Superconductor technology: apparatus – material – process – Processes of producing or treating high temperature... – With melting
Reexamination Certificate
2007-05-22
2007-05-22
Kopec, Mark (Department: 1751)
Superconductor technology: apparatus, material, process
Processes of producing or treating high temperature...
With melting
Reexamination Certificate
active
10438119
ABSTRACT:
A method for the enhanced melt-textured growth of superconducting crystals is disclosed for a sample having a first material capable of exhibiting superconducting properties. The sample is heated above a peritectic temperature of the first material, cooled below the peritectic temperature, and is subsequently subjected to a plurality of temperature spikes in which the sample is rapidly reheated above the peritectic temperature and recooled below the peritectic temperature to produce a superconducting crystalline structure substantially free of secondary nucleations. The resulting crystal is a superconducting crystalline structure comprising a plurality of bands formed in succession around a seed material. Each band has a non-uniform microstructure from an inner portion to an outer portion of the band.
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Kopec Mark
Praxair S.T. Technology, Inc.
Schwartz Iurie A.
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