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14 Result(s)

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  1. No Access

    Article

    Influence of Ta-based Diffusion Barriers on the Microstructure of Copper Thin Films

    Copper represents the most commonly used interconnect material in ultra large-scale integration (ULSI) technology. Given that the successful implementation of Cu requires the use of underlying diffusion barrie...

    M. Stangl, A. Fletcher, J. Acker, H. Wendrock, K. Wetzig in Journal of Electronic Materials (2007)

  2. No Access

    Article

    A novel copper damascene technique for power loaded SAW structures

    The damage of finger electrodes of surface acoustic wave (SAW) structures due to material transport (acoustomigration) forming voids and hillocks is strongly associated with the SAW stress field, the temperatu...

    S. B. Menzel, M. Albert, D. Reitz, H. Wendrock… in MRS Online Proceedings Library (2004)

  3. No Access

    Article

    In-Situ Electromigration Damage of Al Interconnect Lines and the Influence of Grain Orientation

    In this work the authors want to report some experiments concerning unpassivated Al interconnect lines of 8 and 1.4 microns width which have been damaged by in-situ electromigration in the SEM (temperature 230...

    A. Buerke, H. Wendrock, T. KÖtter, S. Menzel, K. Wetzig… in MRS Online Proceedings Library (1999)

  4. No Access

    Article

    Fractal microstructures in hydrating cement paste

    A. Heinemann, H. Hermann, K. Wetzig, F. Häussler… in Journal of Materials Science Letters (1999)

  5. No Access

    Article

    Fracture chemistry of δ-Al2O3 (Saffil) fibres in an MgLi matrix environment

    Fracture surfaces of δ-Al2O3 (Saffil) fibres embedded in an Mg-8 wt% Li matrix by the pressure infiltration process were investigated by in situ Auger electron spectroscopy to study the chemistry of embrittlement...

    S KUDELA, V GERGELY, S BAUNACK, A JOHN, S OSWALD, K WETZIG in Journal of Materials Science (1997)

  6. No Access

    Article

    Phase transformations of δAl2O3 (Saffil) fibres during their interaction with molten MgLi alloys

    The phase transformation of δAl2O3 occurring in Saffil fibres during their infiltration with molten Mg-8 wt% Li alloy was studied by secondary ion mass spectroscopy, X-ray diffraction and infrared spectroscopy me...

    S. Kúdela, V. Gergely, L. Smrčok, S. Oswald, S. Baunack… in Journal of Materials Science (1996)

  7. No Access

    Article

    Compatibility between PAN-based carbon fibres and Mg8Li alloy during the pressure infiltration process

    The interaction of PAN-based T800H type carbon fibres, which had been coated with (i) pyrocarbon and (ii) pyrocarbon+SiC protective layers, was studied by means of SEM, energy-dispersive X-ray analysis and Aug...

    S. Kudela, V. Gergely, E. Jänsch, A. Hofmann, S. Baunack… in Journal of Materials Science (1994)

  8. No Access

    Article

    Simulation of disruption loads on first-wall high-temperature materials

    The behaviour of carbon materials under thermal load in fusion reactors has been simulated by laser-pulse irradiation in a scanning electron microscope (SEM). In this way material damage, such as thermal shock...

    K. Wetzig, S. Menzel, U. Rossek, B. Schultrich in Journal of Materials Science (1994)

  9. No Access

    Article

    The δ-Al2O3 (Saffil) fibre degradation during infiltration with MgLi alloy

    The chemical and phase transformations of δ-Al2O3 (Saffil) fibres during their infiltration with Mg-8 wt% Li were studied by scanning and transmission electron microscopy, Auger electron spectroscopy, secondary i...

    S. Kúdela, V. Gergely, A. Schweighofer, S. Baunack… in Journal of Materials Science (1994)

  10. No Access

    Article

    In situ production and defect characterization of laser PVD layers from YBaCuO HTSC targets inside a scanning electron microscope

    In situ generation and defect characterization of YBa2Cu3O7−x layers are carried out inside a scanning electron microscope (SEM) to investigate the process of pulsed laser PVD. A Nd-glass laser with a wavelengt...

    S. Menzel, K. Wetzig in Journal of Materials Science: Materials in Electronics (1992)

  11. No Access

    Article

    In situ laser irradiation of WC-Co hard metals inside a scanning electron microscope

    Cemented carbides with higher binder contents were irradiated with a CO2-pulse laser within a SEM to investigate the structural development in more detail. The decisive medium is the melting binder which dissolve...

    H. Müller, K. Wetzig, B. Schultrich, S. M. Pimenov… in Journal of Materials Science (1990)

  12. No Access

    Article

    In situ laser irradiation of WC-Co hardmetals inside an SEM

    Samples of WC-6% Co hardmetals were irradiated with a pulsed CO2 laser inside a scanning electron microscope in order to study the mechanisms and development of surface modification in microscopic detail. The pho...

    H. Mueller, K. Wetzig, B. Schultrich, S. M. Pimenov… in Journal of Materials Science (1989)

  13. No Access

    Article

    Investigation of laser irradiation of WC-Co cemented carbides inside a scanning electron microscope (LASEM)

    A combination of scanning electron microscope and laser enables direct observation of structural modifications by a high-energy input. With this new device melting phenomena and fracture processes in a WC-6% C...

    B. Schultrich, K. Wetzig in Journal of Materials Science (1987)

  14. No Access

    Article

    Mechanical properties and structural regularities of deformation and fracture of amorphous iron — Nickel base alloys

    V. P. Alekhin, V. Pompe, K. Wetzig, V. Grabner… in Metal Science and Heat Treatment (1982)