Patent ID: 6770369
Filing Date: 2004-08-03
Classification: B22F,C23C,H01R,Y10T

Abstract:
A conductive electrolessly plated powder comprising a spherical core particle having an average particle diameter of 1-20 &mgr;m, wherein said particles include an electrolessly plated coating of a nickel or nickel alloy on surfaces thereof, and further wherein:said plated powder includes small projections of 0.05 to 4 &mgr;m on the exterior of said coating; said small projections are distributed over said coating; and an amount of nickel eluting from said plated powder is 0.001 g/g or less for 1 g of said plated powder, when 10 g of said plated powder is added with 50 mL of demineralized water and is subject to ultrasonic waves for 10 minutes at a resonance frequency of 28 KHz and ultrasonic output of 100 W.