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| Number | Title | Issue Date |
| 8125736 | Head suspension, load beam, and method of manufacturing load beam A method of manufacturing a load beam precisely positions a slider on a dimple of a load beam according to precisely obtained positional data of the dimple, the method includes preparing a work which is a flat plate and serves as the load beam, irradiating at least ... | 02/28/2012 |
| 8107196 | Systems having components coupled with electrostatic dissipative adhesive A system in one embodiment includes a substrate; a thin film structure coupled to the substrate, the thin film structure comprising at least one of read transducers and write transducers; a closure; and an electrostatically dissipative adhesive coupling the closure ... | 01/31/2012 |
| 8009388 | Method for increasing storage capacity and a transducer configuration incorporating the same The present invention provides a method for increasing storage capacity of a disc drive by physically skewing a transducer in relation to a slider supporting the transducer. The physical skew angle of the transducer is configured to provide a predetermined zero skew... | 08/30/2011 |
| 7929249 | Spring loaded head for reduced fly height and tracking control An apparatus includes a body having a first air bearing surface and defining an opening, and a transducer portion having a second air bearing surface and positioned within the opening and coupled to the body by a plurality of spring members extending from the transd... | 04/19/2011 |
| 7764466 | Thin-film magnetic head with closure and manufacturing method of the head A thin-film magnetic head where the closure is bonded with sufficiently high adhesive strength by the adhesive layer thinner than conventional and that is free from the problem of fine dusts, is provided. The head comprises: a substrate having an element-formed surf... | 07/27/2010 |
| 7738215 | Magnetic head slider having spherical of ellipsoidal projection formed thereon Embodiments in accordance with the present invention provide a magnetic head slider capable of securing a larger flying margin even when position variations occur at the time of flying. Embodiments of the present invention also provide a magnetic head slider having ... | 06/15/2010 |
| 7564649 | Head assembly having a sensing element to provide feedback for head-media instability A head assembly having a sensor element on the head assembly. Embodiments of the sensor element are configured to detect non-contact induced head-media interface instability, “onset of contact” or low level interference. The non-contact head-media instability or... | 07/21/2009 |
| 7532437 | Slider having transducers orientated in different directions Transducers are oriented differently to address the skew phenomenon. This enables a greater area of the medium to be utilized for data storage, thereby increasing the storage capacity of the device implementing embodiments of the present invention. ... | 05/12/2009 |
| 7369369 | Bidirectional micropositioning recording head for a magnetic storage device A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a magnetic medium surface of the magnetic storage medium, thereby enabling improved positioning of the transd... | 05/06/2008 |
| 7365931 | Information-recording/reproducing apparatus and method of detecting the gap between a head and a recording medium A method of detecting a gap between a head and a recording medium in an information-recording/reproducing apparatus that uses the head to record and reproduce information in and from the recording medium. In the method, the gap between the head and the recording med... | 04/29/2008 |
| 7363269 | Conversational dealing system A conversational trading system allows a plurality of instruments, for example financial instruments such as foreign exchange products to be traded from a single user interface. The interface includes a deal stack comprising a deal list, a deal detail panel and a bu... | 04/22/2008 |
| 7343667 | Methods of making a side-by-side read/write head with a self-aligned trailing shield structure A side-by-side read/write head includes a self-aligned trailing shield, where a rear edge of the trailing shield is defined by the same lithography/etching process used to define a rear edge of a read sensor. A plurality of read sensor layers and a pole tip structur... | 03/18/2008 |
| 7342740 | In-situ compensation method of microactuator stroke sensitivity subject to temperature variation A hard disk drive that includes a voice coil motor and a micro-actuator. The micro-actuator is controlled by a servo that utilizes a micro-actuator calibration parameter. To compensate for temperature changes within the disk drive the micro-actuator calibration para... | 03/11/2008 |
