Title:
ELASTIC WAVE DEVICE, FILTER, SPLITTER, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/286704
Kind Code:
A1
Abstract:
According to the present invention, an IDT electrode comprises: a first busbar; a second busbar opposing the first busbar; a plurality of first electrode fingers each electrically connected to the first busbar; a plurality of second electrode fingers each electrically connected to the second busbar and arranged alternately with the first electrode fingers in an elastic wave propagation direction; a plurality of bar electrodes that are interposed between the first busbar and the first electrode fingers, that extend parallel to the first busbar, and that extend parallel to each other; and a plurality of connection parts including a connection part interposed between, and connecting, the first busbar and a corresponding one of the bar electrodes adjacent to the first busbar, and a connection part interposed between, and connecting, the adjacent bar electrodes. At least a portion of the connection parts is arranged discontinuously in the extending direction of the electrode fingers.
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Inventors:
KANAZAWA TOMIO (JP)
Application Number:
PCT/JP2022/027079
Publication Date:
January 19, 2023
Filing Date:
July 08, 2022
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H03H9/145; H03H9/25; H03H9/64; H03H9/72
Domestic Patent References:
| WO2020120153A1 | 2020-06-18 | |||
| WO2016208446A1 | 2016-12-29 | |||
| WO2019017422A1 | 2019-01-24 |
Foreign References:
| JPH11261370A | 1999-09-24 | |||
| JPS5654114A | 1981-05-14 | |||
| JP2015056746A | 2015-03-23 | |||
| JPH10173467A | 1998-06-26 | |||
| JP2006246510A | 2006-09-14 |
Attorney, Agent or Firm:
IIJIMA, YASUHIRO (JP)
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