| Entries |
| Document | Title | Date |
|---|
| 20080225433 | METHOD AND APPARATUS FOR ASSEMBLING A CARRIAGE ASSEMBLY - A method and apparatus for assembling a carriage assembly attach suspensions to carriage arms without deformation and with higher accuracy than with the conventional art. | 09-18-2008 |
| 20080231989 | ROTOR MAGNET, SPINDLE MOTOR COMPRISING THE SAME, RECORDING AND REPRODUCING APPARATUS, AND JIG FOR MANUFACTURING THE SAME - An object of the present invention is to provide a rotor magnet that is capable of adjusting attraction of magnet that is mounted in a spindle motor, a spindle motor including the same, a recording and reproducing apparatus, and a jig for manufacturing the same, with a simple configuration. A rotor magnet | 09-25-2008 |
| 20080239562 | IMPACT BUFFER, IMPACT BUFFERING DEVICE, AND INFORMATION PROCESSOR HAVING IMPACT BUFFERING DEVICE - An impact buffer having a high buffering effect includes two or more impact buffering members with different hardness, contacted with at least one surface of a side surface part of an HDD unit positioned orthogonally to the rotation surface of a magnetic disk of the HDD unit, supports the HDD unit, buffers an impact applied to the HDD unit by expansion and contraction, further moderates the rotation of the HDD unit in the direction causing a head arm to move onto the disk at rest, prevents the head detachment, and can overcome the weaknesses of the head arm and an inertial latch structure. | 10-02-2008 |
| 20080247081 | Flex cable assembly for vibration reduction in HDD applications - A hard disk drive flex cable assembly conveys data between a connector to a host system and a head stack assembly. It comprises a flex cable which in part has a first end for coupling to the connector, and a second end for coupling to the head stack assembly; and a stiffener coupled to the second end. The stiffener comprises an end formed to approximate a J-shape. A filling material is applied to the concave surface of the J-shape, whereby a dynamic response frequency of the flex cable assembly is moved away from a dynamic response frequency of the head stack assembly upon which the flex cable assembly is coupled. | 10-09-2008 |
| 20080259492 | Lapping plate texture for increased control over actual lapping force - A slider lapping texture for implementation in a lapping environment. The slider lapping texture includes a lapping texture structure for utilization in a lapping process performed on a slider. The structure also includes a first surface having a base elevation. The structure further includes a second surface at an elevation higher than the base elevation. The second surface is for lapping the slider. The structure additionally includes an opening for expelling residue associated with a lapping process. The slider lapping texture is configured to generate an attractive force when the slider is motioned thereupon in a substantially unidirectional manner. | 10-23-2008 |
| 20080297943 | Ramp in Hard Disc - The present invention discloses a hard disk drive head loading and unloading device, including a working division and a positioning division. The working division and the positioning division are fixedly connected or integrated as a whole, the former being provided with a slide rail on which a magnetic head can move, the latter a structure for mounting and positioning. The positioning division has an underside and two side faces, the underside being flat, the side faces having positioning bulges protruding from their surfaces, respectively; and the underside and the positioning bulges constitute the positioning structure of the head loading and unloading device. The present invention has the following advantages: Positioning of the head loading and unloading device through a combination of face contact of the underside and point contact of the bulge on the side face can not only ensure the mounting stability, but also consumedly reduce the face positioning error; meanwhile, the bulge-type positioning structure feels better for an operator and makes it easy to judge whether the members are in place, thus guaranteeing improvement in positioning precision of the head loading and unloading device from structure. | 12-04-2008 |
| 20090073605 | BI-DIRECTIONAL DEBRIS SWEEPING PROFILE - A bidirectional disc sweep routine accelerates the transducer in a storage device from a first predefined radius toward the inner radius to a second predefined radius, and accelerates the transducer from a third predefined radius toward the outer radius to a fourth predefined radius. | 03-19-2009 |
