Invention Grant
US07825747B2 Thin-film BAW filter, and a method for production of a thin-film BAW filter 失效
薄膜BAW滤波器,以及制造薄膜BAW滤波器的方法

Thin-film BAW filter, and a method for production of a thin-film BAW filter
Abstract:
A thin-film BAW filter has at least one CRF section and at least one ladder or grating filter section, with the CRF section having at least two coupled resonators, with the CRF section and the ladder or grating filter section being integrated on a common substrate, in order to produce a thin-film BAW filter. In a method for production of a thin-film BAW filter, having at least one CRF section and at least one ladder or grating filter section, the CRF section has at least two coupled resonators and the CRF section and the ladder or grating filter section are integrated on a common substrate.
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