Patent ID: 6180171
Filing Date: 2001-01-30
Classification: B23P,H05K,Y10T

Abstract:
A method of producing a plated product in which a surface of a metallic or nonmetallic material is plated, comprising causing the tip of a needle or a drawn wire material of a diameter of 3.about.95 .mu.m to penetrate said surface of said material at an angle of less than 90 degrees, but more than 45 degrees, withdrawing said needle or said drawn wire material from said material and repeating this process so as to provide at said surface of said material many recesses, each having an opening of a diameter of 5.about.100 .mu.m and a depth of 0.2 d.about.d .mu.m, where d is the diameter of the opening in units of .mu.m, and having an anchor portion, and covering said surface of said material that includes said recesses with a film of metal.