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    • 24. 发明申请
    • GAS DISCHARGE LASER CHAMBER IMPROVEMENTS
    • 气体放电激光室改进
    • WO2005104313A3
    • 2007-02-01
    • PCT/US2005007168
    • 2005-03-03
    • CYMER INCPARTLO WILLIAM NAMADA YOSHIHOCARMICHAEL JAMES ADYER TIMOTHY SGILLESPIE WALTER DMOOSMAN BRYAN GRETTIG CURTIS LSTRATE BRIAN DSTEIGER THOMAS DTRINTCHOUK FEDOR BUJAZDOWSKI RICHARD C
    • PARTLO WILLIAM NAMADA YOSHIHOCARMICHAEL JAMES ADYER TIMOTHY SGILLESPIE WALTER DMOOSMAN BRYAN GRETTIG CURTIS LSTRATE BRIAN DSTEIGER THOMAS DTRINTCHOUK FEDOR BUJAZDOWSKI RICHARD C
    • H01S3/22H01S3/03H01S3/036H01S3/038H01S3/041H01S3/097H01S3/0971H01S3/225
    • H01S3/036H01S3/0384H01S3/041H01S3/0971H01S3/225
    • A method and apparatus if disclosed which may comprise a high power high repetition rate gas discharge laser UV light source which may comprise: a gas discharge chamber comprising an interior wall comprising a vertical wall and an adjacent bottom wall; a gas circulation fan creating a gas flow path adjacent the interior vertical wall and the adjacent bottom wall; an in-chamber dust trap positioned a region of low gas flow, which may be along an interior wall and may comprise at least one meshed screen, e.g., a plurality of meshed screens, which may comprise at least two different gauge meshed screens. The dust trap may extend along the bottom interior wall of the chamber and/or a vertical portion of the interior wall. The dust trap may comprise a first meshed screen having a first gauge; a second meshed screen having a second gauge smaller than the first gauge; and the second meshed screen intermediate the first meshed screen and the interior wall. The chamber may comprise a plurality of dust collecting recesses in at least one of the vertical interior wall and the bottom wall of the chamber which may be selected from a group comprising a one-part recess and a multi-part recess, which may comprise two sections angled with respect to each other. The dust trap may comprise a pressure trap positioned between a portion of a main insulator and an interior wall of the chamber. The chamber may comprise a gas circulating fan comprising a cross-flow fan with a fan cutoff that may comprise a vortex control pocket. The chamber may comprise a preionization mechanism comprising a preionization tub containing a ground rod within an elongated opening in the preionization tube that may comprise a compliant member, an automatic preionization shut-off mechanism, a preionization onset control mechanism and/or a focusing element. The chamber may comprise an elongated baffle plate that may comprise a plurality of pyramidal structures including varying numbers of generally pyramidal elements and oriented in groups of varying numbers of generally pyramidal elements and oriented along and transverse to the longitudinal axis. Acoustic resonances within the chamber may also be reduced by introducing an artificial fitter into the timing of the laser discharges varying the inter-pulse period randomly or in a repeating pattern from pulse to pulse within a burst.
    • 如果公开的方法和装置,其可以包括高功率高重复率气体放电激光UV光源,其可以包括:气体放电室,其包括包括垂直壁和相邻底壁的内壁; 气体循环风扇,其产生邻近内部垂直壁和相邻底壁的气体流动路径; 室内除尘器定位了低气流区域,其可以沿着内壁并且可以包括至少一个网状筛网,例如多个网状筛网,其可以包括至少两个不同的规格网状筛网。 除尘器可以沿着室的底部内壁和/或内壁的垂直部分延伸。 除尘器可以包括具有第一量规的第一网状筛网; 第二网状筛,其具有小于第一量规的第二规格; 并且第二网状屏幕在第一网状筛网和内壁之间。 腔室可以包括在腔室的垂直内壁和底壁中的至少一个中的多个集尘凹部,其可以从包括一部分凹部和多部分凹部的组中选择,该组包括两个凹部 相对于彼此成角度的部分。 除尘器可以包括定位在主绝缘体的一部分和室的内壁之间的压力阱。 该腔室可包括气体循环风扇,其包括具有风扇切断装置的横流风扇,其可包括涡流控制口袋。 所述腔室可以包括预除垢机构,其包括在所述预分离管内的细长开口内包含接地棒的预除菌槽,所述前置离子槽可以包括柔顺构件,自动预除电切断机构,预电离起始控制机构和/或聚焦元件。 腔室可以包括细长的挡板,该挡板可以包括多个金字塔形结构,包括不同数量的通常为锥体的元件,并且以不同数量的大致金字塔形元件组成并且沿纵向轴线并且横向于纵向轴线定向。 腔内的声共振也可以通过将人造钳工器引入激光放电的定时中,从而在脉冲串内从脉冲到脉冲随机地或以重复模式改变脉冲间周期。
    • 27. 发明申请
    • HIGH POWER HIGH PULSE REPETITION RATE GAS DISCHARGE LASER SYSTEM BANDWIDTH MANAGEMENT
    • 高功率高脉冲重复率气体放电激光系统带宽管理
    • WO2006060359A3
    • 2009-04-16
    • PCT/US2005043055
    • 2005-11-28
    • CYMER INCSANDSTROM RICHARD LPARTLO WILLIAM NBROWN DANIEL J WALGOTS J MARTINTRINTCHOUK FEDOR
    • SANDSTROM RICHARD LPARTLO WILLIAM NBROWN DANIEL J WALGOTS J MARTINTRINTCHOUK FEDOR
    • G02B5/04H01S3/08
    • H01S3/08009H01S3/08031H01S3/08059H01S3/097H01S3/1055
