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近几年来,声表面波(简称SAW)器件在电子仪器中的应用越来越广。该元件的特点是能够实现过去的无源器件所得不到的电性能。此外,还有体积小、重量轻、可靠性高、制造工艺与集成电路的工艺相似、很适于批量生产等特点。彩色电视接收机用的声表面波器件最充分地利用了这些特点。东芝公司走在世界的前列,成功地使这种滤波器实用化,并就其它各种声表面波器件继续进行开发研究。本文报告了有关东芝已开发的SAW器件的概况。
In recent years, the application of surface acoustic wave (referred to as SAW) devices in electronic equipment is more and more widely. This component is characterized by the passive components can not achieve the past can not get the electrical properties. In addition, there are small size, light weight, high reliability, manufacturing process and integrated circuit similar process, it is suitable for mass production and so on. SAW devices for color television receivers make the most of these features. Toshiba is at the forefront of the world and succeeded in making this filter practical and continuing its research and development on various other surface acoustic wave devices. This article reports an overview of the SAW devices that Toshiba has developed.