Patent ID: 9572237
Date: 2017-02-14
CPC Classifications: G01N,H01J,H05F

Claim:
1. An apparatus for discharging extreme ultraviolet mask (EUV mask) when said EUV mask is inspected by using a charged particle beam inspection tool, comprising: means for conducting charge on an EUV mask while inspecting said EUV mask by using the charged particle beam inspection system having a detector for receiving signal electron emanating from said EUV mask, wherein said means for conducting charges comprises a grounding in control structure for moving said ground in from said first position to said second position, and said grounding in control structure comprises a supporting member, said grounding in is attached onto said supporting member, said supporting member comprises: a grounding pin for conducting charge on said EUV mask along with said means for conducting charge; wherein charge on said EUV mask is grounded through said means for conducting charge and said grounding pin when said grounding pin moves from a first position to a second position for conducting charge.