SURFACE ACOUSTIC WAVE DEVICE AND PRODUCTION METHOD THEREFOR

SURFACE ACOUSTIC WAVE DEVICE AND PRODUCTION METHOD THEREFOR

A surface acoustic wave device includes a surface acoustic wave element including a plurality of electrode pads, and a mount substrate. The surface acoustic wave element is flip-chip mounted on a die-attach surface of the mount substrate by bumps made of Au. The mount substrate includes at least one...

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Hauptverfasser: SAKANO KIWAMU, YAMADA SHU
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
RESONATORS
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creator SAKANO KIWAMU
YAMADA SHU
description A surface acoustic wave device includes a surface acoustic wave element including a plurality of electrode pads, and a mount substrate. The surface acoustic wave element is flip-chip mounted on a die-attach surface of the mount substrate by bumps made of Au. The mount substrate includes at least one resin layer including via-holes, a plurality of mount electrodes provided on the die-attach surface of the mount substrate, and via-hole conductors. The mount electrodes are bonded to the electrode pads via the bumps. The via-hole conductors are provided in the via-holes. At least one of each of the electrode pads and each of the mount electrodes includes a front layer made of Au. At least one of the via-hole conductors is located below the corresponding bump.
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subjects BASIC ELECTRONIC CIRCUITRY
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
RESONATORS
title SURFACE ACOUSTIC WAVE DEVICE AND PRODUCTION METHOD THEREFOR
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