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:
Sep. 22, 2026
Filed:
Aug. 25, 2021
Applicant:
Rogers Corporation, Chandler, AZ (US);
Inventors:
Yajie Chen, Chandler, AZ (US);
Qifan Li, Burlington, MA (US);
Assignee:
ROGERS CORPORATION, Chandler, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/34 (2006.01); C01G 51/66 (2025.01); C04B 35/26 (2006.01); C04B 35/626 (2006.01); C08K 3/22 (2006.01); H01F 1/37 (2006.01);
U.S. Cl.
CPC ...
H01F 1/344 (2013.01); C01G 51/66 (2013.01); C08K 3/22 (2013.01); C01P 2002/54 (2013.01); C01P 2002/72 (2013.01); C01P 2006/42 (2013.01); C08K 2003/2289 (2013.01); C08K 2201/01 (2013.01);
Abstract
In an aspect, an R-type ferrite has the formula: Me'MeTiFeO, wherein Me′ is at least one of Baor Srand Me is at least one of Co, Mg, Cu, or Zn. In another aspect, a composite or an article comprises the R-type ferrite. In yet another aspect, a method of making a R-type ferrite comprises milling ferrite precursor compounds comprising oxides of at least Fe, Ti, Me, and Me′, to form an oxide mixture; wherein Me′ comprises at least one of Baor Sr; Me is at least one of Co, Mg, Cu, or Zn; and calcining the oxide mixture in an oxygen or air atmosphere to form the R-type ferrite.