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Browse Prior Art Database

Part Inspection using Wedge Illumination

IP.com Disclosure Number: IPCOM000040940D
Original Publication Date: 1987-Apr-01
Included in the Prior Art Database: 2005-Feb-02

Publishing Venue

IBM

Related People

Authors:
Begnoche, N Gagne, DJ [+details]

Abstract

As part of a visual inspection system, this invention automates the inspection of three-dimensional parts such as pins on ceramic substrates, solder balls on substrates, contamination particles on glass slides.