Method for measuring complex dielectric constant or complex magn

Details Method for measuring complex dielectric constant or complex magn Method for measuring complex dielectric constant or complex magn

1987-02-24

1989-01-31

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324585A, G01N 2200

Patent

active

048018627

ABSTRACT:
Method for measuring complex dielectric or magnetic constant of materials in three-dimensional directions comprising the steps of: inserting a specimen held by a rotary holder into a slit which is provided in such a position corresponding to the antinode or belly portion of electric or magnetic field of a cavity resonator that the slit fully turns around the four-side walls of the cavity resonator in a plane perpendicular to the axis thereof to rotatably accommodate the holder about the axis; measuring the respective resonant frequencies f.sub.1 and f.sub.2 and the respective Q-values Q.sub.1 and Q.sub.2 of the cavity resonator before and after inserting said specimen into the split; and calculating the complex dielectric or magnetic constant for each of some rotation angles of the holder and each of some insertion dispositions of the specimen to the holder.

REFERENCES:
patent: 4087746 (1978-05-01), Kanae
patent: 4211970 (1980-07-01), Fitzky et al.
patent: 4257001 (1981-03-01), Partain et al.
patent: 4507602 (1985-03-01), Aquirre
patent: 4581575 (1986-04-01), Osaki et al.

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