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7926167 Method to assemble a disk drive  
A method to assemble a disk drive having a spindle that includes a hub. At least one disk is placed on the hub. A clamp is fastened to the hub by a plurality of threaded fasteners. Each of the...
7751153 Suspension assembly having recessed actuator with simplified lead connection  
A head suspension assembly couples a baseplate to a rotatable load through a planar triangular piezo microactuator for effecting hingeless rotation of the load. The microactuator expands,...
7595965 Single PZT actuator for effecting rotation of head suspension loads  
A head suspension assembly couples a baseplate to a rotatable load through a planar triangular piezo microactuator for effecting hingeless rotation of the load. The microactuator expands,...
7536771 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...
7538984 Rotational PZT micro-actuator with a rotatable plate  
A micro-actuator for a head gimbal assembly includes a metal frame, PZT elements, and a rigid beam. The metal frame includes a top support adapted to support a slider of the head gimbal assembly,...
7490398 Methods for assembling a disk drive using robotic end effector  
A robotic tool for assembling a portion of a disk drive includes a movable end effector that includes a first portion and a second portion that is movable relative to the first portion. The first...
7466520 Co-located microactuator lever assembly  
A suspension comprises a load beam having a leading portion and a trailing portion, a gimbal sheet mounted to the leading portion and forming a first pad, a second pad, and a displacement lever...
7408745 Sway-type micro-actuator with slider holding arms for a disk drive head gimbal assembly  
A micro-actuator of the invention includes a support frame having a base, a moving plate, a leading beam to connect the base with the moving plate; and two slider holding arms extending from both...
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...
7333298 Magnetic head actuator and magnetic disk drive using the same  
In conjunction with a magnetic disk drive unit comprising a voice coil motor (14), an arm (12) extending from the motor, a magnetic head actuator (2) mounted at a distal end of the arm, a...
7215514 Method of operating a disk drive including rotating a perpendicular write head to reduce a difference between skew and taper angles, and a disk drive  
A method of operating a disk drive including providing the disk drive. The disk drive includes a disk with data tracks and an actuator with a slider including a perpendicular magnetic write head....
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....
7167344 Magnetic head actuator having finely movable tracking device  
A magnetic head actuator provided with a finely movable tracking device having a piezoelectric element is provided for easy wiring to the piezoelectric element and reducing problems such as wire...
7152303 Method of localized thermal processing of integrated lead suspensions for controlling the pitch static attitude of sliders  
A method is provided for controlling the pitch static attitude of a slider in an integrated lead suspension head gimbal assembly. The integrated lead suspension includes a load beam, a mount plate,...
7082670 Method for actively controlling the gram load on a disk drive suspension assembly  
A method and apparatus for actively controlling the gram load on a disk drive suspension assembly and to a disk drive using the present disk drive suspension assembly. The gram load can be actively...
7016159 Disk drive head suspension with spring rails for base plate microactuation  
A base plate for a head suspension assembly having a pair of side rails including spring portions. The base plate including first and second portions connected by the pair of side rails and...
6950266 Active fly height control crown actuator  
A micro-actuator is comprised of a piezoelectric motor mounted on a flexure tongue with offsetting hinges, to perform a fine positioning of the magnetic read/write head. The substantial gain in the...
6924166 Process for sealing devices incorporating microstructures  
A process for the fabrication of devices that integrate protected microstructures, comprising the following steps: forming, in a body of semiconductor material, at least one microstructure having...
6809907 Remote-operated integrated microactuator, in particular for a read/write transducer of hard disks  
A microactuator comprises a motor element including a stator and a rotor capacitively coupled to the stator; an actuator element having a circular structure; and a transmission structure interposed...
6760196 Microactuator with offsetting hinges and method for high-resolution positioning of magnetic read/write head  
A microactuator comprised of a piezoelectric motor mounted on a flexure tongue with offsetting hinges, to perform a fine positioning of the magnetic read/write head. The substantial gain in the...
6735055 Microactuator structure with vibration attenuation properties  
A microactuator suspension supports a slider. The microactuator suspension has at least a first resilient support extending from a slider attachment pad to a suspension arm attachment pad. The...
6728077 Suspension-level piezoelectric microactuator  
A suspension-level piezoelectric microactuator for the fine positioning of a head-arm assembly of a disk drive. The microactuator is manufactured from a generally flat metal sheet structure having...
6661618 Suspension for disc drive with insulating cover film on piezoelectric element  
A suspension comprises a load beam fitted with a flexure, an actuator base including a base plate, a hinge member thinner than the base plate, and a pair of piezoelectric ceramic elements. The...
6636388 Disc drive suspension having a moving coil or moving magnet microactuator  
A suspension includes a load beam having a main body and a transducer support element which is movable relative to the main body. A sheet of dielectric material extends along the load beam and...
