Magnetic sheet for non-contact power receiving device, non-contact power receiving device, electronic apparatus, and non-contact charger

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United States of America Patent

PATENT NO 9443648
APP PUB NO 20140239892A1
SERIAL NO

14271780

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A magnetic sheet of an embodiment includes a laminate of a plurality of magnetic thin plates. The laminate constituting the magnetic sheet includes a first magnetic thin plate and a second magnetic thin plate different in kind from the first magnetic thin plate. The first magnetic thin plate has a magnetostriction constant exceeding 5 ppm in an absolute value, and the second magnetic thin plate has a magnetostriction constant of 5 ppm or less in an absolute value. Alternatively, the first magnetic thin plate has a thickness of from 50 to 300 μm, and the second magnetic thin plate has a thickness of from 10 to 30 μm.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA;TOSHIBA MATERIALS CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagasaki, Kiyoshi Yokohama, JP 1 39
Saito, Tadao Yokohama, JP 100 1322
Sawa, Takao Yokohama, JP 67 707
Yamada, Katsuhiko Yokohama, JP 87 975

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