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    • 98. 发明授权
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US07019820B2
    • 2006-03-28
    • US10735848
    • 2003-12-16
    • Joost Jeroen OttensKoen Jacobus Johannes Maria Zaal
    • Joost Jeroen OttensKoen Jacobus Johannes Maria Zaal
    • G03B27/62G03B27/58
    • G03F7/70708G03F7/707G03F7/70783G03F7/70875
    • A lithographic apparatus includes an illumination system for providing a beam of radiation and an article support for supporting an article to be placed in a beam path of the beam of radiation on the article support. The article support has a plurality of supporting protrusions. The plurality of protrusions define a support zone for providing a flat plane of support. A backfill gas feed is arranged in the support zone for providing a backfill gas flow to a backside of the article when supported by the article support, for providing an improved thermal conduction between the article and the article support. According to one aspect of the invention, the support zone is surrounded by a boundary zone having a reduced height relative to the plane of support so that the backfill gas flow is not bounded to the support zone.
    • 光刻设备包括用于提供辐射束的照明系统和用于支撑待放置在物品支撑件上的辐射束的光束路径中的物品的物品支撑件。 物品支撑件具有多个支撑突起。 多个突起限定用于提供平坦的支撑平面的支撑区域。 在支撑区域中布置有回填气体进料,用于当物品支撑件支撑时提供回填气体到物品的背面,以便在物品和物品支撑件之间提供改进的热传导。 根据本发明的一个方面,支撑区被相对于支撑平面具有减小的高度的边界区包围,使得回填气体流不限于支撑区。