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| Number | Title | Issue Date |
| 8159789 | Suspension for supporting a magnetic head slider It is an object to achieve prevention of lowering resonant frequency and improved production efficiency while achieving reduction in weight of a supporting part with a boss portion and reduction in thickness at area at which the boss portion is located. In the prese... | 04/17/2012 |
| 7839604 | Disk drive suspension assembly with integrated trailing edge shock protection for use with micro-actuator type head-gimbal assembly A disk drive head-gimbal assembly (200) is disclosed, which includes what may be characterized as a flexure (215) with an integrated trailing edge limiter. The head-gimbal assembly (200) includes a deflectable flexure tongue (228) and a b... | 11/23/2010 |
| 7773345 | Carriage for disk device A carriage for a disc device, which has a top arm, bottom arm, and mid arm, has a main mode, end arm mode, and mid arm mode as a frequency response obtained when subjected to a vertical shake. In the main mode, all of the top, bottom, and mid arms swing at a first f... | 08/10/2010 |
| 7751152 | Head suspension A head suspension for a hard disk drive is thin from an arm to a head and involves a minimum step between the arm and a load beam. The head suspension includes a load beam that includes a rigid part and a resilient part. The load beam applies load onto a head that i... | 07/06/2010 |
| 7724479 | Method and apparatus for an auxiliary mass damper in each actuator arm notch of a hard disk drive Actuator arm includes an island coupling through a mote to at least two of actuator base, first and second actuator arm bridge. Head stack including at least one actuator arm. Head stack assembly including head stack. Hard disk drive including head stack assembly. M... | 05/25/2010 |
| 7697240 | Magnetic head actuator and magnetic disk device having damper material attached to actuator arm The present invention relates to a magnetic head actuator and a magnetic disk device in which a magnetic head is moved to a predetermined position by actuating an arm on a revolving magnetic disk. A magnetic head actuator comprises an arm in which a suspension for s... | 04/13/2010 |
| 7636222 | Tuned mass actuator arms for decreasing track misregistration in a depopulated head suspension disk drive A disk drive includes a storage disk having a data surface, a head suspension assembly, an actuator assembly and an E-block. The actuator assembly moves the E-block relative to the storage disk. The E-block includes a first actuator arm and a second actuator arm. Th... | 12/22/2009 |
| 7623320 | Discrete mounting arm for hard disk drive and method for making the same A mounting arm for a hard disk drive having a generally planar region, the mounting arm having at least one striation formed on the generally planar region to provide compressive residual stress with desirable shape characteristics in the mounting arm. ... | 11/24/2009 |
| 7551403 | HSA with air turbulence preventing structure for HGA, disk drive unit with the same, and manufacturing method thereof A HSA of the present invention includes a voice coil; an E-block connected to the voice coil, which including at least one actuator arms; at least one HGAs, wherein each HGA is swaged on a tip of the respective actuator arm and includes a suspension having a flexure... | 06/23/2009 |
| 7489480 | Laminated actuator arm in a hard disk drive A laminated actuator arm of a hard disk drive. The actuator arm can be laminated with a relatively stiff material and a low density material. The stiff material can provide structural integrity for the arm. The low density material may be a damping material that dam... | 02/10/2009 |
| 7440234 | Disk drive including an actuator arm with a region of reduced thickness between an arm longitudinal axis and a disk axis of rotation There is provided a disk drive including a disk and an actuator. The actuator includes a first actuator arm. The first actuator arm has a region of reduced thickness between an arm longitudinal axis and a disk axis of rotation. An average thickness of the first actu... | 10/21/2008 |
| 7420783 | Slim actuator and slim micro-drive apparatus comprising the same A slim actuator and a micro-drive apparatus using the same are provided. The slim actuator includes a suspension having a head mounted at one end of the suspension to write/read data to/from a disk and a head gimbal assembly. The head gimbal assembly includes a unit... | 09/02/2008 |
| 7372671 | Disk apparatus A head beam is retained at a front portion of the pivoting arm so as to be rotatable, and is continuously urged by an urging member in the counterclockwise direction. The pivoting arm has a directing rod rotating around a supporting shaft. A slidable projection of t... | 05/13/2008 |
| 7369368 | Head stack assembly having an actuator body with multiple slots adjacent to a bore A head stack assembly for a disk drive includes an actuator body. The actuator body includes a pair of sides, a bore defining a longitudinal axis, a first slot extending between the pair of sides, a second slot extending along a direction perpendicular to the longit... | 05/06/2008 |
| 7355819 | Machining actuator periphery to reduce resonance variation A method of manufacturing a disc drive actuator is provided. The method includes manufacturing a disc drive actuator and machining a peripheral surface of the actuator. The peripheral surface is machined to obtain a desired profile dimension and thereby reduce varia... | 04/08/2008 |
| 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 |
| 7337452 | Tilt focus mechanism for an optical drive An apparatus for dynamically positioning a rotary actuator that positions an objective lens in three dimensions relative to the surface of an optical disk. A first voice coil motor positions the actuator generally in two dimensions parallel to the surface of the dis... | 02/26/2008 |
| 7333299 | Head supporting mechanism including two load beams with ribs overlapped with each other A suspension is provided, which comprises: a flexure with elasticity for supporting a head slider having at least one head element; a first load beam having first ribs for reinforcement at both side ends of the first load beam, for supporting the flexure; and a seco... | 02/19/2008 |
| 7322094 | Method for manufacturing a head stack assembly A head stack assembly of a disk drive unit including a head arm assembly (HAA) having a head gimbal assembly, a drive arm to be connected with the head gimbal assembly; wherein the drive arm comprises a securing portion, a connection portion and a spacer connecting ... | 01/29/2008 |
| 7312954 | Suspension bearings for data storage drive A stacked suspension assembly for a data storage drive having, for example, at least two suspension members with each suspension member has a bearing hole therethrough. At least one spacer is positioned between the at least two suspension members to separate adjacen... | 12/25/2007 |
