发明名称 |
COMPOSITE RADIO WAVE ABSORBER |
摘要 |
An electromagnetic wave absorber is provided which has an outstanding electromagnetic wave absorption property with a return loss of 20 dB or greater in a wide frequency band of 30 MHz to 20 GHz. A combined electromagnetic wave absorber includes a magnetic absorber plate, a crossed electromagnetic wave absorber disposed on the magnetic absorber plate, and a compact electromagnetic wave absorber disposed in a space defined by the dielectric loss plates of the crossed electromagnetic wave absorber on the magnetic absorber plate. When viewed in the direction perpendicular to the magnetic absorber plate, the compact electromagnetic wave absorber is configured in a multilayer structure having a plurality of electromagnetic wave absorbent layers with a low dielectric layer interposed therebetween. |
申请公布号 |
EP2293661(A4) |
申请公布日期 |
2015.06.10 |
申请号 |
EP20090733457 |
申请日期 |
2009.04.08 |
申请人 |
KABUSHIKI KAISHA RIKEN |
发明人 |
HIROSE, KEITA;ONO, TAKASHI |
分类号 |
H05K9/00;H01F1/00;H01Q17/00 |
主分类号 |
H05K9/00 |
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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