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:
Jul. 03, 2007
Filed:
May. 07, 2004
Applicants:
Takashi Hiramatsu, Kusatsu, JP;
Tomonori Muraki, Yasu, JP;
Inventors:
Takashi Hiramatsu, Kusatsu, JP;
Tomonori Muraki, Yasu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/06 (2006.01); C04B 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a dielectric ceramic composition represented by the chemical composition formula: 100 (BaCa)TiO+aMnO+bCuO+cSiO+dReO(wherein coefficients 100, a, b, c, and d each represent a molar amount; and Re represents at least one element selected from Y, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb), wherein m, x, a, b, c, and d satisfy the respective relationships: 0.990≦m≦1.030, 0.04≦x≦0.20, 0.01≦a≦5, 0.05≦b≦5, 0.2≦c≦8, and 0.05≦d≦2.5.