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公开(公告)号:US09939737B2
公开(公告)日:2018-04-10
申请号:US14761957
申请日:2013-12-05
Applicant: ASML Netherlands B.V.
IPC: G03F7/20 , H01L21/683 , H01L21/687 , H02N13/00
CPC classification number: G03F7/70708 , H01L21/6831 , H01L21/6833 , H01L21/6875 , H02N13/00
Abstract: An electrostatic clamp (12) comprising an electrode (2), a layer of resistive material (6) located on the electrode, and a layer of dielectric (8) located on the resistive material, wherein the electrostatic clamp further comprises burls (10) which project from the layer of dielectric.