Searched for: subject:"plasmas"
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Onink, M. (author), Brakman, C.M. (author), Root, J.H. (author), Tichelaar, F.D. (author), Mittemeijer, E.J. (author), Van der Zwaag, S. (author)
conference paper 1994
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Scotuzzi, M. (author), Kamerbeek, M.J. (author), Goodyear, A. (author), Cooke, M. (author), Hagen, C.W. (author)
To demonstrate the possibility of using EBID masks for sub-10 nm pattern transfer into silicon, first experiments were carried out by using 20-40 nm EBID masks, that were etched by different chemistries. It is experimentally verified that recipes based on hydrogen bromide, chlorine and boron trichloride can selectively etch silicon when using 20...
conference paper 2015
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Kotsonis, M. (author), Boon, P. (author), Veldhuis, L. (author)
This paper describes the experimental investigation of the properties of Dielectric Barrier Discharge (DBD) actuators aimed at transition delay techniques. A wide range of geometrical configurations are tested as well as several electrical operational conditions. For the majority of the measurements statistical data for the induced flow field...
conference paper 2009
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Akram, M. (author), Bhowmik, S. (author), Jansen, K. (author), Ernst, L.J. (author)
Titanium is one of the most effective materials for structural application of space craft and aviation. Titanium alloys are widely used in solid rocket booster cases, guidance control pressure vessel and other different applications demanding light weight and reliability. Aerospace industry is also a larger market for titanium products and...
conference paper 2010
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Lee, J.I. (author), Kim, C. (author), Kim, K.H. (author)
The purpose of this paper is to develop an accurate analysis code for the flow of arc-heater by employing advanced numerical models. Governing equations are hyperbolic-type axisymmetric Navier-Stokes equations which include joule heating by arc, radiation and turbulent transport effect. Joule heating is simply calculated by Ohm’s law with the...
conference paper 2006
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Lörincz, I. (author), Rugescu, R.D. (author), Kohlenberg, J. (author), Prathaban, M. (author)
The NAPALM project addresses a new and revolutionary space propulsion system, able to deliver a very high specific impulse through a new working fluid and accelerator principle for the electric plasma thruster. The new motor will impressively exceed, by between ten and sixty percent, the vacuum specific impulse of all existing electric and...
conference paper 2010
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Rong, B. (author), Van der Drift, E. (author), Van der Heijden, R.W. (author), Salemink, H.W.M. (author)
We have developed a reliable process to fabricate high quality 2D air-hole and dielectric column InP photonic crystals with a high aspect ratio on a STS production tool using ICP N2+Cl2 plasma. The photonic crystals have a triangular lattice with lattice constant of 400 nm and air-hole and dielectric column radius of 120 nm. Large efforts have...
conference paper 2006
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Avallone, F. (author), Correale, G. (author)
An experimental investigation was conducted on the effective efficiency of a nanosecond Dielectric Barrier Discharge (ns-DBD) plasma actuator. Back-current shunt technique and infrared thermography measurements were carried out at the same time on an upside-down flat plate in a quiescent environment. The only investigated parameter was thickness...
conference paper 2015
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Rajaraman, V. (author), Makinwa, K.A.A. (author), French, P.J. (author)
We present a simple, flexible and low cost MEMS fabrication process, developed using deep reactive ion etching (DRIE) and wafer bonding technologies, for manufacturing in-plane high aspect ratio (HAR) inertial sensors. Among examples, the design and fabrication results of a two axis inertial device are presented. Fabricated device thickness...
conference paper 2008
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Radacsi, N. (author)
Crystallization is one of the oldest separation and product formation techniques that continues to be in use today. Despite its long history, it only started to develop significantly in the past few decades. In this thesis, the application of Process Intensification in crystallization is investigated. Process Intensification is a set of often...
doctoral thesis 2012
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Tang, J. (author)
The majority of Integrated Circuit (IC) devices are encapsulated in wire-bonded plastic IC packages. Epoxy molding compound is used as the encapsulation material and gold was used as the bonding wire material. However, the increase of gold material price from 400 USD/ounce in year 2005 to 1400 USD/ounce in year 2013 results in a major cost issue...
doctoral thesis 2014
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Wank, M.A. (author)
Our modern lifestyle is currently fueled by two billion years of accumulated energy reserves. For several years now there has been a strong rise in research interest and more recently also implementation of renewable energy sources in the European Union. Driving factors for these developments are the increasing awareness of global warming in our...
doctoral thesis 2011
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Andrés de la Fuente, J.I. (author)
doctoral thesis 2007
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Li, Y.X. (author)
doctoral thesis 1995
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Guerriero, G.L. (author)
Environmental regulations are driving the development of new aerospace coating systems, mainly to eliminate chromates and reduce volatile organic compound (VOC) emissions. Among the various potential options for new coating materials, liquid crystalline polymers (LCPs) are attractive due to their unique combination of mechanical properties and...
doctoral thesis 2012
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De Jong, A.T. (author)
doctoral thesis 2012
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Petit, A.M.H.N. (author)
Abstract not available
doctoral thesis 2006
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Blauw, M.A. (author)
This thesis deals with the dry etching of deep anisotropic microstructures in monocrystalline silicon by high-density plasmas. High aspect ratio trenches are necessary in the fabrication of sensitive inertial devices such as accellerometers and gyroscopes. The etching of silicon in fluorine-based plasmas is isotropic. To obtain anisotropy the...
doctoral thesis 2004
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Correale, G. (author)
An experimental investigation about nanosecond Dielectric Barrier Discharge (ns-DBD) plasma actuator is presented in this thesis. This work aimed to answer fundamental questions on the actuation mechanism of this device. In order to do so, parametric studies in a quiescent air as well as laminar bounded of free shear layers were performed....
doctoral thesis 2016
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Akram, M. (author)
Major industrial sectors like automotive, aerospace and others are increasingly using polymer composites in their structural parts. Polyimide sheet and adhesives, are high performance polymers. They are widely used in various engineering applications due to their excellent thermal, mechanical and chemical properties and their resistance to...
doctoral thesis 2015
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