Patent ID: 9339868
Filing Date: 2016-05-17
CPC Classification: B22D,B82Y,G03F,H01L,H05K,Y10S

Claim Text:
1. A method of processing a substrate, comprising: forming a trench in the substrate; disposing a stamp device at least in the trench; filling, after disposing the stamp device at least in the trench, at least one part of the trench that is free from the stamp device at least partially with trench filling material, wherein a shape of the trench filling material in the trench comprises a three-dimensional (3D) pattern having at least one of a protrusion or an indentation; removing the stamp device from the trench after the filling with the trench filling material; and depositing filling material at least into the trench after removal of the stamp device while the trench filling material substantially remains in the trench, wherein the trench is free of any stamp device during the deposition of the filling material.