Patents by Inventor Joseph Smetana, Jr.

Joseph Smetana, Jr. 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: 7337537
    Abstract: A method for forming a back-drilled plated through hole in a printed circuit board and the resulting printed circuit board are described herein. In the preferred embodiment, the printed circuit board includes a via extending through a plurality of stacked layers. The via includes a plated through hole and a back-drilled hole. The plated through hole is located within a predetermined number of the stacked layers and the back-drilled hole is located within the remaining stacked layer(s). The plated through hole without an electrically conductive material located on walls therein has a diameter that is substantially the same size or smaller than the diameter of the back-drilled hole.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: March 4, 2008
    Assignee: Alcatel Lucent
    Inventor: Joseph Smetana, Jr.