| abstract |
A curable flux composition is provided, comprising, as initial components: a resin component having at least two oxirane groups per molecule; a fluxing agent represented by formula I: n nwherein R 1 , R 2 , R 3 and R 4 are independently selected from a hydrogen, a substituted C 1-80 alkyl group, an unsubstituted C 1-80 alkyl group, a substituted C 7-80 arylalkyl group and an unsubstituted C 7-80 arylalkyl group; and wherein zero to three of R 1 , R 2 , R 3 and R 4 is(are) hydrogen; and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable flux composition. |