Patent ID: 6903463

Claim:
A connecting material for bonding and connecting a semiconductor chip with a substrate glass board and forming a COG assembly in which electrodes provided on the semiconductor chip are held in direct connection with corresponding electrodes provided on the substrate glass board, said connecting material having a tensile elongation percentage at 25° C. of at least 5%, after being cured, and comprising: an adhesive component comprising 10-94% by weight of an epoxy resin, 5-30% by weight of a thermoplastic polymeric substance and 6-90 wt. % of a microparticulate elastomer product selected from the group consisting of natural rubber, isoprene rubber, butadiene rubber, styrene/butadiene rubber, chloroprene rubber and acrylonitrile/butadiene rubber having an average particle size of 30-300 nm and electroconductive particles.