| 20090073606 | AIRFLOW DIVERTER PLATE IN A DATA STORAGE DEVICE - A data storage medium has a spinning outer diameter that generates a flow stream. A hub joins to actuator arms that are separated by a slot. The outer diameter and the flow stream pass through the slot. A support plate projects from the hub into the slot and faces in a direction that is generally transverse to the flow stream. A diverter plate is positioned in the slot upstream of the support plate. The diverter plate diverts the flow stream toward the outer diameter. | 03-19-2009 |
| 20090122443 | Disk Drive Carrier Assembly and Method - A disk drive carrier assembly for carrying plural disk drives is provided. The assembly has a casing having first and second opposed ends, opposed sides, a top and a bottom. Drive cards are provided in the casing. Each drive card has a disk drive receiving portion for receiving a disk drive and provides at least one of a power and a data connection to a disk drive. A baffle arrangement splits an air stream entering the casing at a first end of the casing to flow over the disk drive receiving portion of each of the drive cards. The drive cards and the baffle arrangement are arranged so that air flows only in parallel over the disk drive receiving portion of each of the drive cards. In this way, each disk drive receiving portion receives air that has not passed over another disk drive receiving portion of the assembly. | 05-14-2009 |
| 20090154006 | REMOVABLE HARD DISK DEVICE - A removable hard disk device includes a handle, a first holder, a hard disk drive located between the handle and the first holder, and two second holders pivotally connected to the handle and detachably connected to the first holder and the hard disk drive respectively for firmly holding the hard disk drive between the handle and the first holder. When the second holders are forced to pivotally move outwardly relative to each other, the second holders will be separated from the first holder and the handle such that the hard disk drive can be dismounted from the first holder without using any tool. | 06-18-2009 |
| 20090168233 | Manufacturing method of hermetic connection terminal used in a disk drive device having hermetically sealed enclosure and disk drive device - To efficiently manufacture a feedthrough used in a disk drive device having a hermetically sealed enclosure, embodiments of the present invention manufacture a feedthrough used in an HDD having a hermetically sealed enclosure. An embodiment of a manufacturing method of the present embodiment manufactures a columnar body, cuts the columnar body in the direction vertical to the axes of pins, and cuts out a feedthrough. Then, necessary plating is made on the outer surfaces of the cut out feedthrough. The columnar body comprises a hollow tube, a plurality of pins inserted inside the tube, and an insulating sealant filled inside the tube. This manufacturing method achieves efficient manufacture of the feedthrough. | 07-02-2009 |
| 20090237835 | Switching field controlled (SFC) media using anti-ferromagnetic thin layer in magnetic recording - A patterned disk for a hard disk drive. The patterned disk includes an anti-ferromagnetic layer of Fe | 09-24-2009 |
| 20090279203 | SYSTEM, METHOD AND APPARATUS FOR INTEGRATED BYPASS CHANNEL AND DIVERTER FOR HARD DISK DRIVES - An integrated bypass channel and diverter assembly for hard disk drives having small form factors is disclosed. A bypass channel is formed directly in the base plate to allow a partial bypass to exist with or without a diverter feature. The design addresses the issue of proper disk shrouding at the same time as providing the desired features for small form factor drives. The invention includes three datum planes for aligning the machined features of the bypass channel with the drive during assembly. The machined bypass channel and the upstream diverter may be combined to form the integrated assembly. The primary air flow direction from the disk stack is through the integrated partial bypass in the enclosure body and around the diverter into the main bypass channel. The invention provides a drop-in position for the diverter that has minimal encroachment into the VCM area of the drive. | 11-12-2009 |
| 20100177438 | SNUBBER FOR DISC DRIVE FOR PREVENTION OF USER REPORTED DEFECTS - A disc drive snubber for protection of a disc drive disc from mechanical shock, the snubber positioned to limit the deflection of the disc in the operational mode, the position of the disc snubber determined in response to user reported defects. The snubber, positioned beneath the disc in near proximity to the outer diameter of the disc, extends along about a 60 degree segment of the disc and is made of a FIPG material. | 07-15-2010 |
| 20100277830 | TAMPER EVIDENT TAPE WITH INTEGRATED EMI SHIELDING - The present invention provides a multilayer tape for simultaneously providing shielding of electromagnetic interference (EMI) and evidence of tampering with an electronic device to which it is applied. The multilayer tape can be attached to an electronic device to cover a seam or other opening in the electronic device. An embossed surface provides evidence of the disruption of the tape, and the tape includes a conductive adhesive to provide EMI shielding. The multilayer tape is particularly useful for sealing the seams of a disk drive device. | 11-04-2010 |
