Patents by Inventor Robert Glenn Biskeborn

Robert Glenn Biskeborn 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: 8004799
    Abstract: A magnetic head comprises a plurality of elements selected from a group consisting of readers and writers. A servo sensor is positioned towards the elements, the servo sensor being adapted for sensing a first servo track of a magnetic medium. A fence is positioned towards the servo sensor and aligned therewith in a tape travel direction. A magnetic head in another embodiment includes a substrate and a reader positioned above the substrate, the reader having a sensor and shields sandwiching the sensor. A fence is positioned towards the reader on an opposite side thereof from the substrate, the fence being aligned with the reader in a travel direction of a magnetic medium passing thereby.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: August 23, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Icko E. T. Iben, Peter VanderSalm Koeppe, Jason Liang
  • Patent number: 8004792
    Abstract: A magnetic write transducer includes a yoke having a lower pole portion, an upper pole portion, and a first bobbin portion; a first coil turn wrapped around the first bobbin portion of the yoke in a first plane; a second coil turn wrapped around the first bobbin portion of the yoke in a second plane above the first plane; a third coil turn wrapped around the First bobbin portion of the yoke in a third plane above the second plane; and a fourth coil turn wrapped around the first bobbin portion of the yoke in a fourth plane above the third plane.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: August 23, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Leif Stefan Kirschenbaum
  • Patent number: 7990659
    Abstract: A magnetic head according to one embodiment includes a substrate; a sensor formed above the substrate; a second shield formed above the sensor and the substrate; a first insulation layer positioned between the substrate and the sensor; a second insulation layer positioned between the sensor and the second shield; and a nonmagnetic, non-electrically insulative layer formed between the substrate and the sensor.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: August 2, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Calvin Shyhjong Lo, Jason Liang, Teya Topuria
  • Patent number: 7952832
    Abstract: A magnetic recording tape according to one embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an average height of the bars is less than about 50 microns. A magnetic recording tape according to another embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an angle between at least some of the bars is greater than about 10 degrees. A magnetic recording tape according to yet another embodiment includes at least about eight data bands, the data bands being defined between servo tracks.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: May 31, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Wayne Isami Imaino
  • Publication number: 20110102943
    Abstract: A magnetic recording tape according to one embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an average height of the bars is less than about 50 microns, wherein about eight to about twenty six data bands are present on the tape. A magnetic recording tape according to another embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an angle between at least some of the bars is greater than about 10 degrees, wherein an average height of the bars is less than about 50 microns. A magnetic recording tape according to another embodiment includes at least about eight data bands, the data bands being defined between servo tracks, wherein about eight to about twenty six data bands are present on the tape.
    Type: Application
    Filed: January 10, 2011
    Publication date: May 5, 2011
    Applicant: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Wayne Isami Imaino
  • Patent number: 7933089
    Abstract: A method for writing data to a tape at multiple rates for simultaneously creating data tracks having differing linear data densities, according to one embodiment, includes passing a tape over a head, the head having an array of writers thereon; receiving incoming data; mapping the data to a two dimensional array corresponding to the array of writers; clocking some of the mapped data to a first writer in the array of writers at a first rate; and clocking some of the mapped data to a second writer in the array of writers at a second rate different than the first rate.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: April 26, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Larry LeeRoy Tretter
  • Publication number: 20110090589
    Abstract: A structure according to one embodiment includes a substrate having a media facing side; and a thin film stack formed on the substrate, the thin film stack including magnetic films and insulating films, wherein the thin film stack is recessed from a plane extending along the media facing side of the substrate, wherein the magnetic films are recessed more than the insulating films, wherein the magnetic films each have a substantially flat media facing surface, wherein the insulating films each have a substantially flat media facing surface.
