CN111817679B - 一种薄膜体声波谐振器及其制作工艺 - Google Patents
一种薄膜体声波谐振器及其制作工艺 Download PDFInfo
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- CN111817679B CN111817679B CN202010526851.5A CN202010526851A CN111817679B CN 111817679 B CN111817679 B CN 111817679B CN 202010526851 A CN202010526851 A CN 202010526851A CN 111817679 B CN111817679 B CN 111817679B
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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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02125—Means for compensation or elimination of undesirable effects of parasitic elements
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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 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
- 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
- H03H9/174—Membranes
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- H—ELECTRICITY
- 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
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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 elements; Electromechanical resonators
- H03H9/02—Details
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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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
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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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02047—Treatment of substrates
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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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
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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 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
- 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
- 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
- H03H9/133—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials for electromechanical delay lines or filters
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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 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
- 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
- H03H9/173—Air-gaps
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- H—ELECTRICITY
- 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
- H03H2003/021—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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- H—ELECTRICITY
- 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
- H03H2003/023—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
- 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
- H03H2003/025—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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- H—ELECTRICITY
- 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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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
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- H03H9/02—Details
- H03H2009/02165—Tuning
- H03H2009/02173—Tuning of film bulk acoustic resonators [FBAR]
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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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0547—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement
- H03H9/0561—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement consisting of a multilayered structure
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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 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
- 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
- H03H9/175—Acoustic mirrors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
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- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
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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 elements; 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
- H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/587—Air-gaps
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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 elements; 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
- H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/588—Membranes
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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 elements; 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
- H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/589—Acoustic mirrors
