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. 09, 2001
Filed:
Dec. 21, 1998
Applicant:
Inventors:
Arthur E. Clark, Adelphi, MD (US);
James B. Restorff, College Park, MD (US);
Marilyn Wun-Fogle, Gaithersburg, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/120 ; H04B 1/100 ;
U.S. Cl.
CPC ...
H01L 4/120 ; H04B 1/100 ;
Abstract
A high power magnetostrictive transducer element comprising a material of the formula Tb,Dy,Ho,Fe,wherein 0.24≦x≦0.28, 0.52≦y≦0.56, 0.13≦z≦0.22, x+y+z=1, and 0≦w≦0.20 and wherein the material is prestressed by a compressive force of from about 5 to about 100 MPa.