Exploració per tema "Microfabrication"

Ara es mostren els items 1-13 de 13

    • Aplicació informàtica per assistir a la programació d’una fresadora control numèric 

      Borrell Bayona, Maria Isabel (Universitat Politècnica de Catalunya, 2016-01)
      Projecte/Treball Final de Carrera
      Accés obert
      L’objectiu d’aquest projecte és desenvolupar una aplicació informàtica que assisteixi durant el procés de fabricació de peces en una fresadora amb control numèric. L’aplicació informàtica genera el codi que s’utilitza per ...

    • Capillary-driven microfluidics: impacts of 3D manufacturing on bioanalytical devices 

      Azizian, Pooya; Casals Terré, Jasmina; Ricart Campos, Jordi; Cabot, Joan Marc (Royal Society of Chemistry (RSC), 2023-01-01)
      Article
      Accés obert
      Over decades, decentralized diagnostics continues to move towards rapid and cost-effective testing at the point-of-care (POC). Although microfluidics has become a key enabling technology for POC testing, the need for robust ...

    • Cost-effective microfabrication of sub-micron-depth channels by femto-laser anti-stiction texturing 

      Karimi, Shadi; Mehrdel, Pouya; Casals Terré, Jasmina; Farré Lladós, Josep (2020-02-26)
      Article
      Accés obert
      Micro Electro Mechanical Systems (MEMS) and microfluidic devices have found numerous applications in the industrial sector. However, they require a fast, cost-effective and reliable manufacturing process in order to compete ...

    • Experimental study and redesign of a vision based control system for Microassembly Workstation 

      López-Dóriga Guerra, Sergio (Universitat Politècnica de Catalunya / Sabanci Universitesi, 2011)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      The vision based control (or visual servoing) for the mechanical manipulation of micro particles is the main eld of work of this thesis. Micromanipulation of micro- electro-mechanical systems (MEMS) is an everyday more ...

    • Microfluidic platform for multiple parameters readouts in a point-of-care 

      Karimi, Shadi (Universitat Politècnica de Catalunya, 2020-05-11)
      Tesi
      Accés obert
      The research is motivated by real applications, such as pasteurization plant, water networks and autonomous system, which each of them require a specific control system to provide proper management able to take into account ...

    • Nano and micro architectures for self-propelled motors 

      Parmar, Jemish; Ma, Xing; Katuri, Jaideep; Simmchen, Juliane; Stanton, Morgan M.; Trichet-Paredes, Carolina; Soler Turu, Lluís; Sanchez, Samuel (2015-01-28)
      Article
      Accés obert
      Self-propelled micromotors are emerging as important tools that help us understand the fundamentals of motion at the microscale and the nanoscale. Development of the motors for various biomedical and environmental applications ...

    • Photonic crystal spatial filtering in broad aperture diode laser 

      Gawali, Sandeep Babu; Gailevicius, Darius; Garre Werner, Guillermo; Purlys, Vytautas; Cojocaru, Crina; Trull Silvestre, José Francisco; Montiel Ponsoda, Joan; Staliunas, Kestutis (2019-10-02)
      Article
      Accés obert
      Broad aperture semiconductor lasers usually suffer from low spatial quality of the emitted beams. Due to the highly compact character of such lasers, the use of conventional intracavity spatial filters is problematic. We ...

    • Radiation pattern reconfigurable microfabricated planar millimeter-wave antennas 

      Balcells Ventura, Jordi (Universitat Politècnica de Catalunya, 2011-05-20)
      Tesi
      Accés obert
      Els serveis de telecomunicacions i sistemes radar estan migrant a freqüències mil•limètriques (MMW), on es disposa d 'una major amplada de banda i conseqüentment d'una major velocitat de transmissió de dades. Aquesta ...

    • Redesing, reemplacement and implementation of a vision system for a microassembly workstation 

      Benito Santiago, Víctor (Universitat Politècnica de Catalunya / Sabanci Universitesi, 2011)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      The interest on the microworld was started by Richard Feynman (Nobel prize in physics in 1965, one of the members in Project Manhattan) in his famous speech in 1959 [1], where he claimed ...

    • Self-assembly of collagen building blocks guided by electric fields 

      de la Rica, Roberto; Mendoza Gómez, Ernesto; Chow, Lesley W.; Cloyd, Kristy L.; Bertazzo, Sergio; Watkins, Hannah C.; Steele, Joseph A. M.; Stevens, Molly M. (2014-10-01)
      Article
      Accés restringit per política de l'editorial
      Show me the way: protein building blocks are programmed to assemble hierarchically and yield a defined fiber morphology of micrometric length and precise nanometric diameter. The key step of this method is to align the ...

    • The use of rapid prototyping techniques (RPT) to manufacture micro channels suitable for high operation pressures and uPIV 

      Farré Lladós, Josep; Casals Terré, Jasmina; Voltas Aguilar, Jordi; Westerberg, Lars G. (2016)
      Article
      Accés obert
      This paper aims to present a new methodology to manufacture micro-channels suitable for high operating pressures and micro particle image velocimetry (µPIV) measurements using a rapid-prototyping high-resolution 3D printer. ...

    • Thermal and oxidation stability of TixW1−x diffusion barriers investigated by soft and hard x-ray photoelectron spectroscopy 

      Kalha, Curran; Fernando, Nathalie Kanchena; Berens, Judith; Gutierrez Moreno, Jose Julio; Mohr, Stephan (American Institute of Physics, 2021)
      Article
      Accés obert
      The binary alloy of titanium-tungsten (TiW) is an established diffusion barrier in high-power semiconductor devices, owing to its ability to suppress the diffusion of copper from the metallization scheme into the surrounding ...

    • Three-dimensional microfabricated broadband patch antenna for wiGig applications 

      Mopidevi, Hema Swaroop; Hurneli, H. V.; Cagatay, E.; Biyikli, N.; Imbert Villà, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís; Cetiner, Bedri Artug (2014-01-01)
      Article
      Accés restringit per política de l'editorial
      The design, microfabrication, and characterization of a broadband patch antenna capable of covering the entire IEEE 802.11ad (WiGig) frequency band (57-66 GHz) are presented in this letter. A conductor-backed (CB) coplanar ...