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. 02, 2018
Filed:
Mar. 28, 2017
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
Takuma Kuzushita, Nagaokakyo, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
An elastic wave resonator includes series divided resonators on a piezoelectric substrate, first and second outer busbars, a first interstage busbar, first to fourth electrode fingers and first and second dummy electrode fingers. Third dummy electrode fingers are not provided at at least one of a side where the second electrode fingers are provided and a side where the third electrode fingers are provided or third dummy electrode fingers having a length smaller than lengths of the first and second dummy electrode fingers are provided at at least one of a side where the second electrode fingers are provided and a side where the third electrode fingers are provided. The third electrode fingers are arranged on an extension to which the second electrode fingers extend.