    • A line narrowing apparatus and method for a narrow band DUV high power high repetition rate gas discharge laser producing output laser light pulse beam pulses in bursts of pulses is disclosed, which may comprise a dispersive center wavelength selection optic contained within a line narrowing module, selecting at least one center wavelength for each pulse determined at least in part by the angle of incidence of the laser light pulse beam containing the respective pulse on a dispersive wavelength selection optic dispersive surface; a first dispersive optic bending mechanism operatively connected to the dispersive center wavelength selection optic and operative to change the curvature of the dispersive surface in a first manner; and, a second dispersive optic bending mechanism operatively connected to the dispersive center wavelength selection optic and operative to change the curvature of the dispersive surface in a second manner. The first manner may modify a first measure of bandwidth and the second manner may modify a second measure of bandwidth such that the ratio of the first measure to the second measure substantially changes. The first measure may be a spectrum width at a selected percentage of the spectrum peak value (FWX%M) and the second measure may be width within which some selected percentage of the spectral intensity is contained (EX%). The first dispersive optic bending mechanism may change the curvature of the dispersive surface in a first dimension and the second in a second dimension generally orthogonal to the first dimension. The laser system may comprise a beam path insert comprising a material having an different index of refraction and an index of refraction thermal gradient opposite from that of a neighboring optical element. The first dispersive optic bending mechanism may change the curvature of the dispersive surface in a first dimension and the second a second dimension generally parallel to the first dimension. An optical beam twisting element in the lasing cavity may optically twist the laser light pulse beam to present a twisted wavefront to the dispersive center wavelength selection optic. Bending may change the curvature and wavelength selection, e.g., in a burst may create two center wavelength peaks to select FWX%M and EX% independently.
    • 公开了一种用于窄带DUV大功率高重复率气体放电激光器的脉冲串产生输出激光脉冲束脉冲的线窄化装置和方法,其可以包括包含在线窄模块内的分散中心波长选择光学器件,选择 用于每个脉冲的至少一个中心波长至少部分地由包含分散波长选择光学色散表面上的各个脉冲的激光束的入射角确定; 第一分散光学弯曲机构,其可操作地连接到所述分散中心波长选择光学器件并且以第一方式改变所述分散表面的曲率; 以及第二分散光学弯曲机构,其可操作地连接到所述分散中心波长选择光学器件并且以第二方式改变所述色散表面的曲率。 第一种方式可以修改第一带宽度量,并且第二种方式可以修改第二带宽度量,使得第一测量与第二测量的比率基本上改变。 第一测量可以是频谱峰值(FWX%M)的选定百分比处的频谱宽度,第二测量可以是包含光谱强度的某些选定百分比(EX%)的宽度。 第一分散光学弯曲机构可以在第一维度上改变分散表面的曲率,而第二维度可以大致垂直于第一维度改变。 激光系统可以包括光束路径插入件,其包括具有不同折射率的材料和与相邻光学元件的折射率相反的折射热梯度。 第一分散光学弯曲机构可以改变分散表面在第一尺寸中的曲率,而第二分散光学弯曲机构的第二尺寸大体上平行于第一尺寸。 激光腔中的光束加捻元件可以光学地扭转激光脉冲光束,以将扭曲的波前呈现到分散中心波长选择光学器件。 弯曲可以改变曲率和波长选择,例如,在脉冲串中可以产生两个中心波长峰值,以独立地选择FWX%M和EX%。
    • 29. 发明申请
    • METHOD AND APPARATUS FOR STABILIZING AND TUNING THE BANDWIDTH OF LASER LIGHT
    • 用于稳定和调谐激光束带宽的方法和装置
    • WO2008127599A3
    • 2008-12-11
    • PCT/US2008004598
    • 2008-04-09
    • CYMER INC A NEVADA CORPPARTLO WILLIAM NJACQUES ROBERT NO'BRIEN KEVIN MISHIHARA TOSHIHIKO
    • PARTLO WILLIAM NJACQUES ROBERT NO'BRIEN KEVIN MISHIHARA TOSHIHIKO
    • H01S3/22
    • H01S3/1055G02B27/646H01S3/137H01S3/139H01S3/225H01S2301/02
    • According to aspects of an embodiment of the disclosed subject matter, method and apparatus are disclose that ma y comprise adjusting a differential timing between gas discharges in the seed laser and amplifier laser for bandwidth control, based on the error signal, or for control of another laser operating parameter other than bandwidth, without utilizing any beam magnification control, or adjusting a differential timing between gas discharges in the seed laser and amplifier laser for bandwidth control, based on the error signal, or for control of another laser operating parameter other than bandwidth, while utilizing beam magnification control for other than bandwidth control, and adjusting a differential timing between gas discharges in the seed laser and amplifier laser for bandwidth control, based on the error signal, or for control of another laser operating parameter other than bandwidth, while utilizing beam magnification control for bandwidth control based on the error signal.
