Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Determination of the graphene-graphite ratio of graphene powder by Raman 2D band symmetry analysis
Roscher, Sarah; Hoffmann, René; Ambacher, Oliver
Journal Article
2019Einfluss der Herstellungsbedingungen auf die mechanische Stabilität asymmetrischer BSCF-Membranen für die Sauerstoff-Bereitstellung
Hoffmann, Robert
: Rettenmayr, Markus (Gutachter); Meulenberg, Wilhelm Albert (Gutachter); Caro, Jürgen
Dissertation
2019Impact of extrusion parameters on the mechanical performance of tubular BSCF-supports for asymmetric oxygen transporting membranes
Hoffmann, Robert; Pippardt, Ute; Kriegel, Ralf
Journal Article
2019Impact of sintering temperature on permeation and long-term development of support structure and stability for asymmetric oxygen transporting BSCF membranes
Hoffmann, Robert; Pippardt, Ute; Kriegel, Ralf
Journal Article
2019Impact of the natural filler babassu on the processing and properties of PBAT/PHB films
Hoffmann, Ron; Morais, Dayanne Diniz Souza; Braz, C.J.F.; Haag, Katharina; Wellen, Renate M.R.; Canedo, Eduardo; Hecker de Carvalho, Laura; Koschek, Katharina
Journal Article
2019Principles and Challenges for Binary Oxide Based Ferroelectric Memory FeFET
Ali, T.; Polakowski, P.; Büttner, T.; Kämpfe, T.; Rudolph, M.; Pätzold, B.; Hoffmann, R.; Czernohorsky, M.; Kühnel, K.; Steinke, P.; Eng, L.M.; Seidel, K.
Conference Paper
2019Principles and Challenges for Binary Oxide Based Ferroelectric Memory FeFET
Ali, T.; Polakowski, P.; Büttner, T.; Kämpfe, T.; Rudolph, M.; Pätzold, B.; Hoffmann, R.; Czernohorsky, M.; Kühnel, K.; Steinke, P.; Eng, L.M.; Seidel, K.
Poster
2018Determination of the flat band potential of nanoparticles in porous electrodes by blocking the substrate-electrolyte contact
Naatz, Hendrik; Hoffmann, Ron; Hartwig, Andreas; Mantia, Fabio la; Pokhrel, Suman; Mädler, Lutz
Journal Article
2018Effect of Babassu natural filler on PBAT/PHB biodegradable blends: An investigation of thermal, mechanical, and morphological behavior
Beber, Vinicius C.; Barros, Silvio de; Banea, Mariana D.; Brede, Markus; Carvalho, Laura H. de; Hoffmann, Ron; Costa, Anna Raffaela M.; Bezerra, Elieba B.; Silva, Ingridy D.S.; Haag, Katharina; Koschek, Katharina; Wellen, Renate M.R.
Journal Article
2018Extrusion of biodegradable PBAT/PHB films reinforced by babassu filler for agricultural and food packaging
Hoffmann, Ron; Morais, D.D.S.; Braz, C.J.F.; Calvacanti, F.B.; Haag, Katharina; Koschek, Katharina; Wellen, R.M.R.; Canedo, E.L.; Carvalho, L.H. de
Conference Paper
2018Graphene as an active virtually massless top electrode for RF solidly mounted bulk acoustic wave (SMR-BAW) resonators
Knapp, Marius; Hoffmann, René; Lebedev, Vadim; Cimalla, Volker; Ambacher, Oliver
Journal Article
2018High Endurance Ferroelectric Hafnium Oxide-Based FeFET Memory Without Retention Penalty
Ali, T.; Polakowski, P.; Riedel, S.; Büttner, T.; Kämpfe, T.; Rudolph, M.; Pätzold, B.; Seidel, K.; Löhr, D.; Hoffmann, R.; Czernohorsky, M.; Kühnel, K.; Steinke, P.; Calvo, J.; Zimmermann, K.; Müller, J.
