Oxide superconductor and method of preparing the same

Superconductor technology: apparatus – material – process – High temperature – per se – Halogen containing

Reexamination Certificate

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C505S126000, C505S461000

Reexamination Certificate

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07615515

ABSTRACT:
An oxide superconductor includes a main component represented by the following formula: LnBa2Cu3O7-x, where Ln comprises two or more types of elements selected from the group consisting of Gd, Tb, Dy, Ho, Er, Tm, and Y, and a content of each element is 10 to 90 mol %, and fluorine at a molar ratio of 10−2to 10−6with respect to copper.

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