Impedance sensing of flaws in non-homogenous materials

Patent · Wed Jan 01 00:00:00 EST 1997

OSTI ID:870828

Novak, James L ^[1]

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1. Albuquerque, NM

An apparatus and method 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.

• Research Organization: AT&T
• DOE Contract Number: AC04-76DP00789
• Assignee: Sandia Corporation (Albuquerque, NM)
• Patent Number(s): US 5602486
• OSTI ID: 870828
• Country of Publication: United States
• Language: English

Related Subjects

impedance
sensing
flaws
non-homogenous
materials
apparatus
method
impedances
placed
contact
therewith
comprises
plurality
drive
electrodes
sense
rotating
electric
fields
shaped
provided
analysis
structure
composition
orientations
depths
contact therewith
electric field
electric fields
rotating electric
shaped electric
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