second material utilizing a diffusion bonding catalyst between the first piece of material and the second piece of material during the diffusion bonding step and machining the bonded pieces to form an electrode.
    • 公开了氟气放电激光电极和电极系统,其可以包括延伸小于第二细长气体放电电极的相应长度的多个电流返回脚。 另外公开了可以包括安装在第一细长气体放电电极中的第一放电成形磁体和安装在第二细长气体放电电极中的第二放电成形磁体的电极。 这也可以包括第一和第二气体放电电极中的至少一个嵌入其中的第一和第二辅助场产生磁体。 还公开了一种电极,其可以包括跨越一对侧壁和一对端壁之间的中心线轴线的冠,包括形成电极的放电区域的至少一部分的第一材料和一对细长的高度 在冠的任一侧的侵蚀区域包括在气体放电期间具有比第一材料的侵蚀速率相对较高的第二材料。 还公开了可以包括电极体中的第一插入物的电极,其包括具有与电极体不同的导热系数的导电材料。 还公开了电极,其可以具有至少涂覆气体放电电极的放电足迹的半导电材料薄膜,或至少一部分用预先形成的具有大致均匀的孔径和分布的预定形式的礁 ,以及制造这种涂层或珊瑚礁的方法。 还公开了一种通过在扩散接合步骤期间利用第一片材料和第二片材料之间的扩散接合催化剂将第一片材料扩散接合到第二片材的第二片材来形成电极的方法,以及 加工粘合片以形成电极。