Metal working – Method of mechanical manufacture – Electrical device making
Patent
1984-07-03
1985-12-17
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
174126S, 174128S, 174 15C, 174 84C, 29871, 29872, H01L 3924
Patent
active
045585121
ABSTRACT:
In a process for making a connection between superconductive wires constituted by one or more strands or filaments of superconductive material embedded in a metallic matrix, the metal constituting the matrix is previously eliminated over a certain length of wire, corresponding to the desired zone of contact between the wires, so as to expose the or each strand of these wires. Thereafter the linkage is established between the strands by exerting thereon a strong pressure, cold.
The visible superconductive strands of the two wires are applied, near one another, on a support. A strip of superconductive material is then applied on the visible strands and a sheath made of a material which is a good conductor of electricity is placed around the assembly constituted by the support, the strands of the superconductive wires and the superconductive strip. This assembly is then subjected to a magnetoforming operation provoking crimping of the outer sheath on the support, with crushing of the superconductive strip on the superconductive strands, thus ensuring the electrical connection of the wires with a very low resistance.
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patent: 584299 (1897-06-01), Weldon
patent: 2803695 (1957-08-01), Woolley, Jr.
patent: 3422529 (1969-01-01), Nuding
patent: 3538596 (1970-11-01), Davis et al.
patent: 3908267 (1975-09-01), Loyd et al.
patent: 4268957 (1981-05-01), Sbuely
patent: 4384168 (1983-05-01), Kenney
Proceedings of the 6th Symposium on Engineering Problems of Fusion Research, Nov. 18-21, 1975, San Diego, Calif., D. N. Cornish et al., "Explosive Joints in NB-TI/CU Composite Superconductors", pp. 106-110.
Chaussy Jacques
Genicon Jean-Louis
Mazuer Jean
Pilon Jean
Sulpice Andre
Centre National de la Recherche Scientifique
Goldberg Howard N.
Rising Vernon K.
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