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:
Feb. 22, 2022
Filed:
Feb. 07, 2017
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
JFE Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 45/02 (2006.01); C22C 33/00 (2006.01); H01F 1/153 (2006.01);
U.S. Cl.
CPC ...
C22C 45/02 (2013.01); C22C 33/003 (2013.01); C22C 2200/02 (2013.01); H01F 1/15308 (2013.01);
Abstract
There is provided an amorphous alloy thin strip having a chemical composition represented by a chemical formula: FeBSi(x: 78-83 at %, y: 8-15 at % and z: 6-13 at %) capable of stably attaining a low iron loss even when shaped into a wound core, wherein a generation density of air pockets on a face contacting with a cooling roll is not more than 8 per 1 mmand an arithmetic mean height Sa on portions other than the air pockets is not more than 0.3 μm.