JPWO2023286704A1 - - Google Patents
Info
- Publication number
- JPWO2023286704A1 JPWO2023286704A1 JP2023534771A JP2023534771A JPWO2023286704A1 JP WO2023286704 A1 JPWO2023286704 A1 JP WO2023286704A1 JP 2023534771 A JP2023534771 A JP 2023534771A JP 2023534771 A JP2023534771 A JP 2023534771A JP WO2023286704 A1 JPWO2023286704 A1 JP WO2023286704A1
- 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.)
- Granted
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
- H03H9/25—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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
-
- 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
- H03H9/145—Driving means, e.g. electrodes, coils for networks 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
- H03H9/02—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
- H03H9/125—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
- H03H9/1457—Transducers having different finger widths
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks 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
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021117708 | 2021-07-16 | ||
| JP2021117708 | 2021-07-16 | ||
| PCT/JP2022/027079 WO2023286704A1 (ja) | 2021-07-16 | 2022-07-08 | 弾性波装置、フィルタ、分波器及び通信装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023286704A1 true JPWO2023286704A1 (https=) | 2023-01-19 |
| JPWO2023286704A5 JPWO2023286704A5 (https=) | 2024-04-11 |
| JP7682274B2 JP7682274B2 (ja) | 2025-05-23 |
Family
ID=84919398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023534771A Active JP7682274B2 (ja) | 2021-07-16 | 2022-07-08 | 弾性波装置、フィルタ、分波器及び通信装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240339986A1 (https=) |
| JP (1) | JP7682274B2 (https=) |
| CN (1) | CN117813764A (https=) |
| WO (1) | WO2023286704A1 (https=) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5654114A (en) * | 1979-10-11 | 1981-05-14 | Nec Corp | Reed screen shape converter of elastic surface wave |
| JPH10173467A (ja) * | 1996-12-13 | 1998-06-26 | Toyo Commun Equip Co Ltd | トランスバーサル型ｓａｗフィルタ |
| JPH11261370A (ja) * | 1998-03-11 | 1999-09-24 | Nec Corp | 弾性表面波デバイス |
| JP2006246510A (ja) * | 2006-04-05 | 2006-09-14 | Murata Mfg Co Ltd | 表面波装置 |
| JP2015056746A (ja) * | 2013-09-11 | 2015-03-23 | 株式会社村田製作所 | 弾性波装置 |
| WO2016208446A1 (ja) * | 2015-06-24 | 2016-12-29 | 株式会社村田製作所 | フィルタ装置 |
| WO2019017422A1 (ja) * | 2017-07-20 | 2019-01-24 | 株式会社村田製作所 | マルチプレクサ、高周波フロントエンド回路および通信装置 |
| WO2020120153A1 (en) * | 2018-12-12 | 2020-06-18 | RF360 Europe GmbH | Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes |
-
2022
- 2022-07-08 US US18/576,874 patent/US20240339986A1/en active Pending
- 2022-07-08 WO PCT/JP2022/027079 patent/WO2023286704A1/ja not_active Ceased
- 2022-07-08 CN CN202280047826.6A patent/CN117813764A/zh active Pending
- 2022-07-08 JP JP2023534771A patent/JP7682274B2/ja active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5654114A (en) * | 1979-10-11 | 1981-05-14 | Nec Corp | Reed screen shape converter of elastic surface wave |
| JPH10173467A (ja) * | 1996-12-13 | 1998-06-26 | Toyo Commun Equip Co Ltd | トランスバーサル型ｓａｗフィルタ |
| JPH11261370A (ja) * | 1998-03-11 | 1999-09-24 | Nec Corp | 弾性表面波デバイス |
| JP2006246510A (ja) * | 2006-04-05 | 2006-09-14 | Murata Mfg Co Ltd | 表面波装置 |
| JP2015056746A (ja) * | 2013-09-11 | 2015-03-23 | 株式会社村田製作所 | 弾性波装置 |
| WO2016208446A1 (ja) * | 2015-06-24 | 2016-12-29 | 株式会社村田製作所 | フィルタ装置 |
| WO2019017422A1 (ja) * | 2017-07-20 | 2019-01-24 | 株式会社村田製作所 | マルチプレクサ、高周波フロントエンド回路および通信装置 |
| WO2020120153A1 (en) * | 2018-12-12 | 2020-06-18 | RF360 Europe GmbH | Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240339986A1 (en) | 2024-10-10 |
| WO2023286704A1 (ja) | 2023-01-19 |
| JP7682274B2 (ja) | 2025-05-23 |
| CN117813764A (zh) | 2024-04-02 |
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