Surface acoustic wave device and method of manufacturing the...

Details Surface acoustic wave device and method of manufacturing the... Surface acoustic wave device and method of manufacturing the...

2005-12-16

2008-12-02

San Martin, J. A (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S31300R, C333S189000, C333S193000, C333S195000

Reexamination Certificate

active

07459829

ABSTRACT:
A surface acoustic wave device includes a surface acoustic wave (SAW) chip and a cover that are bonded in a body by bonding a metal bonding portion of the SAW chip and a metal bonding portion of the cover and bonding extraction electrodes of the SAW chip and connection electrodes of the cover so as to hermetically seal IDT electrodes disposed on a main surface of a piezoelectric substrate of the SAW chip within a space defined between the SAW chip and the cover. The IDT electrodes and external electrodes on an upper surface of an insulating substrate of the cover are electrically connected to each other through conductive materials formed in through-holes.

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Communication from European Patent Office regarding corresponding application.

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