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    • 8. 发明公开
    • Exposure apparatus
    • 曝光装置
    • EP0444936A2
    • 1991-09-04
    • EP91301656.4
    • 1991-02-28
    • CANON KABUSHIKI KAISHA
    • Ebinuma, Ryuichi, c/o Canon Kabushiki KaishaMizusawa, Nobutoshi, c/o Canon Kabushiki KaishaKariya, Takao, c/o Canon Kabushiki KaishaSuda, Shigeyuki, c/o Canon Kabushiki KaishaUzawa, Shunichi, c/o Canon Kabushiki Kaisha
    • G03F7/20G03B27/53G03F9/00
    • G03F7/70066G03F7/70858G03F7/70891G03F9/70
    • An exposure apparatus for transferring a pattern of an original (1, 2) onto a workpiece (3), includes a blocking member (7a-7d) for defining a rectangular exposure region with respect to at least one of the original (1, 2) and the workpiece (3), wherein the exposure for the pattern transfer can be effected with the exposure region defined by the blocking member (7a-7d). Plural detection systems detect a positional deviation between the original (1, 2) and the workpiece (3), each of which is disposed so as to be associated with at least one of four sides of the rectangular exposure region. Plural first movable stages (8a-8d) each is provided so as to be associated with at least one of the four sides, and each is adapted to carry thereon one of the detection systems disposed to be associated with a corresponding side. Each first movable stage (8a-8d) comprises a single-axis stage movable in a direction parallel to a corresponding side. Plural second stages (9a-9d) each carrys thereon corresponding one of the first movable stages (8a-8d), and each comprises a single-axis stage movable in a direction perpendicular to a corresponding side and in a direction parallel to the rectangular exposure region. Each second movable stage (9a-9d) is operable to displace the light blocking member (7a-7d) to change the rectangular exposure region.
    • 一种用于将原件(1,2)的图案转印到工件(3)上的曝光设备,包括用于相对于原件(1,2)中的至少一个定义矩形曝光区域的阻挡构件(7a-7d) )和工件(3),其中用于图案转印的曝光可以通过由阻挡构件(7a-7d)限定的曝光区域来实现。 多个检测系统检测原件(1,2)和工件(3)之间的位置偏差,每个位置偏差设置成与矩形曝光区域的四条边中的至少一条边相关联。 多个第一可移动平台(8a-8d)各自被设置成与四个边中的至少一个相关联,并且每个第一可移动平台适于在其上承载设置成与对应边相关联的检测系统之一。 每个第一可移动台(8a-8d)包括可在平行于相应侧的方向上移动的单轴台。 多个第二平台(9a-9d)分别在其上具有对应的第一可移动平台(8a-8d)中的一个,并且每个第二平台包括单轴平台,该平台可在垂直于相应侧的方向上并且在平行于矩形曝光 地区。 每个第二可移动平台(9a-9d)可操作以移动光阻挡构件(7a-7d)以改变矩形曝光区域。