Method of measuring dielectric material constants and measuring

Details Method of measuring dielectric material constants and measuring Method of measuring dielectric material constants and measuring

1990-07-09

1992-06-02

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

324632, 324636, 324703, 219 1055A, 374122, G01R 2704

Patent

active

051190346

ABSTRACT:
A method of measuring dielectric material constants, which includes steps of forming a dielectric resonator by providing a plurality of coupling terminals for input and output of signals, on a shield case, with a dielectric sample being disposed within the shield case, constituting an oscillation circuit together with the dielectric resonator by connecting a positive feed-back circuit including an amplification circuit, between the signal output coupling means and the signal output coupling means, and measuring variation in an oscillation frequency of the oscillation circuit by heating the dielectric sample through injection of a high frequency power into the particular coupling terminal, so as to obtain a specific material constant of the dielectric sample based on the variation of the oscillation frequency, and, also a measuring device employed for effecting the measuring method.

REFERENCES:
patent: 3927369 (1975-12-01), Billeter
patent: 4870235 (1989-09-01), Steers
patent: 4899100 (1990-02-01), Talanker

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