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:
Apr. 16, 2019
Filed:
Jul. 25, 2017
Tdk Corporation, Tokyo, JP;
Tetsuhiro Takahashi, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A dielectric composition is provided. The dielectric composition includes a tungsten bronze type complex oxide expressed by a chemical formula (KNa)SrNbOas a main component, x satisfying 0≤x≤0.50, wherein the dielectric composition includes a secondary phase of at least one or more selected from: MgO.SiO; BaO.2MgO.2SiO; and 2MgO.BO; or the dielectric composition includes a tungsten bronze type complex oxide expressed by a chemical formula (KNa)SrNbOas a main component, x satisfying 0≤x≤0.40, wherein the dielectric composition includes: MgO; BaO; BO; SiO; and POas a first accessory component in a total content of 2.5 mol to 20.0 mol per 100 mol of the main component.