Patent ID: 6342164
Filing Date: 2002-01-29
Classification: G03F,H01G,H05K,Y10S

Abstract:
A method for forming a pinhole-free dielectric film comprising:applying a photopolymer comprising an epoxy to a first dielectric surface of a dielectric film including a plurality of pinholes in the dielectric surface, such that the pinholes contain photopolymer; from a direction of a second dielectric surface which is opposite the first dielectric surface, irradiating the dielectric film with an amount of actinic radiation effective to activate the photopolymer, wherein only the portion of the photopolymer exposed by the pinholes is activated because the dielectric film is opaque and masks the portion of the photopolymer that is not exposed by the pinholes; removing unactivated photopolymer by washing the dielectric film with a solvent that selectively removes unactivated photopolymer, but does not remove activated photopolymer.