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| Number | Title | Issue Date |
| 7675710 | Tape drive with read/write head having legacy read elements and with special-purpose read channels A tape drive for reading both new technology tapes and legacy tapes. The tape drive includes a three bump head with two outer read bumps and an inner write bump. The outer read bumps include readers for reading data from tracks of a first width on a first storage ta... | 03/09/2010 |
| 7646565 | Tape head with outrigger A magnetic head assembly according to one embodiment of the present invention includes a substrate having a tape bearing surface. A plurality of elements are coupled to the substrate and positioned towards the tape bearing surface. The elements selected from a group... | 01/12/2010 |
| 7630173 | Tape head having a support plate with contoured surface A magnetic recording head according to one embodiment comprises a support having a surface with an opening in said surface; at least one head chin comprising a substrate having a plurality of magnetic recording elements, said head chip positioned to protrude through... | 12/08/2009 |
| 7414811 | Magnetic head having three modules A magnetic head according to one embodiment includes a first module having a flat profile tape bearing surface, a second module having a flat profile tape bearing surface, and a third module having a flat profile tape bearing surface. The third module is positioned ... | 08/19/2008 |
| 7382581 | Tape head having a support plate with contoured surface A tape recording head is provided comprising a support plate having a contoured surface with an opening in the contoured surface which allows head chips to protrude far enough to allow proper head tape contact for recording. The support plate is fixed on a coarse ac... | 06/03/2008 |
| 7372651 | Introducing a noise signal into a read-back signal when data is written to a removable data storage medium In one exemplary embodiment, a noise signal is introduced into a read-back signal when data is written to a removable data storage medium. While writing the data to the removable data storage medium, a portion of the data written to the removable data storage medium... | 05/13/2008 |
| 7342748 | System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads The invention provides a system comprising a non-linear array of magnetoresistive (MR) heads arranged in a two-dimensional matrix for reading information stored on magnetic media. The non-linear array of MR heads may comprise a planar array formed by a plurality of ... | 03/11/2008 |
| 7342738 | Positioning head assembly for data storage system with multiple degrees of freedom The Invention Provides a Positioning System for a Linear Data Storage Medium, Such as magnetic tape or other data storage medium in which data is stored on parallel data tracks that extend along a length of the medium. The invention makes use of multiple actuators t... | 03/11/2008 |
| 7271983 | Magnetic head with mini-outriggers and method of manufacture An exemplary magnetic head assembly for use with magnetic recording media is provided. In one example, a head includes a data island associated with at least one data transducer, the data island having a width along a direction of media transport and a radius of cur... | 09/18/2007 |
| 7271970 | Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording element A conventional magnetic head has a structure, in which a MR element and a recording element are stacked. The influence of a recording magnetic field on the magnetically sensitive portion of a reproduction element is lessened and the performance of the MR element is ... | 09/18/2007 |
| 7265940 | Magnetic tape head having offset recording/ reproducing sections for simultaneous recording/ reproducing on adjacent tape tracks There is provided a tape recording system and head device. A tape recording system and head device include a plurality of recording sections for recording data signals on a recording medium wherein one recording section of the plurality of recording sections and ano... | 09/04/2007 |
| 7256963 | Magnetic head with adaptive data island and mini-outrigger and methods of manufacture In one aspect, an exemplary method of manufacturing a magnetic head assembly is provided. In one example, the method includes forming islands in a magnetic head structure to define a pair of mini-outriggers adjacent a data island, where the data island is separated ... | 08/14/2007 |
| 7248438 | Compression zone recording head A compression zone recording head is provided having the recording tape in contact or near contact with the recording read/write transducer elements in a compression zone of the tape passing over a transducing surface. The compression zone recording head comprises a... | 07/24/2007 |
