FR2494913B1 - - Google Patents

Info

Publication number
FR2494913B1
FR2494913B1 FR8121662A FR8121662A FR2494913B1 FR 2494913 B1 FR2494913 B1 FR 2494913B1 FR 8121662 A FR8121662 A FR 8121662A FR 8121662 A FR8121662 A FR 8121662A FR 2494913 B1 FR2494913 B1 FR 2494913B1
Authority
FR
France
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.)
Expired
Application number
FR8121662A
Other languages
French (fr)
Other versions
FR2494913A1 (fr
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2494913A1 publication Critical patent/FR2494913A1/fr
Application granted granted Critical
Publication of FR2494913B1 publication Critical patent/FR2494913B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/098—Forming organic 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
    • H10N30/01—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
FR8121662A 1980-11-24 1981-11-19 Procede d'orientation des poles d'une feuille d'un materiau polymere et organe de flexion piezoelectrique forme d'une feuille orientee suivant ce procede Granted FR2494913A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/209,800 US4375042A (en) 1980-11-24 1980-11-24 Temperature gradient method of nonuniformly poling a body of polymeric piezoelectric material and novel flexure elements produced thereby

Publications (2)

Publication Number Publication Date
FR2494913A1 FR2494913A1 (fr) 1982-05-28
FR2494913B1 true FR2494913B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-04-26

Family

ID=22780336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121662A Granted FR2494913A1 (fr) 1980-11-24 1981-11-19 Procede d'orientation des poles d'une feuille d'un materiau polymere et organe de flexion piezoelectrique forme d'une feuille orientee suivant ce procede

Country Status (6)

Country Link
US (1) US4375042A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57120388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3146146A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2494913A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2090700B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (1) HK1686A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3234584A1 (de) * 1982-09-17 1984-03-22 Reinhard 8206 Bruckmühl Fuchs Koerperschall-aufnehmer piezoelektrischer biegungs-aufnehmer
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
US4459634A (en) * 1982-10-22 1984-07-10 Pennwalt Corporation Reverse field stabilization of polarized polymer films
JPS59205779A (ja) * 1983-05-09 1984-11-21 Daikin Ind Ltd 高分子圧電性材料の製法
GB8722086D0 (en) * 1987-09-19 1987-10-28 Cambridge Consultants Poling piezo-electric ceramic
GB8802506D0 (en) * 1988-02-04 1988-03-02 Am Int Piezo-electric laminate
US5283497A (en) * 1992-02-10 1994-02-01 Rockwell International Corporation Electrotiltable material (tilter)
US5891581A (en) * 1995-09-07 1999-04-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Thermally stable, piezoelectric and pyroelectric polymeric substrates
US6091182A (en) * 1996-11-07 2000-07-18 Ngk Insulators, Ltd. Piezoelectric/electrostrictive element
US6262519B1 (en) * 1998-06-19 2001-07-17 Eastman Kodak Company Method of controlling fluid flow in a microfluidic process
US6169355B1 (en) * 1998-07-22 2001-01-02 Eastman Kodak Company Piezoelectric actuating element for an ink jet head and the like
US6452310B1 (en) * 2000-01-18 2002-09-17 Texas Instruments Incorporated Thin film resonator and method
DE102004009140B4 (de) * 2004-02-25 2006-10-05 Siemens Ag Verfahren und Vorrichtung zur Polarisierung eines piezoelektrischen Aktors
US20110073188A1 (en) * 2009-09-30 2011-03-31 Marcus Michael A Microvalve for control of compressed fluids
US11039814B2 (en) 2016-12-04 2021-06-22 Exo Imaging, Inc. Imaging devices having piezoelectric transducers
US10648852B2 (en) 2018-04-11 2020-05-12 Exo Imaging Inc. Imaging devices having piezoelectric transceivers
US10656007B2 (en) 2018-04-11 2020-05-19 Exo Imaging Inc. Asymmetrical ultrasound transducer array
CN112470214A (zh) 2018-05-21 2021-03-09 艾科索成像公司 具有q值突变的超声换能器
WO2020028580A1 (en) 2018-08-01 2020-02-06 Exo Imaging, Inc. Systems and methods for integrating ultrasonic transducers with hybrid contacts
KR20210065927A (ko) 2018-09-25 2021-06-04 엑소 이미징, 인크. 선택적으로 변경 가능한 특성을 가지는 촬상 장치
CN113543717B (zh) 2018-12-27 2024-09-17 艾科索成像公司 以降低的成本、尺寸和功率来保持超声成像中图像质量的方法
EP4029068A4 (en) 2019-09-12 2023-12-13 Exo Imaging Inc. Increased mut coupling efficiency and bandwidth via edge groove, virtual pivots, and free boundaries
US11199623B2 (en) 2020-03-05 2021-12-14 Exo Imaging, Inc. Ultrasonic imaging device with programmable anatomy and flow imaging
US11819881B2 (en) 2021-03-31 2023-11-21 Exo Imaging, Inc. Imaging devices having piezoelectric transceivers with harmonic characteristics
US11951512B2 (en) 2021-03-31 2024-04-09 Exo Imaging, Inc. Imaging devices having piezoelectric transceivers with harmonic characteristics
CN114736014B (zh) * 2022-03-30 2023-05-05 中山大学 一种剩余极化陶瓷样品的挠曲电响应表征方法
CN114685187B (zh) * 2022-03-31 2023-05-12 中山大学 一种提升复合陶瓷等效挠曲电响应的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE492967A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1948-12-28
US3365633A (en) * 1965-05-27 1968-01-23 Linden Lab Inc Method of treating polycrystalline ceramics for polarizing them
US3378704A (en) * 1966-01-05 1968-04-16 Bourns Inc Piezoelectric multilayer device
US3781955A (en) * 1970-12-21 1974-01-01 V Lavrinenko Method of making a piezoelectric element
US4079437A (en) * 1976-04-30 1978-03-14 Minnesota Mining And Manufacturing Machine and method for poling films of pyroelectric and piezoelectric material

Also Published As

Publication number Publication date
US4375042A (en) 1983-02-22
GB2090700A (en) 1982-07-14
JPS57120388A (en) 1982-07-27
DE3146146A1 (de) 1982-06-24
FR2494913A1 (fr) 1982-05-28
GB2090700B (en) 1985-09-25
HK1686A (en) 1986-01-17

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Legal Events

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