Air-Cavity Transmission Lines on Anodized Aluminum for High-Performance RF Modules

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In this study, we form air-cavity transmission lines on anodized aluminum substrates. The fabricated transmission lines are microstrip, grounded CPW, and microshield structures. Thick anodized alumina is used as the post of the suspending structures, and it is realized very easily using selective chemical wet-etching. The insertion losses of the fabricated transmission lines on the anodized aluminum are within a range of 0.2-0.26 dB/mm, and they improve greatly after realizing air-cavity structures to 0.043-0.076 dB/mm at 40 GHz.
Publisher
IEEE-Inst Electrical Electronics Engineers Inc
Issue Date
2009-10
Language
English
Article Type
Article
Citation

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.19, no.10, pp.623 - 625

ISSN
1531-1309
DOI
10.1109/LMWC.2009.2029736
URI
http://hdl.handle.net/10203/93640
Appears in Collection
EE-Journal Papers(저널논문)
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