BULK-ACOUSTIC WAVE FILTER DEVICE

A bulk-acoustic wave filter device includes: a first substrate; a first filter disposed on the first substrate, within a cavity of the bulk-acoustic wave filter device; a second substrate coupled to the first substrate; a second filter disposed on the second substrate, within the cavity and facing t...

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Bibliographic Details
Main Author CHEON Seong Jong
Format Patent
LanguageEnglish
Published 15.02.2018
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Summary:A bulk-acoustic wave filter device includes: a first substrate; a first filter disposed on the first substrate, within a cavity of the bulk-acoustic wave filter device; a second substrate coupled to the first substrate; a second filter disposed on the second substrate, within the cavity and facing the first filter; a first inductor layer disposed on the first substrate and around the first filter; a second inductor layer disposed on the second substrate and around the second filter, and bonded to the first inductor layer; and a sealing member sealing the cavity, together with the first and second inductor layers.
Bibliography:Application Number: US201715481013