BR8000520A - Transdutor piezoeletrico e processo de fabricacao de pelicula piezoeletrica - Google Patents
Transdutor piezoeletrico e processo de fabricacao de pelicula piezoeletricaInfo
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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)
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)
| 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 |
| US20070242842A1 (en) * | 2004-03-04 | 2007-10-18 | Mirae Plasma Co., Ltd. | Method of Manufacturing Film-Speaker Using Piezoelectric Film and Sound Equipment with the Same |
Family Cites Families (4)
| 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 |
-
1980
- 1980-01-04 IL IL59078A patent/IL59078A0/xx unknown
- 1980-01-08 EP EP80300070A patent/EP0014043A1/en not_active Withdrawn
- 1980-01-22 PL PL22150580A patent/PL221505A1/xx unknown
- 1980-01-28 BR BR8000520A patent/BR8000520A/pt unknown
- 1980-01-29 DK DK36880A patent/DK36880A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL221505A1 (pt) | 1980-09-22 |
| IL59078A0 (en) | 1980-05-30 |
| DK36880A (da) | 1980-07-31 |
| EP0014043A1 (en) | 1980-08-06 |
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