Title:
LAMINATED COIL
Document Type and Number:
WIPO Patent Application WO/2017/104309
Kind Code:
A1
Abstract:
A laminated coil (10) laminate (20) comprises a first section (201) and a second section (202), in the lamination direction, from a first surface (11) towards a second surface (12). The number of turns of coil conductor patterns (31, 32, 33) formed on insulating resin layers (21, 22, 23) of the first section (201) is not less than the number of turns of a coil conductor pattern (34) formed on an insulating resin layer (24) of the second section (202), and greater than the number of turns of the coil conductor pattern (34) nearest the second surface (12) of the second section (202). The number of main conductors per unit length of the first part (201) is greater than the number of main conductors per unit length of the second part (202). The width W2 of the main conductor at the outermost periphery within the coil conductor pattern of the second section (202) is greater than the width W1 of the main conductor of the coil conductor pattern of the first section (201).
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Inventors:
ITO SHINGO (JP)
TANAKA TAKUMI (JP)
TANAKA TAKUMI (JP)
Application Number:
PCT/JP2016/083310
Publication Date:
June 22, 2017
Filing Date:
November 10, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F17/00
Foreign References:
| JPH0869935A | 1996-03-12 | |||
| JP2002246231A | 2002-08-30 | |||
| JP2013168553A | 2013-08-29 | |||
| JP2014017035A | 2014-01-30 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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