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  • Method and apparatus for attaching nanostructure-containing material onto a sharp tip of an object and related articles
    Patent number: 7887689
    Abstract: A method for attaching nanostructure-containing material onto a sharp tip of an object includes forming a suspension of pre-formed nanostructure-containing material in a liquid medium. An electrode is immersed in the suspension. The sharp tip of the object is arranged to be in contact with the suspension. A voltage is applied to the immersed electrode and to the sharp tip. The nanostructure-containing material attaches to the sharp tip of the object.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: February 15, 2011
    Assignees: The University of North Carolina at Chapel Hill, Xintek, Inc.
    Inventors: Otto Z. Zhou, Bo Gao, Guozhen Yue, Soojin Oh