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Browse Prior Art Database

Optical Inspection System

IP.com Disclosure Number: IPCOM000051541D
Original Publication Date: 1981-Feb-01
Included in the Prior Art Database: 2005-Feb-10

Publishing Venue

IBM

Related People

Authors:
Strope, DH Tobin, BM Trudgen, GA Zevotek, RL [+details]

Abstract

Inspection of printed circuit clearance holes for imperfections can be performed by a scanning linear array of charge-coupled photodiodes in conjunction with a data display and processor.