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| Number | Title | Issue Date |
| 7952834 | Flex circuit assembly with thermal energy dissipation In accordance with various embodiments, a printed structure of a flex circuit assembly includes a plurality of adjacent land portions formed on a heat conductive stiffener member and which support electrically conductive paths for connection to an integrated circuit... | 05/31/2011 |
| 7724475 | Conductive member, disk drive using same, and conductive member fabricating method Embodiments of the present invention provide a conductive member, in which electric characteristics can be improved by matching impedance all the way from a conductive wire to a pad. In one embodiment, a conductive member comprises: a back side metal layer; an insul... | 05/25/2010 |
| RE40975 | Head suspension with resonance feedback transducer A head suspension assembly including a load beam having a rigid region, a mounting region on a proximal end of the load beam, and a flexure on a distal end of the load beam. The flexure has a read/write head attachment region for supporting a read/write head on the ... | 11/17/2009 |
| 7369364 | Interconnect for dissipating electrostatic charges on a head slider An interconnect that may reduce a head slider's exposure to electrostatic discharge events and may dissipate charging of the head is provided. Conductive and nonconductive adhesives are used to adhere a head slider to the interconnect. An electromagnetic interferenc... | 05/06/2008 |
| 7352537 | Tuned damper for disk drive actuator arm Embodiments of the present invention include a disk drive actuator arm for reducing amplitude of vibration modes substantially planar to a disk surface. The actuator arm comprises a plurality of head arms coupled to the actuator arm, the head arms substantially equa... | 04/01/2008 |
| 7347347 | Head assembly, disk unit, and bonding method and apparatus A head assembly is provided with a mounting surface, and an integrated circuit chip which is mounted on the mounting surface and processes signals. The integrated circuit chip is covered by a layer which prevents generation of foreign particles from the integrated c... | 03/25/2008 |
| 7342750 | Method for providing electrical crossover in a laminated structure An externally wireless laminated suspension for a hard disk drive are disclosed. In one embodiment, the externally wireless laminated suspension has an insulating layer to electrically isolate a first and second electrical trace from a conductive support layer. The ... | 03/11/2008 |
| 7312941 | Disk drive with head-disk interaction sensor integrated with suspension A Hard Disk Drive (HDD) includes a write-inhibit signal that is generated by a head-disk interaction sensor during a write process that is integrated with a suspension of the HDD when fly-height modulation of the slider is detected during a write process. The suspen... | 12/25/2007 |
| 7287315 | Apparatus for measuring slider mounting position in magnetic head, and magnetic head manufacturing system using the measurement apparatus The present invention provides a measurement apparatus for obtaining a suitable position on a suspension where a more miniature magnetic head slider is to be mounted to the suspension, the apparatus including a front camera having a photographing optical axis within... | 10/30/2007 |
| 7271985 | System and method for crosstalk reduction in a flexible trace interconnect array A system for reducing signal crosstalk in a flexible trace interconnect array includes a flexible dielectric material base, and a plurality of conductors longitudinally arranged as pairs in a signal layer array on the base. At least one of the pairs of conductors co... | 09/18/2007 |
| 7239485 | Localized heating element for a suspension assembly The present invention provides a suspension assembly having a slider body with a trailing edge face. A bond pad is positioned on the trailing edge face and a conductive trace is connected to the bond pad to form an electrical connection. A heating element includes a... | 07/03/2007 |
| 7239467 | Storage media reading writing system The storage media recording/writing system includes a media drive circuit, a head retaining means, a head moving means, a head drive circuit, a signal processing circuit, and a controller to control these. The head drive circuit possesses a first semiconductor integ... | 07/03/2007 |
| 7209325 | Suspension damping method with minimum impact on preload stiffness The present invention relates to a suspension assembly that includes a load beam having a bend section with a bending stiffness and an in-plane stiffness. The assembly also includes a constraint or stiffening layer cooperatively attached to the bend section. The con... | 04/24/2007 |
