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. 11, 2014
Filed:
Mar. 15, 2011
Ryuichi Wada, Tokyo, JP;
Shou Kawadahara, Tokyo, JP;
Yukio Takahashi, Tokyo, JP;
Raitarou Masaoka, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Hiroshi Momoi, Tokyo, JP;
Ryuichi Wada, Tokyo, JP;
Shou Kawadahara, Tokyo, JP;
Yukio Takahashi, Tokyo, JP;
Raitarou Masaoka, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Hiroshi Momoi, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A ferrite composition includes a main component having 46.0 to 49.8 mol % of an iron oxide in terms of FeO, 5.0 to 14.0 mol % of a copper oxide in terms of CuO and 8.0 to 32.0 mol % of a zinc oxide in terms of ZnO, and a remainder of the main component is composed of a nickel oxide; and as subcomponents, with respect to 100 wt % of the main component, 0.5 to 6.0 wt % of a silicon oxide in terms of SiOand 0.01 to 2.0 wt % of a boron oxide in terms of BO. Further, as a subcomponent, 0.01 to 0.17 wt % of potassium oxide in terms of KO or 0.3 to 2.0 wt % of tin oxide in terms of SnOmay be included.