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| Number | Title | Issue Date |
| 8049995 | Baseplate hub geometry for reduced after-swaging suspension deflection A method of designing a hard disk drive suspension swage hub geometry for an actuator arm having upper and lower suspensions attached thereto, includes using a finite element analysis model to simulate the effects of swaging the suspensions to the actuator arm, iden... | 11/01/2011 |
| 7633717 | Pre-shaped head suspension baseplate for swaging deformation compensation A baseplate has a flange and a boss tower with an opening for receiving a swaging ball during a swaging process. The flange has a pre-swaging profile that compensates for swaging-induced deformation of the flange. A portion of the baseplate is clamped into a flatten... | 12/15/2009 |
| 7595961 | Base member and information storage apparatus In an information storage apparatus, a relatively thin attachment member has a cylindrical boss section projecting from a surface thereof and a path passing through the attachment member and reaching the extreme end of the boss section and is attached to a relativel... | 09/29/2009 |
| 7450344 | Remelted Magnetic head support structure in a disk drive A magnetic head supporting structure comprises a metal purified by vacuum arc remelting, vacuum induction melting, electroslag remelting, or electroslag remelting under vacuum, in at least one of the regions that undergo plastic deformation during disk drive manufac... | 11/11/2008 |
| 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 |
| 7339767 | Baseplate for a disk drive head suspension A baseplate for swaging a head suspension to an actuator arm includes a flange with an opening having a back bore diameter and a boss tower extending from the flange and having an outer diameter. The back bore diameter is less than or equal to about 105% of the oute... | 03/04/2008 |
| 7324307 | Plated base plate for suspension assembly in hard disk drive A swage mount that includes a flange, having a first side and a second side, and a cylindrically shaped hub. The hub is primarily comprised of a metal (such as stainless steel), and extends from the second side of the flange, and has an inner surface and an outer su... | 01/29/2008 |
| 7304824 | Plated base plate for suspension assembly in disk drive A swage mount for a recording head suspension comprising a flange, and a hub made of a base metal extending from the flange, and at least an outer surface of the hub is plated with one or more layers of metal which provides increased retention torque, and/or increas... | 12/04/2007 |
| 7293351 | Apparatus for protecting and merging a head stack assembly An apparatus for protecting and merging a head stack assembly with a disc stack of a data storage device. The head stack assembly comprises a cantilevered flexure which supports a transducer at a distal end thereof. A carrier includes a carrier support surface arran... | 11/13/2007 |
| 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 |
| 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 |
| 7221541 | Magnetic head supporting mechanism A magnetic head supporting mechanism includes a head positioning actuator having an arm, and a load beam connected to the arm. The load beam has a gimbal. The gimbal includes a magnetic head slider fixing portion on which a magnetic head slider having a magnetic hea... | 05/22/2007 |
| 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 |
| 7199970 | Damped disc drive assembly, and method for damping disc drive assembly A disc drive assembly is provided including a head disc assembly, a housing having a base and a cover cooperating with one another to form a chamber in which the head disc assembly is housed, and a damper structure in operative association with the housing for dampe... | 04/03/2007 |
| 7190555 | Micro-hub swage mount for attachment of suspension assembly in hard disk drive A disc-drive assembly including an actuator arm, a load beam and a swage mount. The actuator arm has a thickness (TA), an arm tip with a width (WA), and arm-hole with a diameter (DA) in the actuator arm. The load beam has a load beam... | 03/13/2007 |
| 7170716 | 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... | 01/30/2007 |
| 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 |
| 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 |
| 7158350 | Ground interconnects Apparatus and method for grounding a flexure of a head suspension assembly to a moving support such as an actuator arm or an E block close to a preamplifier, write driver or other wiring such as a flexible circuit located on the moving support in a disk drive assemb... | 01/02/2007 |
| 7130156 | Suspension base plate with boss tower having tapered swage ball-engaging surface A base plate adapted to attach a head suspension assembly to an actuator arm. The base plate includes a flange portion with a boss tower perpendicular to a plane of the flange portion. The boss tower includes a swaging hole with a tapered portion that increases in d... | 10/31/2006 |
| 7124496 | Method of manufacturing head suspension for disk drive A head suspension for a disk drive has a base plate (19) to be attached to a carriage of the disk drive and a load beam (21) consisting of a rigid part (27) and a resilient part (29), to apply load onto a slider. The rigid part and resili... | 10/24/2006 |
| 7099118 | One-piece suspension assembly including interconnect An integrated suspension assembly including interconnect is used to provide an electrical and mechanical connection between an actuation system and a slider. The suspension assembly includes a multi-layer laminate substrate having a base layer, an insulator layer an... | 08/29/2006 |
| 7092216 | Disk drives and actuator assemblies having a pair of bonded voice coil supporting arms An actuator arm assembly for a disk drive includes first and second stamped actuator arms including first and second arm portions, first and second body portions defining first and second body surfaces, and first and second coil-supporting arm portions defining firs... | 08/15/2006 |
