Method of preparing oxide high-temperature superconductor

Details Method of preparing oxide high-temperature superconductor Method of preparing oxide high-temperature superconductor

1994-09-29

1997-09-02

Wyszomierski, George

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

Process of making wire, tape, cable, coil, or fiber

505500, 148 96, H01L 3924

Patent

active

056631200

ABSTRACT:
In order to prevent expansion of a metal sheath which is heat treated in order to form an oxide high-temperature superconductor therein, the heat treatment temperature is held at a certain level in an intermediate stage of temperature rising in a step of heat treating the metal sheath after filling raw material for an oxide high-temperature superconductor into the metal sheath. After the heat treatment temperature is thus held at the certain level, the metal sheath is again heated to a target temperature. Preferably, the heat treatment temperature is held at a level which is selected in a range of at least 500.degree. C. and not more than 750.degree. C.

REFERENCES:
patent: 5264414 (1993-11-01), Subramanian
patent: 5288699 (1994-02-01), Sato et al.
patent: 5378684 (1995-01-01), Hirata et al.

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