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US20120182645 ROTATING MACHINE COMPRISING INSULATION SHEET FOR INSULATING COIL AND BASE, AND METHOD OF PRODUCING THE ROTATING MACHINE  
A rotating machine includes: a coil that is provided on the first surface side of a base and formed with a wire; an insulation sheet that has a sheet hole formed at the position aligned with the...
US20150022919 SPINDLE MOTOR, DISK DRIVE APPARATUS, AND METHOD OF MANUFACTURING SPINDLE MOTOR  
In a method of manufacturing a spindle motor, a sheet preferably made of a thermoplastic resin is closely adhered to an upper surface of a base portion of a spindle motor such that the sheet...
US20140126084 FLEXIBLE RAMP IN A HARD DISK DRIVE  
An example hard disk drive (HDD) comprising a magnetic disk and a ramp within the HDD is disclosed. A slit is disposed between a ramp body and a flange.
US20150213815 SYNTHETIC ANTIFERROMAGNETIC READER  
Implementations disclosed herein provide for an apparatus, comprising a synthetic antiferromagnetic reader structure, wherein total moment of a pinned layer is substantially greater than total...
US20120162816 AIRFLOW SHROUD THAT REDUCES VIBRATION OF A ROTATING DISK IN A HARD DISK DRIVE  
A hard disk drive including a base portion, a motor-hub assembly to which at least one disk is coupled, the motor-hub assembly coupled with the base portion and an airflow shroud coupled with the...
US20130321957 GIMBAL LIMITER FOR SUSPENSION WITH LIFT TAB  
A head suspension for a disk drive with a load beam having continuous rails and a distal lift tab. A dimple is positioned proximal to the lift tab, either on the load beam or the gimbal, the...
US20130021698 GIMBAL LIMITER FOR SUSPENSION WITH LIFT TAB  
A head suspension for a disk drive with a load beam having continuous rails and a distal lift tab. A dimple is positioned proximal to the lift tab, either on the load beam or the gimbal, the...
US20140293480 NOTCHED DISK CLAMP  
Provided herein is an apparatus, including a plurality of disk clamp notches spaced about an outer lip of an annular disk clamp; an annular groove in an outer perimeter of a hub; and a mounting...
US20150236559 MOTOR AND ELECTRONIC EQUIPMENT INCLUDING THE MOTOR  
In a motor, a lower thrust portion is defined by a flange portion extending radially outward from an outer circumferential surface of a shaft portion of a shaft and a plate portion extending...
US20140254041 Servo Marginalization  
Servo channel noise limits are defined through Viterbi decisions based on servo gate signals. Y values are used to produce a first Viterbi decision at each servo gate. Viterbi decisions and Y...
US20150162033 CONSTRAINED DIMPLE PAD DAMPER FOR DISK DRIVE HEAD SUSPENSION  
A disk drive head suspension including a load beam, a flexure on the load beam, and a load point dimple extending from the load beam toward the flexure. A constrained damper is located on the...
US20100296191 HARD DISK DRIVE  
A hard disk drive effectively removes internal humidity therefrom and thus improves the reliance and performance of the hard disk drive in high and increased humidity environments.
US20140293484 DISK CLAMP WITH FLANGES  
Provided herein is an apparatus, including a plurality of flanges extending to form an inner perimeter of an inner opening of an annular disk clamp; and an annular groove in an outer perimeter of...
US20120162824 RETAINING A SPOILER IN A HARD DISK DRIVE  
A hard disk drive comprising, a base plate comprising a pin, a top cover, a plurality of magnetic disks, and a spoiler. The spoiler includes a first spring fastener for temporary spring fastening...
US20110188144 SERVO ROUTINE FOR TRACK SEEKING IN A HARD DISK DRIVE AND HARD DISK DRIVE FOR PERFORMING THE SAME  
A method for controlling a hard disk drive, includes a track seeking servo routine in which seek time is measured in a mode of the routine after the trajectory mode, the measured seek time is...
US20110317303 MAGNETIC DISK DRIVE AND METHOD FOR ADJUSTING PARAMETER IN THE SAME  
According to one embodiment, a magnetic disk drive includes a parameter management table, a parameter adjustment module and an interpolation module. The parameter management table stores a...
