CN111786645B - 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 - Google Patents
体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 Download PDFInfo
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- CN111786645B CN111786645B CN202010376103.3A CN202010376103A CN111786645B CN 111786645 B CN111786645 B CN 111786645B CN 202010376103 A CN202010376103 A CN 202010376103A CN 111786645 B CN111786645 B CN 111786645B
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- H—ELECTRICITY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
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- H—ELECTRICITY
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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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
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- H—ELECTRICITY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
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- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
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- 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
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- H—ELECTRICITY
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- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
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- H—ELECTRICITY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
- H03H9/605—Electric coupling means therefor consisting of a ladder configuration
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (30)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010376103.3A CN111786645B (zh) | 2020-05-07 | 2020-05-07 | 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 |
PCT/CN2021/092059 WO2021223731A1 (zh) | 2020-05-07 | 2021-05-07 | 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 |
EP21800399.4A EP4148997A4 (en) | 2020-05-07 | 2021-05-07 | VOLUME SOUND WAVE RESONATOR, FILTER, ELECTRONIC DEVICE AND METHOD FOR ADJUSTING AN ELECTROMECHANICAL COUPLING COEFFICIENT |
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CN202010376103.3A CN111786645B (zh) | 2020-05-07 | 2020-05-07 | 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 |
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CN111786645A CN111786645A (zh) | 2020-10-16 |
CN111786645B true CN111786645B (zh) | 2021-04-16 |
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CN202010376103.3A Active CN111786645B (zh) | 2020-05-07 | 2020-05-07 | 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 |
Country Status (3)
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EP (1) | EP4148997A4 (zh) |
CN (1) | CN111786645B (zh) |
WO (1) | WO2021223731A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US11502667B2 (en) | 2019-01-14 | 2022-11-15 | Qorvo Us, Inc. | Top electrodes with step arrangements for bulk acoustic wave resonators |
CN111786645B (zh) * | 2020-05-07 | 2021-04-16 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 |
US20230006642A1 (en) * | 2021-07-02 | 2023-01-05 | Skyworks Global Pte. Ltd. | Radio frequency acoustic wave device with imbalanced raised frame |
US20240072761A1 (en) * | 2022-08-30 | 2024-02-29 | Qorvo Us, Inc. | Baw resonator with dual-step oxide border ring structure |
CN117081533B (zh) * | 2022-12-14 | 2024-06-04 | 北京芯溪半导体科技有限公司 | 一种体声波谐振器及其制备方法、滤波器和电子设备 |
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DE102017118804B3 (de) * | 2017-08-17 | 2018-11-15 | RF360 Europe GmbH | Akustischer Resonator mit hohem Q |
CN109889179A (zh) * | 2018-12-26 | 2019-06-14 | 天津大学 | 谐振器和梯形滤波器 |
CN110061712A (zh) * | 2018-12-26 | 2019-07-26 | 天津大学 | 包括环形凸起梁檐结构的声学谐振器、滤波器和电子设备 |
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JP2006222562A (ja) * | 2005-02-08 | 2006-08-24 | Sony Corp | 微小共振器、バンドパスフィルタ、半導体装置、及び通信装置 |
JP2006319796A (ja) * | 2005-05-13 | 2006-11-24 | Toshiba Corp | 薄膜バルク波音響共振器 |
JP4661958B2 (ja) * | 2006-04-05 | 2011-03-30 | 株式会社村田製作所 | 圧電共振子及び圧電フィルタ |
US20120326807A1 (en) * | 2009-06-24 | 2012-12-27 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Acoustic resonator structure having an electrode with a cantilevered portion |
US8384497B2 (en) * | 2009-12-18 | 2013-02-26 | Hao Zhang | Piezoelectric resonator structure having an interference structure |
EP2658123B1 (en) * | 2010-12-24 | 2019-02-13 | Murata Manufacturing Co., Ltd. | Elastic wave device and method for manufacturing the same. |
US9991871B2 (en) * | 2011-02-28 | 2018-06-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic wave resonator comprising a ring |
JP5994850B2 (ja) * | 2012-05-22 | 2016-09-21 | 株式会社村田製作所 | バルク波共振子 |
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WO2016051023A1 (en) * | 2014-10-03 | 2016-04-07 | Teknologian Tutkimuskeskus Vtt Oy | Temperature compensated compound resonator |
US9571063B2 (en) * | 2014-10-28 | 2017-02-14 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator device with structures having different apodized shapes |
JP5991566B1 (ja) * | 2015-01-28 | 2016-09-14 | 株式会社村田製作所 | 水晶振動子及びその製造方法並びに水晶振動デバイス |
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CN110120795B (zh) * | 2019-05-16 | 2022-11-22 | 西华大学 | 一种高品质因数的椭圆形谐振器 |
CN111010128A (zh) * | 2019-06-05 | 2020-04-14 | 天津大学 | 带环形结构的谐振器、滤波器及电子设备 |
CN111010119B (zh) * | 2019-08-15 | 2024-01-26 | 天津大学 | 带复合环形结构的谐振器、滤波器及电子设备 |
CN111010120A (zh) * | 2019-09-20 | 2020-04-14 | 天津大学 | 具有调节层的体声波谐振器、滤波器和电子设备 |
CN111010121A (zh) * | 2019-10-18 | 2020-04-14 | 天津大学 | 带不导电插入层的体声波谐振器、滤波器和电子设备 |
CN111786645B (zh) * | 2020-05-07 | 2021-04-16 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、滤波器、电子设备和调整机电耦合系数的方法 |
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2020
- 2020-05-07 CN CN202010376103.3A patent/CN111786645B/zh active Active
-
2021
- 2021-05-07 WO PCT/CN2021/092059 patent/WO2021223731A1/zh unknown
- 2021-05-07 EP EP21800399.4A patent/EP4148997A4/en active Pending
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DE102017118804B3 (de) * | 2017-08-17 | 2018-11-15 | RF360 Europe GmbH | Akustischer Resonator mit hohem Q |
CN109889179A (zh) * | 2018-12-26 | 2019-06-14 | 天津大学 | 谐振器和梯形滤波器 |
CN110061712A (zh) * | 2018-12-26 | 2019-07-26 | 天津大学 | 包括环形凸起梁檐结构的声学谐振器、滤波器和电子设备 |
Also Published As
Publication number | Publication date |
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EP4148997A4 (en) | 2024-04-03 |
WO2021223731A1 (zh) | 2021-11-11 |
CN111786645A (zh) | 2020-10-16 |
EP4148997A1 (en) | 2023-03-15 |
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Denomination of invention: Bulk acoustic wave resonator, filter, electronic equipment and method for adjusting electromechanical coupling coefficient Effective date of registration: 20210908 Granted publication date: 20210416 Pledgee: Tianjin TEDA Haihe intelligent manufacturing industry development fund partnership (L.P.) Pledgor: ROFS MICROSYSTEM(TIANJIN) Co.,Ltd. Registration number: Y2021980009022 |
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