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:
Jul. 02, 2002
Filed:
Mar. 13, 2000
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A nitride-type, rare earth magnet material having a basic composition represented by R T M B N (atomic %), wherein R is at least one rare earth element including Y, as a rare earth element Sm must be present, T is Fe alone or a combination of Fe and Co and/or Ni, M is at least one element selected from the group consisting of Al, Ti, V, Cr, Mn, Cu, Ga, Zr, Nb, Mo, Hf, Ta, W and Zn, 6≦&agr;≦15, 0.5≦&bgr;≦10, 0≦&ggr;≦4, and 4≦&dgr;≦30, which is substantially composed of a hard magnetic phase of an R T -type structure having an average crystal grain size of 0.01-1 &mgr;m, an average area ratio of &agr;-Fe being 5% or less.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile