Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2012A versatile indirect detector design for hard X-ray microimaging
Douissard, Paul Antoine; Cecilia, Angelica; Rochet, X.; Chapel, X.; Martin, Thierry G.; Kamp, Thomas van de; Helfen, Lukas; Baumbach, Tilo; Luquot, Linda; Xiao, X.; Meinhardt, Jürgen; Rack, Alexander
Journal Article
2009Moderne 2-D und 3-D abbildende Röntgenverfahren mit Synchrotronstrahlung
Baumbach, T.; Santos Rolo, T. dos; Ershov, A.; Helfen, L.; Lübbert, D.; Modregger, P.; Pelliccia, D.; Vagovic, P.; Xu, F.
Journal Article
2008Analysis of spatial cross-correlations in multi-constituent volume data
Rack, A.; Helfen, L.; Baumbach, T.; Kirste, S.; Banhart, J.; Schladitz, K.; Ohser, J.
Journal Article
2006Crystallite misorientation analysis in semiconductor wafers and ELO samples by rocking curve imaging
Mikulik, P.; Lübbert, D.; Pernot, P.; Helfen, L.; Baumbach, T.
Conference Paper, Journal Article
2006Investigation of hybrid pixel detector arrays by synchrotron-radiation imaging
Helfen, L.; Myagotin, A.; Pernot, P.; DiMichiel, M.; Mikulik, P.; Berthold, A.; Baumbach, T.
Conference Paper, Journal Article
2006Microsystem and microelectronic devices investigated by synchrotron-radiation imaging techniques
Helfen, L.; Myagotin, A.; Baumbach, T.; Dimichel, M.; Kröning, M.
Conference Paper
2005'In-situ' observation of dynamical diffraction by means of Medipix2 sensor crystal fulfilling Bragg condition
Mitschke, M.; Pernot, P.; Helfen, L.; Scherzer, S.; Zwerger, A.; Baumbach, T.
Conference Paper, Journal Article
2005Distribution and Burgers vectors of dislocations in semiconductor wafers investigated by rocking-curve imaging
Lübbert, D.; Ferrari, C.; Mikulik, P.; Pernot, P.; Helfen, L.; Verdi, N.; Korytar, D.; Baumbach, T.
Journal Article
2005High-resolution three-dimensional imaging of flat objects by synchrotron-radiation computed laminography
Helfen, L.; Baumbach, T.; Mikulik, P.; Kiel, D.; Pernot, P.; Cloetens, P.; Baruchel, J.
Journal Article
2005Investigation of pore initiation in metal foams by synchrotron-radiation tomography
Helfen, L.; Baumbach, T.; Pernot, P.; Cloetens, P.; Stanzick, H.; Schladitz, K.; Banhart, J.
Journal Article
2005Local wing tilt analysis of laterally overgrown GaN by x-ray rocking curve imaging
Lübbert, D.; Baumbach, T.; Mikulik, P.; Pernot, P.; Helfen, L.; Köhler, R.; Katona, T.M.; Keller, S.; DenBaars, S.P.
Journal Article
2005Three-dimensional imaging of cement microstructure evolution during hydration
Helfen, L.; Dehn, F.; Mikulik, P.; Baumbach, T.
Journal Article
2004Investigation of the structure, formation and properties of porous, cellular and low-density materials with synchrotron-radiation imaging
Helfen, L.
Dissertation
2004Micro- and nano-NDE in the laboratory for acoustic diagnosis and quality assurance EADQ Dresden
Köhler, B.; Schreiber, J.; Bendjus, B.; Herms, M.; Melov, V.; Helfen, L.; Mikulik, P.; Baumbach, T.
Conference Paper
2004Synchrotron-radiation X-ray tomography: A method for the 3D verification of cement microstructure and its evolution during hydration
Helfen, L.; Dehn, F.; Mikulik, P.; Baumbach, T.
