Search Results - "Ehrfeld, W."

State-of-the-art in microreaction technology: concepts, manufacturing and applications by Löwe, H, Ehrfeld, W

“…Microreactors as a novel concept in chemical technology enable the introduction of new reaction procedures in chemistry, molecular biology and pharmaceutical…”
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Direct fluorination of toluene using elemental fluorine in gas/liquid microreactors by Jähnisch, K., Baerns, M., Hessel, V., Ehrfeld, W., Haverkamp, V., Löwe, H., Wille, Ch, Guber, A.

“…Direct fluorination of toluene, pure or dissolved in either acetonitrile or methanol, using elemental fluorine was investigated in gas/liquid microreactors,…”
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Deep X-ray lithography for the production of three-dimensional microstructures from metals, polymers and ceramics by Ehrfeld, W., Lehr, H.

“…In recent years the LIGA technique evolved as a basic fabrication process for the production of a large variety of microstructure products utilizing metals,…”
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Utilization of Micromixers for Extraction Processes by Benz, K., Jäckel, K.-P., Regenauer, K.-J., Schiewe, J., Drese, K., Ehrfeld, W., Hessel, V., Löwe, H.

“…The aim of the investigation was to evaluate the extraction performance of a mixer settler set‐up for miniplant technology using static micromixers as an…”
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Fabrication of photonic crystals by deep x-ray lithography by Feiertag, G., Ehrfeld, W., Freimuth, H., Kolle, H., Lehr, H., Schmidt, M., Sigalas, M. M., Soukoulis, C. M., Kiriakidis, G., Pedersen, T., Kuhl, J., Koenig, W.

“…We have developed a new microfabrication technique for the construction of three-dimensional photonic crystals. In particular, we used multiple tilted x-ray…”
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Specific bio-recognition reactions observed with an integrated Mach–Zehnder interferometer by Weisser, M., Tovar, G., Mittler-Neher, S., Knoll, W., Brosinger, F., Freimuth, H., Lacher, M., Ehrfeld, W.

“…The combination of an integrated Mach–Zehnder-interferometer (iMZI) at the bottom of a fluidic microchannel system with supramolecular interfacial binding…”
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Fabrication technologies for microsystems utilizing photoetchable glass by Dietrich, T.R., Ehrfeld, W., Lacher, M., Krämer, M., Speit, B.

“…Photoetchable glass is a very promising material for the production of components for a wide variety of microsystems. High aspect ratio microstructures can be…”
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Materials of LIGA technology by EHRFELD, W, HESSEL, V, LÖWE, H, SCHULZ, C, WEBER, L

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Electrochemistry and microsystems by Ehrfeld, Wolfgang

“…Electrochemistry takes a key position in products and manufacturing processes of microtechnology, which has established a multi-billion dollar market with…”
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Strategies for size reduction of microreactors by heat transfer enhancement effects by Hardt, S., Ehrfeld, W., Hessel, V., Bussche, K. M. Vanden

“…One of the likely aims of reactor miniaturization in the field of chemical production and energy generation is to increase the conversion to the desired…”
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Combination of excimer laser micromachining and replication processes suited for large scale production by Arnold, J., Dasbach, U., Ehrfeld, W., Hesch, K., Löwe, H.

“…Results are reported obtained by a process sequence comprising excimer laser ablation of microstructures, inverse replication by an electroplating process and…”
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Micromachined aperture probe tip for multifunctional scanning probe microscopy by Abraham, Michael, Ehrfeld, W, Lacher, Manfred, Mayr, Karsten, Wilfried Noell, Güthner, Peter, Barenz, J

“…The paper presents a new concept of a micromachined integrated sensor for combined atomic force/near-field optical microscopy. The sensor consists of a…”
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Multifunctional AFM/SNOM cantilever probes: Fabrication and measurements by Stopka, M., Drews, D., Mayr, K., Lacher, M., Ehrfeld, W., Kalkbrenner, T., Graf, M., Sandoghdar, V., Mlynek, J.

“…The microfabrication process for cantilever probes for combined atomic force (AFM) and scanning near-field optical microscopy (SNOM) is described. The probes…”
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Electrostatically operated micromirrors for Hadamard transform spectrometer by Diehl, T., Ehrfeld, W., Lacher, M., Zetterer, T.

“…The paper presents the development of a linear micromirror array which can be used as a switchable entrance mask for a double-array Hadamard transform…”
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Synthesis of Polysulfides Containing the Triazeno Group and Their Application as Photoresists in Excimer Laser Polymer Ablation by Nuyken, O, Dahn, U, Ehrfeld, W, Hessel, V, Hesch, K, Landsiedel, J, Diebel, J

“…Two bifunctional unsaturated monomers containing the photosensitive triazene group were synthesized and reacted with dithiols. A radical polyaddition afforded…”
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Highly parallel mass fabrication and assembly of microdevices by EHRFELD, W, BEGEMANN, M, BERG, U, LOHF, A, MICHEL, F, NIENHAUS, M

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Microsystem technology: Between research and industrial application by Abraham, M., Ehrfeld, W., Hessel, V., Kämper, K.P., Lacher, M., Picard, A.

“…Microsystemtechnology is defined in comparison to microelectronics. The development of dedicated microfabrication technologies is summarized and recent…”
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Miniaturized plastic micro plates for applications in HTS by NIGGEMANN, M, EHRFELD, W, WEBER, L, GÜNTHER, R, SOLLBÖHMER, O

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Accuracy of structure transfer in deep X-ray lithography by Feiertag, G., Ehrfeld, W., Lehr, H., Schmidt, A., Schmidt, M.

“…Deep X-ray lithography with synchrotron radiation (DXRL) constitutes the key microfabrication process step in the LIGA technology. Microcomponents with a…”
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Investigation of the adhesive strength of PMMA structures on substrates obtained by deep X-ray lithography by Schmidt, A., Clifton, A., Ehrfeld, W., Feiertag, G., Lehr, H., Schmidt, M.

“…The adhesive strength of PMMA structures obtained by deep X-ray lithography with synchrotron radiation is a decisive factor for effective structure replication…”
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