Patent ID: 6930399
Filing Date: 2005-08-16
Classification: C08G,C08L,C09J,H01L

Abstract:
1. Non-conductive adhesive for flip chip bonding that is dried and has the form of a film, comprising: 6˜10 wt % of solid-phase bisphenol A type epoxy resin; 15˜25 wt % of liquid-phase bisphenol F type epoxy resin; 12˜18 wt % of solid-phase phenoxy resin; 32˜40 wt % of solvent mixture with methylethylketone and toluene with the ratio of 1:3 in vol %; 8˜14 wt % of liquid-phase imidazole hardener; and 6˜20 wt % of non-conductive SiO2 or SiC particles.