    Type: Application
    Filed: December 21, 2010
    Publication date: April 21, 2011
    Applicant: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Cherngye Hwang, Calvin Shyhjong Lo, Andrew C. Ting
  • Patent number: 7916424
    Abstract: A magnetic head according to one embodiment includes a substrate; at least one transducer formed above the substrate, the at least one transducer being selected from a group consisting of a reader and a writer; an overcoat portion formed above the at least one transducer; and a wear resistant portion formed between the overcoat portion and a media-proximal surface of the magnetic head, the wear resistant portion being formed of a material having a greater resistance to media wear than a material from which the overcoat portion is formed.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: March 29, 2011
    Assignee: International Business Machines Corporation
    Inventor: Robert Glenn Biskeborn
  • Publication number: 20110047785
    Abstract: In one general embodiment, a method is provided for fabricating magnetic structures using post-deposition tilting. A thin film magnetic transducer structure is formed on a substantially planar portion of a substrate such that a plane of deposition of the thin film transducer structure is substantially parallel to a plane of the substrate. Additionally, the thin film transducer structure is caused to tilt at an angle relative to the plane of the substrate. The thin film transducer is fixed at the angle after being tilted.
    Type: Application
    Filed: August 25, 2009
    Publication date: March 3, 2011
    Applicant: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, LAURENT DELLMAN, MICHEL DESPONT, PHILIPP HERGET, PIERRE-OLIVIER JUBERT
  • Patent number: 7898760
    Abstract: A magnetic head according to one embodiment includes a reader and a thermal sensor for detecting a thermal effect thereon from a magnetic medium passing by the thermal sensor. A tape drive system according to one embodiment includes a magnetic head for reading data from a magnetic tape, a thermal sensor for detecting a thermal effect thereon from the magnetic tape passing by the thermal sensor, a drive mechanism for passing the tape over the head, and a processor for causing alteration of a readback signal from the magnetic head based on an output of the thermal sensor.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: March 1, 2011
    Assignee: International Business Machines Corporation
    Inventor: Robert Glenn Biskeborn
  • Patent number: 7894161
    Abstract: A tape head assembly according to one embodiment includes a single beam having an upper surface and a plurality of apertures into the upper surface, the beam defining a void positioned towards an inner portion thereof, the void being for receiving a cable; multiple modules coupled to the beam, at least one of the modules being coupled to the beam by members, the members extending into the apertures in the upper surface of the beam and being immovably coupled to the beam, each of the modules having at least one of readers for reading from a magnetic medium and writers for writing to a magnetic medium.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: February 22, 2011
    Assignee: International Business Machines Corporation
    Inventor: Robert Glenn Biskeborn
  • Patent number: 7894150
    Abstract: In one embodiment, a method includes simultaneously writing tracks of data on a magnetic medium in a first direction using less than all available writers in an array of magnetic writers. The method also includes determining that an error has occurred when writing one of the tracks and terminating writing with the writer associated with the track on which the error occurred. In addition, the method includes simultaneously writing tracks of data on the magnetic medium in the first direction using a previously unused writer in the array of magnetic writers.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: February 22, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Jason Liang
  • Patent number: 7883607
    Abstract: A method according to one embodiment includes ion milling at a first angle of greater than about 25 degrees from normal relative to a media facing side of a thin film region of a magnetic head or component thereof for recessing the thin film region at about a constant rate for films of interest of the thin film region, planes of deposition of the films being oriented about perpendicular to the media facing side; and ion milling or plasma sputtering at a second angle of less than about 25 degrees from normal relative to the media facing side of the thin film region for recessing magnetic films therein faster than insulating films therein, the second angle being smaller than the first angle.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: February 8, 2011
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Cherngye Hwang, Calvin Shyhjong Lo, Andrew C. Ting
  • Publication number: 20100269565
    Abstract: In one embodiment, a system comprises a magnetic head, a protective coating on a media-facing side of the head, and an indentation in the protective coating having a dimension that, when the protective coating wears, is indicative of an amount of wear of the protective coating. A method, in another embodiment, comprises creating an indentation in a protective coating of a magnetic head, the indentation having a dimension that, when the protective coating wears, is indicative of an amount of wear of the protective coating. In another embodiment, a method comprises visually inspecting indentations in a protective coating of a magnetic head, wherein at least two of the indentations have differing dimensions that, when the protective coating wears, are indicative of the amount of wear of the protective coating. The method also includes estimating an amount of wear of the protective coating based on the visual inspection.
