Patents by Inventor Hong Zuang

Hong Zuang 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).

  • Publication number: 20040175653
    Abstract: A composition that comprises a photopolymerizable compound containing at least two pendant unsaturated groups; at least one ethylenically unsaturated photopolymerizable polyalkylene oxide hydrophilic monomer; at least one nonionic surfactant; and at least one photoinitiator is provided. The composition also preferably contains at least one amine modified acrylic oligomer and a dye. Other conventional photoresist components such as photosensitizers, adhesion promoters, leveling agents and solvents may also be included in the composition. Such compositions are useful for forming a pattern on a substrate, such as patterning microlithographic circuits on a substrate.
    Type: Application
    Filed: February 27, 2003
    Publication date: September 9, 2004
    Inventors: Hong Zuang, Joseph E. Oberlander, Ping-Hung Lu, Stanely F. Wanat, Robert R. Plass