Impedance sensing of flaws in non-homogeneous materials
Patent
·
OSTI ID:441874
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.
- Research Organization:
- AT&T
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- Sandia Corp., Albuquerque, NM (United States)
- Patent Number(s):
- US 5,602,486/A/
- Application Number:
- PAN: 8-336,999
- OSTI ID:
- 441874
- Resource Relation:
- Other Information: PBD: 11 Feb 1997
- Country of Publication:
- United States
- Language:
- English
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