| 7299536 | Method for an improved magnetic head arm assembly A system and method for an improved magnetic head arm assembly (HAA), reducing complexity of design and difficulty of manufacture, is disclosed. ... | 11/27/2007 |
| 7280319 | Suspension assembly with piezoelectric microactuators electrically connected to a folded flex circuit segment A suspension assembly includes a load beam, a mount plate, first and second piezoelectric microactuators, and a flex circuit segment. The first piezoelectric microactuator is electrically non-conductively attached to the load beam and the mount plate. The first piez... | 10/09/2007 |
| 7274537 | Windage stripper for an actuator and rotating disc An actuator with a moveable block and supporting a cantilevered arm has a windage stripper supported for movement in unison with the block and spanning a cantilevered length of the arm. The actuator has a load member connected to the arm and supports a data head at ... | 09/25/2007 |
| 7265945 | Head drive device including head support mechanism having support arm rotatable relative to base arm via rotation support part, and disk apparatus including the head drive device A head support mechanism of the invention comprises a head (1011) for recording on a disk or reproducing a disk, a head support member composed of this head (1011) and a support arm (2) having this head (1011) attached to one end portion ... | 09/04/2007 |
| 7249808 | Brake liquid pressure control unit of on-vehicle device and its manufacturing method In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical w... | 07/31/2007 |
| 7245456 | Head support device and disk drive using the same A head support device includes a slider with a head, a support arm having a leading end provided with the slider 1 via a flexure and being integral with, in the vicinity of its base end, a spring member along a centerline, and a base arm having two pivots con... | 07/17/2007 |
| 7239486 | System and apparatus for reducing off-track gain for a disk drive actuator The dynamics of a disk drive actuator are enhanced by redistributing the mass and stiffness of the structure. The two nodal points of the second primary bending mode of the actuator are relocated to positions that are both radially outboard of their original positio... | 07/03/2007 |
| 7236330 | Disk head stability system A slider assembly, comprising a slider having a magnetic head for reading and/or writing to a storage medium, and a vibration absorber operatively coupled to the slider for reducing mechanical vibrations of the slider caused by contact of the slider with the storage... | 06/26/2007 |
| 7230799 | Electro-thermal micromechanical actuator for finitely positioning a storage device slider and methods of use and manufacture A system and method for controlling the position of a digital data storage device slider through the use of an electro-thermal micromechanical actuator is disclosed. A movable member is etched into a face of a slider opposite the air-bearing surface of the slider. T... | 06/12/2007 |
| 7218479 | Head support device with bearing and elastic member The disclosed suspension assembly (S) for carrying a magnetic recording head in close following relation to a recording disc includes an improved arrangement for supplying a load to the recording head. The suspension assembly (S) includes a flexible gimbal section (... | 05/15/2007 |
| 7215513 | Disk drive including a one-piece stamped actuator arm assembly and method of making same An actuator arm assembly of a disk drive is stamped from a single flat sheet of material and includes first and second actuator arm portions and one or more bendable portions integrally joining the first and second actuator arm portions. A method of making an actuat... | 05/08/2007 |
| 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 |
| 7193820 | Head actuator having dummy weight used to coincide mass and swing movement centers An object of the present invention is to provide a hard disk drive or related apparatus in which a possibility of head crash can be reduced to minimum even if the apparatus receives an external impact during the operating state. To achieve the object, according to t... | 03/20/2007 |
| 7177119 | Microactuated head suspension with ring springs A microactuated head suspension including a mounting region for attachment of the head suspension to a source of primary actuation, a pair of generally arcuate ring springs and a connecting member. The ring springs at spaced locations extending from the mounting reg... | 02/13/2007 |
| 7170717 | Head suspension assembly and disk drive using the same A head suspension assembly includes (a) a slider having a head for recording into/reproducing from a record medium, mounted thereon, (b) a load beam having (i) the slider disposed via a flexure at one end, and (ii) a leaf-spring-like resilient member integrally form... | 01/30/2007 |
| 7166612 | Methods for reducing platelet activation platelet aggregaton or thrombosis The invention provides methods and compositions for reducing platelet activation, platelet aggregation and thrombosis. The invention further provides compositions and methods for treating or preventing diseases or disorders in which the pathology of the disease or d... | 01/23/2007 |
| 7164559 | Head actuator with elastic members oriented at obtuse angles relative to an arm and hard disk apparatus equipped with same A head actuator is made thinner without sacrificing its strength to thereby achieve the thinning of a hard disk apparatus. On the base end of each of two suspensions is provided a boss that protrudes in the direction of the side on which a magnetic head is provided,... | 01/16/2007 |
| 7161765 | Write/read head supporting mechanism, and write/read system An object of the invention is to provide a write/read head supporting mechanism for a magnetic disk system or optical disk system having a microactuator for effecting a micro-displacement of a slider, wherein any electrostatic breakdown of an electromagnetic transdu... | 01/09/2007 |
| 7161769 | Disk drive having an actuator arm assembly that includes stamped actuator arms A disk drive includes a disk and a head stack assembly. The head stack assembly includes an actuator arm assembly that includes first and second stamped actuator arms. The first stamped actuator arm may include a first arm portion, a first body portion and a coil-su... | 01/09/2007 |
| 7158347 | Grounding connection between suspension flexure and arm actuator An actuator arm assembly of a hard disk drive. The assembly includes a flexure that is attached to an actuator arm and a head coupled to the flexure. The head is coupled to a pre-amplifier circuit of the drive. The head is also electrically grounded through the flex... | 01/02/2007 |