| 7206154 | Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read heads A symmetrical read element circuit for reducing electrical and magnetic noise using signal processing, such as a differential preamplifier. The circuits are symmetrically created on both sides of the read element so that the noise is balanced on both leads of the se... | 04/17/2007 |
| 7199981 | High reliability-parallel data transfer hard disk drive A dual actuator arm assembly system that uses two pairs of actuator-carriage arms that linearly move over a stationary micro-rail independently. The geometric shape of the two pairs of actuator carriage arms conform to the arcs of the data tracks at an acute angle. ... | 04/03/2007 |
| 7196860 | Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation An apparatus and method write data to a storage medium, and subsequently automatically refresh the data to avoid loss of the data due to spontaneous thermal degradation. The apparatus and method may check whether an indicator (also called “refresh indicator”) if... | 03/27/2007 |
| 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 |
| 7170718 | Wiring body with flexure sheet connecting the head slider and the driving unit in a disk apparatus To provide a disk apparatus that can enhance reliability of a head wiring and a driving wiring, a disk apparatus includes a head slider, an arm, a driving unit, a wiring body provided for supplying a head mounted on the head slider with a head current used for signa... | 01/30/2007 |
| 7170715 | Microsuspension assemblies for direct access storage devices 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.... | 01/30/2007 |
| 7154708 | Thermal protrusion reduction in magnet heads by utilizing a heat-spreading pad A magnetic read/write head and slider assembly and method for forming said magnetic read/write head and slider assembly, wherein said assembly has improved heat spreading and dissipation properties and exhibits significantly reduced thermal protrusion during operati... | 12/26/2006 |
| 7136261 | Aerodynamically shaped load beam having reduced windage and reduced off-track PES A suspension for supporting a head slider over a media surface. The suspension includes a load beam, a base plate interface region, and a base plate. The load beam has a proximal end, a distal end and longitudinal centerline. A localized stiffening portion is raised... | 11/14/2006 |
| 7131128 | Optical actuator An optical pickup actuator for use with a recording medium includes a swing arm pivoting in a tracking direction with respect to the recording medium, a first driving unit pivoting the swing arm, an optical pickup facing the recording medium, an elastic member havin... | 10/31/2006 |
| 7130155 | Head suspension assembly and magnetic disk apparatus comprising the head suspension assembly A head actuator assembly comprises a plate-like suspension having a distal end portion mounting with a magnetic head, and a trace having a relay FPC attached to the suspension through a lining plate. A head IC is mounted on the relay FPC and positioned near the magn... | 10/31/2006 |
| 7126782 | Acceleration sensor and disk drive employing it An acceleration sensor, for detecting the acceleration of a motion made by a head actuator that includes a carriage which is borne on a base of a disk drive so that it can pivot and a head suspension fixed to the distal part of the carriage, is formed using at least... | 10/24/2006 |
| 7116523 | Interconnect module for use in a suspension assembly A lead routing module for interconnecting two devices in a suspension assembly. The suspension assembly including at least a suspension, a slider/head assembly, and a lead routing module. The suspension assembly may also include a microactuator. The lead routing mod... | 10/03/2006 |
| 7099116 | Disk drive suspension with second spring function A disk drive suspension comprising a metal member having a base portion, a distal portion and a spring portion therebetween is provided with a second spring of usually greater thickness that is parallel with and spaced from the first spring, and supported in place b... | 08/29/2006 |
| 7095594 | Active read/write head circuit with interface circuit A method and apparatus for collocating an interface circuit with a disk drive read/write head is described. In one embodiment the interface circuit is attached to the load arm on one side and the miniflex interconnect on the other. The read/write head is mounted on ... | 08/22/2006 |
