Bulk-acoustic wave filter device

A bulk-acoustic wave filter device includes: a lower electrode layer disposed on the substrate; a bonding part disposed on the lower electrode layer, at an edge of the substrate; a ground part spaced apart from the bonding part; and a flow suppressing part disposed between the bonding part and the g...

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Bibliographic Details
Main Authors Kim, Tae Yoon, Kang, Yong Jin, Lee, Moon Chul, Lee, Tae Kyung, Gil, Jae Hyoung, Lim, Chang Hyun
Format Patent
LanguageEnglish
Published 04.09.2018
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 lower electrode layer disposed on the substrate; a bonding part disposed on the lower electrode layer, at an edge of the substrate; a ground part spaced apart from the bonding part; and a flow suppressing part disposed between the bonding part and the ground part, and offset with respect to the bonding part and the ground part.
Bibliography:Application Number: US201715462110