JPWO2021241364A1 - - Google Patents
Info
- Publication number
- JPWO2021241364A1 JPWO2021241364A1 JP2022526936A JP2022526936A JPWO2021241364A1 JP WO2021241364 A1 JPWO2021241364 A1 JP WO2021241364A1 JP 2022526936 A JP2022526936 A JP 2022526936A JP 2022526936 A JP2022526936 A JP 2022526936A JP WO2021241364 A1 JPWO2021241364 A1 JP WO2021241364A1
- 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
- H03H9/125—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
- H03H9/02—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
- H03H9/02—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
- H03H9/14576—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
- H03H9/14582—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different pitch
-
- 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
- H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics
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 |
|---|---|---|---|
| JP2020092069 | 2020-05-27 | ||
| JP2020092069 | 2020-05-27 | ||
| PCT/JP2021/019015 WO2021241364A1 (ja) | 2020-05-27 | 2021-05-19 | 弾性波装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021241364A1 true JPWO2021241364A1 (https=) | 2021-12-02 |
| JPWO2021241364A5 JPWO2021241364A5 (https=) | 2023-01-24 |
| JP7464116B2 JP7464116B2 (ja) | 2024-04-09 |
Family
ID=78744643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022526936A Active JP7464116B2 (ja) | 2020-05-27 | 2021-05-19 | 弾性波装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20230071909A1 (https=) |
| JP (1) | JP7464116B2 (https=) |
| KR (1) | KR102771817B1 (https=) |
| CN (1) | CN115668768B (https=) |
| WO (1) | WO2021241364A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018131952A1 (de) * | 2018-12-12 | 2020-06-18 | RF360 Europe GmbH | Elektroakustischer Resonator mit unterdrückter Anregungtransversaler Spaltmoden und verringerten transversalen Moden |
| WO2022138328A1 (ja) * | 2020-12-23 | 2022-06-30 | 株式会社村田製作所 | 弾性波装置 |
| WO2023234144A1 (ja) * | 2022-05-30 | 2023-12-07 | 株式会社村田製作所 | 弾性波装置 |
| CN120476549A (zh) * | 2023-01-18 | 2025-08-12 | 株式会社村田制作所 | 弹性波装置以及复合滤波器装置 |
| WO2025094971A1 (ja) * | 2023-11-01 | 2025-05-08 | 株式会社村田製作所 | 弾性表面波共振子、弾性表面波フィルタ及びマルチプレクサ |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11261370A (ja) * | 1998-03-11 | 1999-09-24 | Nec Corp | 弾性表面波デバイス |
| JP2012186808A (ja) * | 2011-03-07 | 2012-09-27 | Triquint Semiconductor Inc | トリミング効果とピストンモードでの不安定性を最小化する音響波導波装置および方法 |
| WO2015182522A1 (ja) * | 2014-05-26 | 2015-12-03 | 株式会社村田製作所 | 弾性波装置 |
| US20170155373A1 (en) * | 2015-11-30 | 2017-06-01 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Surface acoustic wave (saw) resonator structure with dielectric material below electrode fingers |
| WO2018025962A1 (ja) * | 2016-08-05 | 2018-02-08 | 株式会社村田製作所 | 弾性表面波フィルタ、高周波モジュールおよびマルチプレクサ |
| WO2018116680A1 (ja) * | 2016-12-20 | 2018-06-28 | 株式会社村田製作所 | 弾性波装置、高周波フロントエンド回路及び通信装置 |
| WO2018123657A1 (ja) * | 2016-12-28 | 2018-07-05 | 株式会社村田製作所 | 縦結合共振子型弾性波フィルタ |
| WO2020045442A1 (ja) * | 2018-08-30 | 2020-03-05 | 株式会社村田製作所 | 弾性波装置及びラダー型フィルタ |
| WO2020100744A1 (ja) * | 2018-11-16 | 2020-05-22 | 株式会社村田製作所 | 弾性波装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005080202A (ja) * | 2003-09-03 | 2005-03-24 | Murata Mfg Co Ltd | 弾性表面波素子 |
| JP4583243B2 (ja) | 2005-05-27 | 2010-11-17 | 京セラ株式会社 | 弾性表面波共振器および弾性表面波装置並びに通信装置 |
| WO2014192756A1 (ja) * | 2013-05-29 | 2014-12-04 | 株式会社村田製作所 | 弾性波装置 |
| JP6355328B2 (ja) * | 2013-12-19 | 2018-07-11 | 太陽誘電株式会社 | 弾性表面波デバイス及びフィルタ |
| WO2017110586A1 (ja) | 2015-12-25 | 2017-06-29 | 株式会社村田製作所 | 弾性波装置 |
| CN110114973B (zh) * | 2016-12-26 | 2024-04-26 | 株式会社村田制作所 | 弹性波装置 |
| JPWO2018131360A1 (ja) * | 2017-01-10 | 2019-11-07 | 株式会社村田製作所 | 弾性波装置 |
-
2021
- 2021-05-19 JP JP2022526936A patent/JP7464116B2/ja active Active
- 2021-05-19 CN CN202180037473.7A patent/CN115668768B/zh active Active
- 2021-05-19 WO PCT/JP2021/019015 patent/WO2021241364A1/ja not_active Ceased
- 2021-05-19 KR KR1020227037783A patent/KR102771817B1/ko active Active
-
2022
- 2022-11-16 US US17/987,926 patent/US20230071909A1/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11261370A (ja) * | 1998-03-11 | 1999-09-24 | Nec Corp | 弾性表面波デバイス |
| JP2012186808A (ja) * | 2011-03-07 | 2012-09-27 | Triquint Semiconductor Inc | トリミング効果とピストンモードでの不安定性を最小化する音響波導波装置および方法 |
| WO2015182522A1 (ja) * | 2014-05-26 | 2015-12-03 | 株式会社村田製作所 | 弾性波装置 |
| US20170155373A1 (en) * | 2015-11-30 | 2017-06-01 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Surface acoustic wave (saw) resonator structure with dielectric material below electrode fingers |
| WO2018025962A1 (ja) * | 2016-08-05 | 2018-02-08 | 株式会社村田製作所 | 弾性表面波フィルタ、高周波モジュールおよびマルチプレクサ |
| WO2018116680A1 (ja) * | 2016-12-20 | 2018-06-28 | 株式会社村田製作所 | 弾性波装置、高周波フロントエンド回路及び通信装置 |
| WO2018123657A1 (ja) * | 2016-12-28 | 2018-07-05 | 株式会社村田製作所 | 縦結合共振子型弾性波フィルタ |
| WO2020045442A1 (ja) * | 2018-08-30 | 2020-03-05 | 株式会社村田製作所 | 弾性波装置及びラダー型フィルタ |
| WO2020100744A1 (ja) * | 2018-11-16 | 2020-05-22 | 株式会社村田製作所 | 弾性波装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021241364A1 (ja) | 2021-12-02 |
| CN115668768A (zh) | 2023-01-31 |
| US20230071909A1 (en) | 2023-03-09 |
| KR102771817B1 (ko) | 2025-02-24 |
| CN115668768B (zh) | 2025-12-23 |
| JP7464116B2 (ja) | 2024-04-09 |
| KR20220160662A (ko) | 2022-12-06 |
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