| 7092193 | Dynamically adjustable head disk spacing slider using thermal expansion A disk drive includes a slider assembly and a controller that directs current to the slider assembly to dynamically adjust the head-to-disk spacing. In one embodiment, the slider assembly includes a write element having a first end, a second end and an intermediate ... | 08/15/2006 |
| 7088543 | Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension A suspension having a magnetic head assembly 1 mounted thereon is provided, wherein the magnetic head assembly comprises: a write head 1-2; a read head 1-1; and a resistive heating element 1-3 for controlling the flyi... | 08/08/2006 |
| 7081367 | Manufacturing method of thin-film magnetic head with magnetoresistive effect element and manufacturing method of head gimbal assembly with the thin-film magnetic head A manufacturing method of a thin-film magnetic head with an MR element or a manufacturing method of an HGA with the head includes a step of forming a plurality of MR elements on a substrate or wafer, a step of forming a plurality of pairs of connection pads, each pa... | 07/25/2006 |
| 7051423 | Testing method for a head IC This invention relates to a testing method for a head IC which makes it possible to simplify checking of the head. The head IC is installed on a head suspension, and probes are placed on terminals of the head suspension to check electric characteristics of the head ... | 05/30/2006 |
| 7050268 | Disk drive with read IC chip and write IC chip mounted respectively on suspension and arm A dedicated read IC chip is mounted on a head suspension. The dedicated read IC chip is located closer to a read element. A stray capacitance of a wiring can be reduced. Even if the electric resistance value of the read element increases, the magnetic information da... | 05/23/2006 |
| 7046486 | Micro-flexure suspension including piezoelectric elements for secondary actuation A micro-flexure is provided for achieving secondary actuation in an actuator of a disk drive. The micro-flexure is a separate element which attaches to a standard flexure. A slider mounts to the micro-flexure. Piezoelectric elements attach to the micro-flexure to pr... | 05/16/2006 |
| 7038885 | Balanced and damped suspension for use in a disk drive A suspension for use in a disk drive is disclosed. The suspension has a hinge and load beam which are separately formed and subsequently joined together. The load beam is formed from a material which has improved damping characteristics. The load beam additionally h... | 05/02/2006 |
| 7028388 | Method of manufacturing magnetic head The method of manufacturing a magnetic head is capable of correctly setting a raw bar, which includes small sliders, on to a supporting jig, machining the raw bars precisely and improving yield of manufacturing sliders. The method comprises the steps of forming a ma... | 04/18/2006 |
| 7027266 | Head suspension with flexure-supported slider between first and second load bending portions The present invention provides an improved suspension and head assembly. One exemplary suspension comprises an arm configured to be held by a positioning mechanism. A first load beam is coupled to the arm. A first flexure is coupled to the first load beam. The suspe... | 04/11/2006 |
| 7016158 | Recording medium drive A head slider is related to an actuator block. A flexible printed circuit board is received on the surface of the actuator block. A head IC is mounted on the surface of the flexible printed circuit board. A heat conductive member is mounted on the head IC. The heat ... | 03/21/2006 |
| 7009816 | Head support mechanism and magnetic disk device To strengthen a flying lead portion of a long-tail flexible printed circuit (FPC) integrally formed with a flexure, stacked support portions of resin layers on both sides of a flying lead 7 of a long-tail FPC 6 are reinforced with metal frames 14. | 03/07/2006 |
| 7009814 | Disc drive suspension in which track-direction swing in the low-frequency band is restrained A disc drive suspension comprises a load beam, baseplate, hinge member, and wired flexure. The wired flexure has a metal base and a wiring portion formed on the metal base. A supported portion is formed on a part of the metal base of the flexure. The supported porti... | 03/07/2006 |
| 6992864 | Flexible printed circuit board unit contributing to reliable soldering and suppression of increased temperature A thermal component is mounted on the front surface of an isolator sheet within a first specific area. A thermally-conductive material is located on the back surface of the isolator sheet on the back of the first specific area. An electrically-conductive material is... | 01/31/2006 |
