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document
Wu, M. (author), De Weerdt, M.M. (author), La Poutré, H. (author), Yadati, C. (author), Zhang, Y. (author), Witteveen, C. (author)
conference paper 2009
document
Emadi, A. (author), Wu, H. (author), Grabarnik, S. (author), De Graaf, G. (author), Wolffenbuttel, R.F. (author)
This paper reports on the IC-compatible fabrication of vertically tapered optical layers for use in linear variable optical filters (LVOF). The taper angle is fully defined by a mask design. Only one masked lithography step is required for defining strips in a photoresist with trenches etched therein of a density varying along the length of the...
journal article 2009
document
Chen, P. (author), Wu, M.Y. (author), Salemink, H.W.M. (author), Alkemade, P.F.A. (author)
We report a new method for the fabrication of sub-10 nm nanopores in a fast single process step. The pore formation is accomplished by exploiting the competition between sputtering and deposition in ion-beam-induced deposition (IBID) on a thin membrane. The pore diameter can be controlled by adjusting the ion beam and gas exposure conditions....
journal article 2008
document
Wisselink, H.W. (author), Toirkens, M.J. (author), Wu, Q. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
Lignocellulosic feedstocks are thought to have great economic and environmental significance for future biotechnological production processes. For cost-effective and efficient industrial processes, complete and fast conversion of all sugars derived from these feedstocks is required. Hence, simultaneous or fast sequential fermentation of sugars...
journal article 2008
document
Grabarnik, S. (author), Emadi, A. (author), Wu, H. (author), De Graaf, G. (author), Wolffenbuttel, R.F. (author)
A concept for a highly miniaturized spectrometer featuring a two-component design is presented. The first component is a planar chip that integrates an input slit and aberration-correcting diffraction grating with an image sensor and is fabricated using microelectromechanical systems (MEMS) technologies. Due to the fabrication in a simple MEMS...
journal article 2008
document
Wu, C. (author), Vastenhouw, B. (author), Van der Have, F. (author), Dierckx, R.A. (author), Beekman, F.J. (author)
SPECT imaging with low dose or short acquisition time can lead to very noisy reconstructed images. With the USPECT-II system we study the effect of low-count scans, and 3D Gaussian blurring to suppress statistical errors. Three different groups of short-time cardiac rat scans were derived from a longtime scan. Images were reconstructed and then...
conference paper 2008
document
Narasimha, C.Y. (author), Witteveen, C. (author), Zhang, Y. (author), Wu, M. (author), La Poutré, H. (author)
conference paper 2008
document
Wu, W. (author), Sanduleanu, M.A.T. (author), Li, X. (author), Long, J.R. (author)
journal article 2008
document
Grabarnik, S. (author), Emadi, A. (author), Wu, H. (author), De Graaf, G. (author), Wolffenbuttel, R.F. (author)
This paper reports on the development and validation of a new technology for the fabrication of variable line-spacing non-planar diffraction gratings to be used in compact spectrometers. The technique is based on the standard lithographic process commonly used for pattern transfer onto a flat substrate. The essence of the technology presented...
conference paper 2008
document
Grabarnik, S. (author), Emadi, A. (author), Wu, H. (author), De Graaf, G. (author), Vdovin, G. (author), Wolffenbutter, R.F. (author)
The design and performance of a highly miniaturized spectrometer fabricated using MEMS technologies are reported in this paper. Operation is based on an imaging diffraction grating. Minimizing fabrication complexity and assembly of the micromachined optical and electronic parts of the microspectrometer implies a planar design. It consists of two...
conference paper 2008
document
Grabarnik, S. (author), Emadi, A. (author), Wu, H. (author), De Graaf, G. (author), Vdovin, G. (author), Wolffenbuttel, R.F. (author)
journal article 2008
document
Danneau, R. (author), Wu, F. (author), Craciun, M.F. (author), Russo, S. (author), Tomi, M.Y. (author), Salmilehto, J. (author), Morpurgo, A.F. (author), Hakonen, P.J. (author)
journal article 2008
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Wu, H. (author), Grabarnik, S. (author), Emadi, A. (author), De Graaf, G. (author), Wolffenbuttel, R.F. (author)
journal article 2008
document
Wu, H.C. (author)
In this thesis, a referenced based scaling approach and its parameter extraction for the bipolar transistor model Mextram is proposed. It is mainly based on the physical properties of the Mextram parameters, which scale with the junction temperature and geometry of the bipolar transistor. The scalable electrical parameter in the scaling rules is...
doctoral thesis 2007
document
Botton, G.A. (author), Maunders, C. (author), Shao, Y. (author), Wu, M.Y. (author), Lazar, S. (author), Etheridge, J. (author), Whitfield, H.J. (author)
journal article 2007
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Lin, H. (author), Liang, H. (author), Han, B. (author), Zhong, J. (author), Su, Q. (author), Dorenbos, P. (author), Birowosuto, M.D. (author), Zhang, G. (author), Fu, Y. (author), Wu, W. (author)
journal article 2007
document
Wu, K.C. (author)
The structural response of two variable stiffness composite panels under thermal and mechanical loads are characterized using experiments and analyses. These panels are advanced composite structures where the fiber angle varies continuously within each ply, and are manufactured using an advanced tow placement system. Both variable stiffness...
doctoral thesis 2006
document
Yang, Z.Q. (author), Zhang, Y.Q. (author), Aarts, J. (author), Wu, M.Y. (author), Zandbergen, H.W. (author)
We report the effects of biaxial strain on the charge ordering temperature Tco of the mixed-valent manganite perovskite oxide Pr0.5Ca0.5MnO3. Thin films were grown on SrTiO3, which has a 1.3% larger in-plane lattice parameter. Other substrates were used for comparison. Transport measurements combined with data from electron microscopy show that...
journal article 2006
document
Smeets, R.M.M. (author), Keyser, U.F. (author), Wu, M.Y. (author), Dekker, N.H. (author), Dekker, C. (author)
journal article 2006
document
Guo, W. (author), Qian, X. (author), Blöte, H.W.J. (author), Wu, F.Y. (author)
journal article 2006
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