| 7196866 | Interconnect structure having multiple layers of traces for electrical connection to a tape head assembly An apparatus and method for electrically coupling read elements and write elements of a tape head assembly to another component includes an interconnect structure having plural layers of traces, with the traces comprising write traces electrically connected to respe... | 03/27/2007 |
| 7193813 | Angled flat-type recording head designed for near-constant resolution at varying type velocities A magnetic tape head system and associated method are disclosed. Included is one or more head assemblies each including a base with a row bar coupled thereto with a head situated therein for defining a tape bearing surface defining a tape wrap angle with respect to ... | 03/20/2007 |
| 7193812 | Recording head compensation for tape shrinkage and expansion A recording head to simultaneously read or write data to and from a plurality of tracks on magnetic tape, while compensating for shrinkage or expansion caused by moisture, temperature, creep caused by tension in the tape, creep caused by dimensional instability of t... | 03/20/2007 |
| 7171740 | Tape head module assembly method A tape head module assembly method is disclosed. A first and second module holder are placed in an initial alignment with module holder ends facing each other, the module ends each holding a tape head module. A tape wrap angle between the first and second module is ... | 02/06/2007 |
| 7170713 | Heat sink for a magnetic recording head An effective heat sink is provided for a magnetic recording head. The heat sink conducts heat away from the recording head thus limiting the range of temperatures to which the recording head is subjected. A heat sink on a recording head significantly reduces heat in... | 01/30/2007 |
| 7161764 | Thin-film tape head having single groove formed in head body and corresponding process A magnetic head according to another embodiment includes a head body including a top face, a bottom face, a pair of elongated side faces, and a pair of short end faces; at least one transducer formed in communication with the top face of the head body; and a single ... | 01/09/2007 |
| 7154691 | Multi-format thinfilm head and associated methods According to one aspect, an exemplary multi-format magneto resistive recording head is provided. The magnetic head includes a first set of data transducers configured transversely across a direction of tape transport, the first set of data transducers associated wit... | 12/26/2006 |
| 7142389 | Tape drive A tape drive of the present invention records data on a tape having a plurality of servo bands, where a servo signal is recorded in advance along a longitudinal direction, and a data band containing a plurality of data tracks formed between each of the servo bands w... | 11/28/2006 |
| 7133261 | Tape head having a support plate with contoured surface A tape recording head is provided comprising a support plate having a contoured surface with an opening in the contoured surface which allows head chips to protrude far enough to allow proper head tape contact for recording. The support plate is fixed on a coarse ac... | 11/07/2006 |
| 7116519 | Patterning of integrated closure for implementing pads connected to lapping elements A tape head comprised of a substrate and a closure coupled to the substrate. Read and/or write elements are embedded in the substrate. Contact pads are coupled to the substrate, the pads being in electrical communication with the read and/or write elements. At least... | 10/03/2006 |
| 7102857 | Rotary head drum apparatus capable of positively receiving a splashing adhesive A rotary head drum apparatus includes a stator drum. A rotary drum is provided with a plurality of magnetic heads and rotates the magnetic heads. The rotary drum is mounted for rotational movement with respect to the stator drum. A rotary transformer includes a stat... | 09/05/2006 |
| 7092200 | Magnetic tape drive with recording head group providing high density data signal recording A magnetic tape drive of the present invention is the drive that has a head unit comprising a servo head for trackings and a recording head group, which comprises a plurality of data signal recording heads, wherein the plurality of the data signal recording heads ar... | 08/15/2006 |
| 7079359 | Magnetic recording head having modules with opposing read elements and opposing periodic structures A head includes first and second read modules. The first module has an MR element formed on a wafer having a grating directed along a first direction. The magnetization of the first module element is directed along the first direction. The first module element is bi... | 07/18/2006 |
