Resonator device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11689183
APP PUB NO 20220337221A1
SERIAL NO

17721431

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Importance

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Abstract

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A resonator device includes: a base having a first surface and a second surface that are in front-back relation; a resonator element that is located at a first surface with respect to the base and that includes a resonation substrate and an electrode disposed at a surface of the resonation substrate on a base side; a conductive layer that is disposed at the first surface and that includes a joint portion joined to the electrode; and a stress relaxation layer that is interposed between the base and the conductive layer and that at least partially overlaps with the joint portion in a plan view of the base. The stress relaxation layer includes an exposed portion exposed from the conductive layer.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATIONTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamakura, Tomoyuki Matsumoto, JP 44 514

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