Patent ID: 7341825
Filing Date: 2008-03-11
Classification: B82Y,G03F

Abstract:
1. A method for fabricating an imprinting master comprising: providing a substrate having a surface comprising silicon nitride; forming a DLC layer on said surface of said substrate; forming a first mask layer on said DLC layer, said first mask layer selected from the group consisting essentially of Au, Pd, Pt, Ir, Rh, alloys of the forgoing, and polysilicon; creating a patterned first mask by patterning said first mask layer; creating a patterned DLC mask by transferring a pattern from said patterned first mask to said DLC layer by etching said DLC layer; depositing a second mask layer over said patterned DLC mask and said patterned first mask; creating a second patterned mask from said second mask layer by first removing said patterned first mask and subsequently removing said patterned DLC mask; and, inverting said pattern by etching said surface of said substrate using said second patterned mask as a pattern-defining template.