JPWO2022045307A1 - - Google Patents
Info
- Publication number
- JPWO2022045307A1 JPWO2022045307A1 JP2022545742A JP2022545742A JPWO2022045307A1 JP WO2022045307 A1 JPWO2022045307 A1 JP WO2022045307A1 JP 2022545742 A JP2022545742 A JP 2022545742A JP 2022545742 A JP2022545742 A JP 2022545742A JP WO2022045307 A1 JPWO2022045307 A1 JP WO2022045307A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
- H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
- H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/173—Air-gaps
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6483—Ladder SAW filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020144341 | 2020-08-28 | ||
| PCT/JP2021/031584 WO2022045307A1 (ja) | 2020-08-28 | 2021-08-27 | 弾性波素子及び通信装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPWO2022045307A1 true JPWO2022045307A1 (https=) | 2022-03-03 |
Family
ID=80355405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022545742A Pending JPWO2022045307A1 (https=) | 2020-08-28 | 2021-08-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US12489418B2 (https=) |
| JP (1) | JPWO2022045307A1 (https=) |
| CN (1) | CN116097565A (https=) |
| WO (1) | WO2022045307A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023195523A1 (ja) * | 2022-04-08 | 2023-10-12 | 株式会社村田製作所 | 弾性波装置 |
| WO2023243351A1 (ja) * | 2022-06-17 | 2023-12-21 | 京セラ株式会社 | 弾性波装置、および通信装置 |
| WO2024034528A1 (ja) * | 2022-08-12 | 2024-02-15 | 京セラ株式会社 | 弾性波装置、複合フィルタ及び通信装置 |
| JP2025179286A (ja) * | 2022-11-08 | 2025-12-10 | 京セラ株式会社 | 弾性波共振子および通信装置 |
| US12609671B2 (en) * | 2024-03-18 | 2026-04-21 | Rf360 Singapore Pte. Ltd. | High Q electroacoustic resonator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007312164A (ja) * | 2006-05-19 | 2007-11-29 | Hitachi Ltd | 圧電薄膜共振器並びにそれを用いた高周波フィルタ及び高周波モジュール |
| JP2012257019A (ja) * | 2011-06-08 | 2012-12-27 | Murata Mfg Co Ltd | 弾性波装置 |
| WO2018003338A1 (ja) * | 2016-06-27 | 2018-01-04 | 株式会社村田製作所 | 弾性波フィルタ装置 |
| WO2019065666A1 (ja) * | 2017-09-27 | 2019-04-04 | 株式会社村田製作所 | 弾性波装置 |
| WO2020100949A1 (ja) * | 2018-11-14 | 2020-05-22 | 京セラ株式会社 | 弾性波装置、分波器および通信装置 |
| WO2020116528A1 (ja) * | 2018-12-06 | 2020-06-11 | 株式会社村田製作所 | 弾性波装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013150814A1 (ja) * | 2012-04-04 | 2013-10-10 | 株式会社村田製作所 | 通信装置 |
| JP5436729B1 (ja) * | 2012-04-25 | 2014-03-05 | 京セラ株式会社 | 弾性波素子、分波器および通信モジュール |
| WO2014133084A1 (ja) * | 2013-02-27 | 2014-09-04 | 京セラ株式会社 | 弾性波素子、分波器および通信モジュール |
| US9281800B2 (en) * | 2014-01-24 | 2016-03-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Resonator filter device having narrow pass-band |
| US9691963B2 (en) * | 2014-05-29 | 2017-06-27 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Capacitive coupled resonator and filter device with comb electrodes and support pillars separating piezoelectric layer |
| DE112016001894B4 (de) * | 2015-04-24 | 2022-02-03 | Murata Manufacturing Co., Ltd. | Vorrichtung für elastische Wellen |
| US9660349B2 (en) * | 2015-06-29 | 2017-05-23 | Northrop Grumman Systems Corporation | Multiferroic surface acoustic wave antenna |
| CN105337586B (zh) * | 2015-12-03 | 2018-04-17 | 天津大学 | 兰姆波谐振器 |
-
2021
- 2021-08-27 CN CN202180051011.0A patent/CN116097565A/zh active Pending
- 2021-08-27 WO PCT/JP2021/031584 patent/WO2022045307A1/ja not_active Ceased
- 2021-08-27 US US18/023,535 patent/US12489418B2/en active Active
- 2021-08-27 JP JP2022545742A patent/JPWO2022045307A1/ja active Pending
-
2025
- 2025-10-28 US US19/370,923 patent/US20260051871A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007312164A (ja) * | 2006-05-19 | 2007-11-29 | Hitachi Ltd | 圧電薄膜共振器並びにそれを用いた高周波フィルタ及び高周波モジュール |
| JP2012257019A (ja) * | 2011-06-08 | 2012-12-27 | Murata Mfg Co Ltd | 弾性波装置 |
| WO2018003338A1 (ja) * | 2016-06-27 | 2018-01-04 | 株式会社村田製作所 | 弾性波フィルタ装置 |
| WO2019065666A1 (ja) * | 2017-09-27 | 2019-04-04 | 株式会社村田製作所 | 弾性波装置 |
| WO2020100949A1 (ja) * | 2018-11-14 | 2020-05-22 | 京セラ株式会社 | 弾性波装置、分波器および通信装置 |
| WO2020116528A1 (ja) * | 2018-12-06 | 2020-06-11 | 株式会社村田製作所 | 弾性波装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022045307A1 (ja) | 2022-03-03 |
| US20260051871A1 (en) | 2026-02-19 |
| US12489418B2 (en) | 2025-12-02 |
| US20240030891A1 (en) | 2024-01-25 |
| CN116097565A (zh) | 2023-05-09 |
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