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| Number | Title | Issue Date |
| 8116038 | Depopulated disk drive head stack assembly having a necked dummy mass with relief alcoves A novel disk drive head stack assembly (HSA) includes a first head gimbal assembly attached to a first actuator arm. A dummy mass is attached to a second actuator arm. The dummy mass includes a mounting plate portion defining a mounting plate width. The mounting pla... | 02/14/2012 |
| 8094412 | Magnetic disk device and head stack assembly Embodiments of the present invention relate disk drives, and in particular to realizing a positioning accuracy equal to that of an actuator having the mountable maximum number of suspensions, in an actuator having the smaller number of suspensions than the mountable... | 01/10/2012 |
| 7952835 | Head stack assembly with suspension supporting head slider and hard disc drive including the same A head stack assembly (HAS) of a hard disk drive (HDD) includes a swing arm, a connection plate integral with a terminal end of the swing arm, a head slider including a magnetic head for reading/writing data from/onto a disk, and a suspension that is attached to the... | 05/31/2011 |
| 7898770 | Disk drive suspension assembly with a hinge arm attached at a recessed surface A disk drive suspension assembly includes a load beam, a first hinge arm, a second hinge arm, a base plate, and a flexure that includes a head mounting surface. The base plate has a first base plate layer that includes a first base plate side and an opposing second ... | 03/01/2011 |
| 7889459 | HDD and HDD stack assembly with head suspension having multiple combination parts and spacer A head stack assembly (HSA) for a hard disk drive (HDD) comprises a swing arm rotatably coupled to a base member of the HDD, a connection plate coupled to an edge part of the swing arm, a head suspension component attached to the connection plate, and a head slider ... | 02/15/2011 |
| 7706104 | Rotating disk storage device having a carriage formed with non-binding pads Embodiments of the invention enhance a mounting precision of a head gimbal assembly with respect to a carriage. In one embodiment, a rotating disk storage device comprises a magnetic disk; head gimbal assemblies each including a slider provided at a front end thereo... | 04/27/2010 |
| 7692900 | Head stack assembly, and storage having the same A head stack assembly includes a suspension that supports a head that records information in or reproduces the information from a recording medium, a base plate that attaches the suspension to an arm that rotates the suspension, and a suspension substrate provided o... | 04/06/2010 |
| 7688549 | 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... | 03/30/2010 |
| 7663841 | Resonance control features for a head gimbal assembly The present invention provides an interface for improving resonance control. The interface includes a first member having a first coupling portion, a mounting surface having a second coupling portion for coupling to the first coupling portion of the first member, an... | 02/16/2010 |
| 7570458 | Disk drive suspension with reduced off-track error Apparatus for a disk drive having an actuator controlled suspension in operative association with a disk. The suspension mounting plane datum plane and suspension datum plane diverge at an acute angle. When the suspension is subjected to use conditions including see... | 08/04/2009 |
| 7564651 | Integrated-lead suspension vibration-canceling member An apparatus, system, and method are disclosed for compensating for high-gain vibration modes resulting from asymmetrical traces in integrated lead suspensions in hard disk drives. A compensation member secures to an actuated arm opposite a mount plate securing a he... | 07/21/2009 |
| 7542240 | Vertically engaging snap-on arm mounts for disk drive head suspensions Mounts for securing magnetic disk drive head suspensions to actuator arms. The mounts include structures that snap onto the actuator arm to provide a secure friction fit engagement. The mounts can be efficiently removed to permit rework of the suspension and head co... | 06/02/2009 |
| 7502203 | Hard disk drive suspension employing a vertical offset to reduce track mis-registration induced by disk vibration Apparatus and method for reading and writing information onto a hard disk drive is provided. The apparatus includes a suspension assembly for a hard disk drive. The suspension assembly includes at least two spring extensions that couple to a proximal portion of a lo... | 03/10/2009 |
| 7502204 | Structures for attaching a head gimbal assembly and an actuator arm An assembly for attaching a first element to a second element. The assembly includes a first non-metallic connecting member. The first non-metallic connecting member includes a first member having a first surface and a second member. The second member extends substa... | 03/10/2009 |
| 7471488 | Load beams for disk drive head suspensions having snap-on mounts comprising deflectable arms with spring tabs for engaging an aperture in the actuator arm Mounts for securing magnetic disk drive head suspensions to actuator arms. The mounts include structures that snap onto the actuator arm to provide a secure friction fit engagement. The mounts can be efficiently removed to permit rework of the suspension and head co... | 12/30/2008 |
| 7466518 | Slidably engaging snap-on arm mounts for disk drive head suspensions Mounts for securing magnetic disk drive head suspensions to actuator arms. The mounts include structures that snap onto the actuator arm to provide a secure friction fit engagement. The mounts can be efficiently removed to permit rework of the suspension and head co... | 12/16/2008 |
