Patents by Inventor Stephen A. De Lucia

Stephen A. De Lucia 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).

  • Method for preparing a screen printing stencil
    Patent number: 5478699
    Abstract: To prepare a screen printing stencil, a pattern of resist, having a complementary design to the final screen printing stencil, is applied to a conductive mandrel. A patterned layer is electroformed onto the exposed surface of the mandrel such that the layer corresponds to the exposed orifices of the pattern of resist. The resulting screen printing stencil can have an overgrowth geometry or a straight-wall geometry depending on the type of photoresist employed, and can be used in the electronic substrate fabrication and electronic assembly industries.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: December 26, 1995
    Assignee: AMTX, Inc.
    Inventors: Daniel R. Blessington, deceased, Gary T. Marks, Jerry E. Sergent, Judy A. Sline, Stephen A. De Lucia
  • Method for preparing and using a screen printing stencil having raised edges
    Patent number: 5359928
    Abstract: To prepare a screen printing stencil, a pattern of resist, having a complementary design to the final screen printing stencil, is applied to a conductive mandrel. A patterned layer is electroformed onto the exposed surface of the mandrel such that the layer corresponds to the exposed orifices of the pattern of resist. The resulting screen printing stencil has raised edges surrounding orifices. The raised edges are placed against a surface of a substrate to be printed in use of the stencil. The screen printing stencil can be used for printing substrates in the electronic substrate fabrication and electronic assembly industries.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: November 1, 1994
    Assignee: AMTX, Inc.
    Inventors: Daniel R. Blessington, deceased, Gary T. Marks, Jerry E. Sergent, Judy A. Sline, Stephen A. De Lucia