| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 360234600 | Mechanical attachment of slider to its support | 19 |
| 20080239572 | SUSPENSION WITH BI-LAYER FLEXURE BASE - A flexure with improved temperature sensitivity is disclosed. An embodiment of the present invention includes a bi-layered flexure that raises or lowers a read/write element a distance that is approximately equal to the distance of protrusion and retraction at varying temperatures. | 10-02-2008 |
| 20080247088 | Micro-actuator having at least one segmented flexible side arm, and method of making the same - Certain example embodiments described herein relate to a micro-actuator for use with an HGA and/or disk drive device. A substantially U-shaped frame may include a cavity capable of receiving a slider. The frame may include two segmented, flexible side arms and a bottom support arm at least partially defining the cavity. Each segmented side arm may have a PZT element mounted on an outer surface thereof facing away from the cavity, and each may include a lower portion proximate to the bottom support arm and an upper portion disposed at an end opposing the bottom support arm. The lower portion and the upper portion may be at least partially separated by a gap. Accordingly, micro-actuators having better resonance and servo performance, reduced difficulties associated with the slider/micro-actuator mounting process, and/or better shock performance may be provided. | 10-09-2008 |
| 20080266713 | Suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit with the same - A suspension for a HGA includes a suspension flexure and an out trigger. The suspension flexure has a tongue region having a first flexure part in a tip portion thereof for mounting a trailing edge of a slider and a PZT mounting region for mounting PZT elements. One end of the out trigger is connected to the suspension flexure, and the other end of the out trigger has a trigger support portion which extends above the tongue region so as to support the leading edge of the slider. The structure of the out trigger is capable of stiffening the tongue region of the suspension flexure and, in turns, avoiding the deformation problem and the dimple separation problem during the manufacturing process or in vibration or shock events. The invention also discloses a HGA with the suspension, manufacturing methods of the HGA and a disk drive unit having such HGA. | 10-30-2008 |
| 20080266714 | Suspension and fabricating method thereof, head gimbal assembly and disk drive device - A suspension for supporting a head slider has a flexure, several trace patterns positioned on the flexure, front flexure-bonding pads disposed on the flexure at a position corresponding to a leading edge of the head slider and connected to the trace patterns, and rear flexure-bonding pads disposed on the flexure at a position corresponding to a trailing edge of the head slider and connected to the trace patterns. The front and the rear flexure-bonding pads and the trace patterns are integrally formed and disposed on the flexure at the same time, so the fabricating process is simplified and there is no alignment problem for bonding location. This can ensure the connection strength and position between the head slider and the suspension changeless and, in turns, ensure a good attitude of the head slider. The invention also discloses a HGA and a disk drive device with such suspension, and a fabricating method for the suspension. | 10-30-2008 |
| 20080273268 | PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH COPLANAR MAIN POLE AND RETURN POLES AND MAGNETIC RECORDING SYSTEM - A perpendicular magnetic recording write head has a main pole and return poles that are substantially coplanar. The write head includes a main pole, two return poles and a connecting stud that are all formed as a single layer in a single deposition and patterning step. The coplanar main and return poles lie in a plane parallel to the cross-track direction. The two return poles are thus spaced from the main pole in the cross-track direction. The main pole includes a write pole connected to it but lying in a plane spaced in the along-the-track direction from the plane of the main pole. The write head includes a helical coil wrapped around the main pole. The magnetic flux path is from the write pole to the disk recording layer in a data track aligned with the write pole, to the disk underlayer beneath the recording layer, through the underlayer to data tracks spaced cross-track from the data track aligned with the write pole, and back through the return poles. | 11-06-2008 |
| 20080273269 | DISK DRIVE HEAD SUSPENSION FLEXURES HAVING ALTERNATING WIDTH STACKED LEADS - An integrated lead flexure for a disk drive head suspension of the type having a plurality of stacked leads disposed on separate layers, the plurality of stacked leads extending between terminal connector pads and head connector pads, comprising stacked lead pairs having opposing and regularly alternating wider and narrower portions, respectively. | 11-06-2008 |
