Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1984-12-03
1987-04-14
Childs, Sadie L.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427 62, 427250, 4272552, 4272557, 427404, 4274197, B05D 306, C23C 1636
Patent
active
046577769
ABSTRACT:
Manufacture of superconducting fiber bundle coated with niobium carbonitride by a combination of the CVD process with a plasma activation under a low total gas pressure in which niobium chloride, carbon and nitrogen are reacted to produce the niobium compound which deposits from the gaseous phase on the carrier fiber to form a superconducting layer thereon. The combination of CVD process and plasma activation produces more uniform superconducting layers with smaller grain sizes. The application of an ultrasonic field may be combined with the CVD process. The superconducting layer consists of fine-grained B1-structure niobium compound, the mean grain size of which is between 3 and 50 nm.
REFERENCES:
patent: 3656995 (1972-04-01), Reedy
patent: 4196233 (1980-04-01), Bitzer, et al.
patent: 4299861 (1981-11-01), Dietrich et al.
patent: 4402993 (1983-09-01), Aisenberg et al.
patent: 4510172 (1985-04-01), Ray
Dietrich Manfred
Dustmann Cord-Heinrich
Schmaderer Franz
Wahl Georg F. H.
Brown Boveri & Cie AG
Childs Sadie L.
Greenberg Laurence A.
Kernforschungs-Zentrum Karlsruhe GmbH
Lerner Herbert L.
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