Processing for long YBCO coated conductors by advanced TFA-MOD process

Hiroshi Fuji, Tetsuji Honjo, Ryo Teranishi, Yoshitaka Tokunaga, Junko Matsuda, Shigenobu Asada, Yutaka Yamada, Teruo Izumi, Yuh Shiohara, Yasuhiro Iijima, Takashi Saitoh, Atsushi Kaneko, Kiyoshi Murata

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


The long tape process was developed using the advanced TFA precursor solution. In a long tape production, the advanced TFA precursor solution was coated by a die-coater using the reel-to-reel system, and the multi-coating method was applied for thicker film fabrication. We successfully fabricated long uniform precursor films. In the high temperature treatment, a large scale equipment for the continuous long tape process was developed. This equipment had a perpendicular gas flow system to the tape length which is effective to fabricate the uniform films. Ic values and its distribution in the YBCO tape fabricated by this method on CeO2/IBAD-Gd 2Zr2O7/Hastelloy were measured. And the uniform and high performance was confirmed. A 0.25 m long YBCO film with 1.38 μm in thickness on the metal substrate shows the high Ic performance of 210 A with end to end at 77.3 K in self-fields.

Original languageEnglish
Pages (from-to)916-919
Number of pages4
JournalPhysica C: Superconductivity and its applications
Issue numberSPEC. ISS.
Publication statusPublished - Oct 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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