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    • 2. 发明申请
    • MOVABLE BODY APPARATUS AND EXPOSURE APPARATUS
    • 可移动身体装置和曝光装置
    • WO2008140027A1
    • 2008-11-20
    • PCT/JP2008/058583
    • 2008-04-25
    • NIKON CORPORATIONTANAKA, KeiichiKAKIZAKI, Yukio
    • TANAKA, KeiichiKAKIZAKI, Yukio
    • G03F7/20
    • G03F7/7085F16C29/025F16C32/0603G03F7/70808G03F7/70816G03F7/70841G03F7/70866
    • The upper end of a static gas bearing member (42) of a wafer side seal unit (40W) is connected to an edge section on the outgoing side of an exposure beam of a chamber (52) in an air tight state via bellows (72), and the lower end surface is in a state forming a predetermined clearance with a wafer (W) and a wafer holder (WH). By this arrangement, the inside of the chamber (52) is isolated from the outside. Accordingly, it becomes possible to maintain a vacuum environment in the periphery of the optical path of the exposure beam without arranging a vacuum chamber to house a wafer (W), a wafer holder (WH), and a wafer stage (WST), which allows the size of the entire exposure apparatus to be reduced, and also makes it easy to have access to the vicinity of the wafer stage (WST).
    • 晶片侧密封单元(40W)的静态气体轴承构件(42)的上端通过波纹管(72)连接到处于气密状态的室(52)的曝光束的出射侧的边缘部分 ),并且下端表面处于与晶片(W)和晶片保持器(WH)形成预定间隙的状态。 通过这种布置,室(52)的内部与外部隔离。 因此,可以在不设置真空室来容纳晶片(W),晶片保持架(WH)和晶片台(WST))的同时,保持曝光光束的光路周边的真空环境,其中 允许整个曝光装置的尺寸减小,并且还使得容易接近晶片台(WST)附近。
    • 6. 发明公开
    • STAGE DEVICE AND EXPOSURE DEVICE
    • BÜHNENVORRICHTUNGUND BELICHTUNGSVORRICHTUNG
    • EP2068349A1
    • 2009-06-10
    • EP07828420.5
    • 2007-09-26
    • Nikon Corporation
    • TANAKA, Keiichi
    • H01L21/027G03F7/20
    • G03F7/70858B82Y10/00B82Y40/00G03F7/70716G03F7/70766G03F7/70783G03F7/70808G03F7/70816G03F7/70841H01J37/3174
    • The present invention provides a stage apparatus wherein an object is disposed in an atmosphere with a gas pressure lower than atmospheric pressure, and the object can be driven with high accuracy. The stage apparatus that drives a reticle (15) comprises: a vacuum chamber (1), which forms a space (A) and has an opening (1a); an integrated coarse and fine motion table (13), which has an electrostatic chuck (14) that holds the object, that, when driven, moves the electrostatic chuck (14) inside the space (A); a counter mass (11), which is disposed so that it covers the opening (1a), that is capable of moving because of the reaction force produced when the integrated coarse and fine motion table (13) is driven; and a vacuum cover (30), which forms a space (B) that houses the counter mass (11); wherein the space (A) and the space (B) are set to prescribed gas pressures.
    • 本发明提供一种舞台装置,其中物体设置在气压低于大气压的气氛中,并且可以高精度地驱动物体。 驱动掩模版(15)的平台装置包括:形成空间(A)并具有开口(1a)的真空室(1); 具有保持物体的静电吸盘(14)的集成的粗细动平台(13),当被驱动时,静电吸盘(14)在空间(A)内移动。 被布置成使其覆盖开口(1a)的反质量块(11),其由于在整体式粗细动平台(13)被驱动时产生的反作用力而能够移动; 和形成容纳所述反质量块(11)的空间(B)的真空罩(30)。 其中所述空间(A)和所述空间(B)被设定为规定的气体压力。