US20120075745 SEALING A CORNER FILTER  
A hard disk drive includes a base plate, a cover mounted to the base plate and a corner filter disposed proximate to a corner of the hard disk drive. A corner filter seal disposed between the base...
US20120099225 SERVO WRITE ROBUST AND GOOD ALTITUDE PERFORMANCE ABS  
A head slider for a disk drive storage device. In general, the head slider should fly at the target height above the disk without crashing onto the hard disk. The head slider has an outside flange...
US20110157739 NEGATIVE BIASING A SLIDER WITH RESPECT TO A DISK TO REDUCE SLIDER WEAR AND PROVIDE BURNISH RATE CONTROL  
In a method for negatively biasing a slider with respect to a disk to reduce slider wear and provide burnish rate control a negative bias voltage is generated between the slider and the disk...
US20110205657 SYNCHRONIZATION OF SYMMETRIC TIMING BASED SERVO BURSTS  
Timing based servo bursts of servo frames, in which the frames are arranged to be symmetric with the same number of servo stripes in each burst of a frame, are synchronized by shifting selected...
US20150062755 DUAL READER STRUCTURE  
Implementations described and claimed herein provide a dual reader wherein a bottom shield is attached to side shields.
US20120039001 DISK LIBRARY APPARATUS  
A disk library apparatus includes a magazine for housing a plurality of storage disks, a plurality of pallets each having a disk placing surface for placing a storage disk and which are arranged...
US20140036392 ULTRA-THIN HDD EMBEDDED DISK CLAMP DESIGN  
A disk drive having a hub comprising a top surface and a non-circular protrusion extending upward from the top surface, a disk clamp comprising a wall portion and a non-circular opening formed...
US20110134571 CAPACITIVE COUPLING IN A HARD DISK DRIVE  
A hard disk drive including a base plate and a drive cover. The hard disk drive also includes a capacitive coupling feature disposed between the base plate and the drive cover. The capacitive...
US20140285926 COPPER RESIDUAL STRESS RELAXATION REDUCTION MEANS FOR HARD DISK DRIVE SLIDER GIMBALS  
A hard drive gimbal trace circuit includes: a stainless steel gimbal strut (SGST) configured to support a transducer and nullify a natural pitch angle of a flexure from mechanical-coarse...
US20140293479 LOCKING DISK CLAMP  
Provided herein is an apparatus, including a plurality of teeth extending from an outer perimeter of an annular disk clamp to an inner perimeter of the annular disk clamp and an annular groove in...
US20140036384 ABS Design for Uniform Touch-Down and Back-Off in DFH Applications  
A DFH (Dynamic Flying Height) type slider ABS design has significantly improved DFH efficiency and back-off efficiency as well as uniform touchdown detectability. This is the result of decoupling...
US20090040650 PROVIDING REMOVABLE STORAGE MANAGEMENT SERVICES USING REMOVABLE STORAGE ERROR INFORMATION  
Provided are a method, system, and article of manufacture for providing removable storage management services using removable storage error information. Read/write error information is obtained...
US20120229934 COPPER RESIDUAL STRESS RELAXATION REDUCTION MEANS FOR HARD DISK DRIVE SLIDER GIMBALS  
Disclosed are various techniques for reduction of the magnitude of the residual stress in the HDD gimbal circuits, or more specifically, the residual plastic strain. Various trace structures of...
US20140168806 Disk Drive Write-Inhibit Control Using Adaptive PES Predictor  
Disk drives are described with a write inhibit control system with an adaptive head position predictor, e. g. an adaptive FIR filter, that includes a set of coefficients (weights) that are updated...
US20130321944 SERVER AND METHOD FOR PREVENTING THE SERVER FROM VIBRATION DAMAGE  
In a method for preventing a server from a damage vibration, a first system log records detected vibration intensity of the server, and suspends a working operation of the hard disk if the...
US20100315744 SLIDER-GIMBAL SCRATCH MITIGATION  
A head gimbal assembly for use with a load beam includes a gimbal, a slider for carrying a transducing head, and first and second tabs. The gimbal is configured to be supported by the load beam,...
US20140347965 DISK DRIVE CALIBRATING DYNAMIC FLY HEIGHT WRITE PROFILE FOR FLY HEIGHT ACTUATOR  
A disk drive is disclosed comprising a disk and a head actuated over the disk, the head comprising a fly height actuator (FHA). The disk drive further comprises control circuitry including disk...
