Manufacturing method of josephson current switch-limiter and device according to this method. RU patent 2420831.

FIELD: electricity.

SUBSTANCE: manufacturing method of Josephson current switch-limiter (JCSL) involves vacuum application of thin granular carbon film on dielectric substrate by means of CVD deposition method by using hydrocarbon gases, such as acetylene, methane and others, as well as their mixture, as raw material for CVD. Deposition is performed in vacuum at temperatures of 700 - 1300°C till thickness of film is equal to 500 - 5000 Е, and metal contacts are applied on film surface. Device with active element on JCSL basis includes active JCSL element, hermetically sealed reed relay, constant magnet, key with trigger mechanism, which are connected according to the scheme excluding formation of electric arc when JCSL is switched.

EFFECT: improving manufacturability of carbon film of JCSL, increasing critical currents and reducing the time of relaxation to initial state after switching.

4 cl, 2 dwg

IPC classes for russian patent Manufacturing method of josephson current switch-limiter and device according to this method. RU patent 2420831. (RU 2420831):

H05K3/18 - using precipitation techniques to apply the conductive material

H01L39/22 - Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices

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