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We present in this paper a new passive ceramic corrosion sensor which can be integrated into a structure submitted to a corrosive environment. The corrosion detection mechanism is based on the modification of a resonator frequency as a function of the corrosion level. An alumina substrate is covered with a metal enclosure that is protected against corrosion apart from the middle of the top face. This...
Carrier transport parameters of graphene grown by chemical vapor deposition (CVD) and graphene-metal contacts are extracted from microwave measurements in the frequency range 0.1–20 GHz using Corbino disks. It is shown that the charged impurities are effectively screened by the high permittivity of the SrTiO3 substrate. In the case of fused silica substrate the charged impurities are not completely...
This work presents a novel class of filters in substrate integrated waveguide (SIW) technology, based on a multilayered configuration. The peculiarity of these filters is the presence of additional poles and zeros, due to the resonant slot etched in the common metal layer between two dielectric substrates. In this way, a filter with two mono-modal cavities, coupled by a resonant slot, exhibits a frequency...
In this study, new TSV structures, TOV (Through Organic Via) and COV (Coaxial Via), are proposed to overcome the lossy problem of the TSV. In the proposed via, a thick insulator, more than 10 µm, can be realized by using the organic lamination process. The lamination process is applied to the silicon hole which is formed by using a deep RIE (Reactive Ion Etching) process. An UV laser was used to drill...
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