Manufacturing method of superconducting wire

摘要

Powder (1) including at least a superconducting phase is degassed (step S1). After the powder is filled in a silver pipe (2) (step S2), the silver pipe (2) is degassed at a high temperature (step S3). After a plurality of single-core wires (3) are inserted into another silver pipe (4) to attain a multi-core structure, the silver pipe (4) is degassed at a high temperature (step S5). The silver pipe (4) is sealed under a reduced pressure (step S6). Therefore, even when a multi-core superconducting wire is manufactured, a manufaturing method of a superconducting wire can be obtained which is capable of preventing swelling of the wire caused by a residual gaseous component.