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:
Jun. 23, 1998
Filed:
Nov. 26, 1996
Applicant:
Inventors:
Takashi Ishikawa, Ichikawa, JP;
Atsushi Kawamoto, Inzai, JP;
Assignee:
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148301 ; 420 83 ; 420435 ;
Abstract
A rare earth-iron-nitrogen magnet alloy contains a rare earth element (at least one of the lanthanoids including Y), iron and nitrogen as its main components, or may further contain at least one of Ti, V, Cr, Mn, Cu, Zr, Nb, Mo, Hf, Ta, W, Al, Si and C as another main component M. The main phase of the alloy also contains 0.001 to 0.1% by weight of at least one of Li, Na, X, Rb, Cs, Mg, Ca, Sr and Ba.