Matches 1 - 50 out of 296 1 2 3 4 5 6 >


Match Document Document Title
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...
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...
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...
US20150124352 FLEXIBLE CABLE ASSEMBLY HAVING REDUCED-TOLERANCE ELECTRICAL CONNECTION PADS  
A flexible printed circuit (FPC) may have reduced-tolerance electrical connection pads that comprise a connection portion and an adjacent window portion, where the position of a component that is...
US20130135771 SHROUD INTEGRATED COVER AND HARD DISK DRIVE INCLUDING THE SAME  
There is provided a hard disk drive including: a bottom plate including a disk rotating by a motor; and a cover having a first wall member formed thereon, the first wall member inducing an airflow...
US20120033328 SPINDLE MOTOR AND STORAGE DISK DRIVE  
A spindle motor includes a stationary portion and a rotating portion. The stationary portion preferably includes a shaft portion, an upper thrust portion, and an outer tubular portion. The...
US20120243121 DISK DRIVE HAVING A DISK CLAMP WITH OPENINGS DIRECTLY RADIALLY OUTBOARD OF FASTENERS  
A disk drive includes a spindle motor attached to a disk drive base. The spindle motor includes a hub that rotates about a spindle rotation axis. An annular disk is mounted on the hub. A clamp...
US20130321950 ASYMMETRIC COMB BORE IN ACTUATOR DESIGN  
The present invention generally relates to a head comb for use in a hard disk drive. In one embodiment, the head comb comprises a core body having a bore formed therethrough. The bore is bound by...
US20130163116 SPINDLE MOTOR  
There is provided a spindle motor. The spindle motor includes a fixed member; and a rotating member rotating relatively to the fixed member, and having oil filling a bearing clearance formed...
US20140111884 SPINDLE MOTOR AND HARD DISK DRIVE THEREWITH  
A thin spindle motor having a stator core with sufficient swaging strength even using thin magnetic steel sheets is provided, whereby the magnetic loss and the power consumption of the spindle...
US20140049856 SPINDLE MOTOR HAVING A LOW OVERALL HEIGHT  
The invention relates to a spindle motor that comprises a stationary motor component having a shaft and an annular stopper part disposed at a free end of the shaft as well as a rotatable motor...
US20140300993 MOTOR DRIVE DEVICE, MAGNETIC DISK STORAGE DEVICE, AND ELECTRONIC APPLIANCE  
A motor drive device has a motor driver adapted to receive a first power supply voltage to drive a motor; an internal regulator adapted to generate from an input voltage an internal power supply...
US20120002322 HEAD GIMBAL ASSEMBLY AND DISK DRIVE WITH THE SAME  
According to one embodiment, a head gimbal assembly includes a load beam, a metal plate mounted on the load beam and constituting a gimbal includes a limiter portion, a flexure includes a...
US20140016228 Distribution of Mass in Vertical Axis for HGA Flexure Mode Control  
Approaches for a hard-disk drive (HDD) and a head gimbal assembly comprising techniques for forming the gimbal legs in a head gimbal assembly (HGA) in a manner to shift the distribution of mass of...
US20090103207 ROTOR HUB, SPINDLE MOTOR AND HARD DISK DRIVE  
In a method for manufacturing a rotor hub for use in a spindle motor, free-cutting stainless steel is used as a material of the rotor hub. A slug of free-cutting stainless steel is subjected to a...
US20150228301 AXIAL FIELD MOTOR AND METHOD OF ASSEMBLING  
An axial field motor and a method of assembling the motor are provided. The hard disk drive includes a spindle motor having a fluid dynamic bearing (FDB) motor hub, a hard disk drive housing and a...
US20080180837 SPINDLE MOTOR HUB, DISK PACK, AND HARD DISK DRIVE HAVING THE SAME  
A spindle motor includes a spindle motor hub that supports one or more disks, and has a contact area reduction portion that minimizes the area of contact between the hub and a disk when the disk...
