The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2009
Filed:
Sep. 30, 2005
Xiaoping LI, Westborough, MA (US);
Thomas Kodenkandath, N. Grafton, MA (US);
Edward J. Siegal, Malden, MA (US);
Wei Zhang, Shrewsbury, MA (US);
Martin W. Rupich, Framingham, MA (US);
Yibing Huang, Northborough, MA (US);
Xiaoping Li, Westborough, MA (US);
Thomas Kodenkandath, N. Grafton, MA (US);
Edward J. Siegal, Malden, MA (US);
Wei Zhang, Shrewsbury, MA (US);
Martin W. Rupich, Framingham, MA (US);
Yibing Huang, Northborough, MA (US);
American Superconductor Corporation, Westborough, MA (US);
Abstract
A method for producing a thick film includes disposing a precursor solution onto a substrate to form a precursor film. The precursor solution contains precursor components to a rare-earth/alkaline-earth-metal/transition-metal oxide including a salt of a rare earth element, a salt of an alkaline earth metal, and a salt of a transition metal in one or more solvents, wherein at least one of the salts is a fluoride-containing salt, and wherein the ratio of the transition metal to the alkaline earth metal is greater than 1.5. The precursor solution is treated to form a rare earth-alkaline earth-metal transition metal oxide superconductor film having a thickness greater than 0.8 μm. precursor solution.