Patent ID: 7972965

Claim:
A process for joining surfaces of portions of an integrated circuit, a semiconductor device, or an electrical component, comprising the steps of: providing a substrate having a first surface, wherein the substrate is composed of a layer of a first dielectric material; creating a roughing on the first surface of the substrate, wherein the roughing extends only partially into the layer of the first dielectric material; and depositing a second dielectric material having a second surface on the first surface such that the second surface of the second dielectric material is joined to the first surface of the substrate and substantially fills in the roughing, wherein the creating the roughing comprises: applying a block copolymer solution having at least two phases to the first surface of the substrate; annealing the block copolymer solution at a sufficient temperature to facilitate micro phase separation of blocks of the block copolymer solution and to cause self-organization; removing at least one phase of the at least two phases of the block copolymer solution and leaving another one of the at least two phases as a mask; and etching the first surface using the mask.