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    • 3. 发明授权
    • Imaging system and method employing beam folding
    • 使用光束折叠的成像系统和方法
    • US07405806B2
    • 2008-07-29
    • US11106204
    • 2005-04-14
    • Rajesh MenonHenry I. Smith
    • Rajesh MenonHenry I. Smith
    • G03B27/42G03B27/54
    • G03F7/70291G03F7/70383
    • A maskless lithography system is disclosed that includes a spatial light modulator, first and second imaging areas, and first folding optics. The spatial light modulator receives illumination from an illumination source and provides a modulated illumination beam having a first cross-sectional line length in a length-wise direction and a first cross-sectional width in a width-wise direction that is substantially smaller than said first cross-sectional length. The first imaging area receives a first portion of the modulated illumination beam. The first folding optics provides a second portion of the modulated illumination beam that is adjacent the first portion of the modulated illumination beam in the length-wise direction at a second imaging area that is not adjacent the first imaging area in the length-wise direction.
    • 公开了一种无掩模光刻系统,其包括空间光调制器,第一和第二成像区域以及第一折叠光学器件。 空间光调制器从照明源接收照明,并且提供调制照明光束,该调制照明光束在长度方向上具有第一横截面线长度,并且在宽度方向上具有基本上小于所述第一宽度方向的第一横截面宽度 截面长度。 第一成像区域接收调制照明光束的第一部分。 第一折叠光学器件提供调制照明光束的第二部分,该第二部分在长度方向上与第一成像区域不相邻的第二成像区域沿长度方向相邻于调制照明光束的第一部分。
    • 7. 发明授权
    • Wavelength-selective optical add/drop switch
    • 波长选择性光分插开关
    • US5915051A
    • 1999-06-22
    • US792916
    • 1997-01-21
    • Jay N. DamaskThomas E. MurphyJuan FerreraMichael Hong Yeol LimHenry I. SmithHermann A. Haus
    • Jay N. DamaskThomas E. MurphyJuan FerreraMichael Hong Yeol LimHenry I. SmithHermann A. Haus
    • G02B6/12G02F1/313G08B6/28
    • G02B6/12007G02F1/3136G02B2006/12107G02B2006/12173
    • A wavelength-selective optical switch having a first input port for accepting a plurality of copropagating optical channels, each of the channels having a distinct wavelength band. The optical switch includes first and second output ports. A wavelength-selective optical filter is connected to receive the copropagating optical channels from the first input port to extract a selected one of the channels while allowing the remaining channels to copropagate to the first output port. An interferometric switch is connected to receive the selected extracted channel; the interferometric switch includes a controller for controlling propagation of the selected extracted channel to either the second output port, the optical filter, or both. The optical filter is connected to receive from the interferometric switch an optical channel to be combined with the remaining copropagating channels and all directed to the first output port. In a first control state of the controller, the interferometric switch is adapted to direct the selected extracted channel to the optical filter, while in a second control state of the controller, the interferometric switch is adapted to direct the selected extracted channel to the second output port. A second input port can be provided for accepting an injected optical channel having a wavelength band corresponding to the wavelength band of the selected extracted channel. This second input port is connected to direct the injected optical channel to the interferometric switch. In this scenario, the interferometric switch is adapted, in the second control state of the controller, to direct the injected channel to the optical filter, and is adapted to direct the injected channel, in a first control state of the controller, to the second output port.
    • 一种波长选择性光开关,具有用于接收多个共传播光信道的第一输入端口,每个信道具有不同的波段。 光开关包括第一和第二输出端口。 连接波长选择性滤光器以从第一输入端口接收共同传播的光通道,以提取所选择的一个通道,同时允许其余通道共同传播到第一输出端口。 连接干涉式开关以接收所选择的提取的通道; 干涉式开关包括控制器,用于控制所选择的提取的通道到第二输出端口,滤光器或两者的传播。 光滤波器被连接以从干涉式开关接收要与剩余的共同传播信道组合的光信道,并且全部被引导到第一输出端口。 在控制器的第一控制状态下,干涉式开关适于将所选择的提取的通道引导到滤光器,而在控制器的第二控制状态下,干涉式开关适于将所选择的提取的通道引导至第二输出 港口。 可以提供第二输入端口用于接受具有与所选择的提取的信道的波长带相对应的波长带的注入光信道。 该第二输入端口被连接以将注入的光通道引导到干涉式开关。 在这种情况下,在控制器的第二控制状态下,干涉式开关适应于将注入的通道引导到滤光器,并且适于在控制器的第一控制状态下将注入的通道引导到第二 输出端口
    • 8. 发明授权
    • Scintillating fiducial patterns
    • 闪烁的基准模式
    • US5892230A
    • 1999-04-06
    • US865095
    • 1997-05-29
    • James G. GoodberletHenry I. Smith
    • James G. GoodberletHenry I. Smith
    • H01J37/304H01J37/317G01B15/00G01J1/00
    • B82Y10/00B82Y40/00H01J37/3045H01J37/3174
    • A scintillating fiducial pattern, and methods of fabricating and using same, on a substrate or a resist/substrate composite, where the scintillating fiducial pattern is used in a spatial referencing scheme. The invention includes the use of a scintillating fiducial pattern as alignment or reference marks on a resist/substrate composite, into which a pattern or feature is to be defined. The invention includes the use of a scintillating fiducial in a mask alignment scheme. The invention includes the use of a scintillating fiducial grid or grating in conjunction with an energy beam locating method, or spatial-phase-locked electron-beam lithography. Spatial referencing to the scintillating fiducial grid, or grating, may be implemented with a delay-locked loop, which locks the phase of a signal from the scintillating grid, or grating, to the phase of a known signal. The invention includes the use of a scintillating fiducial grating, or grid, or the like, in conjunction with energy beam locating, to pattern a distortion-free grating or grid. The invention includes the use of an optical or combined photon/electron detection scheme to detect the scintillating fiducial pattern or a signal from the scintillating fiducial pattern.
    • 闪烁的基准图案及其制造和使用方法在衬底或抗蚀剂/衬底复合材料上,其中闪烁的基准图案用于空间参考方案。 本发明包括使用闪烁的基准图案作为抗蚀剂/衬底复合材料上的对准或参考标记,其中将限定图案或特征。 本发明包括在掩模对准方案中使用闪烁基准。 本发明包括与能量束定位方法或空间锁相电子束光刻结合使用闪烁的基准栅格或光栅。 闪烁基准栅格或光栅的空间参考可以用延迟锁定环来实现,该延迟锁定环锁定来自闪烁栅格或光栅的信号的相位到已知信号的相位。 本发明包括使用闪烁的基准光栅或栅格等结合能量束定位来对无失真的光栅或栅格进行图案化。 本发明包括使用光学或组合光子/电子检测方案来检测闪烁的基准图案或来自闪烁基准图案的信号。