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This paper describes an effort to develop a thin film packaging technology for microfabricated planar antennas on polymeric substrates based on silicon carbide (SiC) films deposited by physical vapor deposition (PVD). The antennas are coplanar waveguide fed dual frequency folded slot antennas fabricated on liquid crystal polymer (LCP) substrates. The PVD SiC thin films were deposited directly onto...
This paper presents low loss CPW (Co-Planar Waveguide) and microstrip via transitions on LCP (Liquid Crystal Polymer) substrate. The CPW transition using 105 mum via holes on a 4 mil LCP shows virtually no loss up to 25 GHz and about 0.13 dB of loss per transition at 40 GHz. The microstrip transition has no loss up to 15 GHz and approximately 0.5 dB of loss per transition at 30 GHz. In addition, the...
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