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:
Mar. 24, 1998
Filed:
Apr. 25, 1996
Applicant:
Inventor:
Christian Block, Graz, AT;
Assignee:
Siemens Matsushita Comp. GmbH & Co. KG, Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333222 ; 333202 ; 333206 ;
Abstract
A ceramic resonator for microwave ceramic filters includes a ceramic body having a predetermined form with surfaces and edges. The ceramic body has an internal conductor bore formed therein and is metallized on all of the surfaces except for at least one at least partially unmetallized surface. One of the surfaces has an aperture window formed therein for coupling to other ceramic resonators to form a microwave ceramic filter. At least one of the edges has a chamfer formed thereon.