US20130070369 SUSPENSION HAVING BONDING PADS WITH SOLDER LAYERS, MANUFACTURING METHOD OF A SUSPENSION, AND CONNECTING METHOD BETWEEN A SUSPENSION AND A SLIDER  
A suspension includes a flexure and a plurality of electrical traces formed on the flexure. Each electrical trace has a trace body and a bonding pad arranged for connecting with a slider, and the...
US20130258522 BRUSHLESS MOTOR, DISK DRIVE APPARATUS, AND METHOD OF MANUFACTURING THE BRUSHLESS MOTOR  
A stationary unit of a brushless motor includes a flat armature and a base member arranged to support the armature. The armature includes a power supply portion to which a lead wire is connected....
US20120200957 SPINDLE MOTOR, DISK DRIVE APPARATUS, AND METHOD OF MANUFACTURING SPINDLE MOTOR  
In a spindle motor, a lead wire extending from a coil includes a first solder portion coated with a first solder. The lead wire is arranged to extend downward through a base hole portion and a...
US20090102300 Spindle motor for a hard disk drive  
The invention relates to a spindle motor for a hard disk drive comprising a baseplate (1), a shaft (2) fixedly connected to the baseplate (1), a thrust plate (3) fixedly connected to the free end...
US20150036240 HARD DISK DOUBLE LUBRICATION LAYER  
Systems and methods are illustrated for manufacturing hard disks with double lubrication layers that allow minimization of a HDD head DFH touchdown point while maintaining good tribology...
US20070211375 ROTOR HUB, MOTOR, AND DISK DRIVING DEVICE  
A rotor hub includes a shaft connecting portion arranged to be connected to a shaft serving as a central axis, a disk loading portion centered about the central axis and arranged to support a disk...
US20140133051 CLAMP RING, SPINDLE MOTOR INCLUDING CLAMP RING AND HARD DISK DRIVE INCLUDING SPINDLE MOTOR  
There are provided a clamp ring, a spindle motor including the clamp ring and a hard disk drive including the spindle motor. The spindle motor includes: a fixed member; a rotating member rotatably...
US20150015993 BASE ASSEMBLY, SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME  
There is provided a base assembly including: a base member formed by performing plastic deformation on a steel sheet to be at least partially bent; and a flexible printed circuit board disposed on...
US20120033326 SPINDLE MOTOR AND STORAGE DISK DRIVE  
A spindle motor includes a stationary portion and a rotating portion. The stationary portion preferably includes a shaft portion, a lower plate portion, and an outer tubular portion. The rotating...
US20080037164 ADAPTIVE SPINDLE MOTOR STARTUP METHOD AND DISK DRIVE USING THE SAME  
An adaptive spindle motor startup method includes applying an internal driving voltage to a disk drive, sensing an internal temperature of the disk drive, and controlling the startup of a spindle...
US20050270693 Spindle motor having a deep-drawn baseplate  
The invention relates to a spindle motor having a deep-drawn baseplate and an aperture to receive and secure a bearing system to rotatably support a rotor. To avoid having to machine the bearing...
US20120170149 SPINDLE MOTOR  
Disclosed herein is a spindle motor, including: a rotating part having a rotating shaft and a magnet and a fixing part including a bearing supporting the rotating shaft and an armature...
US20050141136 Spindle motor and disk apparatus provided with the same  
A spindle motor includes a fixed shaft, a rotating sleeve, and an outer ring member. The rotating sleeve has an inner peripheral surface opposed to an outer peripheral surface of the fixed shaft...
US20080136285 SPINDLE MOTOR, DISK DRIVE, AND METHOD OF FABRICATING A STATOR CORE  
The spindle motor has a stator and rotor. The stator has a stator core comprising a yoke and salient poles and also includes a stator coil. The stator core is formed by laminated steel sheets. The...
US20130038964 SPINDLE MOTOR HAVING CONNECTING MECHANISM CONNECTING LEAD WIRE AND CIRCUIT BOARD, AND STORAGE DISK DRIVE HAVING THE SAME  
A spindle motor includes a base portion, a rotor hub, a stator, and a circuit board. The base portion preferably includes a through hole and is arranged to spread out radially around a central...
