Superconducting accelerating tube and a method for manufacturing

Details Superconducting accelerating tube and a method for manufacturing Superconducting accelerating tube and a method for manufacturing

1991-08-15

1993-08-24

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

29599, 315 35, 315 541, B23K 2612, H05H 720

Patent

active

052391574

ABSTRACT:
A superconducting accelerating tube which is constructed in a manner such that a plurality of components, formed of a superconducting material and individually having peripheral end portions adapted to be butted to one another, are butted to one another at the peripheral end portions, and the butting portions butted to one another are welded together. In the superconducting accelerating tube according to the present invention, the butting portions are welded by means of a laser beam, and the laser beam is applied to the butting portions so that the components are laser-welded to one another. Preferably, the accelerating tube is designed so that at least only the respective inner surfaces of the butting portions are laser-welded, and the depth of welding is not greater than half the thickness of the superconducting material and not smaller than 150 .mu.m.

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Patent Abstracts of Japan, vol. 14, No. 205, Apr. 1990, & JP-A-044 661.
Patent Abstracts of Japan, vol. 15, No. 371, Sep. 1991, & JP-A-03 147 299.
IEEE Transactions on Nuclear Science, vol. 30, No. 4, Aug. 1983, pp. 3354-3356, Superconducting Cavities from Niobium-Copper Material, H. Padamsee.

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