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:
Mar. 19, 2002
Filed:
Oct. 26, 2000
Applicant:
Inventors:
Kunisaburo Tomono, Otsu, JP;
Mitsuhiro Fukushima, Shiga-ken, JP;
Hiroshi Marusawa, Moriyama, JP;
Takashi Ohsawa, Shiga-ken, JP;
Takashi Toda, Kusatsu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 3/526 ; H01F 1/113 ; H01F 2/100 ;
U.S. Cl.
CPC ...
C04B 3/526 ; H01F 1/113 ; H01F 2/100 ;
Abstract
A composite magnetic material comprises a ferrite powder and a resin, in which the ferrite powder comprises a cobalt substituted Y type hexagonal ferrite (2BaO.2CoO.6Fe O ) or cobalt substituted Z type hexagonal ferrite (3BaO.2CoO.12Fe O ), and the permeability at 2 GHz is 90% or more of that at 1 MHz.