Patents by Inventor June L. McClean

June L. McClean 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).

  • Etchant with increased etch rate
    Patent number: 4462861
    Abstract: A process for etching copper comprising contact of the copper with an etchant that is an aqueous solution of sulfuric acid, a peroxide and a low molecular weight carboxylic acid. The low molecular weight carboxylic acid in the etchant exalts etch rate.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: July 31, 1984
    Assignee: Shipley Company Inc.
    Inventor: June L. McClean