    Type: Application
    Filed: April 28, 2009
    Publication date: October 28, 2010
    Applicant: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, W. Stanley Czarnecki, Jason Liang, Calvin Shyhjong Lo
  • Publication number: 20100254036
    Abstract: In one embodiment, a method includes simultaneously writing tracks of data on a magnetic medium in a first direction using less than all available writers in an array of magnetic writers. The method also includes determining that an error has occurred when writing one of the tracks and terminating writing with the writer associated with the track on which the error occurred. In addition, the method includes simultaneously writing tracks of data on the magnetic medium in the first direction using a previously unused writer in the array of magnetic writers.
    Type: Application
    Filed: April 6, 2009
    Publication date: October 7, 2010
    Inventors: Robert Glenn Biskeborn, Jason Liang
  • Patent number: 7791834
    Abstract: A magnetic head having a tape bearing surface according to one embodiment includes a plurality of writers, each writer having first and second poles each having a pole tip positioned towards the tape bearing surface, a front gap defined between the pole tips, and a back gap defined along an electrical coupling of the poles at portions thereof positioned away from the tape bearing surface; wherein widths of the front and back gaps are defined in a direction parallel to the tape bearing surface and parallel to planes of deposition thereof, wherein a ratio of the width of the back gap to the width of the front gap is less than about 3:1. Various embodiments of a magnetic recording tape are also disclosed.
    Type: Grant
    Filed: August 14, 2006
    Date of Patent: September 7, 2010
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Wayne Isami Imaino
  • Patent number: 7787203
    Abstract: A method according to one embodiment includes receiving signals from multiple readers; and performing more error control processing on a signal from an outer reader than on a signal from an inner reader. A method according to one embodiment includes receiving signals from multiple readers; and performing different amounts of error control processing on signals from at least two of the readers. A tape drive system according to one embodiment includes a tape head having an array of readers; and a processor coupled to the head for performing error control processing, wherein the processor performs more error control processing on a signal from the outer reader than on a signal from the inner reader.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: August 31, 2010
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, James Mitchell Karp
  • Patent number: 7782567
    Abstract: A tape drive system according to one embodiment includes a tape head; a guide mechanism for passing a magnetic recording tape over the head; and a cleaning device for cleaning the head, wherein, while the tape is adjacent the head, a relative spacing between the tape and the head is created before the cleaning device cleans the head, wherein the cleaning device does not contact the tape during cleaning of the head. Other systems and methods are also presented.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: August 24, 2010
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Jason Liang
  • Patent number: 7782564
    Abstract: A method for enabling different modes on a multi-modal data storage system such as a tape-based data storage system includes enabling a data storage system to operate in at least one of two modes, a first of the modes being different than a second of the modes. In one embodiment, the data storage system has all physical components required to operate in the first and second modes. An ability to operate in at least one of the modes is not allowed prior to enabling the data storage system to operate in the at least one of the modes.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: August 24, 2010
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Jason Liang, Calvin Shyhjong Lo
  • Patent number: 7766236
    Abstract: A method for reading data using a magnetic head having a first array of elements associated with a first data format, and a second array of elements associated with a second data format, the elements being selected from a group consisting of readers, writers, and combinations thereof, wherein the first and second arrays of elements are generally laterally adjacent each other in a direction transverse to a direction of travel of a magnetic medium over the head, the method comprising: determining a format of data on a medium; selecting one of the arrays of elements to read the data on the medium based on the determined format of the data; and positioning the selected array over the data on the medium.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: August 3, 2010
    Assignee: International Business Machines Corporation
    Inventors: Robert Glenn Biskeborn, Calvin Shyhjong Lo