Coaxial line for a cryogenic device

This line comprises, in a known manner, a central conductor (6) surrounded by a dielectric (8) which is itself surrounded by an outer conductor (10). According to the invention the dielectric (8) is highly porous, with open cells, and the external conductor (10) has an opening such as a longitudinal...

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Bibliographic Details
Main Authors DURET, DENIS, BON MARDION, MICHEL, LOCATELLI, MARCEL
Format Patent
LanguageEnglish
French
German
Published 12.03.1986
Edition4
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
TESTING
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Summary:This line comprises, in a known manner, a central conductor (6) surrounded by a dielectric (8) which is itself surrounded by an outer conductor (10). According to the invention the dielectric (8) is highly porous, with open cells, and the external conductor (10) has an opening such as a longitudinal or spiral slot (12) to allow cold vapours to penetrate into the coaxial line. Application to the use of cryogenic systems in electronics. Figure 5. Ligne coaxiale pour cryogénie. Cette ligne comporte, de manière connue, un conducteur central (6) entouré d'un diélectrique (8) lui-même entouré d'un conducteur extérieur (10); selon l'invention, le diélectrique (8) a une grande porosité ouverte et le conducteur extérieur (10) présente une ouverture telle qu'une fente longitudinale ou spirale (12) pour permettre la pénétration des vapeurs froides à l'intérieur de la ligne coaxiale. Application à l'utilisation des systèmes cryogèniques dans le domaine de l'électronique.
Bibliography:Application Number: EP19850401576