CN119836747A - 压电振动元件 - Google Patents

压电振动元件 Download PDF

Info

Publication number
CN119836747A
CN119836747A CN202480003841.XA CN202480003841A CN119836747A CN 119836747 A CN119836747 A CN 119836747A CN 202480003841 A CN202480003841 A CN 202480003841A CN 119836747 A CN119836747 A CN 119836747A
Authority
CN
China
Prior art keywords
excitation electrode
outer edge
edge portion
mass
sound velocity
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
CN202480003841.XA
Other languages
English (en)
Chinese (zh)
Inventor
村内大树
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 CN119836747A publication Critical patent/CN119836747A/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
    • H03H9/02157—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
    • H03H9/125—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
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CN202480003841.XA 2023-07-19 2024-04-01 压电振动元件 Pending CN119836747A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023-117392 2023-07-19
JP2023117392 2023-07-19
PCT/JP2024/013407 WO2025017976A1 (ja) 2023-07-19 2024-04-01 圧電振動素子

Publications (1)

Publication Number Publication Date
CN119836747A true CN119836747A (zh) 2025-04-15

Family

ID=94282028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480003841.XA Pending CN119836747A (zh) 2023-07-19 2024-04-01 压电振动元件

Country Status (4)

Country Link
US (1) US20250183873A1 (https=)
JP (1) JP7718606B2 (https=)
CN (1) CN119836747A (https=)
WO (1) WO2025017976A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031710A (ja) * 1989-05-30 1991-01-08 Kinseki Ltd 圧電振動子
WO1998038736A1 (en) * 1997-02-26 1998-09-03 Toyo Communication Equipment Co., Ltd. Piezoelectric vibrator and method for manufacturing the same
CN114788175B (zh) * 2019-12-06 2026-04-07 株式会社村田制作所 弹性波装置
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
JP2022153702A (ja) * 2021-03-30 2022-10-13 株式会社大真空 圧電フィルタ

Also Published As

Publication number Publication date
US20250183873A1 (en) 2025-06-05
WO2025017976A1 (ja) 2025-01-23
JPWO2025017976A1 (https=) 2025-01-23
JP7718606B2 (ja) 2025-08-05

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