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Ultrasonic evaluation of high-voltage circuit boardsUltrasonic transmission technique, using reflector plate, indicates resistance to corona formation. Technique is useful as tool for mapping specific panels to permit selecting best areas of laminate for circuit board use. Procedure is relatively safe, fast, inexpensive, and uses commercially-available equipment.
Document ID
19780000087
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Klima, S. J.
Riley, T. J.
Date Acquired
August 9, 2013
Publication Date
June 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LEW-12781
Accession Number
78B10087
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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