Patents by Inventor Michael Seyffert

Michael Seyffert 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: 4425213
    Abstract: A discrete, precut strip, lead frame plating system wherein each strip is loaded onto a linked chain, located against plating masks, contacted electrically, plated, dried, and unloaded from the chain in successive sequential fashion.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: January 10, 1984
    Assignee: National Semiconductor Corporation
    Inventors: Gerald Laverty, August Kalin, Michael Seyffert
  • Patent number: 4420107
    Abstract: To cut a strip of metal into exact lengths, rollers are brought into contact with the strip and turned by an accurate motor until a pin can be mechanically inserted into a hole in the strip to effect final alignment. If the pin does not successfully enter the hole, a detector halts the system.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: December 13, 1983
    Assignee: National Semiconductor Corp.
    Inventors: Michael Seyffert, Alan F. d'Entremont
  • Patent number: 4409924
    Abstract: In a system for plating precisely located spots on an intermittently moved strip of metal, a spring loaded pawl on the spot defining mask is positioned to grasp holes in the strip and move just the mask a short distance with the strip so as to insure mask alignment with the strip.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: October 18, 1983
    Assignee: National Semiconductor Corporation
    Inventors: Gerald C. Laverty, Michael Seyffert
  • Patent number: 4389296
    Abstract: A contact for making electrical connections to a moving strip of metal, so as to permit plating the strip, in which grooved members engage just the edges of the strip, thus avoiding scratches on the face of the strip.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: June 21, 1983
    Assignee: National Semiconductor Corporation
    Inventors: Michael Seyffert, Steven W. Taatjes
  • Patent number: 4378283
    Abstract: A consumable-anode selective plating apparatus for plating a continuous metal strip having a container for containing a consumable anode material, a mask assembly for exposing selected areas of said continuous metal strip to an electrolyte, a source of electrolyte and a source of power and conductors for passing a current through said electrolyte, consumable anode material and metal strip.
    Type: Grant
    Filed: July 30, 1981
    Date of Patent: March 29, 1983
    Assignee: National Semiconductor Corporation
    Inventors: Michael Seyffert, Gerald C. Laverty
  • Patent number: 4036725
    Abstract: A selective jet plating system having a plurality of stationary, plating jets and a pair of split concentric annular rotatable members for continuously plating metal on a metal strip is described. The rotatable members are provided for transporting the metal strip continuously past the jets. The fluid jets are spaced in a circle interior of the annular members for jetting plating fluid radially outwardly through an adjustable slot between the annular members against the strip as the strip is transported by the annular members past the jets. Also provided is a plurality of cathode electrodes which are provided at spaced locations along the path of travel and in sliding contact with the strip. The jets are made of a fluid-compatible metallic material for forming an anode. A back-up belt is also provided for providing a back-up for the strip to prevent fluid loss through the strip if the strip has holes in it.
    Type: Grant
    Filed: November 21, 1975
    Date of Patent: July 19, 1977
    Assignee: National Semiconductor Corporation
    Inventors: Robert M. Allen, Michael Seyffert