Journal Article
2018Highly sensitive ELISA for the serological detection of murine rotavirus EDIM based on its major immunogen VP6
Fingas, Felix; Rückner, Antje; Heenemann, Kristin; Volke, Daniela; Sieg, Michael; Bielefeld, Petra; Grunwald, Thomas; Vahlenkamp, Thomas W.; Hassert, Rayk; Hoffmann, Ralf
Journal Article
2018Preparation of inverse nanoparticle-polymer composites by infiltrating monomers in indium tin oxide layers
Hoffmann, Ron; Baric, V.; Naatz, H.; Mädler, L.; Hartwig, Andreas
Conference Paper
2018Silicon doped hafnium oxide (HSO) and hafnium zirconium oxide (HZO) based FeFET
Ali, T.; Polakowski, P.; Riedel, S.; Büttner, T.; Kämpfe, T.; Rudolph, M.; Pätzold, B.; Seidel, K.; Löhr, D.; Hoffmann, R.; Czernohorsky, M.; Kühnel, K.; Thrun, X.; Hanisch, N.; Steinke, P.; Calvo, J.; Müller, J.
Journal Article
2017Progressive spinal cord atrophy in manifest and premanifest Huntington's disease
Wilhelms, W.; Bellenberg, B.; Köster, O.; Weiler, F.; Hoffmann, R.; Gold, R.; Saft, C.; Lukas, C.
Journal Article
2017Verfahren zur Trockenbeschichtung von Trägern
Hoffmann, Robert; Jäger, Benjamin; Pippardt, Ute; Vogel, Andy
Patent
2017Vorrichtung und Verfahren zur Expansion von Graphit zu Graphen
Hoffmann, René; Nebel, Christoph
Patent
2017Wettability investigations and wet transfer enhancement of large-area CVD-graphene on aluminum nitride
Knapp, Marius; Hoffmann, René; Cimalla, Volker; Ambacher, Oliver
Journal Article
2016Automatic path proposal computation for CT-guided percutaneous liver biopsy
Helck, A.; Schumann, C.; Aumann, J.; Thierfelder, K.; Strobl, F.F.; Braunagel, M.; Niethammer, M.; Clevert, D.A.; Hoffmann, R.-T.; Reiser, M.; Sandner, T.; Trumm, C.
Journal Article
2016Protein distribution in lupin protein isolates from Lupinus angustifolius L. prepared by various isolation techniques
Muranyi, Isabel; Volke, Daniela; Hoffmann, Ralf; Eisner, Peter; Herfellner, Thomas; Brunnbauer, Markus; Koehler, Peter; Schweiggert-Weisz, Ute
Journal Article
2015Appropriate salt concentration of nanodiamond colloids for electrostatic self-assembly seeding of monosized individual diamond nanoparticles on silicon dioxide surfaces
Yoshikawa, T.; Zürbig, V.; Gao, F.; Hoffmann, R.; Nebel, C.E.; Ambacher, O.; Lebedev, V.
Journal Article
2015Electrochemical generation of hydrogenated graphene flakes
Zhao, M.; Guo, X.-Y.; Ambacher, O.; Nebel, C.E.; Hoffmann, R.
Journal Article
2015Integration challenges of ferroelectric hafnium oxide based embedded memory (Invited)
Müller, Johannes; Polakowski, Patrick; Paul, Jan; Riedel, Stefan; Hoffmann, Raik; Drescher, Maximilian; Slesazeck, Stefan; Müller, Stefan; Mulaosmanovic, Halid; Schröder, Uwe; Mikolajick, Thomas; Flachowsky, Stefan; Erben, Elke; Smith, Elliot; Binder, Robert; Triyoso, Dina H.; Metzger, Joachim; Kolodinski, Sabine
Conference Paper
2015Investigation of the reliability degradation of scaled SONOS memory transistors
Ocker, J.; Slesazeck, S.; Hoffmann, R.; Beyer, V.; Skouris, A.; Srowik, R.; Buschbeck, S.; Günther, S.; Mikolajick, T.