| 7068469 | Head supporting assembly, head driving assembly, and disk drive apparatus A head supporting assembly has high flexibility, while applying a necessary and sufficient pressing force to a head, is excellent in shock resistance, and provides a stabilized pressing force not affected by manufacturing variations, and a head driving assembly and ... | 06/27/2006 |
| 7042680 | Swaging-optimized baseplate for disk drive head suspension A baseplate for swaging a disk drive head suspension to an arm having a thickness and a neutral axis. The baseplate includes a boss tower having an outer diameter high point configured to be located within about ±6% of the arm thickness from the neutral axis when s... | 05/09/2006 |
| 7031117 | Modular rotary actuator assembly for a rotatable media data storage device Assemblies in accordance with the present invention can access a data storage medium having one or more disks. One such assembly comprises a mounting block including a bore and spacer, an arm stack connected with the top surface of the spacer, and a bottom arm conne... | 04/18/2006 |
| 7024754 | Method of assembling an actuator assembly of a disk drive and of reducing torque out retention values in subsequent de-swaging A method is provided for assembling an actuator assembly of a disk drive. The method includes providing an actuator arm, providing a suspension arm, fixing a swage plate to the suspension arm, the swage plate including a swage boss extending therefrom, depositing a ... | 04/11/2006 |
| 7027251 | Method and apparatus to control pole tip protrusion A method and apparatus to control the amount by which thermal expansion causes a write head to extend toward a disk is provided. In one aspect, a single write operation uses two or more different write currents. A first write current is initially used, and is large ... | 04/11/2006 |
| 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 |
| 6958890 | Head stack assembly including laminated nut plate with damping layer interposed between metal layers A head stack assembly for use in a disk drive. The head stack assembly includes an actuator body. The head stack assembly further includes an actuator arm extending from the actuator body. The actuator arm includes an arm tip portion. The head stack assembly further... | 10/25/2005 |
| 6956720 | Head suspension for disk drive having a recess between a flange contact face and a boss A head suspension for a disk drive has a load beam, a base plate, and a recess. The base plate has a thin flange and is capable of improving the attaching accuracy and strength of the head suspension to a carriage arm of the disk drive. The base plate has the flange... | 10/18/2005 |
| 6940697 | Interconnection scheme for head arms of disk drive actuator The invention includes at least one head arm providing head electrical interconnection as essentially parallel traces on at least one face of the head arm using the metallic body of the head arm as a ground plane. This insures that the neighboring pairs of parallel ... | 09/06/2005 |
| 6940696 | Head suspension for disk drive having a contact face to receive jig A head suspension for a disk drive includes a plate that is easily and correctly be attached to a carriage of the disk drive and improves the attaching accuracy and strength of the head suspension to the carriage. The head suspension includes the plate and a load be... | 09/06/2005 |
| 6772506 | Method for detaching swaged components of a disc drive A method for detaching a suspension assembly adapted to support a head staked to an actuator arm of an actuator block of a disc drive. The method includes the steps of inserting an expandable device having an expandable flanged end, expanding a dimension of the inse... | 08/10/2004 |
| 6754044 | Swage mounting using surface protrusions Provided is a component for use in swage mounting that includes a base plate, having a first side and a second side, and a hub which preferably is cylindrically shaped. The hub is primarily comprised of a first material (such as stainless steel), extends from the se... | 06/22/2004 |
| 6728072 | Intergral base plate with boss tower A head suspension assembly in a rigid disk drive having a load beam with a mounting region, a rigid region and a spring region located between the mounting region and rigid region. The mounting region includes an integral boss tower having attachment features. A met... | 04/27/2004 |
| 6704995 | Method for swaging a suspension assembly to an actuator arm of an actuator block A method for swaging a suspension assembly to an actuator arm of a data storage device is disclosed. The method includes steps of inserting a deformable tubular stake into an aperture of an actuator arm and inserting an expandable swaging member into a channel of th... | 03/16/2004 |
| 6697227 | Head suspension for disk drive and method of manufacturing head suspension A head suspension for a disk drive has a base plate (19) to be attached to a carriage of the disk drive and a load beam (21) consisting of a rigid part (27) and a resilient part (29), to apply load onto a slider. The rigid part and resilient part are sepa... | 02/24/2004 |
| 6697224 | Baseplate for arm and suspension assembly The present invention provides a baseplate comprising a cylindrical hub, a flat flange, and one or two circular notches of a "V" or "U" shape etc. formed in said flange. This baseplate has the advantages of smaller deformation and larger retention torque ... | 02/24/2004 |
| 6634084 | Method of attaching magnetic recording heads to actuator arms using thermoplastic bonding A method of bonding a magnetic disk drive head suspension to an actuator arm. The actuator arm has a boss hole therein and the suspension includes a base plate with an inside diameter or barrel therein. A thermoplastic cylindrical core is fabricated with ... | 10/21/2003 |
