JPS642382A - Method of sintering piezoelectric element - Google Patents
Method of sintering piezoelectric elementInfo
- Publication number
- JPS642382A JPS642382A JP15737587A JP15737587A JPS642382A JP S642382 A JPS642382 A JP S642382A JP 15737587 A JP15737587 A JP 15737587A JP 15737587 A JP15737587 A JP 15737587A JP S642382 A JPS642382 A JP S642382A
- Authority
- JP
- Japan
- Prior art keywords
- elements
- thickness
- molded
- dummy
- sintered
- 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 prevent the change of a composition and the lowering of sintered density by holding a dummy element having the same composition as a molded element and thickness of one fifth or smaller of the molded element between the molded element having a PZT group composition and thickness of 1mm or more and a zirconia bottom plate.
CONSTITUTION: Two molded elements 1 having a PZT composition and thickness of 1mm or larger are superposed, zirconia bottom plates 2 are mounted to upper and lower sections one by one, and dummy elements 3 made up of the same elements as the molded elements 1 and having thickness of one fifth or smaller of the elements 1 are disposed among the elements and the bottom plates. The temperatures of the elements 1 are elevated to 1260°C from the normal temperature, and held for one hr and sintered. PbO is evaporated from the dummy elements during that time, the evaporation of PbO from the surfaces of the sintered elements is inhibited, and the diffusion reaction of materials of a different kind is not generated because the sintered elements and the dummy elements are brought into contact mutually. Since the thickness of the dummy elements is brought to one fifth or smaller, the molded elements are not overloaded. According to the constitution, the generation of cracks is prevented on sintering, thus improving the state of the surface.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15737587A JPS642382A (en) | 1987-06-24 | 1987-06-24 | Method of sintering piezoelectric element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15737587A JPS642382A (en) | 1987-06-24 | 1987-06-24 | Method of sintering piezoelectric element |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH012382A JPH012382A (en) | 1989-01-06 |
JPS642382A true JPS642382A (en) | 1989-01-06 |
Family
ID=15648283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15737587A Pending JPS642382A (en) | 1987-06-24 | 1987-06-24 | Method of sintering piezoelectric element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS642382A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080235927A1 (en) * | 2007-03-28 | 2008-10-02 | Masanori Tsuruko | Method for producing piezoelectric actuator |
-
1987
- 1987-06-24 JP JP15737587A patent/JPS642382A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080235927A1 (en) * | 2007-03-28 | 2008-10-02 | Masanori Tsuruko | Method for producing piezoelectric actuator |
US9186898B2 (en) * | 2007-03-28 | 2015-11-17 | Brother Kogyo Kabushiki Kaisha | Method for producing piezoelectric actuator |
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