Conference Paper
2015On the voltage scaling potential of SONOS non-volatile memory transistors
Ocker, J.; Slesazeck, S.; Mikolajick, T.; Buschbeck, S.; Günther, S.; Yurchuk, E.; Hoffmann, R.; Beyer, V.
Conference Paper
2015Towards bridging the gap between motion capturing and biomechanical optimal control simulations
Gail, Tobias; Hoffmann, Ramona; Miezal, Markus; Bleser, Gabriele; Leyendecker, Sigrid
Conference Paper
2014Distribution of ciliated epithelial cells in the trachea of common marmosets (Callithrix jacchus)
Hoffmann, R.; Braun, A.; Knauf, S.; Kaup, F.-J.; Bleyer, M.
Journal Article
2014Impact of scaling on the performance of HfO2-based ferroelectric field effect transistors
Yurchuk, E.; Müller, J.; Paul, J.; Schlösser, T.; Martin, D.; Hoffmann, R.; Müller, S.; Slesazeck, S.; Schroeder, U.; Boschke, R.; Bentum, R. van; Mikolajick, T.
Journal Article
2014Origin of the endurance degradation in the novel HfO2-based 1T ferroelectric non-volatile memories
Yurchuk, E.; Mueller, S.; Martin, D.; Slesazeck, S.; Schroeder, U.; Mikolajick, T.; Müller, J.; Paul, J.; Hoffmann, R.; Sundqvist, J.; Schlösser, T.; Boschke, R.; Bentum, R. van; Trentzsch, M.
Conference Paper
2013Development and characterization of a coronary polylactic acid stent prototype generated by selective laser melting
Flege, C.; Vogt, F.; Höges, S.; Jauer, L.; Borinski, M.; Schulte, V.A.; Hoffmann, R.; Poprawe, R.; Meiners, W.; Jobmann, M.; Wissenbach, K.; Blindt, R.
Journal Article
2013Diamond foam electrodes for electrochemical applications
Kato, H.; Hees, J.; Hoffmann, R.; Wolfer, M.; Yang, N.; Yamasaki, S.; Nebel, C.E.
Journal Article
2013Diamond nanoelectrode arrays for the detection of surface sensitive adsorption
Hees, J.; Hoffmann, R.; Yang, N.; Nebel, C.E.
Journal Article
2013Distribution and morphology of Clara cells in common marmosets (Callithrix jacchus)
Seidel, V.; Hoffmann, R.; Braun, A.; Seehase, S.; Knauf, S.; Kaup, F.-J.; Bleyer, M.
Journal Article
2013From MFM capacitors toward ferroelectric transistors: Endurance and disturb characteristics of HfO2-based FeFET devices
Mueller, S.; Müller, J.; Hoffmann, R.; Yurchuk, E.; Schlösser, T.; Boschke, R.; Paul, J.; Goldbach, M.; Herrmann, T.; Zaka, A.; Schröder, U.; Mikolajick, T.
Journal Article
2013Towards the solid protein surface
Hoffmann, René
: Ambacher, Oliver (Ed.)
Dissertation
2013Towards the solid protein surface
Hoffmann, R.
Dissertation
2012Electrochemistry of nanocrystalline 3C silicon carbide films
Yang, N.; Zhuang, H.; Hoffmann, R.; Smirnov, W.; Hees, J.; Jiang, X.; Nebel, C.E.
Journal Article
2012Ferroelectricity in HfO 2 enables nonvolatile data storage in 28 nm HKMG
Müller, J.; Yurchuk, E.; Schlösser, T.; Paul, J.; Hoffmann, R.; Müller, S.; Martin, D.; Slesazeck, S.; Polakowski, P.; Sundqvist, J.; Czernohorsky, M.; Seidel, K.; Kücher, P.; Boschke, R.; Trentzsch, M.; Gebauer, K.; Schröder, U.; Mikolajick, T.
