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    • 11. 发明授权
    • Laser beam working system
    • 激光束工作系统
    • US4820899A
    • 1989-04-11
    • US161944
    • 1988-02-29
    • Ikuo HikimaAkira MiyajiSaburo KamiyaAkikazu Tanimoto
    • Ikuo HikimaAkira MiyajiSaburo KamiyaAkikazu Tanimoto
    • B23K26/067H01R43/02B23K26/00
    • B23K26/0673B23K26/067H01R43/0221
    • A laser working system comprises supplying means for supplying a laser beam, a working unit which includes a stage for supporting a workpiece and means for exposing the workpiece to the laser beam, and a room unit which includes wall means for surrounding the working unit and accomodates the working unit to spatially isolate it from outside of the wall means. The supplying means is arranged outside the room unit and includes first and second laser units each for generating the laser beam.The laser working system further comprises beam guiding means which creates first light path for optically communicating the first laser unit with the working unit through the wall means, and second light path for optically communicating the second laser unit with the working unit through the wall means, respectively.
    • 一种激光加工系统,包括用于供应激光束的供给装置,包括用于支撑工件的台和用于将工件暴露于激光束的装置的工作单元,以及包括用于围绕工作单元并适应 工作单元将其与墙壁外部空间隔离。 供给装置设置在房间单元的外部,并且包括用于产生激光束的第一和第二激光单元。 所述激光加工系统还包括光束引导装置,所述光束引导装置产生用于通过所述壁装置将所述第一激光单元与所述工作单元光学连通的第一光路,以及用于通过所述壁装置将所述第二激光单元与所述作业单元光学连通的第二光路, 分别。
    • 13. 发明授权
    • Alignment apparatus
    • 校准装置
    • US4677301A
    • 1987-06-30
    • US681843
    • 1984-12-14
    • Akikazu TanimotoToshio MatsuuraSeiro MurakamiMakoto UeharaKyoichi Suwa
    • Akikazu TanimotoToshio MatsuuraSeiro MurakamiMakoto UeharaKyoichi Suwa
    • G03B27/53B65G1/00G03F9/00H01L21/027H01L21/30G01N21/86H01J3/14
    • G03F9/70
    • A position alignment apparatus aligns a photosensitive substrate and a mask (projection image) at high speed and with high precision. The apparatus has a projection optical system for projecting a pattern image on a mask or reticle onto a photosensitive substrate, a detector for detecting a two-dimensional misalignment of a projected pattern image and a wafer, and means for moving the wafer along orthogonal x- and y-axis directions and for rotating the wafer along a rotational direction within a plane defined by the x- and y-axis directions so as to eliminate the misalignment, wherein the detector has first detecting means with an optical system for detecting at least a misalignment of the wafer along the x-axis direction through the projection lens, and second detecting means with an optical system separate from the projection lens and for detecting at least a misalignment of the wafer along a rotational direction.
    • 位置对准装置以高精度和高精度对准感光基片和掩模(投影图象)。 该装置具有用于将掩模或掩模版上的图案图像投影到感光基板上的投影光学系统,用于检测投影图案图像和晶片的二维未对准的检测器,以及用于沿正交x轴移动晶片的装置, 和y轴方向,并且用于在由x轴方向和y轴方向限定的平面内沿着旋转方向旋转晶片,以消除所述未对准,其中所述检测器具有第一检测装置,其具有用于检测至少一个 晶片沿着x轴方向通过投影透镜偏移,以及第二检测装置,其具有与投影透镜分离的光学系统,并用于至少检测晶片沿旋转方向的不对准。