JPS561584A - Composite piezoelectric film - Google Patents
Composite piezoelectric filmInfo
- Publication number
- JPS561584A JPS561584A JP7626679A JP7626679A JPS561584A JP S561584 A JPS561584 A JP S561584A JP 7626679 A JP7626679 A JP 7626679A JP 7626679 A JP7626679 A JP 7626679A JP S561584 A JPS561584 A JP S561584A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- film
- piezoelectric film
- composite piezoelectric
- high molecular
- Prior art date
- 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
Links
- 239000002131 composite material Substances 0.000 title abstract 4
- 239000002245 particle Substances 0.000 abstract 8
- 239000000463 material Substances 0.000 abstract 3
- 239000000758 substrate Substances 0.000 abstract 3
- 239000000805 composite resin Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 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
- H10N30/852—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
- H10N30/01—Manufacture or treatment
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/092—Forming composite materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
PURPOSE:To increase the piezoelectric constant and coupling coefficient of a composite piezoelectric film by forming a composite piezoelectric film of inorganic ferrodielectric particles and high molecular material, forming the shape of particles in central-expanded cylindrical shaped, and forming the upper and the lower surfaces thereof for the front and the back surfaces of the film. CONSTITUTION:Resin solution becoming high molecular material matrix on a flat substrate is flowed and spreaded, inorganic ferrodielectric particles having spherical shape and uniform grain size are so dropped that the particles are not superimposed in thickness direction of the solution to form a composite resin solution. At this time the particles always reach the substrate due to their specifid gravity difference. Thereafter, the solution is dried to form a plurality of sheetlike member and to be isolated from the substrate. The front and the rear surfaces thereof are lapped to form the surfaces of the film with the upper and the lower surfaces of the particles 1a to bury the particles 1a in the high molecular material 1b. Then, an electrode 1c is arranged on the surface of the exposed particles 1a to form a composite piezoelectric film 1. In this manner preferable characteristics are provided with flexibility in the film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7626679A JPS561584A (en) | 1979-06-19 | 1979-06-19 | Composite piezoelectric film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7626679A JPS561584A (en) | 1979-06-19 | 1979-06-19 | Composite piezoelectric film |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61141277A Division JPS6211283A (en) | 1986-06-19 | 1986-06-19 | Complex piezoelectric film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS561584A true JPS561584A (en) | 1981-01-09 |
| JPS639392B2 JPS639392B2 (en) | 1988-02-29 |
Family
ID=13600417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7626679A Granted JPS561584A (en) | 1979-06-19 | 1979-06-19 | Composite piezoelectric film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS561584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013051252A (en) * | 2011-08-30 | 2013-03-14 | Nagoya Institute Of Technology | Piezoelectric material, electronic component and method for manufacturing piezoelectric material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3164645A (en) * | 1961-10-11 | 1965-01-05 | Prismo Safety Corp | Method of making reflex reflective sheeting |
| JPS49129200A (en) * | 1973-03-29 | 1974-12-11 | ||
| JPS5388199A (en) * | 1977-01-13 | 1978-08-03 | Toshiba Corp | Piezo-electric high polymer complex |
-
1979
- 1979-06-19 JP JP7626679A patent/JPS561584A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3164645A (en) * | 1961-10-11 | 1965-01-05 | Prismo Safety Corp | Method of making reflex reflective sheeting |
| JPS49129200A (en) * | 1973-03-29 | 1974-12-11 | ||
| JPS5388199A (en) * | 1977-01-13 | 1978-08-03 | Toshiba Corp | Piezo-electric high polymer complex |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013051252A (en) * | 2011-08-30 | 2013-03-14 | Nagoya Institute Of Technology | Piezoelectric material, electronic component and method for manufacturing piezoelectric material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS639392B2 (en) | 1988-02-29 |
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