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. 26, 2019
Filed:
Jun. 13, 2016
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
Shin Saijo, Nagaokakyo, JP;
Hisashi Yamazaki, Nagaokakyo, JP;
Koji Yamamoto, Nagaokakyo, JP;
Seiji Kai, Nagaokakyo, JP;
Munehisa Watanabe, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
In an elastic wave device, a multilayer film including a piezoelectric thin film is provided on a support substrate, an interdigital transducer electrode is provided on one surface of the piezoelectric thin film, a wiring electrode is connected to the interdigital transducer electrode, the wiring electrode includes a lead electrode portion and a pad electrode portion, an external connection terminal is located above the pad electrode portion, the external connection terminal is electrically connected to the pad electrode portion, and the external connection terminal is bonded onto the pad electrode portion on the support substrate so that at least the piezoelectric thin film of the multilayer film is not present below the pad electrode portion.