Patents by Inventor Daniel R. Walsh

Daniel R. Walsh 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).

  • Patent number: 5066545
    Abstract: Polyimide-metal laminates are formed by etching the surfaces of a polyimide web with a glycol-containing etchant followed by electroless nickel or cobalt deposition and then by copper deposition. The glycol-containing etchant can be utilized to form through holes through the web.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: November 19, 1991
    Assignee: Polyonics Corporation
    Inventor: Daniel R. Walsh