CN120693789A - 压电振动元件 - Google Patents

压电振动元件

Info

Publication number
CN120693789A
CN120693789A CN202380094293.1A CN202380094293A CN120693789A CN 120693789 A CN120693789 A CN 120693789A CN 202380094293 A CN202380094293 A CN 202380094293A CN 120693789 A CN120693789 A CN 120693789A
Authority
CN
China
Prior art keywords
velocity region
sound velocity
low sound
region
low
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202380094293.1A
Other languages
English (en)
Chinese (zh)
Inventor
西村俊雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN120693789A publication Critical patent/CN120693789A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
    • 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
    • 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
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • 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
    • H03H9/0542—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a lateral arrangement
    • 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
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1021—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being of the cantilever type
    • 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
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
    • 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
    • H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CN202380094293.1A 2023-04-14 2023-11-22 压电振动元件 Pending CN120693789A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023-066681 2023-04-14
JP2023066681 2023-04-14
PCT/JP2023/042073 WO2024214335A1 (ja) 2023-04-14 2023-11-22 圧電振動素子

Publications (1)

Publication Number Publication Date
CN120693789A true CN120693789A (zh) 2025-09-23

Family

ID=93059320

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202380094293.1A Pending CN120693789A (zh) 2023-04-14 2023-11-22 压电振动元件
CN202480003951.6A Pending CN119999091A (zh) 2023-04-14 2024-04-11 压电振动元件

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202480003951.6A Pending CN119999091A (zh) 2023-04-14 2024-04-11 压电振动元件

Country Status (4)

Country Link
US (1) US20250379556A1 (https=)
JP (2) JP7665133B2 (https=)
CN (2) CN120693789A (https=)
WO (2) WO2024214335A1 (https=)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183025U (ja) * 1983-05-23 1984-12-06 キンセキ株式会社 水晶振動子
WO1998038736A1 (en) 1997-02-26 1998-09-03 Toyo Communication Equipment Co., Ltd. Piezoelectric vibrator and method for manufacturing the same
JPH11340775A (ja) * 1998-05-26 1999-12-10 Tdk Corp 圧電振動子
JP4665849B2 (ja) * 2006-06-23 2011-04-06 株式会社大真空 圧電振動デバイスの製造方法
JP2010081317A (ja) * 2008-09-26 2010-04-08 Nippon Dempa Kogyo Co Ltd 水晶振動子
JP5824967B2 (ja) * 2011-08-24 2015-12-02 セイコーエプソン株式会社 振動素子、振動子、電子デバイス、及び電子機器
JP2014127743A (ja) * 2012-12-25 2014-07-07 Nippon Dempa Kogyo Co Ltd 水晶振動子
JP7261568B2 (ja) 2018-11-28 2023-04-20 太陽誘電株式会社 弾性波デバイス、フィルタおよびマルチプレクサ
JP7311152B2 (ja) * 2020-03-18 2023-07-19 有限会社マクシス・ワン 水晶振動子の電極構造、水晶振動子、水晶発振器
CN116368733A (zh) * 2020-10-13 2023-06-30 株式会社村田制作所 晶体振动元件以及晶体振动器

Also Published As

Publication number Publication date
WO2024214774A1 (ja) 2024-10-17
JPWO2024214774A1 (https=) 2024-10-17
JP7665133B2 (ja) 2025-04-21
US20250379556A1 (en) 2025-12-11
CN119999091A (zh) 2025-05-13
WO2024214335A1 (ja) 2024-10-17
JPWO2024214335A1 (https=) 2024-10-17
JP7723916B2 (ja) 2025-08-15

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