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Capacitor for surface acoustic wave (SAW) filter, surface acoustic wave (SAW) filter and manufacturing method thereof
Capacitor for surface acoustic wave (SAW) filter, surface acoustic wave (SAW) filter and manufacturing method thereof
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机译:声表面波滤波器用电容器,声表面波滤波器及其制造方法
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摘要
The present invention relates to a capacitor for a SAW filter, the SAW filter, and a method of manufacturing thereof, and more specifically, to a capacitor for a SAW filter including a first metal layer formed on a substrate; an insulation layer formed on the first metal layer; and a second metal layer formed on the insulation layer and overlapped with partially or totally of the first metal layer, in which the insulation layer is formed to be extended to the top of an IDT formed on the substrate, the SAW filter on which such a capacitor for a SAW filter is mounted, and a method of manufacturing thereof.
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