Title:
The magnetic sheet for non-contact electricity-receiving devices, a non-contact electricity-receiving device using it, electronic equipment, and non-contact charging equipment
Document Type and Number:
Japanese Patent JP6151185
Kind Code:
B2
Abstract:
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.
Inventors:
Takao Sawa
Katsuhiko Yamada
Tadao Saito
Kiyoshi Nagasaki
Katsuhiko Yamada
Tadao Saito
Kiyoshi Nagasaki
Application Number:
JP2013542843A
Publication Date:
June 21, 2017
Filing Date:
November 07, 2012
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Materials Co., Ltd.
Toshiba Materials Co., Ltd.
International Classes:
H01F38/14; H01F27/36; H02J7/00; H02J50/10
Domestic Patent References:
| JP2009277820A | ||||
| JP2010283263A | ||||
| JP20095475A | ||||
| JP2010272628A | ||||
| JP2010517502A | ||||
| JP2012156280A | ||||
| JP2009200174A |
Foreign References:
| WO2009025279A1 |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office
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