Patent ID: 7514186
Filing Date: 2009-04-07
Classification: B82Y,G03F,G21K

Abstract:
1. A system for electrically connecting a mask for EUV lithography to earth including a conductor connected to earth and arranged to make electric contact with a first conductive coating covering a first end surface at a first end of the mask, at least a first portion of a back surface of the mask, and a first portion of a front surface of the mask, and a second conductive coating covering a second end surface at a second end of the mask, at least a second portion of the back surface of the mask, and a second portion of the front surface of the mask, whereby the first conductive coating on the first portion of the front surface of the mask and the second conductive coating on the second portion of the front surface of the mask are unconnected on the front surface of the mask, and whereby the first and second conductive coatings include a layer consisting of a metal-based compound.