Patent ID: 6136127
Filing Date: 2000-10-24
Classification: B41M,B44C,H05K,Y10S

Abstract:
The method of constructing a flexible membrane circuit which comprises(a) preparing an electrically functional adhesive transfer product which comprises,(i) a carrier sheet having a transfer surface which is composed of, or coated with, a transfer material,(ii) a transfer ink physically and releasably applied to said transfer surface in a printed pattern corresponding generally to a predetermined desired circuit,(iii) one or more layers of electrically functional ink applied over said transfer ink in a predetermined, electrically functional pattern corresponding to said predetermined desired circuit,(iv) a pressure sensitive adhesive applied over exposed surfaces of said layers of ink in a pattern corresponding generally to the pattern thereof, and(v) a release sheet applied over said pressure sensitive adhesive and releasably bonding therewith,(b) selecting a suitable receiving substrate to receive said transfer product,(c) removing the release sheet from said transfer product, and(d) adhesively mounting said product on said receiving substrate.