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Title: Ferromagnetic resonance probe liftoff suppression apparatus

Abstract

A liftoff suppression apparatus utilizing a liftoff sensing coil to sense the amount a ferromagnetic resonance probe lifts off the test surface during flaw detection and utilizing the liftoff signal to modulate the probe's field modulating coil to suppress the liftoff effects.

Inventors:
 [1];  [2]
+ Show Inventor Affiliations
  1. Issaquah, WA
  2. West Richland, WA
Issue Date:
Research Org.:
Battelle Memorial Institute, Columbus, OH (United States)
OSTI Identifier:
865511
Patent Number(s):
4528506
Assignee:
United States of America as represented by Secretary of Air (Washington, DC)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
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DOE Contract Number:  
AC06-76RL01830
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
ferromagnetic; resonance; probe; liftoff; suppression; apparatus; utilizing; sensing; coil; sense; amount; lifts; surface; flaw; detection; signal; modulate; field; modulating; suppress; effects; sensing coil; magnetic resonance; flaw detection; apparatus utilizing; resonance probe; suppression apparatus; ferromagnetic resonance; liftoff suppression; /324/

Citation Formats

Davis, Thomas J, and Tomeraasen, Paul L. Ferromagnetic resonance probe liftoff suppression apparatus. United States: N. p., 1985. Web.
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Davis, Thomas J, & Tomeraasen, Paul L. Ferromagnetic resonance probe liftoff suppression apparatus. United States.
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Davis, Thomas J, and Tomeraasen, Paul L. Tue . "Ferromagnetic resonance probe liftoff suppression apparatus". United States. https://www.osti.gov/servlets/purl/865511.
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@article{osti_865511,
title = {Ferromagnetic resonance probe liftoff suppression apparatus},
author = {Davis, Thomas J and Tomeraasen, Paul L},
abstractNote = {A liftoff suppression apparatus utilizing a liftoff sensing coil to sense the amount a ferromagnetic resonance probe lifts off the test surface during flaw detection and utilizing the liftoff signal to modulate the probe's field modulating coil to suppress the liftoff effects.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1985},
month = {1}
}
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