Patents by Inventor Si Ty

Si Ty 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).

  • Integrated nozzle member and tab circuit for inkjet printhead
    Patent number: 5442384
    Abstract: In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices. The nozzle member also has formed on it conductive traces for supplying electrical signals to heating elements on a substrate mounted to a surface of the nozzle member. In a preferred method, the orifices are formed by Excimer laser ablation.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: August 15, 1995
    Assignee: Hewlett-Packard Company
    Inventors: Christopher A. Schantz, Eric G. Hanson, Si Ty, Paul H. McClelland, William J. Lloyd, Winthrop D. Childers