Metallic coating measuring method and apparatus

Details Metallic coating measuring method and apparatus Metallic coating measuring method and apparatus

1990-08-02

1992-02-25

Wieder, Kenneth A.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

G01B 710, G01R 3312

Patent

active

050916963

ABSTRACT:
A metallic material measuring method and apparatus. The material is positioned within a coil and a high frequency alternating current is applied to the coil. The change in inductive resistance in the coil from a reference state to a state where the material to be measured is positioned within the coil allows a determination of the properties of the metallic materials to be made.

REFERENCES:
patent: 4255709 (1981-03-01), Zatsepin et al.
patent: 4593244 (1986-06-01), Summers et al.
patent: 4673877 (1987-06-01), Sakamoto et al.
patent: 4752739 (1988-06-01), Wang
patent: 4763071 (1988-08-01), McGee et al.
patent: 4843319 (1986-06-01), Lara
patent: 4843320 (1989-06-01), Spies

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