METHOD OF MANUFACTURING A MEMBRANE ASSEMBLY

    公开(公告)号:CA3124165A1

    公开(公告)日:2020-06-25

    申请号:CA3124165

    申请日:2019-12-16

    Abstract: There is provided a method of manufacturing a membrane assembly for EUV lithography, wherein a layer which forms at least part of a pellicle membrane is provided after one or more etching steps which define a pellicle border holding the pellicle membrane. Also provided is a pellicle substrate, the substrate comprising: a stack having a front face and back face, wherein one or more layers on the back face of the stack have been selectively removed to define a pellicle border region for holding the pellicle membrane before the layer which forms at least part of a pellicle membrane has been provided.

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