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采用LiTaO_3单晶基片的SAW器件,自1977年首次实现电视用SAWIF滤波器的商品化以来,对以SAWIF滤波器和VTR用SAW振子为中心的SAW器件的需求量迅速增加.图1为全世界民用SAW器件的生产发展和对今后需求量的预测.
The demand for SAW devices centered on SAWIF filters and VTRs using SAW devices with SAWIF filters and VTRs has rapidly increased since the SAWIF filter commercialized for the first time in 1977 using SAW devices using LiTaO_3 single crystal substrates Production Development of World Civil SAW Devices and Prediction of Future Demand.