| 20090002889 | O-Ring free cooling pallet for hard disk drive slider carriers - An o-ring free cooling pallet for holding a carrier is disclosed. The pallet comprises a first clamp fixed to a planar surface of the pallet for coupling with a first edge of the carrier. The pallet also comprises a second clamp removably coupled to the planar surface of the pallet for coupling with a second edge of the carrier, wherein the second clamp comprises a spring mechanism for applying a force to the second edge of the carrier that is substantially parallel to the planar surface, the force for coupling the carrier to the pallet. | 01-01-2009 |
| 20090059431 | SUSPENSION, HEAD GIMBALS ASSEMBLY, METHOD FOR MANUFACTURING HEAD GIMBALS ASSEMBLY, STORAGE APPARATUS, AND APPARATUS FOR MANUFACTURING HEAD GIMBALS ASSEMBLY - This head gimbals assembly has a head slider, a flexure, and a load beam. The head slider has a head element and slider-side connection terminals. The flexure has a free end, a fixed end, a slider mounting portion and suspension-side connection terminals connected to the slider-side connection terminals. The load beam fixes a fixed end of the flexure on the side opposite to a flexure surface on which the head slider is mounted a connecting portion for interconnecting the suspension-side connection terminals and the slider mounting portion has higher resiliency than other portion of the connecting portion. According to a suspension in the present embodiment, a head gimbals assembly can be easily manufactured without wastefully discarding the suspension even when the desired evaluation result is not obtained because of problems in the head characteristics and the floating surface of the head slider. | 03-05-2009 |
| 20090073611 | Suspension for mounting slider, head gimbal assembly and disk drive unit with the same - A suspension for a HGA includes a flexure having a suspension tongue with electrical pads adapted for mounting a slider thereon. The suspension tongue has some portions etched with left portions therebetween forming into at least one hinge or spring mechanism for releasing thermal deformation of the suspension tongue and suppressing thermal crown change of the slider. The etched portions have an H-shaped, an M-shaped, an X-shaped, or a stairway configuration, or the like. The invention also discloses a HGA with the suspension and a disk drive unit having such suspension. | 03-19-2009 |
| 20090251823 | Write head with common mode termination resistor - A write circuit and a head for a hard disk drive. The head includes a substrate that has an electrical ground and a write element that has a center tap. The head also has a resistor that is connected to the center tap and the electrical ground. The resistor provides a return path for AC and DC components of any common mode signal in a write circuit. The resistor can also generate heat that thermally expands the head and varies a head flying height. The write element is connected to an write driver circuit that provides in phase currents to a write element during the write operation and out of phase currents during a read operation. The out of phase currents allow for thermal expansion and flying height control even during a read operation. | 10-08-2009 |
| 20090268345 | HEAD SUSPENSION AND DISK DEVICE - A disk device has a head reading/writing data from and to a disk medium, a head slider supporting the head, a head suspension having a gimbal mounting the head slider, gimbal supports supporting the gimbal, traces having a wirings pattern, and a carriage arm supporting the head suspension. Further, the disk device has vibration sensors, each of the vibration sensors arranged at each side of a centerline of the head slider along a longitudinal direction of the head suspension and a signal processing circuit processing output signals from the vibration sensors so as to remove up/down vibration components. | 10-29-2009 |
| 20090279209 | 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 than a load bending center line BL of the elastic plate includes a parallel region that is fixed to the elastic plate, an intermediate region that extend to a distal end side through a proximal-side bending line along a suspension widthwise direction, and a distal region that extends to a distal end side through a distal-side bending line and is formed with a dimple with which a head-mounting region of a flexure part is brought into contact. The distal-side bending line is positioned in the vicinity of an intermediate point between the load bending center line and the dimple in a suspension lengthwise direction. | 11-12-2009 |
| 20090323220 | HEAD ARM ASSEMBLY, INFORMATION STORAGE DEVICE AND SUSPENSION - A head arm assembly includes: a slider which has a head executing recording and/or reproducing operations of information onto and/or from an information recording medium, and which approaches or comes into contact with the information recording medium, a leaf spring holding the slider at its one end, an arm holding the other end of the leaf spring, provided with a groove at a predetermined position, and a tail extending from the leaf spring in a form of a band, which is provided with a conductive pattern connected to the head along the band, in which a halfway position of the band in a longitudinal direction is mounted in the groove of the arm, one of both edges at the position is directed toward the arm, and the tail has projections and depressions in a widthwise direction of the band on an edge opposite to the arm at the position. | 12-31-2009 |
