BR8000520A - Transdutor piezoeletrico e processo de fabricacao de pelicula piezoeletrica - Google Patents

Transdutor piezoeletrico e processo de fabricacao de pelicula piezoeletrica

Info

Publication number
BR8000520A
BR8000520A BR8000520A BR8000520A BR8000520A BR 8000520 A BR8000520 A BR 8000520A BR 8000520 A BR8000520 A BR 8000520A BR 8000520 A BR8000520 A BR 8000520A BR 8000520 A BR8000520 A BR 8000520A
Authority
BR
Brazil
Prior art keywords
piezoeletric
manufacturing process
transducer
film manufacturing
film
Prior art date
Application number
BR8000520A
Other languages
English (en)
Inventor
N Tester
Original Assignee
Int Standard Electric 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
Priority claimed from GB7903224A external-priority patent/GB2040642A/en
Priority claimed from GB7911672A external-priority patent/GB2045522B/en
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BR8000520A publication Critical patent/BR8000520A/pt

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
    • H10N30/04—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
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/098—Forming organic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Laminated Bodies (AREA)
BR8000520A 1979-01-30 1980-01-28 Transdutor piezoeletrico e processo de fabricacao de pelicula piezoeletrica BR8000520A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7903224A GB2040642A (en) 1979-01-30 1979-01-30 Transducer
GB7911672A GB2045522B (en) 1979-04-03 1979-04-03 Piezo-electric film manufacture

Publications (1)

Publication Number Publication Date
BR8000520A true BR8000520A (pt) 1980-10-14

Family

ID=26270391

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000520A BR8000520A (pt) 1979-01-30 1980-01-28 Transdutor piezoeletrico e processo de fabricacao de pelicula piezoeletrica

Country Status (5)

Country Link
EP (1) EP0014043A1 (pt)
BR (1) BR8000520A (pt)
DK (1) DK36880A (pt)
IL (1) IL59078A0 (pt)
PL (1) PL221505A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519503B1 (fr) * 1981-12-31 1991-09-06 Thomson Csf Transducteurs piezoelectriques polymeres et procede de fabrication
US4434114A (en) * 1982-02-04 1984-02-28 Pennwalt Corporation Production of wrinkle-free piezoelectric films by poling
US4612145A (en) * 1984-03-26 1986-09-16 At&T Bell Laboratories Method for producing electret-containing devices
EP0174838A3 (en) * 1984-09-11 1989-08-02 Focas Limited Stabilized piezoelectric vinylidene fluoride polymers
DE4136269C2 (de) * 1991-11-04 1995-12-14 Odermath Stahlwerkstechnik Vorrichtung zum liegenden Transport und zur liegenden Lagerung einer Drahtspule
DE19746617A1 (de) * 1997-10-22 1999-05-06 Gunnar Matschulat Vorrichtung zur Darstellung taktiler Informationen
US6593681B2 (en) * 2000-12-15 2003-07-15 Matsushita Electric Industrial Co., Ltd. Polarization apparatus and polarization method of coaxial flexible piezoelectric cable
EP1721487A1 (en) * 2004-03-04 2006-11-15 Mirae Plasma Co., Ltd. Method of manufacturing film-speaker using piezoelectric film and sound equipment with the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135737A (pt) * 1965-10-23 1900-01-01
FR1497727A (fr) * 1966-10-17 1967-10-13 Philip Morris Inc Procédé de fabrication de matériau porteur de charges et produit fabriqué par ce procédé
CA1043289A (en) * 1974-06-17 1978-11-28 Allen L. Taylor Poling machine
JPS5130997A (en) * 1974-09-11 1976-03-16 Kureha Chemical Ind Co Ltd Kobunshifuirumu no renzokuseikyokuhoho

Also Published As

Publication number Publication date
EP0014043A1 (en) 1980-08-06
IL59078A0 (en) 1980-05-30
PL221505A1 (pt) 1980-09-22
DK36880A (da) 1980-07-31

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