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Detection of Entrapped Electrolyte

IP.com Disclosure Number: IPCOM000062773D
Original Publication Date: 1986-Dec-01
Included in the Prior Art Database: 2005-Mar-09

Publishing Venue

IBM

Related People

Authors:
Hartley, PA Murcko, RM [+details]

Abstract

Electrolyte that becomes trapped within circuit boards when plating the through-holes can be located by immersing the plated board in a bath of heated fluorocarbon and confining the outgassing vapors to the faulty holes with the use of a suitable through, i.e., transparent, mask.