Patent ID: 8015702
Filing Date: 2011-09-13
Classification: H01L,Y10T

Abstract:
1. A method of forming a semiconductor device on a metal substrate comprising: providing a master having a master surface with a roughness of less than 400 nm, peak-to-peak; depositing a first seed layer of a first metal on the master surface of the master to form a substantially planar surface of the first seed layer proximate the master surface; bonding a supporting metal layer to the first seed layer on a surface opposite the substantially planar surface, the seed layer and the metal layer comprising the metal substrate; removing the metal substrate from the master to expose the substantially planar surface; forming at least one semiconductor device on the exposed substantially planar surface, such that the first seed layer is not disposed between the at least one semiconductor and the exposed substantially planar surface; applying a patterning layer to said semiconductor device; and forming a pattern in said patterning layer.