Conference Paper
2012Fractional surface termination of diamond by electrochemical oxidation
Hoffmann, R.; Obloh, H.; Tokuda, N.; Yang, N.; Nebel, C.E.
Journal Article
2012HfO 2-based ferroelectric field-effect transistors with 260 nm channel length and long data retention
Yurchuk, E.; Müller, J.; Hoffmann, R.; Paul, J.; Martin, D.; Boschke, R.; Schlösser, T.; Müller, S.; Slesazeck, S.; Bentum, R. van; Trentzsch, M.; Schröder, U.; Mikolajick, T.
Conference Paper
2012Nanosecond polarization switching and long retention in a novel MFIS-FET based on ferroelectric HfO2
Müller, J.; Böscke, T.S.; Schröder, U.; Hoffmann, R.; Mikolajick, T.; Frey, L.
Journal Article
2011Akustische Mustererkennung
Tschöpe, C.; Wolff, M.; Hoffmann, R.
Conference Paper
2011Bestimmung der Messunsicherheit im Mikrometer-Bereich - Strategien, Modelle und Einflussfaktoren
Tan, Özgür; Krah, Thomas; Neuschaefer-Rube, Ulrich; Ehrig, Wiebke; Herffurth, Tobias; Schröder, Sven; Lyda, Wolfram; Eigenbrod, Hartmut; Hoffmann, R.; Weißensee, Karina; Apel, Sebastian; Pedrini, Giancarlo; Gaspar, J.; Schrader, Christian; Zschiegner, N.
Book Article
2011The creation of a biomimetic interface between boron-doped diamond and immobilized proteins
Hoffmann, R.; Kriele, A.; Obloh, H.; Tokuda, N.; Smirnov, W.; Yang, N.; Nebel, C.E.
Journal Article
2011Diamond ultra-microelectrode arrays for achieving maximum Faradaic current with minimum capacitive charging
Yang, N.; Smirnov, W.; Hees, J.J.; Hoffmann, R.; Kriele, A.; Obloh, H.; Müller-Sebert, W.; Nebel, C.E.
Journal Article
2011Diamond-modified AFM probes: From diamond nanowires to atomic force microscopy-integrated boron-doped diamond electrodes
Smirnov, W.; Kriele, A.; Hoffmann, R.; Sillero, E.; Hees, J.J.; Williams, O.A.; Yang, N.; Kranz, C.; Nebel, C.E.
Journal Article
2011Influence of metal gate and capping film stress on TANOS cell performance
Czernohorsky, M.; Melde, T.; Beyer, V.; Beug, M.F.; Paul, J.; Hoffmann, R.; Knöfler, R.; Tilke, A.T.
Journal Article, Conference Paper
2011Integrated all-diamond ultramicroelectrode arrays: Optimization of faradaic and capacitive currents
Smirnov, W.; Yang, N.; Hoffmann, R.; Hees, J.; Obloh, H.; Müller-Sebert, W.; Nebel, C.E.
Journal Article
2011Interface properties of cytochrome c on a nano-textured diamond surface
Yang, N.; Hoffmann, R.; Smirnov, W.; Nebel, C.E.
Journal Article
2011Nanocrystalline 3C-SiC electrode for biosensing applications
Yang, N.; Zhuang, Y.; Hoffmann, R.; Smirnov, W.; Hees, J.J.; Jiang, X.; Nebel, C.E.
Journal Article
2011Nanocrystalline diamond nanoelectrode arrays and ensembles
Hees, J.J.; Hoffmann, R.; Kriele, A.; Smirnov, W.; Obloh, H.; Glorer, K.; Raynor, B.; Driad, R.; Yang, N.; Williams, O.A.; Nebel, C.E.
