Title:
COIL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2008/010329
Kind Code:
A1
Abstract:
A coil component having a magnetic core and a coil wound around the magnetic core.
The coil component also has an eddy current producing member constructed from
one of or by combining a tape member using electrically conductive metal foil,
a thin film using an electrically conductive metal material, and a thin belt using
an electrically conductive metal material, a coating film using an electrically
conductive metal material, and a plate-like member using an electrically conductive
metal material. In a coil antenna system using the coil component, the value
of Q can be adjusted to a desired level without an increase in a DC resistance value.
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Inventors:
KUDO YOSHIKI (JP)
MEGURO FUMIHITO (JP)
SATO TSUYOSHI (JP)
ROKUKA TAKANOBU (JP)
OKAMURA SHINJI (JP)
MEGURO FUMIHITO (JP)
SATO TSUYOSHI (JP)
ROKUKA TAKANOBU (JP)
OKAMURA SHINJI (JP)
Application Number:
PCT/JP2007/055100
Publication Date:
January 24, 2008
Filing Date:
March 14, 2007
Export Citation:
Assignee:
SUMIDA CORP (JP)
KUDO YOSHIKI (JP)
MEGURO FUMIHITO (JP)
SATO TSUYOSHI (JP)
ROKUKA TAKANOBU (JP)
OKAMURA SHINJI (JP)
KUDO YOSHIKI (JP)
MEGURO FUMIHITO (JP)
SATO TSUYOSHI (JP)
ROKUKA TAKANOBU (JP)
OKAMURA SHINJI (JP)
International Classes:
H01F27/42; H01Q7/08
Foreign References:
| JP2004104551A | 2004-04-02 | |||
| JP2006081140A | 2006-03-23 | |||
| JPH08252237A | 1996-10-01 | |||
| JPS634687B2 | 1988-01-30 | |||
| JP3735104B2 | 2006-01-18 |
Other References:
See also references of EP 2045878A4
Attorney, Agent or Firm:
TSUNODA, Yoshisue et al. (8-1 Nishishinjuku 1-chome,,Shinjuku-ku, Tokyo 23, JP)
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