| 发明名称 |
Method and apparatus for measuring surface changes, in porous materials, using multiple differently-configured acoustic sensors |
| 摘要 |
A method and apparatus for measuring surface changes, such as mass uptake at various pressures, in a thin-film material, in particular porous membranes, using multiple differently-configured acoustic sensors.
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| 申请公布号 |
US6257048(B1) |
申请公布日期 |
2001.07.10 |
| 申请号 |
US19990335762 |
申请日期 |
1999.06.18 |
| 申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE UNITED STATES DEPARTMENT OF ENERGY |
发明人 |
HIETALA SUSAN LESLIE;HIETALA VINCENT MARK;TIGGES CHRIS PHILLIP |
| 分类号 |
G01N3/00;G01N3/02;G01N3/38;G01N29/02;G01N29/32;(IPC1-7):G01N29/20 |
主分类号 |
G01N3/00 |
| 代理机构 |
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