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| Number | Title | Issue Date |
| 8169745 | Head gimbal assembly having balanced weight, and disk drive unit with the same A HGA includes a load beam having a dimple formed thereon; a flexure including a suspension tongue and a support plate connected with the suspension tongue; and a slider having a leading edge and trailing edge opposite to the leading edge. The slider is mounted on t... | 05/01/2012 |
| 8064167 | Magnetic head suspension An elastic plate that is supported at both ends by a pair of supporting pieces of a supporting part functions as the load bending part. A portion of a load beam base plate that is positioned on a distal end side from a load bending center line of the elastic plate i... | 11/22/2011 |
| 8027127 | Method of reducing slider roll torque by balancing head gimbal assembly for improved seeking performance In a balanced head gimbal assembly for improved seeking performance, a slider having a magnetic head with a set of read elements to read data and a set of write elements to write data, an air-bearing surface, and a non-air-bearing surface is coupled to a suspension.... | 09/27/2011 |
| 7835112 | Integrated lead flexure with embedded traces An integrated lead flexure for a disk drive head suspension and method for making the flexure. The flexure includes a spring metal layer, a dielectric layer over the spring metal layer, and a plurality of conductive leads on the dielectric layer. The spring metal la... | 11/16/2010 |
| 7791840 | Head suspension, load beam, and method of manufacturing load beam In the manufacture of a load beam for reading and writing a hard disk in a hard disk drive which load beam has a body having a slope extending from a front end thereof and bent along a bend line in a direction opposite to the hard disk, a tab protruding from the slo... | 09/07/2010 |
| 7755865 | Vibration reducing head suspension mechanism for a magnetic disc unit There is provided a head suspension mechanism capable of more effectively restraining sway mode and second-order torsion mode vibrations of the head suspension mechanism caused by an air flow. A flange portion having a free end portion 23c on the base ... | 07/13/2010 |
| RE41401 | Magnetic head suspension assembly fabricated with integral load beam and flexure A magnetic head suspension assembly is fabricated with an integral piece which includes a load beam section, a flexure section, a rear mount section and a leaf spring section between the load beam and rear mount. A tongue extends from the load beam to the flexure an... | 06/29/2010 |
| 7733607 | Suspension with strengthening plate, head gimbal assembly, and disk drive unit with the same A suspension for a HGA includes a base plate, a flexure having a suspension tongue for holding a slider, a load beam, and a hinge that are assembled together; wherein a strengthening plate is formed on the suspension tongue to increase stiffness of the suspension to... | 06/08/2010 |
| 7606001 | Vibration reducing head suspension mechanism for a magnetic disc unit There is provided a head suspension mechanism capable of more effectively restraining sway mode and second-order torsion mode vibrations of the head suspension mechanism caused by an air flow. A flange portion having a free end portion 23c on the base ... | 10/20/2009 |
| 7489476 | Headlift for disk drive head suspension A headlift on a distal end of a load beam of the type for use in a disk drive suspension, including two distally extending rails transversely spaced from each other, a cross member extending between the first and second rails, and a tab extending from the cross memb... | 02/10/2009 |
| 7450345 | Magnetic head supporting mechanism with two openings proximate to pivot of load beam A magnetic disc apparatus having a magnetic disc on which information is recorded, a magnetic head and a magnetic head supporting mechanism. The magnetic head supporting mechanism includes a slider having the magnetic head mounted thereon, a load beam having an arm ... | 11/11/2008 |
| 7433156 | Flexure for minimizing fly height modulation of near-contact recording sliders in a disk drive A flexure mounted slider and its method of fabrication is described, wherein the slider is affixed to a pair of highly compliant, transverse (to the longitudinal axis of a load beam) crossbars whose common axis passes directly above the center of percussion of the s... | 10/07/2008 |
| 7408745 | Sway-type micro-actuator with slider holding arms for a disk drive head gimbal assembly A micro-actuator of the invention includes a support frame having a base, a moving plate, a leading beam to connect the base with the moving plate; and two slider holding arms extending from both sides of the moving plate; at least one piezoelectric element bonding ... | 08/05/2008 |
| 7379270 | Head supporting mechanism A head supporting mechanism including a loading beam, a flexure and a head slider. The loading beam has a proximal portion, a distal portion and an intermediate portion defined between the proximal portion and the distal portion while at least partially overlapping ... | 05/27/2008 |
| 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 |
| 7365944 | Magnetic head suspension with reduced mass load beam portion A magnetic head suspension includes a flexure portion, a load bend portion, a load beam portion, and a base portion. The load beam portion includes: a base end area continuously connected with the load bend portion; an intermediate area extending from the base end a... | 04/29/2008 |
| 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 |
| 7355817 | Head suspension assembly with femto-slider and disk device provided with the same A head suspension assembly of a disk device comprises a head having a femto-slider, which is flied by an air current generated between the slider and a surface of the recording medium as the recording medium rotates, and a recording element which is provided on the ... | 04/08/2008 |
| RE40203 | Magnetic head suspension assembly fabricated with integral load beam and flexure A magnetic head suspension assembly is fabricated with an integral piece which includes a load beam section, a flexure section, a rear mount section and a leaf spring section between the load beam and rear mount. A tongue extends from the load beam to the flexure an... | 04/01/2008 |
