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. 07, 2023
Filed:
Jul. 16, 2020
Applicant:
Rogers Corporation, Chandler, AZ (US);
Inventors:
Assignee:
ROGERS CORPORATION, Chandler, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/34 (2006.01); C01G 53/00 (2006.01); C08K 3/22 (2006.01); C08K 7/08 (2006.01); C08K 9/02 (2006.01); D01D 5/06 (2006.01); D01D 10/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/344 (2013.01); C01G 53/40 (2013.01); C08K 3/22 (2013.01); C08K 7/08 (2013.01); C08K 9/02 (2013.01); C01P 2002/32 (2013.01); C01P 2006/42 (2013.01); C08K 2003/2293 (2013.01); C08K 2201/01 (2013.01); D01D 5/06 (2013.01); D01D 10/02 (2013.01); D10B 2101/02 (2013.01);
Abstract
A magnetic fiber comprises a core comprising a spinel ferrite of formula MeMFeO, wherein Me is Mg, Mn, Fe, Co, Ni, Cu, Zn, or a combination thereof, x=0 to 0.25, and y=1.5 to 2.5, wherein the core is solid or at least partially hollow; and a shell at least partially surrounding the core, and comprising a MeMFealloy, wherein when the core is solid with Me=Ni and x=0 the magnetic fiber has a diameter of greater than 0.3 micrometer. A magneto-dielectric material having a magnetic loss tangent of less than or equal to 0.03 at 1 GHz comprises a polymer matrix; and a plurality of the magnetic fibers.