JPS6452672A - Baking of piezoelectric ceramic - Google Patents
Baking of piezoelectric ceramicInfo
- Publication number
- JPS6452672A JPS6452672A JP62209344A JP20934487A JPS6452672A JP S6452672 A JPS6452672 A JP S6452672A JP 62209344 A JP62209344 A JP 62209344A JP 20934487 A JP20934487 A JP 20934487A JP S6452672 A JPS6452672 A JP S6452672A
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- lead
- piezoelectric ceramic
- releasing substance
- atmosphere
- 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
Abstract
PURPOSE:To enable easy mass-production of a dense piezoelectric ceramic having excellent piezoelectric characteristics, at a low cost, by calcining a lead titanate zirconate piezoelectric ceramic in a lead atmosphere in the presence of an oxygen-releasing substance. CONSTITUTION:A lead titanate zirconate piezoelectric ceramic is calcined in a lead atmosphere in the presence of an oxygen-releasing substance. The oxygen- releasing substance is e.g. Pb3O4, Sb2O5, BaO2, Co2O3, Co3O4, MnO2, RbO2 or U3O8. When the amount of the oxygen-releasing substance is too small, the amount of released oxygen is decreased to deter the densification in sintering. When it is excessive, the lead in the atmosphere is absorbed in or reacted with the substance left after the release of the oxygen and the calcining cannot be carried out under prescribed lead vapor pressure. The amount of the oxygen- releasing substance is preferably 0.5-10g, especially 1-3g per 100cc of the inner volume of the setter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209344A JPS6452672A (en) | 1987-08-25 | 1987-08-25 | Baking of piezoelectric ceramic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209344A JPS6452672A (en) | 1987-08-25 | 1987-08-25 | Baking of piezoelectric ceramic |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6452672A true JPS6452672A (en) | 1989-02-28 |
JPH0331666B2 JPH0331666B2 (en) | 1991-05-08 |
Family
ID=16571397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62209344A Granted JPS6452672A (en) | 1987-08-25 | 1987-08-25 | Baking of piezoelectric ceramic |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6452672A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5280446A (en) * | 1990-09-20 | 1994-01-18 | Bright Microelectronics, Inc. | Flash eprom memory circuit having source side programming |
JP2012019245A (en) * | 2003-09-30 | 2012-01-26 | Epcos Ag | Method for manufacturing ceramic multi-layer component |
-
1987
- 1987-08-25 JP JP62209344A patent/JPS6452672A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5280446A (en) * | 1990-09-20 | 1994-01-18 | Bright Microelectronics, Inc. | Flash eprom memory circuit having source side programming |
JP2012019245A (en) * | 2003-09-30 | 2012-01-26 | Epcos Ag | Method for manufacturing ceramic multi-layer component |
US8776364B2 (en) | 2003-09-30 | 2014-07-15 | Epcos Ag | Method for producing a multilayer ceramic component |
US9186870B2 (en) | 2003-09-30 | 2015-11-17 | Epcos Ag | Ceramic multi-layer component and method for the production thereof |
Also Published As
Publication number | Publication date |
---|---|
JPH0331666B2 (en) | 1991-05-08 |
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