# US 2014/0194294 A1 · Method for producing superconducting coils and apparatus having a superconducting coil produced in accordance with the method

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- Number: US 2014/0194294 A1
- Document ID: US20140194294A1
- Status: Published application
- Kind: A1
- Application number: 14/240,228
- Filed: 2012-08-06
- Published: 2014-07-10
- Earliest claimed: 2011-08-24
- Assignees: Siemens Aktiengesellschaft
- Inventors: Dierk Schröder
- Web page: https://patentgrep.com/patent/US20140194294A1

## CPC

- H01F 41/048: {Superconductive coils}
- H01F 6/06: Coils, e.g. winding, insulating, terminating or casing arrangements therefor
- H01F 27/2804: {Printed windings}
- H01F 41/047: {structurally combined with superconductive material}
- H01F 41/041: {Printed circuit coils (apparatus or processes for manufacturing printed circuits in general H05K3/00)}
- H10N 60/01: Manufacture or treatment
- H10N 60/20: Permanent superconducting devices
- H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H10N: ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR

## Abstract

The present invention relates to a method for producing superconducting coils (1) having the steps of providing a substrate (2) and applying a superconducting material in the form of at least one coil onto the substrate. The application of the superconducting material is performed by at least one coating method directly on the substrate. Winding coated flat wires can be dispensed with. Furthermore, the present invention comprises a superconducting apparatus comprising a superconducting coil (1) produced in accordance with the method.

## Claims

### Claim at position 1

-11. (canceled)

### Claim 12

A method for producing a superconducting coil, comprising the step of directly coating a superconducting material in the form of at least one coil onto a substrate.

### Claim 13 (depends on 12)

The method of claim 12, wherein the coating step includes a process selected from the group consisting of galvanizing, spraying, sputtering, and vapor deposition.

### Claim 14 (depends on 12)

The method of claim 12, wherein the coating step is executed in a liquid, in air, under an inter-gas atmosphere or under vacuum.

### Claim 15 (depends on 12)

The method of claim 12, wherein the coating step directly forms at least one superconducting conductor.

### Claim 16 (depends on 12)

The method of claim 12, wherein the coating step directly forms a high-temperature superconducting conductor, which also forms the at least one coil.

### Claim 17 (depends on 12)

The method of claim 12, wherein the superconducting material is a ceramic material.

### Claim 18 (depends on 17)

The method of claim 17, wherein the ceramic material is a member selected from the group consisting of SnTi, NbTi, MgB2, BiSrCaCuO, YBaCuO, and any combination thereof.

### Claim 19 (depends on 12)

The method of claim 12, further comprising the step of applying an insulator onto the superconducting material.

### Claim 20 (depends on 19)

The method of claim 19, wherein the applying step is executed by a same process as the coating step is executed.

### Claim 21 (depends on 19)

The method of claim 19, wherein the insulator is made of a material selected from the group consisting of oxidic material and plastic.

### Claim 22 (depends on 21)

The method of claim 21, wherein the oxidic material is metallic oxide.

### Claim 23 (depends on 12)

The method of claim 12, further comprising applying on a surface of the substrate a material selected from the group consisting of adhesive, insulating layer and coating layer.

### Claim 24 (depends on 17)

The method of claim 17, further comprising applying on a surface of the substrate a material selected from the group consisting of adhesive, insulating layer and coating layer to effect epitaxial growth of the superconducting material of ceramic material and enhance adhesion of the superconducting material of ceramic material directly on the substrate.

### Claim 25 (depends on 12)

The method of claim 12, wherein the substrate is configured in the form of a hollow cylinder or shaped to create a race-track.

### Claim 26 (depends on 12)

The method of claim 12, wherein the substrate comprises a material selected from the group consisting of metal and metal oxide.

### Claim 27 (depends on 26)

The method of claim 26, wherein the metal is copper or steel.

### Claim 28

A superconducting apparatus, comprising a superconducting coil produced by directly coating a superconducting material in the form a coil onto a substrate.

### Claim 29 (depends on 28)

The superconducting apparatus of claim 28, wherein the superconducting coil is a high-temperature superconducting coil.

### Claim 30 (depends on 28)

The superconducting apparatus of claim 28, constructed in the form of an electric motor, a current limiter, a magnetic resonance tomograph, or a fusion reactor.