Superconducting fiber and a method for preparing the same
AssigneeSumitomo Electric Industries, Ltd.
InventorsSaburo Tanaka, Hideo Itozaki, Takeshi Yamaguchi, Shuji Yazu, Tetsuji Jodai
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Abstract
A superconducting fiber comprising a core filament composed of an oxide such as MgO and a superconducting thin film layer composed of superconducting compound oxide such as YBa.sub.2 Cu.sub.3 O.sub.7-.delta. and deposited continuously on an outer surface of said core filament.
Claims22
A high Tc superconducting fiber comprising a core filament consisting essentially of an oxide and a superconducting thin film layer composed mainly of a superconducting compound oxide, which is deposited continuously on an outer surface of said core filament and a protective layer which covers an outer surface of said superconducting thin film layer, said oxide of which the core filament is made being a crystalline oxide having an arrangement of atoms in a lattice plane nearly matched by an arrangement of atoms in a predetermined lattice plane of a crystal of said superconducting compound oxide, mismatching of said arrangement of atoms in said lattice plane in said superconducting compound oxide and said lattice plane in said crystalline oxide of said core filament being less than 30%.
A high Tc superconducting fiber having a core filament comprising a crystalline oxide selected from the group consisting of MgO, SrTiO.sub.3, ZrO.sub.2, SiO.sub.2, and quartz, and a high Tc superconducting thin film layer composed mainly of a high Tc superconducting compound oxide, which is deposited continuously on an outer surface of said core filament and a protective layer which covers an outer surface of said high Tc superconducting thin film layer, said oxide of which the core filament is made having an arrangement of atoms in a lattice plane nearly matched by an arrangement of atoms in a predetermined lattice plane of a crystal of said high Tc superconducting compound oxide, mismatching of said arrangement of atoms in said lattice plane in said high Tc superconducting compound oxide and said lattice plane in said crystalline oxide of said core filament being less than 30%.
Dependencies are inferred from the claim text.