Composite substrate and surface acoustic wave element

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12212301
APP PUB NO 20230006634A1
SERIAL NO

17930743

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Abstract

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A composite substrate includes: a piezoelectric layer; and a reflective layer arranged on a rear surface side of the piezoelectric layer, wherein the reflective layer includes a high-impedance layer and a low-impedance layer containing silicon oxide, and wherein a ratio of a region of first structures in the high-impedance layer is more than 70%.

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Patent Owner(s)

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NGK INSULATORS LTDNAGOYA-CITY AICHI 467-8530

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asai, Keiichiro Nagoya, JP 61 378
Ina, Hiroyoshi Nisshin, JP 1 0
Tai, Tomoyoshi Inazawa, JP 57 806
Uno, Yudai Nagoya, JP 19 111
Yamamoto, Takeshi Nagoya, JP 702 5468

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