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This paper describes the design and the fabrication of a new type of millimeter-wave micromachined band pass filters, using silicon waveguides. The main interest of these components is their ability to be integrated along with other MMICs using flip chip bonding techniques. The micromachining fabrication technique allows to maintain very good fabrication tolerances, while the resulting filters are...
This work presents a theoretical study of dielectric temperature compensated resonators. It has been shown that use of two dielectric materials with opposite temperature coefficient of permittivity allow the realisation of a resonator with a zero temperature coefficient of frequency. By using sapphire and rutile materials, which have low loss tangents, some resonators with very high unloaded Q-factors...
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