Elastic wave device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11764752
APP PUB NO 20190222194A1
SERIAL NO

16218526

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An elastic wave device includes an elastic wave element chip, a bump electrically connected to the elastic wave element chip, a package substrate including an electrode bonded to the bump, the elastic wave element chip mounted on the package substrate with the bump, and a sealing resin portion covering the elastic wave element chip on the package substrate. A space surrounded by the elastic wave element chip, the package substrate, and the sealing resin portion is provided. The elastic wave element chip includes a substrate having piezoelectricity, an interdigital transducer electrode, and a pad electrode. A first main surface of the substrate having piezoelectricity includes a first region and a second region closer to a second main surface than the first region. The interdigital transducer electrode is disposed in the first region. The pad electrode is disposed in the second region and bonded to the bump.

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Patent Owner(s)

  • MURATA MANUFACTURING CO LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakagawa, Masatoshi Nagaokakyo, JP 21 112

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