Journal Article
2011Sprachsteuerung für Mess- und Prüfgeräte
Tschöpe, C.; Joneit, D.; Duckhorn, F.; Hoffmann, R.; Strecha, G.; Wolff, M.
Conference Paper
2010Adsorption of cytochrome c on diamond
Hoffmann, R.; Kriele, A.; Kopta, S.; Smirnov, W.; Yang, N.; Nebel, C.E.
Journal Article
2010Analysis of TANOS memory cells with sealing oxide containing blocking dielectric
Beug, M. Florian; Melde, Thomas; Czernohorsky, Malte; Hoffmann, Raik; Paul, Jan; Knöfler, Roman; Tilke, Armin T.
Journal Article
2010Candida albicans CRASP binds anaphylatoxin C3a and inhibits C3a mediated immune effector functions
Kupka, D.; Luo, S.; Hippler, U.-C.; Hoffmann, R.; Hube, B.; Rupp, S.; Zipfel, P.F.
Abstract
2010Characterization of anomalous erase effects in 48 nm TANOS memory cells
Loehr, D.-A.; Hoffmann, R.; Naumann, A.; Paul, J.; Seidel, K.; Czernohorsky, M.; Beyer, V.
Conference Paper
2010Development and evaluation of a novel Poly-L-Lactic acid/caprolactone copolymer coronary stent manufactured by selective laser melting
Vogt, F.; Flege, C.; Hoeges, S.; Borinski, M.; Schulte, V.A.; Hoffmann, R.; Marx, N.; Poprawe, R.; Wissenbach, K.; Blindt, R.
Abstract
2010Diamond nanotextured surfaces for enhanced protein redox activity
Yang, N.; Smirnov, W.; Kriele, A.; Hoffmann, R.; Nebel, C.E.
Journal Article
2010Direct electrochemistry of cytochrome c on nanotextured diamond surface
Yang, N.; Hoffmann, R.; Smirnov, W.; Kriele, A.; Nebel, C.E.
Journal Article
2010Electrochemical hydrogen termination of boron-doped diamond
Hoffmann, R.; Kriele, A.; Obloh, H.; Hees, J.J.; Wolfer, M.; Smirnov, W.; Yang, N.; Nebel, C.E.
Journal Article
2010An empirical model describing the MLC retention of charge trap flash memories
Melde, T.; Hoffmann, R.; Yurchuk, E.; Paul, J.; Mikolajick, T.
Conference Paper
2010Fast automatic path proposal computation for hepatic needle placement
Schumann, C.; Bieberstein, J.; Trumm, C.; Schmidt, D.; Bruners, P.; Niethammer, M.; Hoffmann, R.-T.; Mahnken, A.H.; Pereira, P.L.; Peitgen, H.-O.
Conference Paper
2010Sintering of hierarchically structured ZnO
König, M.; Höhn, S.; Hoffmann, R.; Suffner, J.; Lauterbach, S.; Weiler, L.; Guillon, O.; Rödel, J.
Journal Article
2010Verfahren zur Erhoehung der Speicherhaltezeit von haftstellenbasierten nichtfluechtigen Halbleiterspeicherzellen
Melde, T.; Hoffmann, R.
Patent
2009Akustische Mustererkennung für die ZfP
Tschöpe, C.; Wolff, M.; Hoffmann, R.
Journal Article
2009Analysis of trap mechanisms responsible for Random Telegraph Noise and erratic programming on sub-50nm floating gate flash memories
Seidel, Konrad; Hoffmann, Raik; Löhr, Daniel-Andre; Melde, Thomas; Czernohorsky, Malte; Paul, Jan; Beug, M. Florian; Beyer, Volkhard
Conference Paper
2009Early fault detection at textile machines with the help of structure-borne sound analysis
Pusch, T.; Cherif, C.; Farooq, A.; Wittenberg, S.; Hoffmann, R.; Tschöpe, C.
