Patent ID: 9676060
Date: 2017-06-13
CPC Classifications: B22F,B23K,C22C,C23C

Claim:
1. A method for treating a Cu thin sheet, comprising the steps of: supplying a slurry in which a diffusion bonding aid and a reinforcing material are dispersed in a solvent to a predetermined portion on a Cu or Cu base alloy thin sheet, drying the supplied slurry, and applying a laser to induce melting, solidification, and fixation, so as to form a buildup layer, wherein (a) a Ni or Ni—Cr alloy powder is used as the diffusion bonding aid, (b) a carbide base metal compound, a nitride base metal compound, or a boride base metal compound is used as the reinforcing material, and the weight ratio of the diffusion bonding aid to the reinforcing material is specified to be 80:20 to 50:50, and (c) the median diameters D