Alumina substrate

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United States of America Patent

PATENT NO 10294585
APP PUB NO 20170211204A1
SERIAL NO

15329478

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An alumina substrate wherein an AlN layer is formed on a surface of the alumina substrate and a rare earth elements-containing layer and/or rare earth elements-containing regions is/are formed in the interior of the AlN layer or in the interface between the AlN layer and the alumina substrate.

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Patent Owner(s)

  • 501 TDK CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawasaki, Katsumi Tokyo, JP 23 33
Ohido, Atsushi Tokyo, JP 25 116
Yamasawa, Kazuhito Tokyo, JP 21 92

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