| 20100296190 | FLUID DYNAMIC BEARING APPARATUS, SPINDLE MOTOR, AND DISK DRIVE APPARATUS - A fluid dynamic bearing apparatus includes a first minute gap, a second minute gap, a third minute gap, a fourth minute gap, and a fifth minute gap. A flow of a lubricating oil from the fifth minute gap to the fourth minute gap is caused by a plurality of dynamic pressure generating grooves arranged within the fluid dynamic bearing apparatus. This flow causes air bubbles mixed in the lubricating oil within the fifth minute gap to flow toward the third minute gap and be discharged to an outside through the third minute gap. In addition, a flow of the lubricating oil into the third minute gap caused by a centrifugal force accompanying rotation is inhibited. | 11-25-2010 |
| 20110007419 | DISK DRIVE - According to one embodiment, a disk drive includes a housing, a drive unit configured to drive a disk recording medium in the housing, and a head actuator configured to support a head. A wall portion of the housing includes a first rib formed into a circular arc having a first center C | 01-13-2011 |
| 20110032638 | PERPENDICULAR MAGNETIC RECORDING MEDIUM, MANUFACTURING PROCESS OF THE SAME, AND MAGNETIC RECORDING/REPRODUCING APPARATUS USING THE SAME - Embodiments of the invention provide a perpendicular magnetic recording medium improved for fly ability, high in read signal quality, and capable of suppressing magnetic decay of recorded magnetization to be caused by stray fields. In one embodiment, a perpendicular recording layer is formed over a substrate with a soft magnetic underlayer therebetween, then an amorphous or nano-crystalline layer is formed between the substrate and the soft magnetic underlayer. The soft magnetic underlayer includes first and second amorphous soft magnetic layers, as well as a nonmagnetic layer formed between those first and second amorphous soft magnetic layers. The first and second amorphous soft magnetic layers are given uniaxial anisotropy in the radial direction of the substrate respectively and coupled with each other antiferromagnetically. | 02-10-2011 |
| 20110102939 | SPIN VALVE ELEMENT, METHOD OF DRIVING THE SAME, AND STORAGE DEVICE USING THE SAME - Provided is a spin valve element capable of performing multi-value recording, which includes a pair of ferromagnetic layers having different coercivities from each other, and sandwiching an insulating layer or a non-magnetic layer. The ferromagnetic layer having the smaller coercivity has a substantially circular in-plane profile, and a plurality of island-shaped non-magnetic portions I | 05-05-2011 |
| 20110157743 | BEARING DEVICE AND SWING ARM ASSEMBLY FOR MAGNETIC DISK - A bearing device includes a shaft having an axis, plural rolling bearings arranged at axially separated positions and rotatably supporting the shaft, a first cylindrical member for supporting the rolling bearings therein and having a first screw on a part of an outer surface thereof, a second cylindrical member having a second screw engaging with the first screw on an inner surface thereof and mounted to the outer surface of the first cylindrical member by engaging the first screw with the second screw, a restricting member provided on the outer surface of the second cylindrical member for preventing relative axial movement of the second cylindrical member with respect to the first cylindrical member when a portion of the second member contacts the restricting member. | 06-30-2011 |
| 20110176240 | DISK DRIVE DEVICE THAT ROTATES A DISK - A disk drive device comprises a hub on which a magnetic recording disk is to be mounted; a base rotatably supporting the hub through a bearing unit; a sintered core fixed to the base, the sintered core having a ring portion and nine teeth that extend radially from the ring portion; coils wound around nine teeth; and a cylindrical magnet fixed to the hub. The sintered core is formed by heat-treating an iron powder. At least one of (a) the surfaces of particles of the iron powder and (b) the surfaces of the sintered core is insulated. | 07-21-2011 |
| 20110310509 | HERMETICALLY SEALING A HARD DISK DRIVE - A HDD comprising an internal base plate comprising a porous material and configured for attachment of internal components of the HDD, an external hermetic base plate comprising a non-porous material and configured to hermetically seal the HDD, an external attachment base plate comprising fastening features and an external hermetic cover hermetically sealed to the external hermetic base plate. | 12-22-2011 |
