# US 2014/0155269 A1 · Oxide superconductor wire and superconducting coil

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- Number: US 2014/0155269 A1
- Document ID: US20140155269A1
- Status: Published application
- Kind: A1
- Application number: 14/175,066
- Filed: 2014-02-07
- Published: 2014-06-05
- Earliest claimed: 2012-06-11
- Assignees: Fujikura Ltd.
- Applicants: Fujikura Ltd.
- Inventors: Masanori DAIBO
- Web page: https://patentgrep.com/patent/US20140155269A1

## CPC

- H01B 12/02: characterised by their form
- H01B 3/445: {from vinylfluorides or other fluoroethylenic compounds}
- H01F 6/06: Coils, e.g. winding, insulating, terminating or casing arrangements therefor
- H10N 60/203: {comprising high-Tc ceramic materials}
- H01B 3/308: {Wires with resins}
- H01B 7/00: Insulated conductors or cables characterised by their form
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})
- H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H10N: ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR

## Abstract

An oxide superconductor wire includes: a superconductor laminate that comprises a substrate which is formed in a tape shape and an intermediate layer, an oxide superconductor layer, and a metal stabilizing layer which are laminated on the substrate; and an insulating coating layer that covers an outside surface of the superconductor laminate, Also, either the entire outside surface or the entire inside surface of the insulating coating layer is coated with a coating layer formed of a fluororesin.

## Claims

### Claim 1

An oxide superconductor wire comprising:
a superconductor laminate that comprises a substrate which is formed in a tape shape and an intermediate layer, an oxide superconductor layer, and a metal stabilizing layer which are laminated on the substrate; and
an insulating coating layer that covers an outside surface of the superconductor laminate, wherein
either an entire outside surface or an entire inside surface of the insulating coating layer is coated with a coating layer formed of a fluororesin.

### Claim 2 (depends on 1)

The oxide superconductor wire according to claim 1, wherein
both the entire outside surface and the entire inside surface of the insulating coating layer are coated with the coating layer.

### Claim 3 (depends on 1)

The oxide superconductor wire according to claim 1, wherein
the insulating coating layer is formed by winding an insulating tape around the superconductor laminate, the insulating tape being coated with the coating layer.

### Claim 4 (depends on 3)

The oxide superconductor wire according to claim 3, wherein
at least one sheet of the insulating tape is wound around the superconductor laminate so as to cover the entire outside surface thereof.

### Claim 5 (depends on 1)

The oxide superconductor wire according to claim 1, wherein
the thickness of the coating layer is 1 to 10 μm.

### Claim 6 (depends on 2)

The oxide superconductor wire according to claim 2, wherein
the thickness of the coating layer is 1 to 10 μm.

### Claim 7 (depends on 3)

The oxide superconductor wire according to claim 3, wherein
the thickness of the coating layer is 1 to 10 μm.

### Claim 8 (depends on 4)

The oxide superconductor wire according to claim 4, wherein
the thickness of the coating layer is 1 to 10 μm.

### Claim 9 (depends on 1)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 1 therearound.

### Claim 10 (depends on 2)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 2 therearound.

### Claim 11 (depends on 3)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 3 therearound.

### Claim 12 (depends on 4)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 4 therearound.

### Claim 13 (depends on 5)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 5 therearound.

### Claim 14 (depends on 6)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 6 therearound.

### Claim 15 (depends on 7)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 7 therearound.

### Claim 16 (depends on 8)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 8 therearound.

### Claim 17 (depends on 4)

A superconducting coil comprising
a coil body that is formed by winding the oxide superconductor wire according to claim 4, wherein
a ratio of an outer diameter of the superconducting coil to an inner diameter of the superconducting coil is higher than or equal to 2.

### Claim 18 (depends on 9)

The superconducting coil according to claim 9, wherein
the coil body is covered with an impregnating resin.

### Claim 19 (depends on 17)

The superconducting coil according to claim 17, wherein
the coil body is covered with an impregnating resin.
