Title:
ANTENNA
Document Type and Number:
WIPO Patent Application WO/2008/146932
Kind Code:
A1
Abstract:
An antenna that while maintaining a desirable level of gain for radio waves of
a wide range of frequencies, realizes a compact outline, constructed of a core
(1) of laminate structure. The core is in the form of a plate with rectangular
contour and comprised of a third resin layer (1c) and second resin layer (1b) consisting
only of a resin not containing any magnetic powder and, interposed therebetween,
a first resin layer (1a) containing a magnetic powder as a central layer, the first,
second and third resin layers constituting a laminate structure. Preferably,
in the core (1) of laminate structure, a polymer resin is used in each of the resin
layers and a soft ferrite powder is used as the magnetic powder.
Inventors:
SONODA KENSAKU (JP)
KOIKE KIYOSHI (JP)
KAN RIKIYA (JP)
SHIROTA KENICHI (JP)
KOIKE KIYOSHI (JP)
KAN RIKIYA (JP)
SHIROTA KENICHI (JP)
Application Number:
PCT/JP2008/060104
Publication Date:
December 04, 2008
Filing Date:
May 26, 2008
Export Citation:
Assignee:
NOF CORP (JP)
OKI PRINTED CIRCUITS CO LTD (JP)
TOKO INC (JP)
SONODA KENSAKU (JP)
KOIKE KIYOSHI (JP)
KAN RIKIYA (JP)
SHIROTA KENICHI (JP)
OKI PRINTED CIRCUITS CO LTD (JP)
TOKO INC (JP)
SONODA KENSAKU (JP)
KOIKE KIYOSHI (JP)
KAN RIKIYA (JP)
SHIROTA KENICHI (JP)
International Classes:
H01Q7/08; H01Q1/38
Foreign References:
| JP2005184094A | 2005-07-07 | |||
| JP2006033560A | 2006-02-02 | |||
| JP2005277607A | 2005-10-06 |
Attorney, Agent or Firm:
MATSUDA, Katsuji (City Tower 6028-1, Kudan-minami 2-chom, Chiyoda-ku Tokyo 74, JP)
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