Title :
Sheet and plated-metal measurements
Author :
Yates, W. A. ; Queen, J. L.
Author_Institution :
National Bureau of Standards, Washington, D. C.; ACF Electronics, Alexandria, Va.
Abstract :
IN THE FIELD of metal thickness and nondestructive plating depth measurement some need exists for a non-contacting instrument suitable for the continuous inspection of samples in motion. This article describes the basic operation of a direct reading instrument of this type for nonmagnetic metals.
Keywords :
Conductivity; Phosphors; Probes; Silver; Transducers;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1954.6439011