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Communication Dans Un Congrès Année : 2011

3-D pyramidal and collective Ku band pass filters made in alumina by ceramic stereolithography

Ali Khalil
  • Fonction : Auteur
  • PersonId : 919505
Nicolas Delhote
Jérôme Claus
  • Fonction : Auteur
Dominique Baillargeat
Serge Verdeyme
  • Fonction : Auteur
  • PersonId : 915587

Résumé

An original 3D pyramidal geometry for a low loss and compact (10.5 mm by 10.2 mm by 2 mm) filter is described in this paper. Nine low footprint Alumina filters are manufactured in one single fabrication by a 3D ceramic stereolithography process. Thank to this technology, high unloaded quality factor resonators (above 1000) have been fabricated and associated to create a low footprint 4-pole Chebyshev filter. Its shielding has been created with a Copper and Gold sputtering technique and its input and output coplanar accesses have been etched by a laser ablation technique. The association of these 3D technologies for the collective manufacturing of many filters in one ceramic part, has led to a low insertion loss filter working around 17.5 GHz. This paper goes into details on the theoretical synthesis, design, fabrication and measurements of a Ku band pass filter dedicated to space applications.
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Dates et versions

hal-00683584 , version 1 (29-03-2012)

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Ali Khalil, Nicolas Delhote, Sébastien Pacchini, Jérôme Claus, Dominique Baillargeat, et al.. 3-D pyramidal and collective Ku band pass filters made in alumina by ceramic stereolithography. IEEE MTT-S, IMS 2011, Jun 2011, Baltimore, United States. pp.1-4, ⟨10.1109/MWSYM.2011.5972716⟩. ⟨hal-00683584⟩
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