Patents by Inventor Roger James Stockholm

Roger James Stockholm 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: 5941449
    Abstract: A method of precisely positioning a quantity of conductive spacers (e.g., spherically shaped solder balls) on respective conductive pads (e.g., copper pads) of an underlying substrate (e.g., an FR4 printed circuit board or flexible circuit member) wherein the spacers are forcibly retained within a suitable holder and, when engaged with the respective pads, reflowed to effect a plurality of positive electrical connections between the spacers and pads. Such forcible retention allows for partial extension of the spacers from the invention's carrier, which is also disclosed.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: August 24, 1999
    Assignee: International Business Machines Corporation
    Inventors: Christian Robert Le Coz, Donald Ivan Mead, Roger James Stockholm
  • Patent number: 5762258
    Abstract: A method of precisely positioning a quantity of conductive spacers (e.g., spherically shaped solder balls) on respective conductive pads (e.g., copper pads) of an underlying substrate (e.g., an FR4 printed circuit board or flexible circuit member) wherein the spacers are forcibly retained within a suitable holder and, when engaged with the respective pads, reflowed to effect a plurality of positive electrical connections between the spacers and pads. Such forcible retention allows for partial extension of the spacers from the invention's carrier, which is also disclosed.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: June 9, 1998
    Assignee: International Business Machines Corporation
    Inventors: Christian Robert Le Coz, Donald Ivan Mead, Roger James Stockholm