Reel to reel coated conductor fabrication by evaporation

W. Prasseit, C. Hoffmann, R. Nemetschek, G. Sigl, J. Handke, A. Lümkemann, H. Kinder

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The commercial development of coated conductors is rapidly progressing. As a result we present an economic route to produce second generation HTS tape from the initial substrate preparation to the final metal coating. The most important and technically challenging steps are the deposition of an oriented buffer layer and the superconductor film in a reel-to-reel configuration. New evaporation techniques have been developed to enable reliable, high rate tape coating. Highly oriented MgO - buffer layers are realized by inclined substrate deposition (ISD) and DyBCO is deposited by simple e-gun evaporation yielding critical currents beyond 200 A/cm. Coated conductors have been fabricated up to 40 m length and are currently tested in a variety of applications.

Original languageEnglish
Article number1643015
Pages (from-to)996-998
Number of pages3
JournalIEEE Transactions on Applied Superconductivity
Volume16
Issue number2
DOIs
StatePublished - Jun 2006

Keywords

  • Coated conductors
  • Evaporation
  • Inclined substrate deposition
  • Superconductor films

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