Title:
INDUCTANCE PART AND ELECTRONIC DEVICE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2004/040597
Kind Code:
A1
Abstract:
An inductance part capable of obtaining sufficient inductance even if it is small-sized and height-reduced; and an electronic device using the same. An inductance part comprising a coil (21), a through hole (22) in the coil (21), and a multi-layer magnetic layer (30), wherein the multi-layer magnetic layer (30) is disposed between the upper and lower surfaces of the coil (21) and the inner wall of the through hole (22).
Inventors:
MATSUTANI NOBUYA (JP)
IBATA AKIHIKO (JP)
TAKASE YOSHIHISA (JP)
TAKAHASHI TAKESHI (JP)
IBATA AKIHIKO (JP)
TAKASE YOSHIHISA (JP)
TAKAHASHI TAKESHI (JP)
Application Number:
PCT/JP2003/013894
Publication Date:
May 13, 2004
Filing Date:
October 30, 2003
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
MATSUTANI NOBUYA (JP)
IBATA AKIHIKO (JP)
TAKASE YOSHIHISA (JP)
TAKAHASHI TAKESHI (JP)
MATSUTANI NOBUYA (JP)
IBATA AKIHIKO (JP)
TAKASE YOSHIHISA (JP)
TAKAHASHI TAKESHI (JP)
International Classes:
H01F17/04; H01F3/02; H01F3/08; H01F3/10; H01F17/00; H01F27/34; H01F27/36; (IPC1-7): H01F27/24; H01F27/28; H01F37/00
Foreign References:
| JPH0456113A | 1992-02-24 | |||
| JPH06349637A | 1994-12-22 | |||
| JPH09223636A | 1997-08-26 |
Attorney, Agent or Firm:
Iwahashi, Fumio c/o Matsushita Electric Industrial Co. Ltd. (1006, Oaza Kadom, Kadoma-shi Osaka, JP)
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