Patents Assigned to Lenovo
  • Patent number: 9111899
    Abstract: The chip stack of semiconductor chips with enhanced cooling apparatus includes a first chip with circuitry on a first side and a second chip electrically and mechanically coupled to the first chip by a grid of connectors. The apparatus further includes a thermal interface material pad placed between the first chip and the second chip, wherein the thermal interface material pad includes nanofibers aligned parallel to mating surfaces of the first chip and the second chip and nanofibers aligned perpendicular to mating surfaces of the first chip and the second chip.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 18, 2015
    Assignee: Lenovo
    Inventors: Gerald K. Bartley, Charles L. Johnson, John E. Kelly, III, Joseph Kuczynski, David R. Motschman, Arvind K. Sinha, Kevin A. Splittstoesser, Timothy J. Tofil
  • Patent number: 7249249
    Abstract: A system and method for access control of a hardfile responsive to a computer system having an operating system is disclosed. The method includes detecting a special boot condition during a pre-boot test of the computer system; and altering, in response to the special boot condition, an operating system access configuration of the hardfile. The system includes a computer system that adjusts an operating system access to a hardfile based upon various boot conditions.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: July 24, 2007
    Assignee: Lenovo
    Inventors: Joseph Wayne Freeman, Steven Dale Goodman, Randall Scott Springfield