JPWO2020261954A1 - - Google Patents

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Publication number
JPWO2020261954A1
JPWO2020261954A1 JP2021527608A JP2021527608A JPWO2020261954A1 JP WO2020261954 A1 JPWO2020261954 A1 JP WO2020261954A1 JP 2021527608 A JP2021527608 A JP 2021527608A JP 2021527608 A JP2021527608 A JP 2021527608A JP WO2020261954 A1 JPWO2020261954 A1 JP WO2020261954A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021527608A
Other versions
JP7265625B2 (ja
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 filed Critical
Publication of JPWO2020261954A1 publication Critical patent/JPWO2020261954A1/ja
Application granted granted Critical
Publication of JP7265625B2 publication Critical patent/JP7265625B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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
    • 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
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • 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
    • H10N30/50—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
    • H10N30/88—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)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP2021527608A 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 Active JP7265625B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019121097 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 (2)

Publication Number Publication Date
JPWO2020261954A1 true JPWO2020261954A1 (ja) 2020-12-30
JP7265625B2 JP7265625B2 (ja) 2023-04-26

Family

ID=74061243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021527608A Active JP7265625B2 (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

Country Status (7)

Country Link
US (1) US20220103949A1 (ja)
EP (1) EP3993442B1 (ja)
JP (1) JP7265625B2 (ja)
KR (1) KR20210154841A (ja)
CN (1) CN114008803A (ja)
TW (1) TW202103501A (ja)
WO (1) WO2020261954A1 (ja)

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
CN114730827A (zh) * 2019-11-12 2022-07-08 富士胶片株式会社 压电元件
WO2021225075A1 (ja) * 2020-05-08 2021-11-11 富士フイルム株式会社 高分子圧電フィルム
EP4333086A1 (en) * 2021-04-28 2024-03-06 Mitsui Chemicals, Inc. Polymer piezoelectric film element, power storage device using same, and load detection device
JPWO2023053758A1 (ja) * 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380437U (ja) * 1976-12-06 1978-07-04
JPH0520630U (ja) * 1991-05-16 1993-03-19 株式会社イトーキクレビオ 机天板におけるエツジ部材の取付構造
KR20030019679A (ko) * 2001-08-29 2003-03-07 김승조 평판형 스피커
JP2014212307A (ja) * 2013-04-01 2014-11-13 富士フイルム株式会社 電気音響変換フィルム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US7548013B2 (en) * 2006-03-14 2009-06-16 Piezotech, Llc High temperature piezo buzzer
JP4960765B2 (ja) 2007-05-22 2012-06-27 日本放送協会 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
WO2013047875A1 (ja) 2011-09-30 2013-04-04 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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380437U (ja) * 1976-12-06 1978-07-04
JPH0520630U (ja) * 1991-05-16 1993-03-19 株式会社イトーキクレビオ 机天板におけるエツジ部材の取付構造
KR20030019679A (ko) * 2001-08-29 2003-03-07 김승조 평판형 스피커
JP2014212307A (ja) * 2013-04-01 2014-11-13 富士フイルム株式会社 電気音響変換フィルム

Also Published As

Publication number Publication date
US20220103949A1 (en) 2022-03-31
EP3993442A4 (en) 2023-06-07
EP3993442A1 (en) 2022-05-04
TW202103501A (zh) 2021-01-16
CN114008803A (zh) 2022-02-01
JP7265625B2 (ja) 2023-04-26
EP3993442B1 (en) 2024-07-17
KR20210154841A (ko) 2021-12-21
WO2020261954A1 (ja) 2020-12-30

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