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:
Sep. 27, 2005
Filed:
Dec. 22, 2003
Applicants:
Hiroshi Sasaki, Akita-ken, JP;
Yasuo Niwa, Akita-ken, JP;
Matsumi Watanabe, Akita-ken, JP;
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B035/465 ;
U.S. Cl.
CPC ...
Abstract
A dielectric ceramic composition comprising a main component including 53.00 to 80.00 mol % magnesium oxide converted to MgO, 19.60 to 47.00 mol % titanium oxide converted to TiOand 0.05 to 0.85 mol % manganese oxide converted to MnO. This dielectric ceramic composition may comprises 0.00 to 0.20 mol % of at least any one of vanadium oxide, yttrium oxide, ytterbium oxide or holmium oxide converted to VO, YO, YbOand HoOrespectively.