107 research outputs found
Intercomparison of Permittivity Measurement Techniques for Ferroelectric Thin Layers
International audienceThe dielectric properties of a KTa0.65Nb0.35O3 (KTN) ferroelectric composition for a submicronic thin layer were measured in the microwave domain using different electromagnetic characterization methods. Complementary experimental techniques (broadband methods versus resonant techniques, waveguide versus transmission line) and complementary data processing procedures (quasi-static theoretical approaches versus full-wave analysis) were selected to investigate the best way to characterize ferroelectric thin films. The measured data obtained from the cylindrical resonant cavity method, the experimental method that showed the least sources of uncertainty, were taken as reference values for comparisons with results obtained using broadband techniques. The error analysis on the methods used is discussed with regard to the respective domains of validity for each method; this enabled us to identify the best experimental approach for obtaining an accurate determination of the microwave dielectric properties of ferroelectric thin layers
" Influence de la température sur l'intégrité des signaux haut débit véhiculés dans les interconnexions de PCB "
National audienc
Electrical Performance Modeling of Unbalanced Comb Tree Networks on Advanced PCB Interconnects for High-Rate Clock Signal Distribution
International audienc
INFLUENCE D'UN APPORT CROISSANT D'ORGE SUR LE COMPORTEMENT ALIMENTAIRE DE LA VACHE LAITIĂRE ET LA DIGESTION
International audienc
Experimental validation of balanced tree interconnection model for high speed signal integrity
International audienceExperimental validation of balanced tree interconnection model for high speed signal integrit
Fast Estimation of High-Speed Signal Integrity for Coupled PCB Interconnects
International audienc
ALIMENTATION DES VACHES LAITIĂRES AVEC DES RATIONS A PROPORTION VARIABLE D'ALIMENTS CONCENTRĂS : PRODUCTION ET COMPOSITION DU LAIT, ET DIGESTION DANS LE RUMEN
International audienc
ALIMENTS COMPLETS AGGLOMĂRĂS A BASE DE PAILLE ET DE CĂRĂALES. II. â DIGESTION ET UTILISATION PAR LES VACHES LAITIĂRES
International audienc
UTILISATION DES LUZERNES ET DES GRAMINĂES DĂSHYDRATĂES COMME UNIQUE FOURRAGE DE LA RATION DES VACHES LAITIĂRES, ET ĂTUDE DE LEUR DIGESTION DANS LE RUMEN
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