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  1. No Access

    Article

    “LIGA2.X” process for mass production of single polymeric LIGA micro parts

    The new modification of the LIGA process “LIGA2.X” is a promising process chain to replicate high accuracy single polymeric LIGA micro parts in large scale to feasible costs. The advantages of this new approa...

    J. Heneka, M. Guttmann, K. Plewa, J. Mohr, T. Hanemann… in Microsystem Technologies (2014)

  2. No Access

    Article

    Ensuring repeatability in LIGA mold insert fabrication

    As of today, four products with LIGA parts are commercially available: microParts’ spectrometer, mechanical drives by micromotion and Faulhaber and an optical fiber connector by Spinner. This indicates that LI...

    J. Schulz, K. Bade, M. Guttmann, L. Hahn, A. Janssen, U. Köhler… in Microsystem Technologies (2004)

  3. No Access

    Article

    Ensuring repeatability in LIGA mold insert fabrication

    As of today, four products with LIGA parts are commercially available: microParts’ spectrometer, mechanical drives by micromotion and Faulhaber and an optical fiber connector by Spinner. This indicates that LI...

    J. Schulz, K. Bade, M. Guttmann, L. Hahn, A. Janssen, U. Köhler… in Microsystem Technologies (2004)

  4. No Access

    Article

    Preconcentration and voltammetric behaviour of Ag+ at carbon paste electrodes modified by N-benzoyl-N′,N′-di-i-butyl-thiourea

    The preconcentration of silver at carbon paste electrodes (CPE) modified with N-benzoyl-N′,N′-di-i-butyl-thiourea and its subsequent voltammetric determination is studied with test solutions. The preconcentrat...

    M. Guttmann, K.-H. Lubert, L. Beyer in Fresenius' Journal of Analytical Chemistry (1996)

  5. No Access

    Article

    The thermodynamics of interactive co-segregation of phosphorus and alloying elements in iron and temper-brittle steels

    The thermodynamics of co-segregation and precipitation of P and alloying elements (transition metals M and carbon) involved in temper embrittlement of steels are studied quantitatively on the basis of the regu...

    M. Guttmann, Ph. Dumoulin, M. Wayman in Metallurgical Transactions A (1982)

  6. No Access

    Article

    Temper embrittlement and intergranular segregation of antimony: A quantitative analysis performed with the backscattering of energetic ions

    The intergranular segregation of antimony associated with temper embrittlement in a low carbon manganese steel was quantitatively studied through the backscattering of MeV12C12+ and1214N12+ ions. The principles o...

    M. Guttmann, P. R. Krahe, F. Abel, G. Amsel, M. Bruneaux… in Metallurgical transactions (1974)

  7. No Access

    Article

    Some applications of nuclear microanalysis to metallurgy

    G. Amsel, D. David, F. Abel, M. Bruneaux, C. Cohen… in Journal of Radioanalytical Chemistry (1972)