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Patent Searching and Data


Title:
MULTI-COIL MODULE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/077098
Kind Code:
A1
Abstract:
The objective of the invention is to reduce the loss even in a case where the loop coils of a multi-coil module are superimposed on each other. Included are a first coil module (2), which comprises a first magnetic sheet (4) and a first loop coil (5) disposed on the first magnetic sheet (4) and further wound in the form of a sheet, and a second coil module (3) comprising a second magnetic sheet (6) and a second loop coil (7) disposed on the second magnetic sheet (6) and further wound in the form of a sheet. The first coil module (2) and second coil module (3) are laminated, and at least a coil pattern of the first loop coil (5) at the most inner track and the second loop coil (7) are superimposed on each other. The coil pattern of the first loop coil at the most inner track, which is superimposed on the second loop coil, has a line width of 1 mm or less.

Inventors:
SAITO NORIO (JP)
RYOSON HIROYUKI (JP)
ORIHARA KATSUHISA (JP)
Application Number:
PCT/JP2013/078775
Publication Date:
May 22, 2014
Filing Date:
October 24, 2013
Export Citation:
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Assignee:
DEXERIALS CORP (JP)
International Classes:
H01Q7/06
Foreign References:
JP2005277607A2005-10-06
JP2009182902A2009-08-13
JP2008035464A2008-02-14
Other References:
See also references of EP 2922142A4
Attorney, Agent or Firm:
KOIKE, Akira et al. (JP)
Akira Koike (JP)
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