| 7313855 | Method of forming a head suspension with an integral boss tower A method of making a multi-piece head suspension for a rigid disk drive. The method includes providing a first layer including a mounting region with an integral boss tower attached to a stiffener by one or more positioning tabs; attaching a second layer including a... | 01/01/2008 |
| 7298590 | Suspension limiter with proximally cantilevered limiter members A disk drive suspension and method uses two proximally cantilevered members to limit tongue movement in a suspension of a load beam having a beam portion and a flexure having a tongue. The suspension has a limiter structure comprising the two proximally cantilevered... | 11/20/2007 |
| 7292411 | Disk head suspension arm having comb receiving portion A head suspension for a disk drive includes a base (5) to be attached to a carriage, a load beam (3) having a rigid part (9) and a resilient part (11) supported by the base, to apply load on a data read/write head (19) arranged at ... | 11/06/2007 |
| 7283330 | Method of manufacturing a suspension using coining A method of manufacturing a suspension member designed to carry a slider and read/write head elements in a magnetic data storage device. The method includes forming the suspension member into a desired length and width configuration with a nominal thickness dimensio... | 10/16/2007 |
| 7283331 | Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive The invention includes sliders provided with indented surfaces, reducing the roll center for head gimbal assemblies below the effective thickness of the slider. Head gimbal assemblies built with these sliders may reduce off-track displacements induced by disk vibrat... | 10/16/2007 |
| 7283332 | Suspension with improved gimbal A suspension includes a load beam section and a gimbal section, which is formed with the load beam section as a single, continuous piece of material, having a top surface and a bottom surface. The gimbal section has a first end formed with to the load beam section a... | 10/16/2007 |
| 7248439 | Magnetic head supporting mechanism utilizing elongated portions of a load beam to define an opening in the load beam A magnetic disc apparatus having a magnetic head supporting mechanism which includes a slider, a load beam having a spring portion and a pivot, and a gimbal having a mounting portion on which the slider is mounted. The gimbal has flexible finger portions spaced from... | 07/24/2007 |
| 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 |
| 7230798 | Head support device and disk drive using the same A low profile head support device has excellent shock resistance and can apply necessary and sufficient biasing forces to a head and a disk drive using the same. The head support device includes a head; head suspension 2 to suspend the head; base arm 4... | 06/12/2007 |
| 7230796 | Features for improved slider attachment A slider for supporting at least one transducer includes a slider body having a bearing surface and an opposing mounting surface. The slider also includes at least one adhesive control feature formed on the mounting surface to increase a surface area on which an adh... | 06/12/2007 |
| 7218478 | Disk drive with negative-pitch slider having protrusion pad contacting the disk when the disk is rotating at operating speed A magnetic recording disk drive has a negative-pitch slider in near-contact or continuous-contact with the disk during reading and writing of data. When the disk is rotating at its operating speed, the slider has its upstream or leading portion located closer to the... | 05/15/2007 |
| 7199980 | Plate welding structure and head suspension A head suspension provided with a plate welding structure relaxes a laser beam positioning accuracy, improves a mass production ability, suppresses the generation of spattered matter, and prevents the deformation of plates during welding. The head suspension ... | 04/03/2007 |
| 7199979 | Head gimbal assembly using slider and gimbal features A gimbal assembly includes a gimbal and a slider. The slider has at least one adhesive receiving feature which is formed on a mounting surface of the slider. The gimbal has a lock feature including at least one body that protrudes from a slider-engaging surface and ... | 04/03/2007 |
| 7196512 | Magnetic head tester The magnetic head tester of the present invention drives a medium for rotation to float a slider from the medium so as to test a magnetic head for its characteristics, and the tester includes a holder removably holding the slider opposed to the surface of the medium... | 03/27/2007 |
| 7194083 | System and method for interfacing plain old telephone system (POTS) devices with cellular networks A system and method for interfacing plain old telephone system (PATS) devices with a cellular network is presented. In a broad sense, the system includes an interface that bridges the POTS devices with the cellular network. The interface is configured to convert POT... | 03/20/2007 |
| 7184244 | Method for flying a disk drive slider having a high pressure micropad ABS A slider for a disk drive is disclosed. In one embodiment, the slider includes an air bearing pad that contains a read/write transducer. This particular air bearing pad is small. High pressures are exerted on this small air bearing pad while the slider is flying in ... | 02/27/2007 |
| RE39478 | Magnetic head suspension assembly fabricated with integral load beam and flexure A magnetic head suspension assembly is fabricated with an integral piece which includes a load beam section, a flexure section, a rest mount section and a leaf spring section between the load beam and rear mount. A tongue extends from the load beam to the flexure an... | 01/23/2007 |
| 7130157 | Head suspension having a displacement limiter A suspension including a load beam, a flex gimbal, and a displacement limiter. The load beam includes a distal end having a dimple extending downwardly therefrom and an aperture. The flex gimbal includes a base dielectric layer and a plurality of electrical conducto... | 10/31/2006 |
| 7130159 | Magnetic disk apparatus A head support mechanism includes a head to write/read information, and a head support member to support the head. The head support member has parts delimiting an opening at a portion thereof in which opposing parts which delimit the opening in a width direction of ... | 10/31/2006 |
| 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 |
| 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 |
