JPWO2021039639A1 - - Google Patents
Info
- Publication number
- JPWO2021039639A1 JPWO2021039639A1 JP2021542843A JP2021542843A JPWO2021039639A1 JP WO2021039639 A1 JPWO2021039639 A1 JP WO2021039639A1 JP 2021542843 A JP2021542843 A JP 2021542843A JP 2021542843 A JP2021542843 A JP 2021542843A JP WO2021039639 A1 JPWO2021039639 A1 JP WO2021039639A1
- 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
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14538—Formation
- H03H9/14541—Multilayer finger or busbar electrode
-
- 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
-
- 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
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- 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
-
- 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
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
-
- 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
- H03H9/25—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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019158337 | 2019-08-30 | ||
| JP2019158337 | 2019-08-30 | ||
| PCT/JP2020/031658 WO2021039639A1 (ja) | 2019-08-30 | 2020-08-21 | 弾性波装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021039639A1 true JPWO2021039639A1 (https=) | 2021-03-04 |
| JPWO2021039639A5 JPWO2021039639A5 (https=) | 2022-04-04 |
| JP7268747B2 JP7268747B2 (ja) | 2023-05-08 |
Family
ID=74683526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021542843A Active JP7268747B2 (ja) | 2019-08-30 | 2020-08-21 | 弾性波装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12355425B2 (https=) |
| JP (1) | JP7268747B2 (https=) |
| KR (1) | KR102636227B1 (https=) |
| CN (1) | CN114270707B (https=) |
| WO (1) | WO2021039639A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022264933A1 (ja) * | 2021-06-16 | 2022-12-22 | 株式会社村田製作所 | 弾性波装置 |
| CN117652097A (zh) * | 2021-07-21 | 2024-03-05 | 株式会社村田制作所 | 弹性波装置及滤波器装置 |
| WO2023048140A1 (ja) * | 2021-09-21 | 2023-03-30 | 株式会社村田製作所 | 弾性波装置 |
| WO2024043347A1 (ja) * | 2022-08-26 | 2024-02-29 | 株式会社村田製作所 | 弾性波装置及びフィルタ装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015182522A1 (ja) * | 2014-05-26 | 2015-12-03 | 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 |
| 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 |
| WO2018225650A1 (ja) * | 2017-06-06 | 2018-12-13 | 株式会社村田製作所 | 弾性波フィルタ装置、マルチプレクサ及び複合フィルタ装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS553020Y2 (https=) | 1976-10-08 | 1980-01-24 | ||
| DE102010005596B4 (de) | 2010-01-25 | 2015-11-05 | Epcos Ag | Elektroakustischer Wandler mit verringerten Verlusten durch transversale Emission und verbesserter Performance durch Unterdrückung transversaler Moden |
| WO2014192755A1 (ja) * | 2013-05-29 | 2014-12-04 | 株式会社村田製作所 | 弾性波フィルタ装置 |
| WO2015155984A1 (en) * | 2014-04-08 | 2015-10-15 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave resonators, acoustic wave filters, antenna duplexers, modules and communication devices using the same |
| KR102083803B1 (ko) * | 2014-06-23 | 2020-03-03 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| WO2016170982A1 (ja) * | 2015-04-24 | 2016-10-27 | 株式会社村田製作所 | 弾性波装置 |
| WO2018079284A1 (ja) * | 2016-10-28 | 2018-05-03 | 株式会社村田製作所 | ラダー型フィルタ、デュプレクサ及び弾性波フィルタ装置 |
| CN110140296B (zh) * | 2016-12-28 | 2023-01-13 | 株式会社村田制作所 | 纵耦合谐振器型弹性波滤波器 |
-
2020
- 2020-08-21 JP JP2021542843A patent/JP7268747B2/ja active Active
- 2020-08-21 KR KR1020227002063A patent/KR102636227B1/ko active Active
- 2020-08-21 WO PCT/JP2020/031658 patent/WO2021039639A1/ja not_active Ceased
- 2020-08-21 CN CN202080059195.0A patent/CN114270707B/zh active Active
-
2022
- 2022-02-24 US US17/679,394 patent/US12355425B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015182522A1 (ja) * | 2014-05-26 | 2015-12-03 | 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 |
| 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 |
| WO2018225650A1 (ja) * | 2017-06-06 | 2018-12-13 | 株式会社村田製作所 | 弾性波フィルタ装置、マルチプレクサ及び複合フィルタ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021039639A1 (ja) | 2021-03-04 |
| CN114270707A (zh) | 2022-04-01 |
| CN114270707B (zh) | 2026-02-27 |
| KR102636227B1 (ko) | 2024-02-16 |
| JP7268747B2 (ja) | 2023-05-08 |
| US20220182037A1 (en) | 2022-06-09 |
| KR20220024799A (ko) | 2022-03-03 |
| US12355425B2 (en) | 2025-07-08 |
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