Method and apparatus for electrically contacting a material spec

Details Method and apparatus for electrically contacting a material spec Method and apparatus for electrically contacting a material spec

1979-11-26

1981-07-28

Krawczewicz, Stanley T.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 54, G01R 2704

Patent

active

042812844

ABSTRACT:
A specimen holder has flexible walls to provide good electrical contact between a material to be tested for its electrical properties and the conductors of a coaxial cable. The walls of the specimen holder are tubular in shape and coaxial and have a plurality of longitudinal slots spaced therearound to provide strips which are flexible in the radial direction. The walls are permanently distorted in a radial direction to urge them towards each other and into spring-like contact with an annular material specimen inserted between them. The specimen holder is particularly suited for measuring the electromagnetic shielding effectiveness of materials.

REFERENCES:
patent: 2747160 (1956-05-01), Bird
patent: 2988740 (1961-06-01), Albanese
patent: 3462682 (1969-08-01), Barnett et al.
patent: 3839672 (1974-10-01), Anderson

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