发明名称 |
Coil Antenna |
摘要 |
<p>A coil antenna is disclosed comprising a magnetic core and a wire wound around the magnetic core. The magnetic core is made of a mixture comprising soft magnetic powder and an organic binder agent. The magnetic core has a specific complex permeability whose real part µ' is 20 or more over a frequency range of 10 MHz or less and whose imaginary part µ" is 10 or more over a frequency range of 10MHz or more so that the magnetic core is also servable as a noise suppressor against high-frequency noise.</p> |
申请公布号 |
EP1592085(A1) |
申请公布日期 |
2005.11.02 |
申请号 |
EP20040023835 |
申请日期 |
2004.10.06 |
申请人 |
NEC TOKIN CORPORATION |
发明人 |
KATO, YOSHIHIKO;YAMAMOTO, NAOHARU;TESHIMA, MAKOTO;SATO, MITSUHARU |
分类号 |
H01Q1/27;H01Q1/00;H01Q7/08;(IPC1-7):H01Q7/08 |
主分类号 |
H01Q1/27 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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