TW202315175A - 壓電元件及電聲轉換器 - Google Patents

壓電元件及電聲轉換器 Download PDF

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Publication number
TW202315175A
TW202315175A TW111131866A TW111131866A TW202315175A TW 202315175 A TW202315175 A TW 202315175A TW 111131866 A TW111131866 A TW 111131866A TW 111131866 A TW111131866 A TW 111131866A TW 202315175 A TW202315175 A TW 202315175A
Authority
TW
Taiwan
Prior art keywords
piezoelectric
layer
piezoelectric element
protruding portion
electrode layer
Prior art date
Application number
TW111131866A
Other languages
English (en)
Chinese (zh)
Inventor
小沢栄貴
Original Assignee
日商富士軟片股份有限公司
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 日商富士軟片股份有限公司 filed Critical 日商富士軟片股份有限公司
Publication of TW202315175A publication Critical patent/TW202315175A/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
TW111131866A 2021-09-28 2022-08-24 壓電元件及電聲轉換器 TW202315175A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-157983 2021-09-28
JP2021157983 2021-09-28

Publications (1)

Publication Number Publication Date
TW202315175A true TW202315175A (zh) 2023-04-01

Family

ID=85782338

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111131866A TW202315175A (zh) 2021-09-28 2022-08-24 壓電元件及電聲轉換器

Country Status (4)

Country Link
JP (1) JPWO2023053750A1 (https=)
CN (1) CN117957858A (https=)
TW (1) TW202315175A (https=)
WO (1) WO2023053750A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6054486A (ja) * 1983-09-05 1985-03-28 Toshiba Corp 高分子素子のリ−ド線接続部
JP6005089B2 (ja) * 2013-03-29 2016-10-12 富士フイルム株式会社 電気音響変換フィルム
JP6201583B2 (ja) * 2013-09-30 2017-09-27 株式会社村田製作所 圧電デバイスおよび圧電デバイスの製造方法
WO2020095812A1 (ja) * 2018-11-08 2020-05-14 富士フイルム株式会社 積層圧電素子および電気音響変換器
EP4149118A4 (en) * 2020-05-07 2023-10-18 FUJIFILM Corporation PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC SPEAKER

Also Published As

Publication number Publication date
WO2023053750A1 (ja) 2023-04-06
JPWO2023053750A1 (https=) 2023-04-06
CN117957858A (zh) 2024-04-30

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