Journal Article
2009Electrical analysis of unbalanced Flash memory array construction effects and their impact on performance and reliability
Seidel, K.; Müller, T.; Brandt, T.; Hoffmann, R.; Löhr, D.-A.; Melde, T.; Czernohorsky, M.; Paul, J.; Beyer, V.
Conference Paper
2009Fast registration of pre- and peri-interventional CT images for targeting support in radiofrequency ablation of hepatic tumors
Bieberstein, J.; Schumann, C.; Weihusen, A.; Boehler, T.; Wirtz, S.; Bruners, P.; Schmidt, D.; Trumm, C.; Niethammer, M.; Haras, G.; Hoffmann, R.-T.; Mahnken, A.H.; Pereira, P.L.; Peitgen, H.-O.
Conference Paper
2009Fehlerfrüherkennung an Textilmaschinen mit Hilfe Körperschallanalyse
Farooq, A.; Wittenberg, S.; Wolff, M.; Hoffmann, R.; Tschöpe, C.; Pusch, T.; Cherif, C.
Journal Article
2009Improvement of 48 nm TANOS NAND cell performance by introduction of a removable encapsulation liner
Beug, M. Florian; Melde, Thomas; Paul, Jan; Bewersdorff-Sarlette, Ulrike; Czernohorsky, Malte; Beyer, Volkhard; Hoffmann, Raik; Seidel, Konrad; Löhr, Daniel-Andre; Bach, Lars; Knöfler, R.; Tilke, Armin T.
Conference Paper
2008Early fault detection at textile machines with the help of structure-borne sound analysis
Pusch, T.; Cherif, C.; Farooq, A.; Wittenberg, S.; Hoffmann, R.; Tschöpe, C.
Journal Article
2008Experiments in acoustic structural health monitoring of airplane parts
Tschöpe, C.; Schulze, E.; Neunübel, H.; Wolff, M.; Schubert, R.; Hoffmann, R.
Conference Paper
2007Auscultatory blood pressure measurement using HMMs
Wolff, M.; Kordon, U.; Hussein, H.; Eichner, M.; Hoffmann, R.; Tschöpe, C.
Conference Paper
2006Neighbored phosphorylation sites as PHF-tau specific markers in Alzheimer's disease
Singer, D.; Lehmann, J.; Hanisch, K.; Härtig, W.; Hoffmann, R.
Journal Article
2006Towards a workflow oriented software assistance for the radiofrequency ablation
Weihusen, A.; Ritter, F.; Pereira, P.L.; Helmberger T,; Hoffmann, R.-T.; Peitgen, H.-O.
Conference Paper
2005Klassifikation technischer Signale für die Geräuschdiagnose von Maschinen und Bauteilen
Tschöpe, C.; Hirschfeld, D.; Hoffmann, R.; Hentschel, D.; Frankenstein, B.
Conference Paper
2005Vorrichtung und Verfahren zur Beurteilung einer Gueteklasse eines zu pruefenden Objekts
Hentschel, D.; Tschoepe, C.; Hoffmann, R.; Eichner, M.; Wolff, M.
Patent
2004Coronabehandlung von LDPE-Folien: Oberflächenanalyse und in situ
Kiesow, A.; Teuscher, N.; Heilmann, A.; Meinhard, J.; Hoffmann, R.; Baumann, D.
Conference Paper
2003Industrielle Coronabehandlung von LDPE-Folien - Nachweismethoden der Oberflächenmodifizierung
Kiesow, A.; Teuscher, N.; Heilmann, A.; Meinhardt, J.; Hoffmann, R.; Baumann, D.
Conference Paper
2002X-ray single-crystal studies of ZrRhGa, HfRhGa, and ZrRh/sub 0.710(4)/In
Zumdick, M.F.; Pöttgen, R.; Zaremba, V.I.; Hoffmann, R.-D.
