Patent ID: 9546418
Date: 2017-01-17
CPC Classifications: C23C,H01J

Claim:
1. A method of making a target/backing plate assembly comprising: (a) providing a target blank of a first metal or alloy, said target blank having a first surface defining a sputtering surface, and a second surface; (b)(i) providing a second metal or alloy and (ii) placing said second metal or alloy alongside said first and second target surfaces; (c)(i) providing a backing plate and (ii) placing said backing plate adjacent said second metal or alloy that is positioned alongside said second target surface; said target blank, second metal and backing plate thereby defining a combined assembly; (d) diffusion bonding said combined assembly to form a diffusion bonded assembly; and (e) removing at least a portion of said second metal alongside said sputtering surface of said target thereby exposing at least a portion of said sputtering surface.