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Title: Piezoelectric ceramics - piezoelectric polymer compound material and making method
Other Titles: 压电陶瓷 - 压电性聚合物复合材料及其制造方法
Authors: Chan, HLW
Zhou, Q
Choy, CL
Zhang, Q
Issue Date: 27-Jun-2001
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 98119504.0 How to cite?
Abstract: The present invention relates to a 0-3 type piezoelectric composite material with intensified piezoelectric property for ultrasonic transducer, underwater sound transducer and medical ultrasonic detector and its production method. It is characterized by adopting multi-stage polarization method at the different temperatures to polarize 0-3 type piezoelectric composite material, i. e. firstly, polarizing piezoelectric ceramics being in 0-3 type piezoelectric composite material under the condition of higher than curie temperature of polymer, and then reverse polarizing piezoelectric polymer being in 0-3 type piezoelectric composite material under the condition of lower than curie temperature of polymer so as to implement intensification of piezoelectric property after two phases are combined.
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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