Journal Article
2001The stannides RERhSn (RE = Ho - Yb) and ScTSn (T = Pd, Pt) - structure refinements and Sn-119 Mössbauer spectroscopy
Mishra, R.; Pottgen, R.; Hoffmann, R.D.; Trill, H.; Mosel, B.D.; Piotrowski, H.; Zumdick, M.F.
Journal Article
2000Radiation response of Ga(x)In(1-x)As solar cells
Walters, R.J.; Messenger, S.R.; Summers, G.P.; Bett, A.W.; Dimroth, F.; Hoffmann, R.-W.; Stan, M.A.; Takamoto, T.; Ikeda, E.; Imaizumi, M.; Anzawa, O.; Matsuda, S.
Conference Paper
2000Structure, chemical bonding, and properties of ZrIn2, IrIn2, and Ti3Rh2In
Zumdick, M.F.; Landrum, G.A.; Dronskowski, R.; Hoffmann, R.-D.; Pöttgen, R.
Journal Article
1999Fahrzeugdesign und Umweltrelevanz - Erfahrungen mit Life Cycle Engineering
Saur, K.; Stichling, J.; Hoffmann, R.; Finkbeiner, M.; Eyerer, P.
Journal Article
1999Multilingual speech synthesis for car application
Hoffmann, R.; Kordon, U.; Holland, H.-J.; Netz, S.
Conference Paper
1998Fahrzeugdesign und Umweltrelevanz - Erfahrungen mit Life Cycle Engineering
Saur, K.; Stichling, J.; Hoffmann, R.; Finkbeiner, M.; Eyerer, P.
Journal Article
1998Fahrzeugdesign und Umweltrelevanz - Erfahrungen mit Life Cycle Engineering
Hoffmann, R.; Stichling, J.; Finkbeiner, M.; Saur, K.; Eyerer, P.
Journal Article
1998How to handle uncertainties and assumptions in interpreting LCA results
Saur, K.; Finkbeiner, M.; Hoffmann, R.; Eyerer, P.; Schöch, H.; Beddies, H.
Conference Paper
1998The spatial dimension in life cycle assessments
Finkbeiner, M.; Saur, K.; Hoffmann, R.; Gediga, J.; Kreißig, J.; Eyerer, P.
Conference Paper
1998Total life cycle assessment as a decision supporting tool. Demonstration for airbag components
Saur, K.; Hoffmann, R.; Gabriel, R.; Eyerer, P.; Hirth, T.; Ziegahn, K.-F.; Eisenreich, N.; Schmid, H.
Conference Paper
1991ARGUS - ein neu entwickeltes Phased-Array-Gerät für den Nachweis und die Analyse von Werkstoffehlern
Hoffmann, R.; Gebhardt, W.; Walte, F.
Conference Paper
1990Bewertung der Ultraschallanzeigen bei der LLT-Technik
Hoffmann, R.; Gebhardt, W.; Walte, F.
Conference Paper
1990Zur Problematik der Teifenvermessung von Oberflächenrissen mit Ultraschallprüfköpfen
Hoffmann, R.; Gebhardt, W.; Walte, F.
Conference Paper
1990Zur Problematik der Tiefenbestimmung von Oberflächenrissen mit Ultraschallprüfköpfen
Hoffmann, R.; Gebhardt, W.; Walte, F.
Journal Article
1989NDT of vertical orientated cracks by mode conversion with optimized LLT probes
Hoffmann, R.; Gebhardt, W.; Walte, F.
Conference Paper
1988Ultraschallprüfung auf senkrecht orientierte Risse durch Ausnutzung der Wellenumwandlung -Tandemersatzprüfung-
Hoffmann, R.; Gebhardt, W.; Walte, F.
Conference Paper
1986Vorrichtung zum Kuehlen optoelektronischer Bauelemente
Riedel, W.; Wissler, R.; Wolf, H.; Knothe, M.; Grisar, R.; Hoffmann, R.
Patent