CN111262541B - 体声波谐振器及其封装方法、滤波器、电子设备 - Google Patents
体声波谐振器及其封装方法、滤波器、电子设备 Download PDFInfo
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- CN111262541B CN111262541B CN201911424815.1A CN201911424815A CN111262541B CN 111262541 B CN111262541 B CN 111262541B CN 201911424815 A CN201911424815 A CN 201911424815A CN 111262541 B CN111262541 B CN 111262541B
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- top electrode
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- acoustic wave
- bulk acoustic
- resonator
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Images
Classifications
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- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
-
- 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
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- 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
- H03H9/131—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials consisting of a multilayered structure
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—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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- 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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- 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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- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
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- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H2003/021—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks being of the air-gap type
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- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
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- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H2003/023—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks being of the membrane type
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- H—ELECTRICITY
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- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H2003/025—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks comprising an acoustic mirror
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- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H2003/028—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired values of other parameters
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- H03H2009/02165—Tuning
- H03H2009/02173—Tuning of film bulk acoustic resonators [FBAR]
Abstract
Description
Claims (16)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911424815.1A CN111262541B (zh) | 2019-12-31 | 2019-12-31 | 体声波谐振器及其封装方法、滤波器、电子设备 |
PCT/CN2020/088722 WO2021135012A1 (zh) | 2019-12-31 | 2020-05-06 | 体声波谐振器及其封装方法、滤波器、电子设备 |
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CN201911424815.1A CN111262541B (zh) | 2019-12-31 | 2019-12-31 | 体声波谐振器及其封装方法、滤波器、电子设备 |
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CN111262541A CN111262541A (zh) | 2020-06-09 |
CN111262541B true CN111262541B (zh) | 2021-03-12 |
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CN (1) | CN111262541B (zh) |
WO (1) | WO2021135012A1 (zh) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112916058B (zh) * | 2021-01-20 | 2022-04-29 | 天津大学 | 用于微纳米粒子分选的声学微流控装置 |
CN115589212B (zh) * | 2022-12-12 | 2023-04-11 | 成都频岢微电子有限公司 | 一种具有薄膜封装的体声波谐振器、制造方法及滤波器 |
CN116707477B (zh) * | 2023-08-02 | 2024-04-02 | 深圳新声半导体有限公司 | 用于制造薄膜体声波谐振器fbar滤波装置的方法 |
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JP2008035358A (ja) * | 2006-07-31 | 2008-02-14 | Hitachi Media Electoronics Co Ltd | 薄膜圧電バルク波共振器及びそれを用いた高周波フィルタ |
WO2008085779A1 (en) * | 2007-01-05 | 2008-07-17 | Miradia Inc. | Methods and systems for wafer level packaging of mems structures |
JP6441761B2 (ja) * | 2015-07-29 | 2018-12-19 | 太陽誘電株式会社 | 圧電薄膜共振器及びフィルタ |
US9948272B2 (en) * | 2015-09-10 | 2018-04-17 | Qorvo Us, Inc. | Air gap in BAW top metal stack for reduced resistive and acoustic loss |
US10490974B2 (en) * | 2017-03-31 | 2019-11-26 | The Regents Of The University Of California | Self-referencing frequency comb based on high-order sideband generation |
US10965274B2 (en) * | 2017-12-07 | 2021-03-30 | Infineon Technologies Ag | System and method for a radio frequency filter |
CN110166014B (zh) * | 2018-02-11 | 2020-09-08 | 诺思(天津)微系统有限责任公司 | 体声波谐振器及其制造方法 |
CN209844929U (zh) * | 2018-11-14 | 2019-12-24 | 天津大学 | 带断裂结构体声波谐振器、滤波器和电子设备 |
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2019
- 2019-12-31 CN CN201911424815.1A patent/CN111262541B/zh active Active
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2020
- 2020-05-06 WO PCT/CN2020/088722 patent/WO2021135012A1/zh active Application Filing
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CN111262541A (zh) | 2020-06-09 |
WO2021135012A1 (zh) | 2021-07-08 |
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