Impedance sensing of flaws in non-homogeneous materials
Abstract
An apparatus and method are disclosed for sensing impedances of materials placed in contact therewith. The invention comprises a plurality of drive electrodes and one or more sense electrodes. Both rotating electric fields and differently shaped electric fields are provided for, as are analysis of structure and composition at different orientations and depths. 10 figs.
- Inventors:
- Issue Date:
- Research Org.:
- AT&T
- OSTI Identifier:
- 441874
- Patent Number(s):
- 5602486
- Application Number:
- PAN: 8-336,999
- Assignee:
- Sandia Corp., Albuquerque, NM (United States)
- DOE Contract Number:
- AC04-76DP00789
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 11 Feb 1997
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; ELECTRICAL TESTING; DEFECTS; MEASURING METHODS; ELECTRODES; ELECTRIC FIELDS; IMPEDANCE
Citation Formats
Novak, J L. Impedance sensing of flaws in non-homogeneous materials. United States: N. p., 1997.
Web.
Novak, J L. Impedance sensing of flaws in non-homogeneous materials. United States.
Novak, J L. Tue .
"Impedance sensing of flaws in non-homogeneous materials". United States.
@article{osti_441874,
title = {Impedance sensing of flaws in non-homogeneous materials},
author = {Novak, J L},
abstractNote = {An apparatus and method are disclosed for sensing impedances of materials placed in contact therewith. The invention comprises a plurality of drive electrodes and one or more sense electrodes. Both rotating electric fields and differently shaped electric fields are provided for, as are analysis of structure and composition at different orientations and depths. 10 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 11 00:00:00 EST 1997},
month = {Tue Feb 11 00:00:00 EST 1997}
}
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