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Optical system facilitates inspection of printed circuit boardsOptical comparator method determines the quality and registration of surface features of double-sided printed circuit boards. Color-coded superimposed images of both sides of a printed circuit board are presented to view, clearly showing details and registration of the circuitry.
Document ID
19680000021
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Cridlin, M.
Oconnor, J.
Date Acquired
August 4, 2013
Publication Date
January 1, 1968
Subject Category
Physical Sciences
Report/Patent Number
GSC-07971
Report Number: GSC-07971
Accession Number
68B10021
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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