| 7424774 | Method of manufacturing a head actuator assembly and a disk drive A head actuator assembly of a disk device has a suspension which supports a head, an arm which supports the suspension and is rotatably supported by a bearing portion, signal wires which extend on the suspension and the arm and are connected electrically to the head... | 09/16/2008 |
| 7417830 | Head gimbal assembly with dual-mode piezo microactuator A disk drive suspension has a load beam having a base, a flexure for carrying a slider, and a mount plate. The suspension mount plate has a first portion attachable to an actuator and movable by the actuator as the primary shifting force on the load beam, suitable f... | 08/26/2008 |
| 7359158 | Suspension of disc drive A suspension for disc drive has a base portion including a base plate, a load beam, a pair of hinge members, a wired flexure, etc. The wired flexure has a metal base and a wiring portion on the metal base. The hinge members are fixed overlapping the rear end portion... | 04/15/2008 |
| 7346976 | Method for manufacturing a suspension for disc drive The method for manufacturing a suspension for disc drive includes a process for manufacturing a semi-finished suspension product integrally including a base plate, a rigid body portion of a load beam, and a pair of connecting portions connecting the base plate and t... | 03/25/2008 |
| 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 |
| 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 |
| 7330338 | Method for adjusting pitch and roll in a head suspension Apparatus and method for adjusting at least one of a pitch and roll parameter of a gimbal for a head suspension assembly having a pair of members contacting at least one gimbal arm at spaced apart locations and having an additional member contacting the gimbal arm i... | 02/12/2008 |
| 7327536 | Suspension with integrally formed load beam load-generation member An HGA includes a head slider having at least one head element, a resilient flexure for supporting the head slider to control flying attitude of the head slider, a load beam, supporting the flexure at its top end section, for applying a load in a direction perpendic... | 02/05/2008 |
| 7312953 | Head suspension assembly and disk drive using the same A head suspension assembly includes a head, a load beam carrying the head at one end, a resilient member joining the load beam and a carriage, and a pivot bearing provided between the load beam and the carriage and structured so that the load beam is movable in a di... | 12/25/2007 |
| 7304823 | Suspension for head slider having higher resistance to vibration A suspension for a head slider includes a load beam. A base material of the load beam is covered with first and second elastic films extending on the front and back surfaces of the base material. The second elastic film is continuous with the first elastic film. The... | 12/04/2007 |
| 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 |
| 7301729 | Suspension, head gimbal assembly with multilayered plate suspension having ribs and disk drive apparatus with head gimbal assembly A suspension includes a multilayered plate member formed by at least three layers laminated together. The modulus of elasticity of neighboring layers of the at least three layers are different from each other. Both side edges of only a part of the layers of the mult... | 11/27/2007 |
| 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 |
| 7256968 | Microactuated dimple for head suspensions A head suspension for supporting a head slider over a disk in a dynamic storage device and providing precise movement of the head slider relative to tracks on the disk. The head suspension includes a load beam, a flexure having a slider mounting region, and a dimple... | 08/14/2007 |
| 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 |
| 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 |
| 7207097 | Method for making an actuator assembly for supporting a read/write device in an information storage device An actuator assembly for supporting a read/write device in an information storage device having an actuator arm having at least one tower protruding from a first surface of the actuator arm, a loadbeam having at least one tower receiving means for receiving the at l... | 04/24/2007 |
| 7203033 | Head gimbal assembly with an integrated mechanical and electrical attachment and a stiff plate A low cost, flex head gimbal assembly has a substrate with an attachment region, a flexure region and an integrated gimbal. The flex head gimbal assembly is electrically and mechanically connected to an actuator arm via solder bumps in the attachment region. A stiff... | 04/10/2007 |
| 7197812 | Method for loading single head in a hard disk drive A method for loading single head in a hard disk drive includes the following steps: mounting a head assembly (30) in a baseplate (10) of a hard disk drive, the head assembly comprising an actuator arm (32), a suspension (34) and a HGA, th... | 04/03/2007 |
| 7190554 | Magnetic head suspension A magnetic head suspension of the present invention includes a flexure, a load-bent portion, a load beam and a base portion. The base portion has a main body and an embedded body embedded in the main body so as to be positioned in a region where the main body and th... | 03/13/2007 |
| 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 |
| 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 |
