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Low Dielectric Polyimide Aerogels As Substrates for Lightweight Patch Antennas

Meador, Mary Ann B ; Wright, Sarah ; Sandberg, Anna ; Nguyen, Baochau N ; Van Keuls, Frederick W ; Mueller, Carl H ; Rodríguez-Solís, Rafael ; Miranda, Félix A

ACS applied materials & interfaces, 2012-11, Vol.4 (11), p.6346-6353 [Periódico revisado por pares]

United States: American Chemical Society

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Título:
Low Dielectric Polyimide Aerogels As Substrates for Lightweight Patch Antennas
Autor: Meador, Mary Ann B ; Wright, Sarah ; Sandberg, Anna ; Nguyen, Baochau N ; Van Keuls, Frederick W ; Mueller, Carl H ; Rodríguez-Solís, Rafael ; Miranda, Félix A
Assuntos: Electric Impedance ; Equipment Design ; Equipment Failure Analysis ; Gels - chemistry ; Materials Testing ; Resins, Synthetic - chemistry ; Telecommunications - instrumentation ; Transducers
É parte de: ACS applied materials & interfaces, 2012-11, Vol.4 (11), p.6346-6353
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The dielectric properties and loss tangents of low-density polyimide aerogels have been characterized at various frequencies. Relative dielectric constants as low as 1.16 were measured for polyimide aerogels made from 2,2′-dimethylbenzidine (DMBZ) and biphenyl 3,3′,4,4′-tetracarbozylic dianhydride (BPDA) cross-linked with 1,3,5-triaminophenoxybenzene (TAB). This formulation was used as the substrate to fabricate and test prototype microstrip patch antennas and benchmark against state of practice commercial antenna substrates. The polyimide aerogel antennas exhibited broader bandwidth, higher gain, and lower mass than the antennas made using commercial substrates. These are very encouraging results, which support the potential advantages of the polyimide aerogel-based antennas for aerospace applications.
Editor: United States: American Chemical Society
Idioma: Inglês

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Low Dielectric Polyimide Aerogels As Substrates for Lightweight Patch Antennas

Meador, Mary Ann B ; Wright, Sarah ; Sandberg, Anna ; Nguyen, Baochau N ; Van Keuls, Frederick W ; Mueller, Carl H ; Rodríguez-Solís, Rafael ; Miranda, Félix A

United States: American Chemical Society

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