Bulk acoustic wave resonator and bulk acoustic wave filter
A bulk acoustic wave resonator and acoustic reflection technology, which is applied in the field of filters, can solve the problems of affecting device performance and increase the excitation of transverse standing waves of bulk acoustic wave resonators, so as to weaken excitation, suppress transverse pseudo-modes, and improve Q value. Effect
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[0032] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0033] It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, wi...
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