Patents by Inventor John C. Kan

John C. Kan 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).

  • Motor shaft having an integral heat pipe
    Patent number: 6528909
    Abstract: A spindle motor assembly having a shaft with an integral heat pipe. The shaft with the integral heat pipe improves the thermal conductivity of the shaft and the spindle motor assembly. The shaft includes an elongated portion and a sealing structure. For one embodiment, the sealing structure includes a cap and a gasket that are joined to the shaft by a brazing process.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: March 4, 2003
    Assignee: International Business Machines Corporation
    Inventors: John C. Kan, Neal Bertram Schirle
  • Heat sink and method of attachment
    Patent number: 5106451
    Abstract: An apparatus and method for removably mounting heat sinks on a chip carrying substrate by simultaneously applying pressure to both the heat sinks and the substrate. Also disclosed is a three dimensional heat sink having a plurality of spatially interconnected holes formed therein. The holes act as extended boiling surfaces which also promote agitation induced by bubble motion.
    Type: Grant
    Filed: November 15, 1990
    Date of Patent: April 21, 1992
    Assignee: International Business Machines Corporation
    Inventors: John C. Kan, Carl Yakubowski