CN112117988B - 体声波谐振器及其制造方法、滤波器、电子设备 - Google Patents

体声波谐振器及其制造方法、滤波器、电子设备 Download PDF

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Publication number
CN112117988B
CN112117988B CN202010519683.7A CN202010519683A CN112117988B CN 112117988 B CN112117988 B CN 112117988B CN 202010519683 A CN202010519683 A CN 202010519683A CN 112117988 B CN112117988 B CN 112117988B
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bottom electrode
flat
forming
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Chinese (zh)
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CN112117988A (zh
Inventor
黄河
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Smic Ningbo Co ltd Shanghai Branch
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Smic Ningbo Co ltd Shanghai Branch
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Priority to CN202010519683.7A priority Critical patent/CN112117988B/zh
Priority to PCT/CN2020/137219 priority patent/WO2021248866A1/fr
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171Constructional 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02Apparatus 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02007Details of bulk acoustic wave devices

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CN202010519683.7A 2020-06-09 2020-06-09 体声波谐振器及其制造方法、滤波器、电子设备 Active CN112117988B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010519683.7A CN112117988B (zh) 2020-06-09 2020-06-09 体声波谐振器及其制造方法、滤波器、电子设备
PCT/CN2020/137219 WO2021248866A1 (fr) 2020-06-09 2020-12-17 Résonateur acoustique de volume et son procédé de fabrication, filtre et dispositif électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010519683.7A CN112117988B (zh) 2020-06-09 2020-06-09 体声波谐振器及其制造方法、滤波器、电子设备

Publications (2)

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CN112117988A CN112117988A (zh) 2020-12-22
CN112117988B true CN112117988B (zh) 2024-06-18

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CN202010519683.7A Active CN112117988B (zh) 2020-06-09 2020-06-09 体声波谐振器及其制造方法、滤波器、电子设备

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CN (1) CN112117988B (fr)
WO (1) WO2021248866A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106274A (zh) * 2022-06-14 2022-09-27 北京海创微芯科技有限公司 一种mems换能器及制作方法
CN115225058B (zh) * 2022-09-20 2023-01-10 深圳新声半导体有限公司 谐振结构、用于制作谐振结构的方法
CN117639713A (zh) * 2023-02-02 2024-03-01 北京芯溪半导体科技有限公司 体声波谐振器及其制造方法、滤波器和电子设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104883153A (zh) * 2014-02-27 2015-09-02 安华高科技通用Ip(新加坡)公司 具有掺杂压电层的体声波谐振器
CN109714016A (zh) * 2017-10-25 2019-05-03 安华高科技股份有限公司 体声波谐振器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005236337A (ja) * 2001-05-11 2005-09-02 Ube Ind Ltd 薄膜音響共振器及びその製造方法
JP4676437B2 (ja) * 2003-10-06 2011-04-27 エヌエックスピー ビー ヴィ 共振器構造体及びそれを製造する方法
US9490418B2 (en) * 2011-03-29 2016-11-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator comprising collar and acoustic reflector with temperature compensating layer
US9385684B2 (en) * 2012-10-23 2016-07-05 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator having guard ring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104883153A (zh) * 2014-02-27 2015-09-02 安华高科技通用Ip(新加坡)公司 具有掺杂压电层的体声波谐振器
CN109714016A (zh) * 2017-10-25 2019-05-03 安华高科技股份有限公司 体声波谐振器

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WO2021248866A1 (fr) 2021-12-16
CN112117988A (zh) 2020-12-22

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