Patent ID: 7790350
Filing Date: 2010-09-07
Classification: B82Y,H01L

Abstract:
1. A process for patterning a template for polymeric self assembly of a polymer comprising a block copolymer film in a self assembly step for the manufacture of an electronic component, comprising: a) placing a polymer comprising a block copolymer film on a random copolymer film substrate wherein said random copolymer film substrate is operatively associated with an electronic component and said block copolymer film, wherein said random copolymer film is capable of undergoing a change of polarity and a consequent change of surface energy; b) prior to self assembly of said block copolymer film, changing the polarity of said random copolymer film and tailoring the surface energy thereof by actinic radiation or chemical means to form a pattern in and provide deterministic control over regional surface properties of said random copolymer film that promotes domain formation in said block copolymer film only in predefined areas; and c) forming a self assembled structure in said block copolymer film.