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:
May. 18, 1993
Filed:
Mar. 10, 1992
Applicant:
Inventors:
Takuji Okiyama, Shin-Nan'yo, JP;
Ryoji Hirota, Shin-Nan'yo, JP;
Takuji Hara, Shin-Nan'yo, JP;
Yutaka Kawai, Shin-Nan'yo, JP;
Toshihiko Takemoto, Shin-Nan'yo, JP;
Assignee:
Nisshin Steel Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148310 ; 148312 ; 148315 ;
Abstract
Fe-Ni, Fe-Ni-Cr or Fe-Ni-Cr-Mo magnetic alloy material, the surface roughness of which is adjusted to Rz.gtoreq.0.5 or Ra.gtoreq.0.06, is disclosed. Parts made of this material has resistance to mutual adhesion or sticking when they are subjected to anealing treatment.