SOLDER PASTE AND FLUX FOR SOLDER JOINT FORMING

摘要

PROBLEM TO BE SOLVED: To supply a solder paste and flux which are effective in forming tin/zinc solder jointing. ;SOLUTION: In this solder paste, the solder powder is mixed with the flux containing the components selected from a group of vitamin A, vitamin B₁, vitamin B₂, vitamin B₆, vitamin B₁₂, vitamin C, vitamin D₂, vitamin D₃, vitamin E, vitamin F, vitamin H, vitamin K₁, vitamin K₃, vitamin L₁, vitamin L₂, vitamin M, vitamin P, vitamin R, vitamin U, vitamin Y, pantothenic acid, nicotinic acid, nicotinic acid amido, rutin, thioctic acid, thioctic acid amido, and ortoic acid.;COPYRIGHT: (C)1999,JPO