Patents by Inventor Cynthia Retallick

Cynthia Retallick 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).

  • Process for the manufacture of printed circuit boards
    Patent number: 6403146
    Abstract: The present invention relates to a process for the manufacture of printed circuit boards. The method contemplates a novel processing sequence for this manufacturing process which method is particularly versatile in reducing the number of steps and variety of chemicals currently necessary to produce the circuit boards.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: June 11, 2002
    Inventors: Gary B. Larson, Donna Kologe, Cynthia Retallick, Austin Wells
  • Method for the manufacture of printed circuit boards
    Patent number: 5474798
    Abstract: The present invention relates to a process for the manufacture of printed circuit boards. The method contemplates the use of electroless nickel as the primary medium for interconnection, for building circuitry to the desired thickness and as an etch resist. The method is particularly versatile in reducing the number of steps and variety of chemicals currently necessary to produce these circuit boards.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: December 12, 1995
    Assignee: MacDermid, Incorporated
    Inventors: Gary B. Larson, Donna Kologe, Cynthia Retallick, Jon Bengston
  • Process for the activation of nickel - phosphorous surfaces
    Patent number: 5431959
    Abstract: Disclosed is a composition and process useful in activating nickel-phosphorous surfaces for subsequent plating thereon. A combination of sulfuric acid and ammonium sulfate is utilized to render otherwise non-catalytic nickel-phosphorous surfaces catalytic to subsequent plating.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: July 11, 1995
    Assignee: MacDermid, Incorporated
    Inventors: Donna Kologe, Cynthia Retallick, Jon Bengston