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    • 8. 发明授权
    • Lithographic apparatus comprising a gas flushing system
    • 光刻设备包括气体冲洗系统
    • US07106412B2
    • 2006-09-12
    • US10776641
    • 2004-02-12
    • Pieter Klaas De BokxTjarko Adriaan Rudolf Van EmpelRonald Johannes HultermansAdrianus Cornelius Antonius Jonkers
    • Pieter Klaas De BokxTjarko Adriaan Rudolf Van EmpelRonald Johannes HultermansAdrianus Cornelius Antonius Jonkers
    • G03B27/52G03B27/42
    • G03F7/70933
    • A lithographic projection apparatus includes a radiation system constructed and arranged to supply a projection beam of radiation, a support structure constructed and arranged to support a patterning structure, the patterning structure constructed and arranged to pattern the projection beam according to a desired pattern, a substrate support constructed and arranged to support a substrate, and a projection system constructed and arranged to project the patterned beam onto a target portion of the substrate. The apparatus further includes a gas flushing system comprising radial gas flow outlets, said gas flushing system being constructed and arranged to generate a radial gas flow through said radial gas flow outlets in an intermediate space defined between said gas flushing system and said substrate, wherein the radial gas flow has a radial velocity directed outwards in said space with a magnitude larger than zero at every location in said space.
    • 一种光刻投影设备包括一个辐射系统,该辐射系统被构造和布置成提供一个投影辐射束,一个构造和布置成支撑图形结构的支撑结构,该图形结构被构造和布置成根据期望的图案对投影光束进行图案化, 支撑构造和布置成支撑衬底;以及投影系统,其构造和布置成将图案化的光束投影到衬底的目标部分上。 所述设备还包括气体冲洗系统,其包括径向气体流出口,所述气体冲洗系统被构造和布置成在所述气体冲洗系统和所述基板之间限定的中间空间中产生径向气流通过所述径向气流出口,其中, 径向气流在所述空间中的每个位置处具有在所述空间中向外指向的幅度大于零的径向速度。