Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1990-03-26
1991-06-04
Snow, Walter E.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324234, 324238, 324242, G01N 2772, G01N 2782, G01R 3312
Patent
active
050217380
ABSTRACT:
A compound eddy current probe comprising a nest of concentric ferrite cup re probes. Both the inner and outer radii of the activated coil can be selectively altered by operator or automatic program to correspond with the size and thickness of the material under test.
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patent: 4620152 (1986-10-01), Bains, Jr.
patent: 4639669 (1987-01-01), Howard et al.
patent: 4719422 (1988-01-01), deWalle et al.
patent: 4745809 (1988-05-01), Collins et al.
patent: 4747310 (1988-05-01), Collins et al.
patent: 4855677 (1989-08-01), Clark, Jr. et al.
Gammell Paul M.
Sircus Brian
Vernon Susan N.
Lewis John D.
Snow Walter E.
The United States of America as represented by the Secretary of
Walden Kenneth E.
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