Title:
ELASTIC WAVE DEVICE, COMMUNICATION DEVICE, AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2024/019142
Kind Code:
A1
Abstract:
IDT electrodes are fine and it is, therefore, necessary to improve the power tolerance to migration. This elastic wave device comprises: a piezoelectric layer; an electrode that is provided on the piezoelectric layer; and a cover part that covers at least some of the side surfaces of the electrode and that includes elements constituting the piezoelectric layer, said elements being other than oxygen and nitrogen.
Inventors:
NISHIOKA YOSUKE (JP)
NAMBU MASAKI (JP)
KATO TAKASHI (JP)
NOZOE SOICHIRO (JP)
NAMBU MASAKI (JP)
KATO TAKASHI (JP)
NOZOE SOICHIRO (JP)
Application Number:
PCT/JP2023/026753
Publication Date:
January 25, 2024
Filing Date:
July 21, 2023
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H03H9/145; H03H3/08
Domestic Patent References:
| WO2021241435A1 | 2021-12-02 | |||
| WO2022071605A1 | 2022-04-07 |
Foreign References:
| JP2006109287A | 2006-04-20 | |||
| JP2013518455A | 2013-05-20 | |||
| JP2018007117A | 2018-01-11 | |||
| JP2008079275A | 2008-04-03 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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