Title:
ELECTRONIC COMPONENT, ANTENNA, AND RF TAG
Document Type and Number:
WIPO Patent Application WO/2018/143114
Kind Code:
A1
Abstract:
The present invention pertains to an electronic component and an antenna used for communicating information by using magnetic-field components, said antenna being one that simultaneously satisfies requirements for downsizing and improvement in communication sensitivity. The electronic component according to the present invention comprises a ferrite core and a coil, wherein: the ferrite constituting the ferrite core has a spinel structure and contains Fe, Ni, Zn, Cu, and Co as constituent metal elements; when the constituent metal elements are expressed as Fe2O3, NiO, ZnO, CuO, and CoO, respectively, the ferrite comprises 46-50 mol% of Fe2O3, 20-27 mol% of NiO, 15-22 mol% of ZnO, 9-11 mol% of CuO, and 0.01-1.0 mol% of CoO with respect to the sum total of Fe2O3, NiO, ZnO, CuO, and CoO.
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Inventors:
NOMURA SATOSHI (JP)
KOUJIMA JUN (JP)
NISHIO YASUSHI (JP)
NAKATSUKASA MANATO (JP)
FUJII YASUHIKO (JP)
KOUJIMA JUN (JP)
NISHIO YASUSHI (JP)
NAKATSUKASA MANATO (JP)
FUJII YASUHIKO (JP)
Application Number:
PCT/JP2018/002660
Publication Date:
August 09, 2018
Filing Date:
January 29, 2018
Export Citation:
Assignee:
TODA KOGYO CORP (JP)
International Classes:
H01Q7/06; C04B35/30; G06K19/077; H01F1/34; H01F17/00; H01F17/04
Domestic Patent References:
| WO2005104298A1 | 2005-11-03 |
Foreign References:
| JP2015117172A | 2015-06-25 | |||
| JPH09270314A | 1997-10-14 | |||
| JP2003272914A | 2003-09-26 | |||
| JP2012028799A | 2012-02-09 |
Attorney, Agent or Firm:
OKADA, Kazuhiko (JP)
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