| 20110222190 | TEMPERATURE ASSISTED MAGNETIC RECORDING ELEMENT HAVING GROUNDED NEAR FIELD LIGHT GENERATOR - A magnetic recording element has a substrate, a main pole for recording that includes an edge part positioned on an air bearing surface (ABS), a waveguide through which a laser light propagates, and a plasmon generator. The plasmon generator is positioned away from the substrate and extends to the ABS as facing a part of the waveguide. The plasmon generator has a propagation edge extending in a longitudinal direction. The propagation edge has an overlapping part overlapping the waveguide in the longitudinal direction, and a near field light generator positioned on the ABS and located in the vicinity of the edge part of the recording magnetic pole. The overlapping part of the propagation edge is coupled with the laser light propagating through the waveguide in a surface plasmon mode so that a surface plasmon is generated. The propagation edge propagates the surface plasmon generated in the overlapping part to the near field light generator. The magnetic recording element further has a grounding element electrically connecting the plasmon generator and the substrate. | 09-15-2011 |
| 20120106005 | Magnetic Head Suspension - A load beam part, which includes a plate-like main body portion facing a disk surface and paired flange portions bended from both side edges of the main body portion in a suspension width direction so as to extend toward a direction opposite from the disk surface, is bended at first and second bending lines in such a convex manner as to project in the direction toward the disk surface, the first bending line being positioned between the proximal end portion of the load beam part and the dimple in the suspension longitudinal direction and extending along the suspension width direction, the second bending line being positioned between the first bending line and the dimple in the suspension longitudinal direction and extending along the suspension width direction. | 05-03-2012 |
| 20130057984 | BEARING APPARATUS AND INFORMATION RECORDING/REPRODUCTION APPARATUS - An inner race of a first rolling bearing is fixed to a shaft, and an outer race thereof is fixed to an inner race of a second rolling bearing. In the first bearing, the outer race and a rolling element contact each other on the side of a center of the rolling element closer to one end side in an axial direction, and the inner race and the rolling element contact each other on the side of the center of the rolling element closer to the other end side in the axial direction. In the second bearing, an outer race and a rolling element contact each other on the side of a center of the rolling element closer to the one end side, and the inner race and the rolling element contact each other on the side of the center of the rolling element closer to the other end side. | 03-07-2013 |
| 20130271875 | Magnetic Head Suspension - Assuming that a length in the suspension longitudinal direction between a distal edge of a supporting part and a dimple is represented by “L”, plural load beam part welding points at which spot welding are made for fixing a load beam part fixed region of a flexure base plate to a plate-like main body portion of a load beam part include paired right and left main welding points that are arranged symmetrically to each other with respect to a suspension longitudinal center line and that are disposed within a center region away from the distal edge of the supporting part by more than or equal to 0.4*L and less than or equal to 0.6*L. | 10-17-2013 |
| 20140022671 | DISK DRIVE SUSPENSION - A gimbal portion of a flexure is provided with first supporting portions to which first end portions of microactuator elements are secured and second supporting portions to which second end portions are secured. A first tongue portion is formed between the pair of first supporting portions. A leading-side portion of a slider is movably disposed on the first tongue portion. A second tongue portion is formed between the pair of second supporting portions. A trailing-side portion of the slider is secured to the second tongue portion. A narrow hinge portion is formed between the first and second tongue portions. The tongue portions are pivotably connected by the hinge portion. The distal end of a dimple contacts the hinge portion at a point of contact. | 01-23-2014 |
| 20150356985 | CUSTOMIZED HEAD GIMBAL ASSEMBLY BONDING SKEW ANGLE FOR ADJUSTING TWO-DIMENSIONAL MAGNETIC RECORDING READER ALIGNMENT - System and methods are illustrated for customizing the HGA bonding skew angle of a TDMR slider including a plurality of readers to adjust reader alignment relative to a track location on disk media. Overlay error caused by manufacturing variations is compensated for by adjusting the skew angle of the slider when it is bonded to the suspension to form the HGA. Process operations for manufacturing a TMDR HDD include manufacturing a multiple reader, multiple layer TDMR slider, determining an overlay error in the slider, determining a slider bonding skew angle based on the determined overlay error and other parameters, and bonding the slider to a HDD suspension at the determined bonding skew angle. | 12-10-2015 |
