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Measurement of surface roughness slopeInstrument, consisting of isolator, differentiator, absolute value circuit, and integrator, uses output signal from surface texture analyzer profile-amplifier to calculate surface roughness slope. Calculations provide accurate, instantaneous value of the slope. Instrument is inexpensive and applicable to any commerical surface texture analyzer.
Document ID
19700000691
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Cassidy, J. F.
Donner, H. C.
Date Acquired
August 5, 2013
Publication Date
December 1, 1970
Subject Category
Electronic Components And Circuits
Report/Patent Number
LEW-11080
Report Number: LEW-11080
Accession Number
70B10722
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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