Patents by Inventor Huihua Xu

Huihua Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Positive microcontact printing
    Patent number: 9575226
    Abstract: A process for positive microcontact printing, including inking a patterned mold with a thiol; contacting the mold with a metal surface of a substrate; backfilling the metal surface with a solution containing an aromatic amine to form a backfilling layer; etching the metal surface of the substrate; and rinsing the substrate to remove the backfilling layer.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: February 21, 2017
    Assignee: THE CHINESE UNIVERSITY OF HONG KONG
    Inventors: Shih-Chi Chen, Ni Zhao, Huihua Xu, Xi Zhou
  • POSITIVE MICROCONTACT PRINTING
    Publication number: 20160085000
    Abstract: A process for positive microcontact printing, including inking a patterned mold with a thiol; contacting the mold with a metal surface of a substrate; backfilling the metal surface with a solution containing an aromatic amine to form a backfilling layer; etching the metal surface of the substrate; and rinsing the substrate to remove the backfilling layer.
    Type: Application
    Filed: September 22, 2014
    Publication date: March 24, 2016
    Inventors: Shih-Chi Chen, Ni Zhao, Huihua Xu, Xi Zhou