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:
Oct. 04, 1988
Filed:
Jul. 22, 1986
Applicant:
Inventors:
Assignee:
Ube Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501138 ; 501136 ;
Abstract
A dielectric resonator to be advantageously used in 0.5-6 GHz band and having a large unloaded Q value, and adequate relative dielectric constant, a good stability of .tau..sub.f and a superior linearity of temperature characteristic of the resonance frequency, may be constituted by the dielectric porcelain composition expressed by the formula: