Now showing items 1-20 of 65

  • Accurate and wide field of view MEMS-based sun sensor for industrial applications 

    Delgado, Francisco; Quero, J.M.; Garcia Ortega, Juan; López Tarrida, Cristina; Ortega Villasclaras, Pablo Rafael; Bermejo Broto, Sandra (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02-24)
    Article
    Restricted access - publisher's policy
    This paper describes the design, fabrication, simulation, and experimental results of an improved miniaturized two-axis sun sensor for industrial applications, created by adapting a technology used previously in satellite ...
  • A Divide-and-Conquer Approach for Cell Routing using Litho-friendly Layouts 

    Vidal Obiols, Alexandre (Universitat Politècnica de Catalunya, 2013-06-17)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
  • Advanced failure detection techniques in deep submicron CMOS integrated circuits 

    Rubio Sola, Jose Antonio; Altet Sanahujes, Josep; Mateo Peña, Diego (Pergamon Press, 2009)
    Conference report
    Restricted access - publisher's policy
    The test of present integrated circuits exhibits many confining aspects, among them the adequate selection of the observable variables, the use of combined testing approaches, an each time more restricted controllability ...
  • A highly-repeatable, broadband 180º phase switch for integrated MEMS processes 

    Llamas Morote, Marco Antonio; Girbau Sala, David; Ribó, M.; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, S.; Coccetti, Favio; Aouba, Stephane (2011)
    Conference report
    Restricted access - publisher's policy
    A broadband 0º/180º phase switch based on a slotline-coplanar-waveguide cross loaded with two MEMS switches in opposed (ON/OFF or OFF/ON) states, is reported. The fabrication was made on high-resistivity silicon substrates ...
  • An output-capacitorless FVF-based low-dropout regulator for power management applications 

    Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    This paper presents an output-capacitorless low dropout (LDO) regulator based on improved flipped voltage follower power stage for use in power management circuits. A new error amplifier (EA) structure, named as gain-bandwidth ...
  • Biofilm oxygen profiling using an array of microelectrodes on a microfabricated needle 

    Moya, A.; Guimerà Villalba, Xavier; del Campo, F.J.; Prats-Alfonso, E.; Dorado Castaño, Antonio David; Baeza, Mireia; Villa, R.; Gabriel, D.; Gamisans Noguera, Javier; Gabriel, G. (2014)
    Conference lecture
    Open Access
    Knowledge of bacterial activity inside biofilms is key to the optimization of applied biotechnologies. A novel dissolved oxygen microelectrode array (DO-MEA) sensor has been designed and fabricated on a needle using ...
  • Caracterització de biopel·lícules mitjançant la utilització de microsensors 

    Rodríguez Ruiz, Daniel (Universitat Politècnica de Catalunya, 2015-06)
    Bachelor thesis
    Open Access
    Les tècniques biològiques han adquirit molta importància en quant a la eliminació de contaminants. La part fonamental de les tècniques biològiques és la eliminació dels contaminants a través de microorganismes. Aquests ...
  • Characterization and modeling of organic thin-film transistors based pi-conjugated small molecule tetraphenyldibenzoperiflanthene: effects of channel length 

    Boukhili, W.; Mahdouani, M.; Bourguiga, R.; Puigdollers i González, Joaquim (2016-07-01)
    Article
    Open Access
    P-type organic thin film transistors (OTFTs) with different channel lengths have been fabricated and characterized by thermal evaporation using the small tetraphenyldibenzoperiflanthene (DBP) as an active material on Si/SiO2 ...
  • Characterization and modelling of switchable stop-band filters based on RF-MEMS and complementary split ring resonators 

    Gil Galí, Ignacio; Morata Cariñena, Marta; Fernández García, Raúl; Rottenberg, Xavier; De Raedt, Walter (2010-08-13)
    Article
    Open Access
    In this work, we present the characterization and electrical modelling of a reconfigurable stop-band filter based on RF microelectromechanical systems (RF-MEMS) combined with metamaterial structures. The device consists ...
  • Charge induced by ionizing radiation understood as a disturbance in a sliding mode control of dielectric charge 

    Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Gomez Rodriguez, Faustino; Gonzalez Castaño, Diego (2015-07-03)
    Article
    Open Access
    The purpose of this paper is to show that the charge induced by radiation in a dielectric on which a sigma–delta control of dielectric charge is implemented, can be seen as a disturbance in a sliding mode controller. ...
  • Circuit per a la detecció del moviment d'objectes de color 

    Capo Fuster, Marc (Universitat Politècnica de Catalunya, 2017-06-15)
    Bachelor thesis
    Open Access
    El treball consisteix a dissenyar i construir un sistema electrònic que detecti la proximitat d’objectes i els seus moviments. El sistema també mostrarà informació sobre els components RGB dels objectes acostats i la ...
  • Comparison between the density-of-states of picene transistors measured in air and under vacuum 

    Voz Sánchez, Cristóbal; Marsal, Albert; Moreno Sierra, César; Puigdollers i González, Joaquim; Alcubilla González, Ramón (2012-01)
    Article
    Restricted access - publisher's policy
    Picene has recently attracted much attention as the active layer in organic thin-film transistors because of its good performance in air. In this work, we have fabricated picene thin-film transistors that exhibit field-effect ...
  • Conmutadores RF-MEMS de baja tensión 

    Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel; Giacomozzi, Flavio (2012)
    Conference report
    Open Access
    This work shows experimental results of capacitive and ohmic RF-MEMS switches with low actuation voltage. The isolation of capacitive switches is better than 20 dB from 15 GHz and up to 80 GHz according to simulations. ...
  • Controlling Plateau-Rayleigh instabilities during the reorganization of silicon macropores in the Silicon Millefeuille process 

    Garin Escriva, Moises; Jin, Chen; Cardador Maza, David; Trifonov, T.; Alcubilla González, Ramón (Macmillan Publishers, 2017-08-03)
    Article
    Open Access
    The reorganization through high-temperature annealing of closely-packed pore arrays can be exploited to create ultra-thin (<20 µm) monocrystalline silicon layers that can work as cheap and flexible substrates for both the ...
  • Cross-talk extraction from mask layout 

    Sicard, E.; Demonchaux, T.; Noullet, J.L.; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Conference report
    Restricted access - publisher's policy
    The principles of an automated cross-talk extractor from the mask-level description of a CMOS integrated circuit are detailed. The physical extraction principles, the techniques for parasitic coupling evaluation and modeling, ...
  • Crystallographic control at the nanoscale to enhance functionality:polytypic Cu2GeSe3 nanoparticles as thermoelectric materials 

    Ibáñez, María; Zamani, Reza; Li, Wenhua; Cadavid, Doris; Gorsse, Stéphane; Katcho, Nebil A.; Shavel, Alexey; López Martínez, Antonio Miguel; Morante Lleonart, Joan Ramon; Arbiol, Jordi; Cabot, Andreu (2012-11-14)
    Article
    Restricted access - publisher's policy
    The potential to control the composition and crystal phase at the nanometer scale enable the production of nanocrystalline materials with enhanced functionalities and new applications. In the present work, we detail a ...
  • Depósito y caracterización de capas de Teflón sobre Silicio para la realización de dispositivos EWOD 

    Hernandez Coarasa, Antonio (Universitat Politècnica de Catalunya, 2011-06-14)
    Master thesis (pre-Bologna period)
    Open Access
    Català: Estudi de diferents mètodes de dipòsit de tefló i el seu efecte sobre la funcionabilitat final d'un sistema basat en la tecnologia EWOD
  • Desarrollo de una plataforma digital basada en FPGA para la corrección de anomalías en transmisores con alimentación dinámica 

    Bisbe Novoa, Sergi (Universitat Politècnica de Catalunya, 2010-07-23)
    Bachelor thesis
    Open Access
  • Design and Characterization of Reliable RF-MEMS 

    Torres Matabosch, Nuria (Universitat Politècnica de Catalunya, 2009-07-07)
    Master thesis (pre-Bologna period)
    Open Access
    This thesis present a SPDT (Single Pole Double Throw) in Ku-Band designed for space applications. It was developed in LAAS-CNRS (Laboratoire d’Analyse et d’Architecture des Systèmes) from February 2009 to July 2009 in ...
  • Design and fabrication of a Planar Diffusion Chamber for bio-chemical applications 

    Pérez Laka, Iván (Universitat Politècnica de Catalunya, 2011-07-13)
    Master thesis (pre-Bologna period)
    Open Access
    English: Diffusion processes of molecules pretend to be the most important tool of communication between nanometric devices, thereby theoretical and practical studies of these processes became essential in the development ...