Conference Paper
2003Determination of structural properties of light materials - by three-dimensional synchotron-radiation imaging and image analysis
Helfen, L.; Baumbach, T.; Ohser, J.; Schladitz, K.
Journal Article
2003Investigation of the foaming process of metals by synchrotron-radiation imaging
Helfen, L.; Stanzick, H.; Ohser, J.; Schladitz, K.; Rejmankova-Pernot, P.; Banhart, J.; Baumbach, T.
Conference Paper
2002Advanced x-ray imaging techniques for semiconductor wafer characterisation
Baumbach, T.; Mikulik, P.; Korytar, D.; Pernot, P.; Lubbert, D.; Helfen, L.; Herms, M.; Landesberger, C.
Conference Paper
2002Process control in aluminium foam producing using real-time X-ray radioscopy
Stanzick, H.; Wichmann, M.; Weise, J.; Banhart, J.; Helfen, L.; Baumbach, T.
Journal Article
2002Process control in aluminum foam production using real-time x-ray radioscopy
Stanzick, H.; Wichmann, M.; Weise, J.; Helfen, L.; Baumbach, T.; Banhart, J.
Journal Article
2002Viewing the early stage of metal foam formation by computed tomography using synchrotron radiation
Helfen, L.; Baumbach, T.; Stanzick, H.; Banhart, J.; Elmoutaouakkil, A.; Cloetens, P.
Journal Article
2001Metal foam evolution studied by synchrotron radioscopy
Banhart, J.; Stanzick, H.; Helfen, L.; Baumbach, T.
Journal Article
2001New dimension in radioscopic quality inspection for microelectronics and packaging
Baumbach, T.; Helfen, L.; Hanke, R.
Conference Paper
2001Real-time observation of aluminium foam sandwich production by synchrotron radioscopy
Banhart, J.; Stanzick, H.; Helfen, L.; Baumbach, T.
Journal Article
2001Real-time X-ray investigation of aluminium foam sandwich production
Banhart, J.; Stanzick, H.; Helfen, L.; Baumbach, T.; Nijhof, K.
Journal Article
2001Size-dependent grain-growth kinetics observed in nanocrystalline Fe
Krill, C.; Helfen, L.; Michels, D.; Natter, H.; Fitch, A.; Masson, O.; Birringer, R.
Journal Article
2001Viewing the early stage of foam formation by high-resolution computed tomography
Helfen, L.; Baumbach, T.; Stanzick, H.; Banhart, J.; Elmoutaouakkil, A.; Cloetens, P.; Schladitz, K.
Conference Paper
2000High resolution quality inspection for microelectronics and packaging by X-ray scattering and imaging techniques using synchrotron radiation
Baumbach, T.; Hönig, V.; Helfen, L.; Lübbert, D.
Conference Paper
2000High-Resolution Radioscopy and Tomography for Light Materials and Devices
Helfen, L.; Baumbach, T.; Banhart, J.; Stanzick, H.; Cloetens, P.; Ludwig, W.; Baruchel, J.
Conference Paper
2000Holographische Tomographie und mikrometeraufgelöste Diffraktometrie
Baumbach, T.; Lübbert, D.; Helfen, L.; Ludwig, W.; Baruchel, J.
Conference Paper
2000In-situ monitoring of metal foam evolution and decay
Stanzick, H.; Banhart, J.; Helfen, L.; Baumbach, T.
Conference Paper
2000In-situ observation of the foaming process in aluminium by means of x-ray radioscopy
Stanzick, H.; Banhart, J.; Helfen, L.; Baumbach, T.
Conference Paper
2000A New Method for Non-Destrucitve Testing: Phase Contrast Radiography and Tomography (Holo-Tomography)
Baumbach, T.; Helfen, L.; Boller, E.; Cloetens, P.; Kröning, M.
Journal Article
1999Phasenkontrastradiographie und -tomographie, eine neue Methode für die Mikro-ZfP
Baumbach, T.; Helfen, L.; Boller, E.; Ludwig, W.; Cloetens, P.
Conference Paper