CN113632502B - 压电薄膜、层叠压电元件及电声换能器 - Google Patents

压电薄膜、层叠压电元件及电声换能器 Download PDF

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Publication number
CN113632502B
CN113632502B CN202080023895.4A CN202080023895A CN113632502B CN 113632502 B CN113632502 B CN 113632502B CN 202080023895 A CN202080023895 A CN 202080023895A CN 113632502 B CN113632502 B CN 113632502B
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China
Prior art keywords
piezoelectric
film
laminated
piezoelectric element
layer
Prior art date
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CN202080023895.4A
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English (en)
Chinese (zh)
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CN113632502A (zh
Inventor
三好哲
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Fujifilm Corp
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Fujifilm Corp
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Publication of CN113632502A publication Critical patent/CN113632502A/zh
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    • 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
    • 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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • 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
    • H10N30/01—Manufacture or treatment
    • H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
    • H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
    • 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
    • H10N30/704—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings
    • 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
    • H10N30/852—Composite materials, e.g. having 1-3 or 2-2 type connectivity
    • 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
    • H10N30/871—Single-layered electrodes of multilayer piezoelectric or electrostrictive devices, e.g. internal electrodes
    • 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
    • H10N30/875—Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins
    • 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
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CN202080023895.4A 2019-03-28 2020-03-27 压电薄膜、层叠压电元件及电声换能器 Active CN113632502B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019-062359 2019-03-28
JP2019062359 2019-03-28
JP2019152684 2019-08-23
JP2019-152684 2019-08-23
PCT/JP2020/013902 WO2020196807A1 (ja) 2019-03-28 2020-03-27 圧電フィルム、積層圧電素子および電気音響変換器

Publications (2)

Publication Number Publication Date
CN113632502A CN113632502A (zh) 2021-11-09
CN113632502B true CN113632502B (zh) 2023-07-18

Family

ID=72610593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080023895.4A Active CN113632502B (zh) 2019-03-28 2020-03-27 压电薄膜、层叠压电元件及电声换能器

Country Status (6)

Country Link
US (1) US11778913B2 (https=)
JP (1) JP7137689B2 (https=)
KR (1) KR102600731B1 (https=)
CN (1) CN113632502B (https=)
TW (1) TW202042570A (https=)
WO (1) WO2020196807A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102705482B1 (ko) 2021-12-10 2024-09-10 엘티메탈 주식회사 압전 필름 제조방법 및 이를 이용하여 제조된 압전 필름
KR20230088170A (ko) 2021-12-10 2023-06-19 엘티메탈 주식회사 압전소자 익사이터의 평가용 지그 및 이를 포함하는 압전소자 익사이터의 평가장치
WO2023149073A1 (ja) * 2022-02-04 2023-08-10 富士フイルム株式会社 圧電デバイス
KR20250062575A (ko) 2023-10-31 2025-05-08 엘티메탈 주식회사 압전스피커의 음압 측정장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000338901A (ja) 1999-06-01 2000-12-08 Matsushita Electric Ind Co Ltd フレキシブルディスプレイ基板の製造方法
EP1795343B1 (en) * 2004-10-01 2012-12-12 Sekisui Chemical Co., Ltd. Thermoplastic resin sheet and layered product
JP5599858B2 (ja) * 2011-09-30 2014-10-01 富士フイルム株式会社 電気音響変換フィルム、フレキシブルディスプレイ、声帯マイクロフォンおよび楽器用センサー
JP6005093B2 (ja) * 2013-03-28 2016-10-12 富士フイルム株式会社 電気音響変換フィルム、電気音響変換器、フレキシブルディスプレイおよびプロジェクター用スクリーン
WO2014157684A1 (ja) * 2013-03-29 2014-10-02 富士フイルム株式会社 スピーカシステム
JP6071932B2 (ja) 2013-04-01 2017-02-01 富士フイルム株式会社 電気音響変換フィルム
JP5989910B2 (ja) * 2014-03-25 2016-09-07 京セラ株式会社 音響発生器およびこれを備えた音響発生装置、電子機器
WO2017002573A1 (ja) * 2015-06-29 2017-01-05 富士フイルム株式会社 電気音響変換器

Also Published As

Publication number Publication date
TW202042570A (zh) 2020-11-16
JPWO2020196807A1 (https=) 2020-10-01
KR102600731B1 (ko) 2023-11-09
US20220013709A1 (en) 2022-01-13
KR20210129185A (ko) 2021-10-27
CN113632502A (zh) 2021-11-09
US11778913B2 (en) 2023-10-03
JP7137689B2 (ja) 2022-09-14
WO2020196807A1 (ja) 2020-10-01

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