US20140285917 WRITE AVOIDANCE AREAS AROUND BAD BLOCKS ON A HARD DISK DRIVE PLATTER  
A method and computer program product identify the location of a bad block on a disk platter of a hard disk drive, determine an avoidance area extending from the bad block, and prevent data from...
US20130170067 Reliability-Aware Disk Power Management  
A token value is maintained based on an allowable number of low power transitions of a hard disk drive without adversely affecting reliability, compared to an actual number of low power...
US20120140355 Reliability-Aware Disk Power Management  
A token value is maintained based on an allowable number of low power transitions of a hard disk drive without adversely affecting reliability, compared to an actual number of low power...
US20110157740 FLY-HEIGHT MANAGEMENT IN A HARD DISK DRIVE (HDD)  
A hard disk drive (HDD) including a first resistive temperature detector (RTD) configured to detect a temperature generated by proximity of a slider and a media. The first RTD is proximate an air...
US20150213818 Dual Stage Microactuator Flexure Feature For Minimizing Electrical Shorts  
Approaches to a flexure gimbal assembly for a hard-disk drive (HDD), having a feature for reducing the risk of electrical shorts, include a flexure having an electrically conductive layer and an...
US20150194170 BALANCED MULTI-TRACE TRANSMISSION IN A HARD DISK DRIVE FLEXURE  
Various embodiments concern a flexure comprising a base metal layer. The base metal layer can have a void between a first lateral side and a second lateral side. The flexure can further comprise a...
US20110292543 HEAD GIMBAL ASSEMBLY AND DISK DRIVE WITH THE SAME  
According to one embodiment, a head gimbal assembly includes a suspension includes a load beam and a gimbal, a slider includes a head and mounted on the gimbal, a gap portion defined between the...
US20130250448 Servo Grey Code Error Correction  
The disclosure is related to systems and methods for servo Gray code error detection and correction. A device may include a circuit configured to 1) selectively implement a quality-based error...
US20140139950 DEBRIS REDUCING DISK CLAMP FOR DISK DRIVES  
A disk clamp for clamping a plurality of disks within a disk drive has a single fastening hole located at its symmetrical center sized to pass the shaft of a screw having a head diameter larger...
US20150243319 Hard Disk Drive Disk Separator Plate Construction  
Improving track following performance and reliability in a hard disk drive involves the use of disk separator plates positioned between adjacent recording disks, where a disk separator plate is...
US20150243302 READ HEAD WITH MULTIPLE READER STACKS  
A read head includes a bottom shield configured as a bottom electrical contact. A bottom reader stack is disposed on and electrically coupled to the bottom shield. A middle electrical contact is...
US20120099217 SPLIT SECTOR FORMATTING OF STORAGE DISKS  
A length of a separator to be skipped on the storage disk is compared with a threshold. The threshold is associated with a maximum value for which a timing loop is able to be paused without...
US20110013320 HARD DISK DRIVE HAVING SLIDER LIMITER  
A hard disk drive (HDD) including a slider limiter. The HDD includes a spindle motor installed to a base member; at least one disk mounted to the spindle motor to be rotated by the spindle motor;...
US20110228425 SUSPENSION ASSEMBLY HAVING A MICROACTUATOR ELECTRICALLY CONNECTED TO A GOLD COATING ON A STAINLESS STEEL SURFACE  
A novel suspension assembly includes a suspension assembly mounting plate, a microactuator mounting structure extending from the suspension assembly mounting plate, a load beam extending from the...
US20110216434 TIMING ALTERNATIVE INTERVALS WITHIN A TIMING BASED SERVO BAND  
An alternative time interval is taken of a timing based servo band to determine lateral position of a servo read head. The servo band is arranged in a sequence bursts with non-parallel servo...
US20150255095 Swage Mount for Hard Disk Drives  
A swage mount is provided for attaching a head suspension assembly to a head actuator arm for a hard disk drive. The swage mount has a flange body with a thickness for providing clearance from the...
US20120268845 WRITE POLE AND SHIELD WITH DIFFERENT TAPER ANGLES  
A first trench sidewall has a continuous first taper angle that terminates at a first plane. At least one layer may be deposited that forms a second trench sidewall with a continuous second taper...