| 7054093 | Dual actuators for read-while-write recording system The invention provides a read-while-write recording system for a linear data storage medium, such as magnetic tape or other data storage medium in which data is stored on parallel data tracks that extend along a length of the medium. The invention makes use of separ... | 05/30/2006 |
| 7023650 | Optical sensor to recording head alignment A technique of positioning a recording head relative to an optical servo system in a magnetic recording tape system read/write assembly is described. The technique includes positioning an optical sensor of the optical servo system at a first position relative to a s... | 04/04/2006 |
| 6972931 | Write/read head assembly with wear parts A read/write head of a magnetic tape drive is provided, where the matrix write head is provided as a part of an overall flat structure that utilizes the atmospheric pressure to hold the tape against the operational surface of the write head. The read head portion is... | 12/06/2005 |
| 6970331 | Magnetic recording head having modules with opposing read elements and opposing periodic structures A head includes first and second read modules. The first module has an MR element formed on a wafer having a grating directed along a first direction. The magnetization of the first module element is directed along the first direction. The first module element is bi... | 11/29/2005 |
| 6949004 | Method for reducing pole and alumina recession on magnetic recording heads A manufacturing process for reducing magnetic spacing loss in a magnetic recording head. The recession of the transducer relative to the substrate at the air bearing surface is decreased by applying a coating of sacrificial material such as diamond-like carbon to th... | 09/27/2005 |
| 6927745 | Frequency selective surfaces and phased array antennas using fluidic dielectrics A phased array antenna (100) having a frequency selective surface comprises a substrate (125) and an array of antenna elements (140) thereon. Each antenna element comprises a medial feed portion (42) and a pair of legs (49) extendi... | 08/09/2005 |
| 6927937 | Read/write head for a magnetic tape device having grooves for reducing tape floating A read/write head for a magnetic tape includes an elongated chip assembly and a tape running surface formed in the longitudinal direction of the chip assembly. A pair of substantially spaced parallel read/write gap lines for supporting read/write elements extend lon... | 08/09/2005 |
| 6907322 | Method and apparatus for characterization of thermal response of GMR sensors in magnetic heads for disk drives A method and apparatus for characterization of a thermal response of giant magnetoresistive (GMR) sensors in magnetic read/write heads is provided. The method and apparatus make use of a probe to measure temperatures at a base and a tip of the probe. With the method... | 06/14/2005 |
| 6781792 | Method and apparatus for providing tape head assemblies having U-shaped support beams for very high density recording A tape head and method for forming a tape head are disclosed. The tape head includes a matched support beam pair, each support beam having a tape head disposed on the support beam, each support beam further including engagement surfaces and a recessed area disposed ... | 08/24/2004 |
| 6778359 | Thin film magnetic head for magnetic tape drive A thin film magnetic head for a magnetic tape drive to correctly read out, even if off-track, the high density magnetic patterns recorded on magnetic tape without picking up noise from adjacent tracks. A thin film magnetic head is comprised of a first composite thin... | 08/17/2004 |
| 6690542 | Dual module RWW tape head assembly A tape head assembly for high-speed and high-density multi-channel read-while-writing (RWW) operation comprises two modules bonded together. The modules are initially formed on an integral unit and gapped in pair, to produce a good reference surface, whic... | 02/10/2004 |
| 6683751 | Magnetic head unit A plurality of magnetic head elements, each having a terminal portion, are arranged on a first face of the head chip. A wiring board member is electrically connected to the respective terminal portions of the magnetic head elements. A pair of side chips s... | 01/27/2004 |
| 6680816 | Audio/control head and method of assembling cores of the head An audio/control head for used in a Video Cassette Recorder or the like has a core holder 11 arranged to include positioning portions 24 and 25 for determining the pitch length P1 and pressing tabs 23 having an elasticity for pressing inwardly cores membe... | 01/20/2004 |
| 6661608 | Structure for mounting a magnetic head to a chassis In a mounting structure for mounting a conductive shielding case, accommadating therein an audio magnetic head, to a chassis via of an adjusting plate, columnar protrusions formed on both side surfaces of the shielding case are engaged with groove portion... | 12/09/2003 |
