Multilayer ceramic substrate and electronic device

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United States of America Patent

PATENT NO 10457608
APP PUB NO 20190071365A1
SERIAL NO

16182784

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A multilayer ceramic substrate that includes a surface layer portion positioned on an internal layer portion, and a surface layer electrode on a surface of the surface layer portion. The surface layer portion includes a first layer next to the internal layer portion, and the internal layer portion includes a second layer next to the first layer. The thermal expansion coefficient of the first layer is lower than the thermal expansion coefficient of the second layer. The first layer and the second layer each contain glass containing 40 weight % to 65 weight % of MO, where MO is at least one selected from CaO, MgO, SrO, and/or BaO); 35 weight % to 60 weight % of alumina, and 1 weight % to 10 weight % of at least one metal oxide selected from CuO and/or Ag2O.

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Patent Owner(s)

  • MURATA MANUFACTURING CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujita, Seiji Nagaokakyo, JP 17 47

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