Patent ID: 6413651
Filing Date: 2002-07-02
Classification: B23K,B32B,C22C,Y10T

Abstract:
A composite metal coil/plate, comprising:a parent metal coil/plate; a clad metal coil/plate; and an interlayer between the parent metal coil/plate and the clad metal coil/plate, and wherein the interlayer is composed of atoms of a brazing filler, the parent metal coil/plate and the clad metal coil/plate, is 2Ëœ10 &mgr;m in thickness, and comprises: Ni in the amount ranging from about 4% to about 13% by weight; Zn in the amount ranging from about 15% to about 33% by weight; Sn in the amount ranging from about 3% to about 10% by weight; Mn in the amount ranging from about 2% to about 4% by weight; P in the amount ranging from about 0.1% to about 2% by weight; Si in the amount ranging from about 0.1% to about 0.4% by weight; Ag in the amount ranging from about 1% to about 2% by weight; C in the amount ranging from about 0.002% to about 0.003% by weight; Fe in the amount ranging from about 10% to about 15% by weight; and residue Cu.