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:
Jan. 13, 2026
Filed:
Sep. 14, 2021
Applicant:
Proterial, Ltd., Tokyo, JP;
Inventors:
Assignee:
Proterial, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 30/00 (2006.01);
U.S. Cl.
CPC ...
C22C 30/00 (2013.01); C22C 2202/02 (2013.01);
Abstract
The present invention provides an Fe—Co-based alloy bar which enables excellent magnetic properties to be reliably obtained. In the Fe—Co-based alloy bar, an area ratio of crystal grains having a grain orientation spread (GOS) value of 0.5° or more exceeds 80%, and the difference between an area ratio of crystal grains having a GOS value of 0.5° or more observed in a cross section in a direction perpendicular to an axis of the bar and an area ratio of crystal grains having a GOS value of 0.5° or more observed in a cross section in an axial direction of the bar is within 10%. Preferably, the average crystal grain size number is 6.0 or more and 8.5 or less.