Browse Prior Art Database

Detection of Underfilled Holes in a Ceramic Sheet

IP.com Disclosure Number: IPCOM000054633D
Original Publication Date: 1980-Mar-01
Included in the Prior Art Database: 2005-Feb-13

Publishing Venue

IBM

Related People

Authors:
Crisafi, F [+details]

Abstract

Automated inspection of via holes filled with molybdenum paste can be accomplished with a scanning light spot and properly oriented photomultipliers (PMTs).