发明名称 |
Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material |
摘要 |
An acoustic matching member 1 is used, when a sound is propagated from a first object to a second object, for matching an acoustic impedance of the first object and an acoustic impedance of the second object. The acoustic matching member 1 includes a plurality of fine pieces 2, and at least one of the plurality of fine pieces 2 is bonded with at least another of the plurality of fine pieces at a contact portion so as to form a gap in the acoustic matching member 1. <IMAGE> |
申请公布号 |
AU1308601(A) |
申请公布日期 |
2001.05.30 |
申请号 |
AU20010013086 |
申请日期 |
2000.11.10 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HIDEKI MOROZUMI;DAISUKE BESSYO;KENZO OHJI;TAKASHI NAGAI |
分类号 |
H04R1/28 |
主分类号 |
H04R1/28 |
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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