发明名称 |
ACOUSTIC TRANSDUCER WITH A LIQUID-FILLED POROUS MEDIUM BACKING AND METHODS OF MAKING AND USING SAME |
摘要 |
In one aspect, the disclosure provides an apparatus that includes an acoustic transducer, and a backing coupled to the transducer, wherein the backing includes solid grains with fluid between the grains. |
申请公布号 |
WO2011112563(A2) |
申请公布日期 |
2011.09.15 |
申请号 |
WO2011US27518 |
申请日期 |
2011.03.08 |
申请人 |
BAKER HUGHES INCORPORATED;DIFOGGIO, ROCCO;STEINSIEK, ROGER |
发明人 |
DIFOGGIO, ROCCO;STEINSIEK, ROGER |
分类号 |
G01V1/52;G01L21/02;G01V1/16;G01V1/44 |
主分类号 |
G01V1/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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