Patents by Inventor Sheila Konecke-Lease

Sheila Konecke-Lease 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: 5118027
    Abstract: A process for fabricating a plurality of solder joints from a low melting point solder paste and high melting point solder balls is described. An abbreviated process flow is as follows: First, the solder balls are placed into cavities in an alignment boat, a vacuum is initiated to hold the boat and solder balls in place. Second, an amount of solder paste is applied directly onto the solder balls in the boat. Third, an alignment plate is placed over the alignment boat to provide a means of roughly aligning the solder ball/solder paste combination to the substrate. Fourth, the substrate is placed through the alignment plate on top of the solder balls in the boat. Pressure is applied to wet the solder paste to the conductive pads on the substrate. Finally, the substrate and alignment boat assembly is processed through a furnace for solder paste reflow.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: June 2, 1992
    Assignee: International Business Machines Corporation
    Inventors: Carol Braun, George C. Correia, Sheila Konecke-Lease, Richard W. Cummings