IT1090202B - Procedimento di polarizzazione di pellicole di resine con caratteristiche piezoelettriche in particolare per la produzione di elettreti e dispositivi piezoelettrici a pellicola - Google Patents

Procedimento di polarizzazione di pellicole di resine con caratteristiche piezoelettriche in particolare per la produzione di elettreti e dispositivi piezoelettrici a pellicola

Info

Publication number
IT1090202B
IT1090202B IT51017/77A IT5101777A IT1090202B IT 1090202 B IT1090202 B IT 1090202B IT 51017/77 A IT51017/77 A IT 51017/77A IT 5101777 A IT5101777 A IT 5101777A IT 1090202 B IT1090202 B IT 1090202B
Authority
IT
Italy
Prior art keywords
piezoelectric
production
electric
resin films
film devices
Prior art date
Application number
IT51017/77A
Other languages
English (en)
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Application granted granted Critical
Publication of IT1090202B publication Critical patent/IT1090202B/it

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
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/098—Forming organic materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • 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
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Laminated Bodies (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
IT51017/77A 1976-09-24 1977-09-14 Procedimento di polarizzazione di pellicole di resine con caratteristiche piezoelettriche in particolare per la produzione di elettreti e dispositivi piezoelettrici a pellicola IT1090202B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72638076A 1976-09-24 1976-09-24

Publications (1)

Publication Number Publication Date
IT1090202B true IT1090202B (it) 1985-06-26

Family

ID=24918375

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51017/77A IT1090202B (it) 1976-09-24 1977-09-14 Procedimento di polarizzazione di pellicole di resine con caratteristiche piezoelettriche in particolare per la produzione di elettreti e dispositivi piezoelettrici a pellicola

Country Status (13)

Country Link
US (1) US4675959A (it)
JP (1) JPS5352998A (it)
AU (1) AU504214B2 (it)
BE (1) BE858882A (it)
CA (1) CA1106982A (it)
DE (1) DE2742977A1 (it)
DK (1) DK422377A (it)
FR (1) FR2365886A1 (it)
GB (1) GB1589427A (it)
IT (1) IT1090202B (it)
MX (1) MX145379A (it)
NL (1) NL7709778A (it)
SE (1) SE426193B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2927269C2 (de) * 1979-07-05 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Piezoelektrisches Antriebselement für Schreibdüsen in Tintenmosaikschreibeinrichtungen
GB2060994B (en) * 1979-10-12 1984-01-25 Marconi Co Ltd Piezoelectric/pyroelectric elements
GB2079055B (en) * 1980-06-30 1985-02-20 Tokyo Shibaura Electric Co Electret device
US4365283A (en) * 1980-10-16 1982-12-21 Pennwalt Corporation Corona discharge poling process
NL8105502A (nl) * 1981-12-08 1983-07-01 Philips Nv Werkwijze voor het vervaardigen van een piezo-elektrische inrichting alsmede een inrichting vervaardigd volgens deze werkwijze.
US4434114A (en) * 1982-02-04 1984-02-28 Pennwalt Corporation Production of wrinkle-free piezoelectric films by poling
FR2554516A1 (fr) * 1983-11-08 1985-05-10 Inf Milit Spatiale Aeronaut Microcompresseur piezo-electrique
FR2577315A1 (fr) * 1984-11-16 1986-08-14 Thomson Csf Capteur lineaire de pression.
WO1990003044A1 (en) * 1988-09-12 1990-03-22 Microflex Technology, Inc. Protected piezoelectric polymer bimorph
US5336959A (en) * 1988-12-16 1994-08-09 The Whitaker Corporation Impact zone detection device
DE69110694T2 (de) * 1990-02-07 1996-02-22 Philips Electronics Nv Verfahren zum Herstellen eines piezoelektrischen Mehrschichtelementes sowie piezoelektrisches Mehrschichtelement.
US5495137A (en) * 1993-09-14 1996-02-27 The Whitaker Corporation Proximity sensor utilizing polymer piezoelectric film with protective metal layer
US5608692A (en) * 1994-02-08 1997-03-04 The Whitaker Corporation Multi-layer polymer electroacoustic transducer assembly
US9923136B2 (en) 2014-05-07 2018-03-20 The Penn State Research Foundation High temperature sensors and transducers
EP3041059B1 (en) * 2014-12-31 2019-09-11 LG Display Co., Ltd. Multilayer actuator and display device comprising the same
WO2017079239A1 (en) 2015-11-02 2017-05-11 DENTSPLY SIRONA, Inc. Hydrophilic impression material with improved storage stability

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316620A (en) * 1964-02-28 1967-05-02 Philip Morris Inc Process for the production of electrets
GB1135737A (it) * 1965-10-23 1900-01-01
NL143362B (nl) * 1968-07-10 1974-09-16 Tno Werkwijze voor het formeren van een eenzijdig gemetalliseerde elektreetfoelie, alsmede zulk een elektreetfoelie geformeerd volgens deze werkwijze.
US3835301A (en) * 1973-02-21 1974-09-10 Helert P Card coding and read-out system
JPS5718641B2 (it) * 1973-07-17 1982-04-17
CA1043289A (en) * 1974-06-17 1978-11-28 Allen L. Taylor Poling machine

Also Published As

Publication number Publication date
JPS5352998A (en) 1978-05-13
FR2365886A1 (fr) 1978-04-21
FR2365886B1 (it) 1984-01-27
GB1589427A (en) 1981-05-13
BE858882A (fr) 1978-01-16
DE2742977A1 (de) 1978-03-30
NL7709778A (nl) 1978-03-29
CA1106982A (en) 1981-08-11
SE426193B (sv) 1982-12-13
AU2801677A (en) 1979-02-22
US4675959A (en) 1987-06-30
AU504214B2 (en) 1979-10-04
DK422377A (da) 1978-03-25
MX145379A (es) 1982-01-29
SE7710536L (sv) 1978-03-25

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