TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
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Volume 50, Issue 10
Displaying 1-6 of 6 articles from this issue
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Preface
TEION KOGAKU 50th Year Commemorative Articles Editor’s Choice
Review Article
  • Trend in Scribing Technologies for RE-based High-Tc Superconducting Coated Conductors
    Takato MACHI, Jin LIU, Akira IBI, Masataka IWAKUMA, Teruo IZUMI
    2015 Volume 50 Issue 10 Pages 476-482
    Published: October 25, 2015
    Released on J-STAGE: November 30, 2015
    DOIhttps://doi.org/10.2221/jcsj.50.476
    JOURNAL FREE ACCESS
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    Recently, the critical current properties of REBa2Cu3O7-δ (RE123, RE = rare-earth and Y)-coated conductors (CCs) have been remarkably improved. As a result, the time for applying CCs has arrived. One of the major applications of CCs is power devices such as transmission cables, transformers, etc. Since power devices commonly operate using alternating current (AC), it is necessary to reduce AC loss. The other major application of CCs is their use in magnetic coils. In this case, it is important to reduce the effect of shielding current arising from the natural characteristics of Type-II superconductors; especially for magnet applications with high homogeneity and magnetic-field stability, such as magnetic resonance imaging (MRI), nuclear magnetic resonance (NMR) and medical accelerator coils. For these purposes, it is well known that with low-temperature superconducting wires and tapes the multi-filamentary structure is indispensable. In this paper, the approaches to fabricating multi-filamentary CCs are reviewed based on information reported by various research institutions.
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