The Atomic Force Microscope (AFM) has revealed itself as a reliable tool for characterizing sur face topography with nanometer resolution. In principle, a sharp tip mounted on a cantilever is brought into close proximity of a sample surface. The forces acting between the sample and the tip slightly deflect the cantilever. Scanning across the surface while recording this deflection provides a topographic image of the sample. As in most space experiments, performing microscopy measurements on a planetary mission requires a good trade-off between the experiment's weight and size and the quality and relevance of the measured data. A plain optical setup with acceptable size and weight for a space launch will provide images with limited resolution. Thus, atomic force microscopy with a well designed instrument can be complementary to an optical setup for increasing image resolution and getting higher scientific throughput. At the first glance, high sensitivity and required interaction between the instrument and the operator render the AFM unsuitable for planetary missions. However, micro-fabrication technology combined with innovative design ideas allowed us to build an error tolerant system with functionality for addressing the above mentioned challenges.


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    Title :

    Miniaturized atomic force microscope for planetary exploration


    Additional title:

    Miniaturisiertes Atomkraftmikroskop zur planetarischen Erkundung


    Contributors:
    Gautsch, S. (author) / Staufer, U. (author) / Akiyama, T. (author) / Hidber, H.R. (author) / Tonin, A. (author) / Howald, L. (author) / Müller, D. (author) / Niedermann, P. (author) / Rooij, N.F. de (author)


    Publication date :

    2001


    Size :

    6 Seiten, 11 Bilder, 6 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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