ACOUSTIC WAVE DEVICE
An acoustic wave device includes: a first substrate that has a first surface and a second surface, the second surface being an opposite surface of the first substrate from the first surface; an acoustic wave element that is located on the first surface; a wiring portion that electrically connects th...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An acoustic wave device includes: a first substrate that has a first surface and a second surface, the second surface being an opposite surface of the first substrate from the first surface; an acoustic wave element that is located on the first surface; a wiring portion that electrically connects the acoustic wave element and a metal portion through a through hole, the metal portion being located on the second surface, the through hole penetrating through the first substrate; and a sealing portion that is located on the first surface so as to surround the acoustic wave element, overlaps with at least a part of the through hole in plan view, and seals the acoustic wave element in an air gap. |
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