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:
Aug. 16, 1977
Filed:
Oct. 01, 1974
Applicant:
Inventors:
Shigeru Kojima, Kyoto, JA;
Kiyoshi Kojima, Hirakata, JA;
Tadao Ohtani, Katano, JA;
Nobuyuki Kato, Katano, JA;
Yoichi Sakamoto, Hirakata, JA;
Isago Konno, Neyagawa, JA;
Masaharu Tsukahara, Neyagawa, JA;
Takao Kubo, Kawachinagano, JA;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; H01F / ; C22C / ;
U.S. Cl.
CPC ...
148 3155 ; 7513 / ; 148120 ; 148121 ;
Abstract
Magnetic alloys consisting of 68.0.about.73.0 weight % manganese, (1/10 Mn - 6.6).about.(1/3 Mn - 22.2) weight % carbon, the balance aluminum, which show wasp-waisted magnetic hysteresis loops with the ratio of the residual magnetization 4.pi.I.sub.r to the intensity of magnetization 4.pi.I.sub.10000 in a magnetic field of 10000 Oe, I.sub.r /I.sub.10000, falling 0.0.about.0.2.