| 7340823 | Methods for forming head suspension assemblies Embodiments include a method for forming a head suspension assembly. A spacer layer is formed in or on a silicon wafer. A transfer film including an opening defining the shape of a slider support membrane is provided, and the opening is filled with a resin material.... | 03/11/2008 |
| 7336443 | Slider for a data storage device with a floating transducer body and method of fabrication therefor A head for a data storage device including an independently supported transducer body floatably coupled to the slider body and including at least one transducer element. The transducer body is independently supported relative to the disc surface to provide transduce... | 02/26/2008 |
| 7320168 | Method to improve heat dissipation in a magnetic shield Problems such as thermal pole tip protrusion result from thermal mismatch between the alumina and pole material during the writing process. This, and similar problems due to inadequate heat dissipation, have been overcome by dividing the bottom shield into two piece... | 01/22/2008 |
| 7312951 | Magnetic head for perpendicular magnetic recording The invention provides a magnetic head for perpendicular magnetic recording having an air bearing surface positioned facing the recording surface of a recording medium, which records magnetic information on the recording medium by generating magnetic flux toward the... | 12/25/2007 |
| 7301727 | Return pole of a transducer having low thermal induced protrusion A transducer including a return pole having a return pole tip extending to an external surface of the transducer. The external surface of the return pole tip has an area that is larger than a cross-sectional area of the return pole taken parallel to the external sur... | 11/27/2007 |
| 7296335 | Method of detaching of magnetic head slider from head gimbal assembly A method is provided for reworking a head gimbal assembly (HGA). An ultrasonic probe is used to stress the connection between the slider component of an HGA to remove the slider from its mounting position. ... | 11/20/2007 |
| 7283326 | Methods for producing a protective film on recording media A method of producing a protective film on recording media including forming a protective film on at least the surface facing a recording medium, said protective film having the composition represented by the formula: SiCXHYOZNW... | 10/16/2007 |
| 7280312 | Method for producing a protective thin film for a magnetic head A protective thin-film for a magnetic head is produced by a method comprising vapor-depositing from an atmosphere containing Si, C and H under an operating pressure of less than 0.05 Torr while applying a negative bias voltage of less than −400 V but greater than ... | 10/09/2007 |
| 7277257 | Transducer-level microactuator for a magnetic recording system A transducer-level microactuator selectively positions a transducer portion of a slider radially with respect to circumferential data tracks of a rotatable disc. The slider includes a slider body having a leading edge and a trailing edge, a transducer body and a fle... | 10/02/2007 |
| 7274536 | Tape head read/write module A tape head read/write module that has a composite air bearing surface, and a method and apparatus for embedding a chip in a substrate to form a composite air bearing surface. An example of the module includes a substrate that has an air bearing surface, a front, a ... | 09/25/2007 |
| 7274538 | Sensor with semi-permanently deformable element for active element adjustment A sensor comprises a transducer portion including a semi-permanently deformable portion. A deformation of the semi-permanently deformable portion in response to an activation energy deforms the transducer portion. The deformation is retained after the activation ene... | 09/25/2007 |
| 7269889 | Method of manufacturing a magnetic head As a protective film of an element and a slider in a magnetic head, a film is provided which is excellent in adhesiveness to a film forming surface and which shows sufficient corrosion-resistance property with a thinner thickness. To provided this film, according to... | 09/18/2007 |
| 7262937 | Responsive aeroelastic slider One embodiment of the present invention pertains to a slider that includes a substrate, a transducer tip disposed on the substrate, and a hydrodynamic surface including a responsive aeroelastic deposit. The substrate has a first coefficient of expansion responsive t... | 08/28/2007 |
| 7256967 | Micro-actuator, head gimbal assembly, disk drive unit and manufacturing method thereof A head gimbal assembly (HGA) including a slider, a micro-actuator and a suspension to load the slider and the micro-actuator. The micro-actuator includes a support base and a piezoelectric unit used for both position displacement adjustment and flying height adjustm... | 08/14/2007 |
