Patent ID: 9683295
Date: 2017-06-20
CPC Classifications: B29C,B29D,B29K,C23F,G03F,G11B,Y10T

Claim:
1. A method comprising: overlaying a patterned mask on an etchable layer, wherein the etchable layer overlies an etch stop layer, and wherein the etch stop layer overlies a substrate, wherein each pattern of the patterned mask corresponds to a feature of a plurality of features, and wherein the etch stop layer is substantially resistant to etching conditions and the etchable layer is substantially labile to the etching conditions, and wherein the etch stop layer is porous and is configured to pass gas through; and etching the plurality of features into the etchable layer down to the etch stop layer to form a template, wherein the etch stop layer is selected from a group consisting of transparent material to radiation and a thermally conductive material to radiation.