Patent ID: 6528169
Filing Date: 2003-03-04
Classification: C08G,C09J,H01L,Y10T

Abstract:
A one-part, thermally curable, adhesive composition comprising:epoxy resin substantially free of hydroxyl functionality; anhydride curing agent, wherein the anhydride has a weight loss of less than 10 percent as determined by thermogravimetric analysis wherein the temperature is ramped from ambient to 140Â° C. at a rate of 90Â° C./minute, held isothermal for 1 minute, then ramped to a temperature of 225Â° C. at a rate of 90Â° C./minute and then held isothermal for 2 minutes; hydroxyl containing compound that is substantially insoluble in the epoxy resin at a temperature of less than 80Â° C.; and optionally, catalyst.