| 7253993 | Head slider with precise positioning actuator and manufacturing method of the head slider A head slider with a precise positioning actuator includes a thin plane shaped head section provided with a first surface that is substantially perpendicular to an ABS of the head slider, a second surface opposite to the first surface and at least one head element f... | 08/07/2007 |
| 7248442 | Integrated recording head micropositioner using off-axis flexure bending A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a magnetic medium surface of the magnetic storage medium, thereby enabling improved positioning of the transd... | 07/24/2007 |
| 7239488 | MR sensor on an insulating substrate and method of manufacture According to an embodiment of the present invention, a slider design is presented that provides improved protection for the head/sensor of the slider. In one embodiment, the design of the slider is such that ESD protection is provided during the slider wafer process... | 07/03/2007 |
| 7237323 | Method for manufacturing a magnetic head A method of making a magnetic head having an air bearing surface (ABS) composed of a flat and smooth worked surface and having a reduced step produced between a rail portion on the ABS and an element portion. Steps of the method include forming an electromagnetic tr... | 07/03/2007 |
| 7239481 | Magnetic head having multilayer heater for thermally assisted write head and method of fabrication thereof A magnetic head including a media heating device that is preferably fabricated within the magnetic head structure. The heating device preferably includes an electrical heating element and electrical leads, where an insulation layer disposed above the heating element... | 07/03/2007 |
| 7233459 | Integral wear-pad for slider-disk interference detection A slider-mounted transducer has an integral wear pad for determining interference between the transducer and a disk surface. The wear pad intensifies interference events during disk drive testing and enables the threshold for slider fly-height to be set at a lower l... | 06/19/2007 |
| 7218471 | Self-servo writing using recording head micropositioner Servo tracks are written onto different disk surfaces using multiple recording heads within a disk drive without requiring a servo writing machine or clean room conditions. Microactuators in the reference heads in the disk drive are capable of independent motion wit... | 05/15/2007 |
| 7212381 | Slider having adjusted transducer recession and method of adjusting recession A method and apparatus are provided for adjusting recession of an element, such as a pole tip, in a transducer structure formed in a plurality of thin film layers on an edge of a slider. A pre-stressed structure is formed as part of the plurality of thin film layers... | 05/01/2007 |
| 7206170 | Thin film servo head apparatus with canted servo gaps A thin film servo head apparatus is described that provides verification of time-based servo marks on a magnetic tape. The thin film servo head apparatus includes a plurality of thin film servo heads formed in a substrate. The substrate is canted such that servo gap... | 04/17/2007 |
| 7203035 | Thin-film magnetic head having a sheet-shaped heater with a lead part connected in series with the heater and having a resistance lower than the heater A thin-film magnetic head has at least either an electromagnetic transducer or a magnetoresistive device, and a sheet-shaped heater for generating heat when energized. The heater has a heating part and a lead part connected in series to the heating part. The lead pa... | 04/10/2007 |
| 7199960 | Disk drive with AC exciter for head/disk interface A disk drive includes a disk for storing information, a head with a transducer that writes data to and reads data from the disk, and an AC power source. The head is suspended adjacent to the disk and a flying height gap exists at the head/disk interface. The AC powe... | 04/03/2007 |
| 7199974 | Read/write head with reduced pole tip protrusion A write element for use in a read/write head having an air bearing surface, so as to reduce pole tip protrusion. The write element includes a pole tip region; an insulation layer formed adjacent to the pole tip region; a coil embedded in the insulation layer which c... | 04/03/2007 |
| 7187512 | Method and system for actively controlling and reducing induced electrostatic voltage on a magnetic storage disk Actively controlling ESI voltage on an object such as a magnetic storage disk (12), a rotating MR head, or insulator, includes the method and system for actively monitoring (92) a generated ESI voltage on the object (12). The method and system g... | 03/06/2007 |
