Apparatus and Method for Electrospinning Nanofibers
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Jan 7, 2011
filing date -
Jan 7, 2010
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Abandoned
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Abstract
Nanofiber electroprocessing apparatus comprising a conductive stylus having a 5 to 250 nm diameter tip; a collector spaced below the tip; a continuous supply of flowable polymer to the tip, and a power supply for creating a potential difference between the tip and the collector sufficient to produce a nanofiber. The conductive stylus may comprise an atomic force microscope (AFM) tip and may further be mounted within an AFM scanning holder having a mechanism for moving the tip. A method of electroprocessing a nanofiber comprises providing the conductive stylus, such as an AFM tip, providing a collector below the tip, supplying the tip with the flowable polymer, energizing the tip to create a potential difference between the tip and the collector, and thereby producing the nanofiber. Systems and methods for using nanofibers so created may be used for anticounterfeiting or object identification.
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