Method and apparatus for detecting inconsistencies in cured...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Reexamination Certificate

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C324S655000, C324S663000, C073S780000

Reexamination Certificate

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07605593

ABSTRACT:
Inconsistencies in a resin-based part are detected using a capacitive coupling probe having a tuned circuit and an impedance matching element. An alternating electric field produced by the probe penetrates the part. Inconsistencies in the resin part result in changes in the resonance of the circuit which are detected by a network analyzer.

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patent: PCT/US2007/022236 (2007-10-01), None
King, R.J., “On-line Industrial Applications of Microwave Moisture Sensors”, Sensors Update, vol. 7, 2000, pp. 109 to 170.
Knochel, R., “Technology and Signal Processing of Dielectrometric Microwave Sensors for Industrial Applications”, Transactions of The Metal Finishers Association of India, XX, vol. 7, 2000, pp. 65 to 105.

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