期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 29, 期 2, 页码 113-115出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2018.2886958
关键词
Shielding effectiveness; shielding enclosure (SE); subwavelength; surface plasmon
资金
- National Natural Science Foundation of China [61871467, 51603218]
- Scientific Research Fund of Sichuan Provincial of China [18SYXHZ0056]
- Zhejiang Provincial Natural Science Foundation of China [LGG18F010002]
- Huawei Innovation Research Program
Most practical shielding enclosure is not complete, which brings challenge for the application of traditional shielding materials. For the first time, this letter reveals that the subwave-length periodic shielding material could generate the hybrid lossy surface wave mode, which highly increases the propagation loss and enhances the shielding effectiveness (SE) in the incomplete enclosure. Experiment implemented on the practical chip, which applies the patterned subwavelength periodic polypropylene and carbon black composite, demonstrates a 5-dB enhancement of SE in a wide frequency range (12-28 GHz).
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