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| | The application of piezoelectric material used for SAW was reviewed,and the development process and properties of the piezoelectric crystal,ceramics and thin film which used in SAW devices were discussed respectively.In the end,the prospect of SAW substrate in China was forecasted. | | 本文综述了压电材料在声表面波器件中的应用 ,分别介绍了压电单晶、压电陶瓷、压电薄膜等基片在SAW器件中的发展进程及其各自的特点 ,并对我国声表面波用基片材料的发展进行了展望。 | | 文摘来源 | | >=New piezoelectric ceramics and devices were widely applied due to the development of modem science and technology. In this paper, the structures and properties of perovskite, tungsten bronze, bismuth layer structured, piezoelectric monocrystal types piezoelectric ceramics were reviewed. The research development of four different structure types high Curie temperature piezoelectric ceramics was also reviewed. The research direction of high Curie piezoelectric ceramic was pointed out. | | 随着科学技术的迅猛发展,高温压电陶瓷材料被广泛应用,高居里温度压电陶瓷材料元器件的需求越来越大。本文综述了钙钛矿、钨青铜、含Bi层状、压电单晶等相关的高温压电材料,并对以上几种高居里温度压电材料的研究进展进行了概括,指出了今后的研究方向。 | | 文摘来源 | |   |
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