CN117957858A - 压电元件及电声转换器 - Google Patents

压电元件及电声转换器 Download PDF

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Publication number
CN117957858A
CN117957858A CN202280060037.6A CN202280060037A CN117957858A CN 117957858 A CN117957858 A CN 117957858A CN 202280060037 A CN202280060037 A CN 202280060037A CN 117957858 A CN117957858 A CN 117957858A
Authority
CN
China
Prior art keywords
piezoelectric
layer
piezoelectric element
electrode layer
protrusion
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
CN202280060037.6A
Other languages
English (en)
Chinese (zh)
Inventor
小泽荣贵
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.)
Fujifilm Corp
Original Assignee
Fujifilm Corp
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 Fujifilm Corp filed Critical Fujifilm Corp
Publication of CN117957858A publication Critical patent/CN117957858A/zh
Pending legal-status Critical Current

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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)
CN202280060037.6A 2021-09-28 2022-08-15 压电元件及电声转换器 Pending CN117957858A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-157983 2021-09-28
JP2021157983 2021-09-28
PCT/JP2022/030855 WO2023053750A1 (ja) 2021-09-28 2022-08-15 圧電素子および電気音響変換器

Publications (1)

Publication Number Publication Date
CN117957858A true CN117957858A (zh) 2024-04-30

Family

ID=85782338

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280060037.6A Pending CN117957858A (zh) 2021-09-28 2022-08-15 压电元件及电声转换器

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
TW202315175A (zh) 2023-04-01

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