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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

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Begnoche, N Gagne, DJ [+details]


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.