Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2011-08-23
2011-08-23
SanMartin, J. (Department: 2837)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S31300R
Reexamination Certificate
active
08004160
ABSTRACT:
An acoustic wave device includes a substrate, an acoustic wave element, an electrode pad, a resin portion and a metal post. The acoustic wave element is provided on the substrate. The electrode pad is provided on the substrate, is electrically coupled to the acoustic wave element, and has an Au layer and an adhesive layer formed on the Au layer and having an opening. The resin portion is provided on the substrate so as to cover the acoustic wave element and the electrode pad, and has a through-hole formed to expose a surface of the electrode pad. The metal post is provided in the through-hole and contacts with the Au layer through the opening of the adhesive layer. The adhesive layer is provided between the Au layer and the resin portion.
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Aikawa Shunichi
Kimura Jyouji
Tsuda Keiji
Arent & Fox LLP
SanMartin J.
Taiyo Yuden Co., Ltd
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