Patent ID: 6132646
Filing Date: 2000-10-17
Classification: B23K,B32B,C09J,H01L,H05K

Abstract:
An electrically conductive ink composition formed by curing an adhesive composition comprising:a) 1 to 65% (wt) of a high melting point metal that is selected from the group consisting of Cu, Ag, Au, Pt, Pd Be, Rh, Ni, Co, Fe, Mo, and alloys thereof;b) 6 to 65% (wt) of a solder that is selected from the group consisting of Sn, Bi, Pb, Cd, Zn, Ga, In, Hg, Sb, and alloy thereof; andc) 5% to 50% (wt) of the thermally curable adhesive flux composition that comprises:(i) a fluxing agent represented by the formula RCOOH, wherein R comprises a moiety having two or more carbon--carbon double bonds;(ii) an effective amount of a double bond containing diluent that is capable of crosslinking with the fluxing agent;(iii) optionally, an effective amount of a source of free radical initiators; and(iv) optionally, an effective amount of a resin.