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:
Aug. 22, 2000
Filed:
Dec. 11, 1998
Yasutaka Sugimoto, Kyoto, JP;
Hirofumi Sunahara, Moriyama, JP;
Kimihide Sugou, Souraku-gun, JP;
Hiroshi Takagi, Otsu, JP;
Abstract
A dielectric ceramic composition is formed of a mixture including a BaO--TiO.sub.2 --REO.sub.3/2 ceramic composition, wherein RE represents a rare earth element, and a glass composition containing about 13-50 wt. % SiO.sub.2, about 3-30 wt. % B.sub.2 O.sub.3, about 40-80 wt. % alkaline earth metal oxide and about 0.5-10 wt. % Li.sub.2 O. The dielectric ceramic composition has a high dielectric constant and a high Q value, as well as excellent temperature stability, and is capable of being sintered at a relatively low temperature. The dielectric ceramic composition is advantageously used in ceramic electronic parts.