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. 24, 1978
Filed:
Nov. 10, 1977
Applicant:
Inventors:
Syunichiro Kawashima, Katano, JP;
Masamitsu Nishida, Osaka, JP;
Ichiro Ueda, Osaka, JP;
Hiromu Ouchi, Toyonaka, JP;
Shigeru Hayakawa, Hirakata, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 395 ; 106 46 ; 252 635 ; 333 / ;
Abstract
Calcined material having a composition including at least two of the components 3BaO.ZnO.Nb.sub.2 O.sub.5, 3BaO.ZnO.Ta.sub.2 O.sub.5, 3BaO.MgO.Nb.sub.2 O.sub.5, and 3BaO.MgO.Ta.sub.2 O.sub.5 and produced under optimum processing conditions as disclosed is employed for obtaining ceramics having low microwave loss with large dielectric constant and suitable for use as dielectric resonators, electrical filters, substrates, etc.