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    • 4. 发明授权
    • Projection optical device and exposure apparatus
    • 投影光学装置和曝光装置
    • US08767172B2
    • 2014-07-01
    • US12926159
    • 2010-10-28
    • Akimitsu EbiharaMartin E. LeeBausan Yuan
    • Akimitsu EbiharaMartin E. LeeBausan Yuan
    • G03B27/42
    • G03F7/709G03F7/70808G03F7/70833G03F7/70891
    • A projection optical device includes a projection optical system which projects an image of a pattern, a support member attached to the projection optical system, and a plurality of coupling members connected to the support member. The coupling members suspend and support the projection optical system through the support member from an upper direction of the support member. The projection optical device can include a frame to which one end of each of the coupling members is attached, such that the projection optical system hangs from the frame via the support member and the coupling members. A projection optical device also can include a liquid supply which supplies a temperature-controlled liquid to a side surface of a projection optical system utilizing gravity to cause the temperature-controlled liquid to flow along the side surface of the projection optical system.
    • 投影光学装置包括投影图案的投影光学系统,附接到投影光学系统的支撑构件和连接到支撑构件的多个联接构件。 联接构件从支撑构件的上方通过支撑构件悬挂并支撑投影光学系统。 投影光学装置可以包括框架,每个联接构件的一端被附接到框架,使得投影光学系统经由支撑构件和联接构件从框架悬挂。 投影光学装置还可以包括液体供应源,其利用重力将温度控制的液体供应到投影光学系统的侧表面,以使温度控制的液体沿着投影光学系统的侧表面流动。