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:
Oct. 03, 2006
Filed:
Apr. 14, 2003
Alexandra O. Pecharsky, Ames, IA (US);
Karl A. Gschneidner, Jr., Ames, IA (US);
Vitalij K. Pecharsky, Ames, IA (US);
Alexandra O. Pecharsky, Ames, IA (US);
Karl A. Gschneidner, Jr., Ames, IA (US);
Vitalij K. Pecharsky, Ames, IA (US);
Iowa State University Research Foundation, Inc., Ames, IA (US);
Abstract
An alloy made of heat treated material represented by Gd(SiGe)where 0.47≦x≦0.56 that exhibits a magnetic entropy change (−ΔS) of at least 16 J/kg K, a magnetostriction of at least 2000 parts per million, and a magnetoresistance of at least 5 percent at a temperature of about 300K and below, and method of heat treating the material between 800 to 1600 degrees C. for a time to this end.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile