• A compact charge ratio expression for the emitter delay of polysilicon emitter bipolar transistors 

    Castañer Muñoz, Luis María; Sureda, S; Bardés Llorensí, Daniel; Alcubilla González, Ramón (1994-03)
    Artículo
    Acceso abierto
    A compact solution for the ratio of the excess minority carrier charge stored into the polysilicon to the charge stored in the single crystal part of the emitter of a polysilicon emitter bipolar transistor is derived. The ...
  • Al2O3/TiO2 inverse opals from electrosprayed self-assembled templates 

    Coll, Arnau; Bermejo Broto, Sandra; Hernández, David; Castañer Muñoz, Luis María (2018-01-19)
    Artículo
    Acceso abierto
    The fabrication of high optical quality inverse opals is challenging, requiring large size, three-dimensional ordered layers of high dielectric constant ratio. In this article, alumina/TiO2–air inverse opals with a 98.2% ...
  • A miniaturized two axis sun sensor for attitude control of nano-satellites 

    Angulo, M.; Gras, Ana; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Ricart Campos, Jordi; Domínguez Pumar, Manuel; Castañer Muñoz, Luis María; Quero, J.M.; Tarrida, C. L.; Reina, M. (2010-10-10)
    Artículo
    Acceso abierto
    This paper describes the design, fabrication, characterization, and satellite integration of a miniaturized two axis sun sensor which has been used in the attitude control system of the Spanish nano-satellite NANOSAT-1B. ...
  • Analysis of GaAs-Ti thin films deposited by sputtering onto c-Si and GaAs 

    Silvestre Bergés, Santiago; Puigdollers i González, Joaquim; Boronat, A.; Castañer Muñoz, Luis María (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-02-11)
    Comunicación de congreso
    Acceso abierto
    Some sputtering processes of GaAs and Ti onto glass, c-Si and c-GaAs substrates have been carried out in order to obtain thin films as candidates to be intermediate band photovoltaic materials. This work presents first ...
  • Colloidal crystals by electrospraying polystyrene nanofluids 

    Coll Valentí, Arnau; Bermejo Broto, Sandra; Hernández García, David; Castañer Muñoz, Luis María (2013-01-12)
    Artículo
    Acceso abierto
  • Comparison of air gap breakdown and substrate injection as mechanisms to induce dielectric charching in microelectromechanical switches 

    Molinero Giles, David; Castañer Muñoz, Luis María (American Institute of Physics, 2008-01-29)
    Artículo
    Acceso restringido por política de la editorial
    Experiments show that air breakdown and substrate carrier conduction can be responsible of the dielectric charging of microelectromechanical devices after electrical stress. Test conducted under vacuum allows us to isolate ...
  • c-Si photovoltaic arrays 

    Bermejo Broto, Sandra; Ortega Villasclaras, Pablo Rafael; Castañer Muñoz, Luis María (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
    Texto en actas de congreso
    Acceso abierto
    Crystalline silicon small photovoltaic arrays are shown. Electrical isolation of individual cells and series connection between them to integrate series arrays are discussed. High open circuit voltage values in the range ...
  • Dielectric charge measurements in capacitive microelectromechanical switches 

    Molinero Giles, David; Comulada Simpson, Ricard; Castañer Muñoz, Luis María (American Institute of Physics, 2006-09-06)
    Artículo
    Acceso restringido por política de la editorial
    Measurements of transient currents from the discharge of microelectromechanical capacitive switches after charging the dielectric with an ion gun are reported. It is shown that both the charge sign and the charge amount ...
  • Dynamic simulation of particle self-assembly applied to microarray technology 

    Virgilio, Vito di; Coll Valentí, Arnau; Bermejo Broto, Sandra; Castañer Muñoz, Luis María (2010)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In this work we want to explore some techniques, microfluidic and electrosprayionization based, suitable for dynamic microarrays' fabrication. The fabrication techniques are based on manipulation and self-assembly of ...
  • Effect of nanofluid conductivity and humidity on the self-assembly of colloidal crystals by means of electrospray 

    Coll Valentí, Arnau; Bermejo Broto, Sandra; Martín García, Isidro; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Comunicación de congreso
    Acceso abierto
  • Effect of nanofluid conductivity and humidity on the self-assembly of nanoparticles deposited by electrospray 

    Coll Valentí, Arnau; Bermejo, Sandra; Martín García, Isidro; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Texto en actas de congreso
    Acceso abierto
    Electrospray technique has been used in previous works as an excellent way to develop ordered nanostructures. This work focuses on the necessary conditions to achieve 3D nano-ordered layers, which are mainly determined by ...
  • EWOD using nonaqueous liquids 

    Ahmadi, Maziar; Bermejo Broto, Sandra; Castañer Muñoz, Luis María (2015-04-18)
    Artículo
    Acceso abierto
    Electrowetting on Dielectric (EWOD) has been studied for more than a decade and used for different applications but still there are few works on non-aqueous liquids such as mixtures of polyols. We have found that significant ...
  • Fundamentos de diseño microelectrónico 

    Castañer Muñoz, Luis María; Jimenez Serres, Vicente; Bardés Llorensí, Daniel (Edicions UPC, 2002)
    Libro
    Acceso restringido a los usuarios de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
    El presente texto aporta el material necesario para un curso introductorio de diseño microelectrónico. Este libro está concebido como una herramienta de autoaprendizaje y, por ello, en cada capítulo se proponen numerosos ...
  • Improving a nozzle tip with a guard ring for an electrospray system 

    Veliz Noboa, Bremnen Marino; Bermejo Broto, Sandra; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The Electrospray technique allows the formation of small droplets from aqueous solutions that may contain nanoparticles of different materials in suspension, leading to the deposition of layers of the nanoparticles. The ...
  • Improving the hydrophobicity and electrowetting reversibility of teflon layers 

    Ahmadi Zeidabadi, Maziar; Bermejo Broto, Sandra; Castañer Muñoz, Luis María (2013)
    Comunicación de congreso
    Acceso restringido por política de la editorial
  • Influence of hydrogen on the optical absorption response of GaAs(Ti) films deposited by R.F. sputtering 

    Boronat Moreiro, Alfredo; Silvestre Bergés, Santiago; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In the present work we have investigated the optical absorption behavior of GaAs(Ti) films deposited by r.f sputtering technique under different H2 partial pressures. In previous work we have already demonstrated the ...
  • Interdigitated μ-electrodes for development of an impedimetric immunosensor for atrazine detection. 

    Valera Cano, Enrique Andrés; Ramón-Azcón, Javier; Sanchez, F. J.; Marco, M.P.; Rodríguez Martínez, Ángel; Castañer Muñoz, Luis María (2009-02)
    Texto en actas de congreso
    Acceso abierto
    This contribution describes the development of an impedimetric immunosensor for atrazine detection. This immunosensor is based on the use of interdigitated metallic μ-electrodes (IDμEs) The method described in this ...
  • Low-cost thermal s-d air flow sensor 

    Domínguez Pumar, Manuel; Masana Nadal, Francesc; Jimenez Serres, Vicente; Bermejo Broto, Sandra; Amírola Sanz, Jorge; Ballester, Javier; Fueyo, Norberto; Castañer Muñoz, Luis María (2002-10)
    Artículo
    Acceso abierto
    This paper describes the design and optimization of a hot-wire air flowmeter. A low-cost design of the packaging allows good thermal contact with the airflow, as well as good thermal isolation between the hot and cold ...
  • Low pressure spherical thermal anemometer for space missions 

    Kowalski, Lukasz; Jimenez Serres, Vicente; Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Silvestre Bergés, Santiago; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The novelty of this 2D thermal anemometer is the spherical compact and robust design with improved sensitivity in the range of 600-900Pa of carbon dioxide pressure and 0.25 to 10 m/s wind speed. The small size (11.2mm ...
  • Low voltage 2D capacitive-coupled electrowetting 

    Ahmadi Zeidabadi, Maziar; Bermejo Broto, Sandra; Castañer Muñoz, Luis María (2013)
    Comunicación de congreso
    Acceso restringido por política de la editorial