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Gold Plating Circuit Cards Without Using Commoning Bars

IP.com Disclosure Number: IPCOM000060682D
Original Publication Date: 1986-Apr-01
Included in the Prior Art Database: 2005-Mar-09

Publishing Venue

IBM

Related People

Authors:
Kingsley, BE Redolphy, RJ [+details]

Abstract

The gold plating of selected areas of printed circuit cards is conventionally done by using commoning bars. This is not feasible in those situations where density or location prohibits it. A technique to eliminate the need for a commoning bar is provided in a process flow that uses a copper plating technique. The process is as follows.