| 发明名称 |
METHOD OF MANUFACTURING PORCELAIN PIEZOELECTRIC MATERIAL |
| 摘要 |
PURPOSE:To obtain a piezoelectric body for a resonator of a large mechanical strength by forming a porcelain of Pb(Mg1/3Nb2/3)O3 - PbTiO3 - PbZrO3 Cr2O3 through hot press at 1,050 to 1,250 deg.C and with 150 to 500kg/cm<2>. |
| 申请公布号 |
JPS52140900(A) |
申请公布日期 |
1977.11.24 |
| 申请号 |
JP19760058377 |
申请日期 |
1976.05.19 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
UEDA ICHIROU;NISHIDA MASAMITSU;OOUCHI HIROSHI;HAYAKAWA SHIGERU |
| 分类号 |
C04B35/49;C04B35/00;H01L41/18;H01L41/187 |
主分类号 |
C04B35/49 |
| 代理机构 |
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代理人 |
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| 地址 |
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