CN112821878B - 伪模态抑制型射频谐振器结构 - Google Patents
伪模态抑制型射频谐振器结构 Download PDFInfo
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- CN112821878B CN112821878B CN202110012423.5A CN202110012423A CN112821878B CN 112821878 B CN112821878 B CN 112821878B CN 202110012423 A CN202110012423 A CN 202110012423A CN 112821878 B CN112821878 B CN 112821878B
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Images
Classifications
-
- 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
- H03H9/02244—Details of microelectro-mechanical resonators
-
- 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
- H03H9/02015—Characteristics of piezoelectric layers, 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 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
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (5)
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CN202110012423.5A CN112821878B (zh) | 2021-01-06 | 2021-01-06 | 伪模态抑制型射频谐振器结构 |
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CN202110012423.5A CN112821878B (zh) | 2021-01-06 | 2021-01-06 | 伪模态抑制型射频谐振器结构 |
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CN112821878A CN112821878A (zh) | 2021-05-18 |
CN112821878B true CN112821878B (zh) | 2022-06-14 |
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CN114614792A (zh) * | 2022-03-10 | 2022-06-10 | 电子科技大学 | 一种声波谐振器及滤波器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102403980A (zh) * | 2010-09-09 | 2012-04-04 | 精工爱普生株式会社 | 声表面波器件、电子设备及传感器装置 |
CN108540105A (zh) * | 2018-04-11 | 2018-09-14 | 武汉大学 | 射频谐振器结构 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6424237B1 (en) * | 2000-12-21 | 2002-07-23 | Agilent Technologies, Inc. | Bulk acoustic resonator perimeter reflection system |
US7388454B2 (en) * | 2004-10-01 | 2008-06-17 | Avago Technologies Wireless Ip Pte Ltd | Acoustic resonator performance enhancement using alternating frame structure |
JP2019062441A (ja) * | 2017-09-27 | 2019-04-18 | 株式会社村田製作所 | 弾性波装置 |
US11190164B2 (en) * | 2019-05-24 | 2021-11-30 | Texas Instruments Incorporated | Using acoustic reflector to reduce spurious modes |
US11601113B2 (en) * | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
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2021
- 2021-01-06 CN CN202110012423.5A patent/CN112821878B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102403980A (zh) * | 2010-09-09 | 2012-04-04 | 精工爱普生株式会社 | 声表面波器件、电子设备及传感器装置 |
CN108540105A (zh) * | 2018-04-11 | 2018-09-14 | 武汉大学 | 射频谐振器结构 |
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Effective date of registration: 20220401 Address after: 315832 e2025, zone a, Room 401, building 1, No. 88, Meishan Qixing Road, Beilun District, Ningbo, Zhejiang Province Applicant after: Ningbo Huazhang enterprise management partnership (L.P.) Address before: 430072 Hubei Province, Wuhan city Wuchang District of Wuhan University Luojiashan Applicant before: WUHAN University |
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Effective date of registration: 20220823 Address after: No.01, 4th floor, building D7, phase 3, Wuhan Software New Town, No.9 Huacheng Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Minsheng New Technology Co.,Ltd. Address before: 315832 e2025, zone a, Room 401, building 1, No. 88, Meishan Qixing Road, Beilun District, Ningbo, Zhejiang Province Patentee before: Ningbo Huazhang enterprise management partnership (L.P.) |
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