TW202323051A - 壓電元件及壓電揚聲器 - Google Patents

壓電元件及壓電揚聲器 Download PDF

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Publication number
TW202323051A
TW202323051A TW111135270A TW111135270A TW202323051A TW 202323051 A TW202323051 A TW 202323051A TW 111135270 A TW111135270 A TW 111135270A TW 111135270 A TW111135270 A TW 111135270A TW 202323051 A TW202323051 A TW 202323051A
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TW
Taiwan
Prior art keywords
piezoelectric
layer
piezoelectric element
film
speaker
Prior art date
Application number
TW111135270A
Other languages
English (en)
Chinese (zh)
Inventor
小原直浩
Original Assignee
日商富士軟片股份有限公司
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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 TW202323051A publication Critical patent/TW202323051A/zh

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    • 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
    • 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
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • 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
    • H10N30/85—Piezoelectric or electrostrictive active materials

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
TW111135270A 2021-09-28 2022-09-19 壓電元件及壓電揚聲器 TW202323051A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021157585 2021-09-28
JP2021-157585 2021-09-28

Publications (1)

Publication Number Publication Date
TW202323051A true TW202323051A (zh) 2023-06-16

Family

ID=85782428

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111135270A TW202323051A (zh) 2021-09-28 2022-09-19 壓電元件及壓電揚聲器

Country Status (4)

Country Link
JP (1) JPWO2023053931A1 (https=)
CN (1) CN118020316A (https=)
TW (1) TW202323051A (https=)
WO (1) WO2023053931A1 (https=)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113678471B (zh) * 2019-03-28 2024-06-11 富士胶片株式会社 压电薄膜、层叠压电元件及电声换能器

Also Published As

Publication number Publication date
CN118020316A (zh) 2024-05-10
WO2023053931A1 (ja) 2023-04-06
JPWO2023053931A1 (https=) 2023-04-06

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