Patents by Inventor Weily Tung

Weily Tung 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).

  • Activation bath for electroless nickel plating
    Patent number: 5753304
    Abstract: In a process for the electroless plating of nickel onto a substrate made of aluminum or an aluminum alloy, an aqueous acidic solution containing as an essential component a palladium salt is used as an activator of the substrate prior to the nickel plating of the substrate. The activating solution contains a palladium salt, an alkali metal fluoride or hydrofluoric acid, a carboxylic acid complexing agent, an alkali metal salt of gluconic acid, an iron salt, a nickel salt, and deionized water.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: May 19, 1998
    Assignee: The Metal Arts Company, Inc.
    Inventor: Weily Tung