Patents Represented by Attorney, Agent or Law Firm IPLO Intelectual Property Law Offices
  • Magnetic head with thin gap layers
    Patent number: 6707647
    Abstract: The hard disk drive of the present invention includes a magnetic head wherein the read head portions have gap insulation layers between the magnetic shields. The gap insulation layers are made up of multilayered laminations of an oxide or nitride of a metal such as aluminum, silicon, chromium, and tantalum. A preferred embodiment of the present invention includes laminated G1 and G2 gap insulation layers having 5-10 laminations, and having a total thickness of approximately 50 Å to 500 Å.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: March 16, 2004
    Assignee: International Business Machines Corporation
    Inventors: Hardayal Singh Gill, Douglas Johnson Werner