| 发明名称 |
CONTROLLED-POROSITY PIEZOELECTRIC CERAMIC |
| 摘要 |
The invention is a process to manufacture a controlled-porosity ceramic material by synthesizing an aerogel produced by hypercritical drying of a high-porosity gel. Applications in the submarine acoustic field (active and passive sonars).
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| 申请公布号 |
US5143636(A) |
申请公布日期 |
1992.09.01 |
| 申请号 |
US19910728617 |
申请日期 |
1991.07.11 |
| 申请人 |
THOMSON-CSF |
发明人 |
GAUCHER, PHILIPPE;GANNE, JEAN-PIERRE;DUBOIS, JEAN-CLAUDE |
| 分类号 |
C04B35/468;C04B35/491;C04B38/00;H01L41/24;H01L41/39 |
主分类号 |
C04B35/468 |
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