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:
Aug. 22, 1995
Filed:
Mar. 01, 1994
Applicant:
Inventors:
Kunio Minami, Nagaokakyo, JP;
Michio Kadota, Nagaokakyo, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
3103 / ; 3103 / ; 333194 ; 364821 ;
Abstract
An elastic convolver 11 constructed by forming a set of input idts 13 spaced apart from each other by a predetermined distance on an LiNbO.sub.3 piezoelectric substrate, forming a waveguide path 14 in the center of an area between the IDTs 13, respectively forming multistrip couplers 15 between the waveguide path 14 and tile IDTs 13, and forming ZnO piezoelectric thin films 16 so as to cover at least the IDTs 13 and so as not to cover the guide path 14.