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Interfacial convective assembly for high aspect ratio structures without surface treatment

  • US 10,329,139 B2
  • Filed: 06/07/2011
  • Issued: 06/25/2019
  • Est. Priority Date: 06/08/2010
  • Status: Active Grant
First Claim
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1. A method for depositing colloidal particles onto a substrate comprising:

  • (a) providing a substrate having a surface;

    (b) depositing a first fluid onto the surface of the substrate to form a first layer;

    (c) depositing an aqueous dispersion of colloidal particles as a second layer on top of the first layer to form a two-layered fluid system;

    (d) optionally covering the second layer with a cover so as to form an assembly comprising a sandwich of the first and second layers between the substrate and the cover;

    (e) removing the first layer; and

    (f) removing water from the second layer, leaving a layer of colloidal particles on the surface of said substrate.

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