US20110249362 SPINDLE MOTOR HAVING CONNECTING MECHANISM CONNECTING LEAD WIRE AND CIRCUIT BOARD, AND STORAGE DISK DRIVE HAVING THE SAME  
A spindle motor includes a base portion, a rotor hub, a stator, and a circuit board. The base portion preferably includes a through hole and is arranged to spread out radially around a central...
US20070217064 Disc driving motor and Information recording and reproducing apparatus  
The invention provides a motor which is mainly used in an HDD, maintains high accuracy without runout even upon rotation at high speed, and is excellent in resistance to external forces. A disc...
US20120162820 SPINDLE MOTOR FOR DRIVING A HARD DISK DRIVE  
The invention relates to a spindle motor, preferably for driving a hard disk drive, having a stationary motor component and a rotatable motor component that is rotatably supported with respect to...
US20130155547 DAMPING MATERIAL TO INCREASE A DAMPING RATIO  
A damping material to increase a damping ratio is disclosed. In one embodiment, an actuator arm assembly of a hard-disk drive (HDD) comprises an actuator arm. A viscoelastic layer is coupled with...
US20120250183 MOTOR AND STORAGE DISK DRIVE  
A motor includes a stationary portion and a rotating portion. The rotating portion includes a sleeve portion including one communicating hole arranged to extend completely there through from an...
US20090141395 MOUNTING METHOD FOR STORAGE MEDIUM  
In one example embodiment, there is provided a storage-medium mounting method that includes detecting a rotation center axis of a rotor by rotating the rotor relative to a stator, the rotor being...
US20130148240 DISK DRIVE CHARGING CAPACITOR USING MOTOR SUPPLY VOLTAGE DURING POWER FAILURE  
A disk drive is disclosed comprising a disk, a spindle motor operable to rotate the disk, a head actuated over the disk, an interface operable to receive a host supply voltage, and a capacitor....
US20120033329 SPINDLE MOTOR AND STORAGE DISK DRIVE  
In a motor, an annular radially extending gap is defined between an outer annular surface and a lower surface of an annular cover portion. The radially extending gap has an axial width smaller...
US20090021859 Overmolded motor hub  
Accurately formed critical tolerance fit components are provided for fluid dynamic bearing motors, including disc drive memory systems. In an aspect, critical tolerance fit components are molded...
US20130308226 SPINDLE MOTOR, AND DISK DRIVE APPARATUS INCLUDING THE SPINDLE MOTOR  
A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is...
US20130308225 SPINDLE MOTOR, AND DISK DRIVE APPARATUS INCLUDING THE SPINDLE MOTOR  
A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is...
US20130308224 SPINDLE MOTOR, AND DISK DRIVE APPARATUS INCLUDING THE SPINDLE MOTOR  
A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is...
US20120162818 SPINDLE MOTOR, AND DISK DRIVE APPARATUS INCLUDING THE SPINDLE MOTOR  
A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is...
US20140111885 ROTATING DEVICE  
A rotating device is provided with: a hub that is rotatably supported by the base and on which a recording disk is to be mounted; a yoke that is fixedly provided on the hub and is configured to...
US20150085397 SPINDLE MOTOR AND DISK DRIVE APPARATUS  
A spindle motor includes a stationary portion and a rotating portion. The stationary portion includes a shaft and the rotating portion includes a sleeve portion, a hub, a magnet, and a cap. The...
US20080130169 SPINDLE MOTOR AND DISK DEVICE PROVIDED WITH THE SAME  
According to one embodiment, a disk device includes a recording medium, a spindle motor which supports and rotates the recording medium, a head, and a head actuator which supports the head for...
US20050195524 Clamp or clamp assembly having a low profile  
A clamp including an inverted spring portion and a plurality of tabs about a circumference of an inner portion of the clamp. The inverted spring portion of the clamp is insertable into a groove of...

Matches 1 - 50 out of 296 1 2 3 4 5 6 >