Browsing by Author "Castañer Muñoz, Luis María"
Now showing items 1-20 of 49
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A compact charge ratio expression for the emitter delay of polysilicon emitter bipolar transistors
(1994-03)
Article
Open AccessA 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
(2018-01-19)
Article
Open AccessThe 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
(2010-10-10)
Article
Open AccessThis 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
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009-02-11)
Conference lecture
Open AccessSome 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 ... -
Applications of hot film anemometry to space missions
(VDE Conference Publications, 2008)
Conference report
Restricted access - publisher's policyIn this paper the most important constraints of the wind sensors for the Martian atmosphere are described, along with an overview of the past successful designs. Practically all the data available today about the Martian ... -
Bipolar transistor vertical vertical scaling framework
(1994-12)
Article
Restricted access - publisher's policyScaling factors for current and transit time are derived for polysilicon emitter, silicon based heterojunction bipolar transistors. It is shown that a simple set of analytical equations in integral form can be used to ... -
Colloidal crystals by electrospraying polystyrene nanofluids
(2013-01-12)
Article
Open Access -
Comparison of air gap breakdown and substrate injection as mechanisms to induce dielectric charching in microelectromechanical switches
(American Institute of Physics, 2008-01-29)
Article
Restricted access - publisher's policyExperiments 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
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
Conference report
Open AccessCrystalline 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
(American Institute of Physics, 2006-09-06)
Article
Restricted access - publisher's policyMeasurements 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
(2010)
Conference report
Restricted access - publisher's policyIn 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 dielectrophoretic force in the self-assembly process of electrosprayed nanoparticles
(2017-03-31)
Article
Open AccessIn this work the effect of the dielectrophoretic force (DEP) in the self-assembly process of nanoparticles electrosprayed onto a substrate, is examined. DEP force is originated by the electric field created by the electrospray ... -
Effect of nanofluid conductivity and humidity on the self-assembly of colloidal crystals by means of electrospray
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference lecture
Open Access -
Effect of nanofluid conductivity and humidity on the self-assembly of nanoparticles deposited by electrospray
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Open AccessElectrospray 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
(2015-04-18)
Article
Open AccessElectrowetting 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
(Edicions UPC, 2002)
Book
Restricted access to UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC usersEl 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 ... -
Impedance modeling of silica nanoparticle metal insulator metal capacitors
(2018-08-01)
Article
Open AccessIn this study, we have fabricated metal-insulator-metal (MIM) capacitors where the insulator layer is made of 255¿nm diameter silica nanospheres. The MIM devices have been characterized and modeled by electrochemical ... -
Improving a nozzle tip with a guard ring for an electrospray system
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThe 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
(2013)
Conference lecture
Restricted access - publisher's policy -
Influence of hydrogen on the optical absorption response of GaAs(Ti) films deposited by R.F. sputtering
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyIn 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 ...
