SURFACE ACOUSTIC WAVE DEVICE, METHOD OF MANUFACTURING THE SAME, FILTER, AND MULTIPLEXER

To suppress entry of moisture, etc. into a surface acoustic wave resonator.SOLUTION: The acoustic wave device includes: a first substrate 10 having a first surface and side surfaces 10e; a surface acoustic wave resonator provided on the first surface of the first substrate 10; and a first insulator...

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Bibliographic Details
Main Author SAKASHITA TAKESHI
Format Patent
LanguageEnglish
Japanese
Published 13.06.2019
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Summary:To suppress entry of moisture, etc. into a surface acoustic wave resonator.SOLUTION: The acoustic wave device includes: a first substrate 10 having a first surface and side surfaces 10e; a surface acoustic wave resonator provided on the first surface of the first substrate 10; and a first insulator film 16 covering the surface acoustic wave resonator and in contact with at least a side surface 10c on the first surface side among the side surfaces 10e of the first substrate 10.SELECTED DRAWING: Figure 1 【課題】弾性波共振器への水分等の侵入を抑制すること。【解決手段】本発明は、第１面および側面１０ｅを有する第１基板１０と、前記第１基板１０の第１面に設けられた弾性波共振器と、前記弾性波共振器を覆い、前記第１基板１０の側面１０ｅのうち少なくとも前記第１面側の側面１０ｃと接する第１絶縁体膜１６と、を備える弾性波デバイスである。【選択図】図１
Bibliography:Application Number: JP20170218263