Method of manufacturing an oxide superconductor film
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United States of America Patent
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Sep 27, 1994
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app pub date -
Nov 27, 1992
filing date -
Mar 27, 1991
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Abstract
The present invention provides a method of manufacturing a high quality oxide superconductor film capable of controlling the film-forming rate and the film composition easily and forming the superconductor film safely and economically, over a wide region and homogeneously, wherein each of elements of R in which R represents one or more of elements selected from the group consisting of Y and lanthanide series rare earth elements, Ba and Cu is vapor deposited in the state of metal on a substrate under a high vacuum of lower than 10.sup.-8 Torr by a vacuum vapor deposition process to form a precursor comprising an amorphous metal and the precursor is oxidized and crystallized by applying a heat treatment without taking out the same into the atmospheric air.
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