Near-field aperture probes with high optical transmittance efficiency for optical recording and multi-probes with a metal wire as a heater for thermal recording are batch-fabricated by silicon micromachining. The aperture with diameter sizes from 10 to 500 nm at the apex of a SiO/sub 2/ tip on a Si cantilever is fabricated using a "Low temperature Oxidation & Selective Etching" technique. The SiO/sub 2/ tip is formed by nonuniform Si wet oxidation at 950/spl deg/C. The aperture is created at the apex of SiO/sub 2/ tip by selective etching SiO/sub 2/ in a buffered-HF. The aperture shows a high optical transmittance because the SiO/sub 2/ tip has a large opening angle. This fabrication technique is extended to fabricate a metal nanowire at the apex of the SiO/sub 2/ tip by embedding a metal into the aperture. By flowing a current into the metal wire, the tip can be heated. This probe array is fabricated, and the basic characteristics are evaluated.


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    Titel :

    Micromachined probe for high density data storage


    Beteiligte:
    Ono, T. (Autor:in) / Phan Ngoc Minh, (Autor:in) / Dong-Weon Lee, (Autor:in) / Esashi, M. (Autor:in)


    Erscheinungsdatum :

    2001-01-01


    Format / Umfang :

    271927 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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