KR20210154841A - 전기 음향 변환 필름 및 전기 음향 변환기 - Google Patents

전기 음향 변환 필름 및 전기 음향 변환기 Download PDF

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Publication number
KR20210154841A
KR20210154841A KR1020217037889A KR20217037889A KR20210154841A KR 20210154841 A KR20210154841 A KR 20210154841A KR 1020217037889 A KR1020217037889 A KR 1020217037889A KR 20217037889 A KR20217037889 A KR 20217037889A KR 20210154841 A KR20210154841 A KR 20210154841A
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KR
South Korea
Prior art keywords
conversion film
electroacoustic conversion
electroacoustic
piezoelectric
layer
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.)
Ceased
Application number
KR1020217037889A
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English (en)
Korean (ko)
Inventor
줌페이 이시다
Original Assignee
후지필름 가부시키가이샤
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Publication date
Application filed by 후지필름 가부시키가이샤 filed Critical 후지필름 가부시키가이샤
Publication of KR20210154841A publication Critical patent/KR20210154841A/ko
Ceased legal-status Critical Current

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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
    • 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
    • H01L41/09—
    • H01L41/113—
    • H01L41/18—
    • 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
    • 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
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • 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
    • 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
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/857—Macromolecular compositions
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
KR1020217037889A 2019-06-28 2020-06-08 전기 음향 변환 필름 및 전기 음향 변환기 Ceased KR20210154841A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-121097 2019-06-28
JP2019121097 2019-06-28
PCT/JP2020/022465 WO2020261954A1 (ja) 2019-06-28 2020-06-08 電気音響変換フィルムおよび電気音響変換器

Publications (1)

Publication Number Publication Date
KR20210154841A true KR20210154841A (ko) 2021-12-21

Family

ID=74061243

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217037889A Ceased KR20210154841A (ko) 2019-06-28 2020-06-08 전기 음향 변환 필름 및 전기 음향 변환기

Country Status (7)

Country Link
US (1) US12382225B2 (https=)
EP (1) EP3993442B1 (https=)
JP (1) JP7265625B2 (https=)
KR (1) KR20210154841A (https=)
CN (1) CN114008803B (https=)
TW (1) TW202103501A (https=)
WO (1) WO2020261954A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3879590A4 (en) * 2018-11-08 2021-12-29 FUJIFILM Corporation Laminated piezoelectric element and electro-acoustic transducer
KR20220076506A (ko) * 2019-11-12 2022-06-08 후지필름 가부시키가이샤 압전 소자
CN115485870A (zh) * 2020-05-08 2022-12-16 富士胶片株式会社 高分子压电薄膜
WO2022230707A1 (ja) * 2021-04-28 2022-11-03 三井化学株式会社 高分子圧電性フィルム素子と、それを用いた蓄電デバイスおよび荷重検知デバイス
JPWO2023053758A1 (https=) * 2021-09-28 2023-04-06
CN116249338B (zh) * 2023-03-15 2024-03-22 潍坊新声悦尔电子科技有限公司 Ptfe膜覆膜背极板驻极电荷激活老化工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008294493A (ja) 2007-05-22 2008-12-04 Nippon Hoso Kyokai <Nhk> フレキシブルスピーカの音質補正装置および音質補正装置を備えたスピーカシステム
JP2014014063A (ja) 2011-09-30 2014-01-23 Fujifilm Corp 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

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
JPS5380437U (https=) * 1976-12-06 1978-07-04
JPS5380437A (en) 1976-12-27 1978-07-15 Yukiko Mikami Method of sticking thin films to be removable after sticking* if desired* using tape with both faces thereof differently adhesive
JP2542823Y2 (ja) * 1991-05-16 1997-07-30 株式会社イトーキクレビオ 机天板におけるエッジ部材の取付構造
JPH0520630A (ja) 1991-07-11 1993-01-29 Tdk Corp 電算機用磁気ヘツド
JPH1154531A (ja) * 1997-07-31 1999-02-26 Nec Kansai Ltd セラミックパッケージ型圧電素子およびその製造方法
KR100396001B1 (ko) * 2001-08-29 2003-08-27 김승조 평판형 스피커
JP4795748B2 (ja) 2004-09-13 2011-10-19 株式会社デンソー 圧電アクチュエータ
TW200621858A (en) * 2004-12-31 2006-07-01 Ind Tech Res Inst Fluoropolymer composite
US7548013B2 (en) * 2006-03-14 2009-06-16 Piezotech, Llc High temperature piezo buzzer
JP2011166365A (ja) 2010-02-08 2011-08-25 Yamaha Corp 圧電型発音装置およびその製造方法
KR101153553B1 (ko) * 2010-07-28 2012-06-11 삼성전기주식회사 진동 장치 및 이를 갖는 전자 장치
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
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
JP6018108B2 (ja) * 2014-03-28 2016-11-02 富士フイルム株式会社 高分子複合圧電体
JP6199245B2 (ja) 2014-06-30 2017-09-20 富士フイルム株式会社 電気音響変換フィルムおよび電気音響変換フィルムの導通方法
JP6431984B2 (ja) 2015-07-27 2018-11-28 富士フイルム株式会社 電気音響変換フィルムおよびその製造方法、ならびに、電気音響変換器、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
TWI823206B (zh) * 2020-12-16 2023-11-21 美商聖高拜塑膠製品公司 介電基板及其製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008294493A (ja) 2007-05-22 2008-12-04 Nippon Hoso Kyokai <Nhk> フレキシブルスピーカの音質補正装置および音質補正装置を備えたスピーカシステム
JP2014014063A (ja) 2011-09-30 2014-01-23 Fujifilm Corp 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

Also Published As

Publication number Publication date
CN114008803B (zh) 2025-11-18
EP3993442A1 (en) 2022-05-04
US20220103949A1 (en) 2022-03-31
JPWO2020261954A1 (https=) 2020-12-30
EP3993442A4 (en) 2023-06-07
EP3993442B1 (en) 2024-07-17
US12382225B2 (en) 2025-08-05
CN114008803A (zh) 2022-02-01
JP7265625B2 (ja) 2023-04-26
WO2020261954A1 (ja) 2020-12-30
TW202103501A (zh) 2021-01-16

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