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:
Nov. 10, 1981
Filed:
Nov. 05, 1979
Applicant:
Inventors:
Hiroshi Kimira, Sendai, JP;
Kenji Abiko, Sendai, JP;
Takashi Sato, Sendai, JP;
Isamu Yoshii, Sendai, JP;
Sadao Watanabe, Izumi, JP;
Yutaka Takei, Sendai, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75124 ; 7512 / ; 7512 / ;
Abstract
A magnetic alloy which contains not less than 0.03 weight % but not more than 5.0 weight % of P not less than 3.0 weight % but not more than 26.0 weight % of Al and Si totally (where Al is not less than 0.01 weight % but not more than 13.0 weight % and Si is not less than 0.01 weight % but not more than 13.0 weight %), the remaining part of the alloy consists mainly of Fe and the alloy is characterized in that P is presented on the grain boundary thereof with the amount more than 0.5 weight % of the atoms which form said grain boundary.