JPS6418960A - Flexible ceramic sheet and production thereof - Google Patents
Flexible ceramic sheet and production thereofInfo
- Publication number
- JPS6418960A JPS6418960A JP62174424A JP17442487A JPS6418960A JP S6418960 A JPS6418960 A JP S6418960A JP 62174424 A JP62174424 A JP 62174424A JP 17442487 A JP17442487 A JP 17442487A JP S6418960 A JPS6418960 A JP S6418960A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- green sheet
- fine powder
- ceramic sheet
- piezoelectric ceramic
- 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.)
- Pending
Links
Abstract
PURPOSE:To obtain the titled piezoelectric ceramic sheet having excellent flexibility, bend strength, etc., and suitable for piezoelectric buzzer, by forming a thin green sheet from a slurry containing fine powder of lead perovskite compound and baking the green sheet. CONSTITUTION:A simple perovskite compound or composite perovskite compound of lead (e.g. the compound of formula I or formula II) is subjected to calcination and primary crushing to obtain powdery ceramic material. The powder is subjected to secondary crushing to fine powder having particle diameter of <=1mum and a thin green sheet is formed by using a slurry containing said fine powder. A flexible piezoelectric ceramic sheet can be produced by baking the obtained thin green sheet. The piezoelectric ceramic sheet produced by the above process has a thickness of <=100mum, a ratio of sheet-forming grain size to the sheet thickness of <=1/8 and an absolute value of grain size of <=5mum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62174424A JPS6418960A (en) | 1987-07-13 | 1987-07-13 | Flexible ceramic sheet and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62174424A JPS6418960A (en) | 1987-07-13 | 1987-07-13 | Flexible ceramic sheet and production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6418960A true JPS6418960A (en) | 1989-01-23 |
Family
ID=15978303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62174424A Pending JPS6418960A (en) | 1987-07-13 | 1987-07-13 | Flexible ceramic sheet and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6418960A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04149059A (en) * | 1990-10-09 | 1992-05-22 | Shizuoka Univ | Ceramic piezoelectric body |
JP2003034193A (en) * | 2001-07-24 | 2003-02-04 | Kasai Kogyo Co Ltd | Pillar garnish structure for automobile |
JP2007329414A (en) * | 2006-06-09 | 2007-12-20 | Nec Tokin Corp | Piezoelectric actuator |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4989200A (en) * | 1972-12-28 | 1974-08-26 | ||
JPS5363407A (en) * | 1976-11-17 | 1978-06-06 | Matsushita Electric Ind Co Ltd | Method of making high density raw sheets |
JPS5438600A (en) * | 1977-09-01 | 1979-03-23 | Matsushita Electric Ind Co Ltd | Preparing bimorph element |
JPS5939760A (en) * | 1982-08-26 | 1984-03-05 | 住友金属鉱山株式会社 | Manufacture of lead gerumanate ceramic thin sheet |
JPS63130306A (en) * | 1986-11-21 | 1988-06-02 | 三菱化学株式会社 | Manufacture of ceramic green sheet |
-
1987
- 1987-07-13 JP JP62174424A patent/JPS6418960A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4989200A (en) * | 1972-12-28 | 1974-08-26 | ||
JPS5363407A (en) * | 1976-11-17 | 1978-06-06 | Matsushita Electric Ind Co Ltd | Method of making high density raw sheets |
JPS5438600A (en) * | 1977-09-01 | 1979-03-23 | Matsushita Electric Ind Co Ltd | Preparing bimorph element |
JPS5939760A (en) * | 1982-08-26 | 1984-03-05 | 住友金属鉱山株式会社 | Manufacture of lead gerumanate ceramic thin sheet |
JPS63130306A (en) * | 1986-11-21 | 1988-06-02 | 三菱化学株式会社 | Manufacture of ceramic green sheet |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04149059A (en) * | 1990-10-09 | 1992-05-22 | Shizuoka Univ | Ceramic piezoelectric body |
JP2003034193A (en) * | 2001-07-24 | 2003-02-04 | Kasai Kogyo Co Ltd | Pillar garnish structure for automobile |
JP2007329414A (en) * | 2006-06-09 | 2007-12-20 | Nec Tokin Corp | Piezoelectric actuator |
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