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Method for producing substrates for superconducting layers

A superconducting and substrate technology, applied in the manufacture/processing of superconducting devices, superconducting devices, superconducting components, etc., can solve problems such as unsuitable for continuous processing of strips, and achieve the effect of reducing material costs

Active Publication Date: 2015-03-04
DANMARKS TEKNISKE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] A problem with the prior art method can be seen in that the prior art method is not suitable for efficiently and cheaply processing such longer lengths of tape continuously, enabling low material consumption and / or providing good performance for superconducting tape. substrate

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  • Method for producing substrates for superconducting layers
  • Method for producing substrates for superconducting layers
  • Method for producing substrates for superconducting layers

Examples

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Embodiment Construction

[0113] figure 1 A typical superconductor structure is shown, which is a sandwich structure including a substrate 106 , a buffer layer 104 and a superconducting material 102 . In this figure, it is assumed that the current flows through the superconducting material 102 in the z-direction.

[0114] When the superconducting material is a relatively wide (where the width is measured in the x-direction) layer of material, such as when formed as a layer on a wide planar substrate, the superconducting layer exhibits considerable AC losses, which will be achieved by combining a single, A wide superconducting layer becomes a plurality of relatively narrow lines (i.e. lines in the yx plane with a cross section in which the width measured in the x direction is smaller compared to the original wide layer) to reduce .

[0115] figure 2 is a top view of a superconducting material, wherein the left side (a) shows a superconductor without striae 208 formed on a planar layer, and the right...

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Abstract

There is provided a method for producing a substrate (600) suitable for supporting an elongated superconducting element, wherein, e.g., a deformation process is utilized in order to form disruptive strips in a layered solid element, and where etching is used to form undercut volumes (330, 332) between an upper layer (316) and a lower layer (303) of the layered solid element. Such relatively simple steps enable providing a substrate which may be turned into a superconducting structure, such as a superconducting tape, having reduced AC losses, since the undercut volumes (330, 332) may be useful for separating layers of material. In a further embodiment, there is placed a superconducting layer on top of the upper layer (316) and / or lower layer (303), so as to provide a superconducting structure with reduced AC losses.

Description

technical field [0001] The invention relates to a method for producing a substrate, and in particular a substrate suitable for supporting elongate superconducting elements, and a corresponding method for producing and using such a substrate. Background technique [0002] Superconducting structures may be viewed as advantageous due to their ability to conduct electrical current without resistive losses. Superconducting structures such as superconducting tapes are therefore used in numerous applications, such as generators and transformers. However, while superconducting structures have excellent performance in transmitting direct current, the superconducting structures may exhibit high losses when used in alternating current (AC) applications. [0003] Currently available devices for reducing AC losses may not be suitable for processing longer lengths of superconducting tape in a direct manner. [0004] In application US 7,593,758 B2 a strip with segmented high-temperature ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L39/14H01L39/24H10N60/20H10N60/01H10N60/85
CPCH01L39/2454H01L39/248H01L39/143Y10T29/49014H10N60/203H10N60/0576H10N60/0801H10N60/85H10N60/01H05K1/092
Inventor 安德斯·克里斯蒂安·武尔夫
Owner DANMARKS TEKNISKE UNIV
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