Patents by Inventor Mark Stephen Crowder

Mark Stephen Crowder 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).

  • Magnetic recording device having a improved slider
    Patent number: 5661618
    Abstract: The invention relates to an improved high performance magnetic recording device. The recording device comprises a magnetic recording disk, a slider having a transducer for reading or writing data on the disk, a motor operable to rotate the disk at speeds greater than 7000 RPM and an actuator connected to the slider to move the slider across the disk. The trailing surface of the slider is coated with a low surface energy film to prevent build up of droplets of liquid contaminants.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: August 26, 1997
    Assignee: International Business Machines Corporation
    Inventors: Charles Allan Brown, Mark Stephen Crowder, Donald R. Gillis, Andrew Marian Homola, Vedantham Raman, George William Tyndall, III