Patents by Inventor Robert T. Sturrock

Robert T. Sturrock 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: 5105529
    Abstract: The present process is for the manufacture of a monolithic read/write recording head for use in disk drives. The airborne slider body and the transducer nose portion of the head is made from the same magnetic ferrite material. The magnetic material preferably consists of NiZn ferrite or MnZn ferrite. A narrow track ridge has a non-magnetic gap interposed across the track at some distance atop the I-bar coil assembly, between the slider and the transducer portion. The instant process provides a self-aligned track ridge across the gap by virtue of machining the ridge in one bonded piece.For protection, this narrow gap and track ridge portion is glass encapsulated. Another embodiment of the instant process provides for a slider body equipped with both a servotype and data recording transducer assembly.The process provides attachment on a spring-loaded head holder in such a position that the spring axis is in parallel with the long dimension of the body along its air bearing surface.
    Type: Grant
    Filed: May 7, 1991
    Date of Patent: April 21, 1992
    Assignee: National Micronetics, Inc.
    Inventors: Tugrul Yasar, Robert T. Sturrock, Harry P. Harnischfeger
  • Patent number: 5072322
    Abstract: The present invention relates to a novel monolithic read/write recording head for use in disk drives. The airborne slider body and the transducer nose portion of the head is made from the same magnetic ferrite material. The magnetic material preferably consists of NiZn ferrite or MnZn ferrite. A narrow track surface has a non-magnetic gap interposed across the track at some distance atop the I-bar coil assembly, between the slider and the transducer portion. For protection, this gap and track area is embedded in molten glass. Another embodiment of the invention provides for a slider body equipped with both a servotype and data recording transducer assembly.The novel design provides attachment on a spring-loaded head holder in such a position that the spring axis is in parallel with the long dimension of the body along its air bearing surface. Alternatively, the head can have mounting blocks arranged such that the spring axis is directed perpendicularly to the long dimension of the body.
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: December 10, 1991
    Assignee: National Micronetics, Inc.
    Inventors: Tugrul Yasar, Robert T. Sturrock, Harry P. Harnischfeger