PROPERTIES OF HYDROPHONE WITH POROUS PIEZOELECTRIC CERAMICS

被引：45

作者：

ARAI, T ^{[1
]}

AYUSAWA, K ^{[1
]}

SATO, H ^{[1
]}

MIYATA, T ^{[1
]}

KAWAMURA, K ^{[1
]}

KOBAYASHI, K ^{[1
]}

机构：

[1] OKI ELECT IND CO LTD,ELECT SYST LAB,MINATOKU,TOKYO,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1991年 / 30卷 / 9B期

关键词：

HYDROPHONE; POROUS PIEZOELECTRIC CERAMICS; HYDROPHONE SENSITIVITY; SENSITIVITY IN HYDRAULIC PRESSURE; ACCELERATION SENSITIVITY; PZT;

D O I：

10.1143/JJAP.30.2253

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We constructed a hydrophone using porous piezoelectric ceramics and conducted a detailed investigation into hydrophone sensitivity under higher pressure and its acceleration sensitivity as vibrational noise. At a pressure of 7.85 MPa, the hydrophone sensitivity of the porous piezoelectric ceramic hydrophone was some 20 dB higher than that of the piesoelectric ceramic hydrophones. The difference in acceleration sensitivity between the porous piezoelectric ceramics and the piezoelectric ceramics was extremely minor. The hydrophone sensitivity is sufficiently high to allow us to consider vibrational noise as negligible.

引用

页码：2253 / 2255

页数：3

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