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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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
- H03H9/605—Electric coupling means therefor consisting of a ladder configuration
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (14)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010526851.5A CN111817679B (zh) | 2020-06-09 | 2020-06-09 | 一种薄膜体声波谐振器及其制作工艺 |
KR1020227045935A KR20230007552A (ko) | 2020-06-09 | 2020-06-28 | 박막 벌크 음향 공진기 및 그 제조 프로세스 |
PCT/CN2020/098557 WO2021248572A1 (zh) | 2020-06-09 | 2020-06-28 | 一种薄膜体声波谐振器及其制作工艺 |
EP20939534.2A EP4164126A4 (en) | 2020-06-09 | 2020-06-28 | THIN FILM VOLUME SOUND RESONATOR AND PRODUCTION METHOD THEREOF |
US18/007,994 US11901872B2 (en) | 2020-06-09 | 2020-06-28 | Thin film bulk acoustic resonator and manufacturing process therefor |
JP2022574755A JP2023522485A (ja) | 2020-06-09 | 2020-06-28 | 薄膜バルク音波共振器及びその製造工程 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010526851.5A CN111817679B (zh) | 2020-06-09 | 2020-06-09 | 一种薄膜体声波谐振器及其制作工艺 |
Publications (2)
Publication Number | Publication Date |
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CN111817679A CN111817679A (zh) | 2020-10-23 |
CN111817679B true CN111817679B (zh) | 2021-10-15 |
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CN202010526851.5A Active CN111817679B (zh) | 2020-06-09 | 2020-06-09 | 一种薄膜体声波谐振器及其制作工艺 |
Country Status (6)
Country | Link |
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US (1) | US11901872B2 (zh) |
EP (1) | EP4164126A4 (zh) |
JP (1) | JP2023522485A (zh) |
KR (1) | KR20230007552A (zh) |
CN (1) | CN111817679B (zh) |
WO (1) | WO2021248572A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112260659B (zh) * | 2020-10-26 | 2022-02-01 | 武汉大学 | 一种高q值薄膜体声波谐振器及其制备方法 |
CN113965182B (zh) * | 2021-12-23 | 2022-04-01 | 深圳新声半导体有限公司 | 一种提高体声波滤波器制备良率的方法和结构 |
CN117013982B (zh) * | 2022-04-29 | 2024-08-27 | 锐石创芯(重庆)科技有限公司 | 体声波谐振器、滤波器、多工器及其制作方法 |
CN114826191B (zh) * | 2022-05-23 | 2023-11-07 | 武汉敏声新技术有限公司 | 一种薄膜体声波谐振器 |
CN116032236B (zh) * | 2023-02-15 | 2023-06-06 | 成都频岢微电子有限公司 | 一种体声波耳形通道谐振器 |
CN117375560B (zh) * | 2023-10-09 | 2024-07-16 | 武汉敏声新技术有限公司 | 一种体声波谐振器件及其制备方法 |
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JP2018007230A (ja) * | 2016-07-07 | 2018-01-11 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | 音響共振器及びその製造方法 |
CN108173531A (zh) * | 2018-02-08 | 2018-06-15 | 武汉衍熙微器件有限公司 | 一种体声波谐振器与表面声波谐振器的混合式声波谐振器 |
CN110767606A (zh) * | 2019-12-24 | 2020-02-07 | 杭州见闻录科技有限公司 | 一种具有复合功能的电子元器件及其制造方法 |
CN110896302A (zh) * | 2018-09-12 | 2020-03-20 | 天工全球私人有限公司 | 用于体声波谐振器的凹陷框架结构 |
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EP0810676B1 (en) * | 1996-05-27 | 2002-08-28 | Ngk Insulators, Ltd. | Piezoelectric film-type element |
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JP4657660B2 (ja) * | 2003-09-12 | 2011-03-23 | パナソニック株式会社 | 薄膜バルク音響共振器、その製造方法、フィルタ、複合電子部品および通信機器 |
EP1517443B1 (en) * | 2003-09-12 | 2011-06-29 | Panasonic Corporation | Thin film bulk acoustic resonator, method for producing the same, filter, composite electronic component device, and communication device |
CN100488042C (zh) * | 2004-09-07 | 2009-05-13 | 株式会社村田制作所 | 制造压电谐振器的方法 |
JP2007048816A (ja) * | 2005-08-08 | 2007-02-22 | Seiko Epson Corp | アクチュエータ装置の製造方法及びアクチュエータ装置並びに液体噴射ヘッド及び液体噴射装置 |
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2020
- 2020-06-09 CN CN202010526851.5A patent/CN111817679B/zh active Active
- 2020-06-28 US US18/007,994 patent/US11901872B2/en active Active
- 2020-06-28 WO PCT/CN2020/098557 patent/WO2021248572A1/zh unknown
- 2020-06-28 EP EP20939534.2A patent/EP4164126A4/en active Pending
- 2020-06-28 JP JP2022574755A patent/JP2023522485A/ja active Pending
- 2020-06-28 KR KR1020227045935A patent/KR20230007552A/ko not_active Ceased
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CN101309074A (zh) * | 2007-05-17 | 2008-11-19 | 富士通媒体部品株式会社 | 压电薄膜谐振器和滤波器 |
JP2018007230A (ja) * | 2016-07-07 | 2018-01-11 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | 音響共振器及びその製造方法 |
CN108173531A (zh) * | 2018-02-08 | 2018-06-15 | 武汉衍熙微器件有限公司 | 一种体声波谐振器与表面声波谐振器的混合式声波谐振器 |
CN110896302A (zh) * | 2018-09-12 | 2020-03-20 | 天工全球私人有限公司 | 用于体声波谐振器的凹陷框架结构 |
CN110767606A (zh) * | 2019-12-24 | 2020-02-07 | 杭州见闻录科技有限公司 | 一种具有复合功能的电子元器件及其制造方法 |
Also Published As
Publication number | Publication date |
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US11901872B2 (en) | 2024-02-13 |
US20230208383A1 (en) | 2023-06-29 |
KR20230007552A (ko) | 2023-01-12 |
EP4164126A1 (en) | 2023-04-12 |
CN111817679A (zh) | 2020-10-23 |
WO2021248572A1 (zh) | 2021-12-16 |
JP2023522485A (ja) | 2023-05-30 |
EP4164126A4 (en) | 2023-11-22 |
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