Journal
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume 29, Issue 2, Pages 113-115Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2018.2886958
Keywords
Shielding effectiveness; shielding enclosure (SE); subwavelength; surface plasmon
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Funding
- 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
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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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