    • 根据所公开的主题的实施例的方面,公开了一种方法和装置,其包括基于误差信号调整种子激光器中的气体放电与用于带宽控制的放大器激光器之间的差分定时,或用于控制另一个 除了带宽之外的激光操作参数,不利用任何光束放大控制,或者基于误差信号调整种子激光器和放大器激光器中的气体放电之间的差分定时,或用于控制除带宽之外的另一个激光器操作参数 同时利用除带宽控制之外的光束放大控制,并且基于误差信号调整种子激光器和放大器激光器中的气体放电之间的差分定时,或用于控制除带宽之外的另一激光器操作参数,同时 利用基于误差信号的带宽控制的光束放大控制。
    • 30. 发明申请
    • METHOD AND APPARATUS FOR COOLING MAGNETIC CIRCUIT ELEMENTS
    • 用于冷却磁电元件的方法和装置
    • WO2005001853A3
    • 2005-11-24
    • PCT/US2004018941
    • 2004-06-14
    • CYMER INCNESS RICHARD MPARTLO WILLIAM NMELCHER PAUL CFERGUSON GEORGE XSAETHRE ROBERT B
    • NESS RICHARD MPARTLO WILLIAM NMELCHER PAUL CFERGUSON GEORGE XSAETHRE ROBERT B
    • H01F3/00H01F27/10H01S3/097H01F27/08G21C7/00
    • H01F27/266H01F27/025H01F27/10H01S3/097
    • An apparatus and method for providing cooling to a magnetic circuit element having a magnetic core disposed around a centrally located core support member (200) having at least one core support member wall (210) is disclosed which may comprise a core support coolant inlet (282); a core support coolant outlet (283); a plurality of interconnected coolant flow passages (270) contained within the core support member wall and inter connected an arranged to pass coolant from one coolant flow passage to the next within the core support member wall along a coolant flow path within at least a substantial portion of the core support member wall from the core support coolant inlet to the core support coolant outlet. The apparatus may also comprise each core support coolant flow passage is in fluid communication with a fluid communication plenum at each end of each respective core support coolant flow passage, with each respective fluid communication plenum forming an outlet plenum for at least a first one of the respective core support coolant flow passages and an inlet plenum for at least a second one of the respective core support coolant flow passages along the coolant flow path from the core support coolant inlet to the core support coolant outlet.
    • 公开了一种用于向具有设置在具有至少一个芯支撑构件壁(210)的中心定位的芯支撑构件(200)周围的磁芯的磁路元件提供冷却的装置和方法,其可以包括芯支撑冷却剂入口(282 ); 芯支撑冷却剂出口(283); 多个互连的冷却剂流动通道(270),其容纳在所述芯支撑构件壁内并且相互连接,所述多个相互连接的冷却剂流动通道(270)被布置成沿着至少大部分内的冷却剂流动路径将冷却剂从一个冷却剂流动通道传递到所述芯支撑构件壁 的芯支撑构件壁从芯支撑冷却剂入口到芯支撑冷却剂出口。 该装置还可以包括每个芯支撑冷却剂流动通道与每个相应的芯支撑冷却剂流动通道的每个端部处的流体连通通气室流体连通,每个相应的流体连通增压室形成出口压力室,用于至少第一个 相应的芯支撑冷却剂流动通道和用于沿着从芯支撑冷却剂入口到芯支撑冷却剂出口的冷却剂流动路径的相应的芯支撑冷却剂流动通道中的至少第二个的入口气室。