| 发明名称 |
PROCESS FOR PREPARATION OF PIEZOOELECTRIC PORCELAIN |
| 摘要 |
PURPOSE:To obtain a piezo-leectric porcelain having poisson ratio delta of more than 1/3 and combined electrical and mechanical coefficient Kt of more than 0.50 and being capable of working to a sheet by sintering a special composition material with pressure heating under limited condition. |
| 申请公布号 |
JPS53149698(A) |
申请公布日期 |
1978.12.27 |
| 申请号 |
JP19770064416 |
申请日期 |
1977.05.31 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
OOUCHI HIROSHI;UEDA ICHIROU;NISHIDA MASAMITSU;KAWASHIMA SHIYUNICHIROU;HAYAKAWA SHIGERU |
| 分类号 |
C04B35/49;C04B35/00;C04B35/493;H01L41/18;H01L41/187;H01L41/39 |
主分类号 |
C04B35/49 |
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