Patent ID: 6312621
Filing Date: 2001-11-06
Classification: H01B,H05K,Y10T

Abstract:
A material suitable for use as a via fill comprising at least one of an electrically conductive particulate filler, thermally conductive particulate filler or non-conductive filler, an electrically conductive polymer, bleed-suppressing agent and a resin vehicle, wherein said resin vehicle comprises: 10 to 20% bis 3.4 epoxy-cyclohexyl methyl adipate, about 20-40% 3.4 epoxy cyclohexylmethyl 3,4 carboxylate, about 35-50% 1,1bis 4-cyanatophenyl ethane, about 5 to 20% epoxidized polybutadiene, about 0.3 to 0.6% titanium-based Lewis acid catalyst, about 0.3 to 0.6% zirconate-based Lewis acid catalyst, and about 0.1 to 0.4% dibenzylidene sorbitol.