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  1. No Access

    Article

    Excimer laser-induced microbumps on preheated BK7-glass

    Microbumps on BK7-glass are made by nanosecond KrF-excimer laser irradiation. Bumps with heights in the micrometer-range and a diameter of about 20 μm are reproducibly obtained in the case of a preheated glass...

    P. Zahariev, N. Mechkarov, G. Danev, J. Ihlemann in Applied Physics A (2009)

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    Article

    Charge injection into poly[methyl(phenyl)silylene]

    Space-charge-limited currents have been measured in thin films of poly[methyl(phenyl)silylene] provided with Al and hole-injecting ITO electrodes. Electroluminescence observed at high voltages was interpreted ...

    I. Zhivkov, G. Danev, G. Wang, S. Nespurek… in Journal of Materials Science: Materials in… (2003)

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    Article

    Polyimide-matrix-based composite materials

    A polycondensation solid-state-reaction-based polyimide (PI) matrix has been used for composite material formation. Two types of PI matrix have been employed – a bulk PI system prepared by pressing a mixture o...

    G. Danev, J. Assa, I. Jivkov, V. Strijkova… in Journal of Materials Science: Materials in… (2003)

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    Article

    Thin polyimide protective coating for HTS-thin film devices

    To protect the HTS-thin film microwave-frequency passive and active devices from traces of acids and humidity in the atmosphere, the oxide superconductors must be passivated. Electric parameters of the films a...

    T. Donchev, G. Danev, T. Nurgaliev, E. Spassova… in Czechoslovak Journal of Physics (1996)