Connection structure of high-temperature superconducting wire piece, high-temperature superconducting wire using connection structure, and high-temperature superconducting coil using connection structure

Patent metadata

Field	Value
Publication number	US-2016240284-A1
Application number	US-201615042449-A
Country	US
Kind code	A1
Filing date	Feb 12, 2016
Priority date	Feb 13, 2015
Publication date	Aug 18, 2016
Grant date	—

Abstract

A connection structure of a multi-layer wire includes at least a substrate, a high-temperature superconducting layer, a tape-type laminated body, a conductor layer, and a passage forming body. The high-temperature superconducting layer is formed on one surface of the substrate. The tape-type laminated body including at least the substrate and the high-temperature superconducting layer. The conductor layer covering an outer periphery of the tape-type laminated body. The passage forming body serving as a flowing path of a superconducting current generated in the high-temperature superconducting wire piece. The passage forming body is bonded by a bonding material is arranged on a side surface of the conductor layer, the side surface being located on an opposite side to the high-temperature superconducting layer with respect to the substrate.

First claim

What is claimed is:

1 . A connection structure of a high-temperature superconducting wire piece, comprising:
a substrate; a high-temperature superconducting layer formed on one surface of the substrate; a tape-type laminated body including at least the substrate and the high-temperature superconducting layer; a conductor layer covering an outer periphery of the tape-type laminated body; and a passage forming body serving as a flowing path of a superconducting current generated in the high-temperature superconducting wire piece, wherein the passage forming body is bonded by a bonding material arranged on a side surface of the conductor layer, the side surface being located on an opposite side to the high-temperature superconducting layer with respect to the substrate.

2 . The connection structure of the high-temperature superconducting wire piece according to claim 1 , wherein
the passage forming body is a second high-temperature superconducting wire piece, the second high-temperature superconducting wire piece includes a second substrate, a second high-temperature superconducting layer formed on one surface of the second substrate, a second tape-type laminated body including at least the second substrate and the second high-temperature superconducting layer, and a second conductor layer covering an outer periphery of the second tape-type laminated body, and the bonding material is arranged on a side surface of the second conductor layer, the side surface being located on an opposite side to the second high-temperature superconducting layer with respect to the second substrate.

3 . The connection structure of the high-temperature superconducting wire piece according to claim 1 , wherein
the passage forming body is a lead-out electrode which is connected to an end portion of the high-temperature superconducting wire pieces wound into a coil to allow the superconducting current to flow to the outside of the coil.

4 . The connection structure of the high-temperature superconducting wire piece according to one of claim 1 , wherein
the passage forming body is a connection conductor which electrically connects two coils, each coil being formed by winding the high-temperature superconducting wire piece.

5 . The connection structure of the high-temperature superconducting wire piece according to claim 1 , wherein
the passage forming body is a high-temperature superconductivity silver sheathed wire.

6 . The connection structure of the high-temperature superconducting wire piece according to claim 5 , wherein
the passage forming body is a wire piece whose length along a tape longitudinal direction of the high-temperature superconducting wire piece is 50 times or less than a length in a direction perpendicular to the tape longitudinal direction.

7 . The high-temperature superconducting wire according to claim 6 , comprising a connection structure in which the side surfaces of two or more of the high-temperature superconducting wire pieces are arranged in a same direction and are connected to each other by the wire piece.

8 . A high-temperature superconducting wire using the connection structure of the high-temperature superconducting wire piece according to claim 1 .

9 . A high-temperature superconducting coil using the connection structure of the high-temperature superconducting wire piece according to claim 1 .

Assignees

• Toshiba Kk

Inventors

• Tosaka Taizo
• Miyazaki Hiroshi
• Iwai Sadanori
• Takayama Shigeki
• Koyanagi Kei
• Tasaki Kenji

Classifications

• H01B12/06 Primary

  Films or wires on bases or cores · CPC title

• H01F6/06

  Coils, e.g. winding, insulating, terminating or casing arrangements therefor · CPC title

• H10N60/80

  Constructional details · CPC title

• H02G15/34

  Cable fittings for cryogenic cables {(superconductive cables per se H01B12/00)} · CPC title

• H01R4/68

  Connections to or between superconductive connectors · CPC title