6624553 Head suspension assembly for magnetic disk drives  
A microactuator (30) is provided for positioning a read/write head relative to a mounting region of a head suspension assembly of a magnetic disk drive. The microactuator (30) comprises a...
6624983 Mechanical dual stage actuator linkage for a hard disk drive  
A head stack assembly for use in a disk drive includes a body portion having a bore which defines a pivot axis. The head stack assembly includes an actuator arm body extending from the body portion...
6624982 Magnetic disk recording apparatus  
In a magnetic recording apparatus including a support arm movable with respect to a magnetic recording disk, a first actuator for moving the support arm with respect to the magnetic recording disk,...
6617762 Microactuator device with a countermeasure for particles on a cut face thereof  
In a microactuator device (2) having a cut face formed by cutting or splitting, the cut face is subjected to anti-release treatment for preventing release of particles produced by cutting. The...
6611399 Micro-actuated micro-suspension(MAMS) slider for both fly height and tracking position  
A microfabricated slider assembly used in a disc drive is disclosed. The slider assembly has a slider body having a stator and a rotor, wherein the rotor and the stator are integrally formed from a...
6580687 Device for positioning a transducing head by means of a drive and a microactuator  
A device for positioning a transducing head (14) over a selected track of a rotatable information disc. The device includes a slider (12) supporting the transducing head, a carrier supporting the...
6541931 Dual stage positioning system using a shared voltage source  
A system for positioning a read/write head having a voice coil suitable for coarse control and a piezoelectric transducer (PZT) suitable for fine control. A voice coil control signal and a PZT...
6532138 Mechanism for producing minute movement of a head of a disk device  
A mechanism for producing a minute movement of a head of a disk device, which simplifies wiring in a head actuator and reduces the cost of the device by decreasing the distance between adjacent...
6512313 Electromagnetic X-Y stage driver for nano data storage system and method for fabricating coils of the same  
An electromagnetic x-y stage driver for a nano data storage system and a method for fabricating the coils of the same are provided. In the electromagnetic x-y stage driver, a cantilever tip array...
6512659 Disk drive actuator arm with microactuated read/write head positioning  
The present invention is embodied in an actuator arm which is mounted to a primary actuator. The primary actuator positions the actuator arm, with a read/write head mounted to the actuator arm,...
6456464 Low voltage, high displacement microactuated disk drive suspension  
A disk drive suspension comprising a load beam utilizing a piezoelectric microactuator has bendable arcuate spring portion elements which further curl or flatten in response to contraction or...
6452755 Microactuator suspension with multiple “I” shaped microbeams  
A suspension supports a slider for use with a microactuator. The suspension includes a suspension arm attachment pad and a slider attachment pad, connected together by microbeams. A first plurality...
6392848 Head carriage assembly and disk device incorporating thereof  
A head carriage assembly includes a head carriage having a magnetic head at a first end part and a bearing between the first end part and a second end part, the head carriage being pivotable about...
6356418 Silicon structural support of linear microactuator  
An integral computer hard drive microactuator support comprising a unitary member of solid material. The support includes a frame portion surrounding and defining an opening portion, and a platform...
6351354 Head to flexure interconnection for disc drive microactuator  
A disc drive implementing a dual-stage actuation system having an improved scheme for electrically interconnecting a transducing head to a flexure includes a support structure supporting a slider...
6331923 Microactuated disk drive suspension with heightened stroke sensitivity  
A disk drive suspension comprising a load beam utilizing a piezoelectric microactuator has multiply reversely deflected arcuate spring portion elements that further curl or flatten in response to...
6297936 Integral load beam push-pull microactuator  
A microactuator is employed in a disc drive system to finely position a transducing head adjacent to a selected track of a rotatable disc. The disc drive includes an actuator arm, a load beam...
6259584 Integrated device comprising a semiconductor material microactuator, in particular for a hard disk read/write head  
A microactuator comprises an outer stator and an inner rotor electrostatically coupled to a stator. The rotor comprises a suspended mass with a substantially circular shape, and a plurality of...
6157522 Suspension-level microactuator  
A microactuator is disclosed for selectively altering a position of a transducing head carried by a slider in a disc drive system with respect to a track of a rotatable disc having a plurality of...
6078473 Gimbal flexure for use with microactuator  
A disc drive has a recording disc rotatable about an axis and a slider supporting a transducing head for transducing data with the disc. A dual-stage actuation assembly supports the slider to...
6078476 Twin head design for micro-actuator position sensing in a hard disk drive  
An actuator architecture allows precision control of a micro-actuator read/write head 16a, 16b by measuring the position directly with the read/write heads rather than relying on a position sensor....
6069771 Gimbal micropositioning device  
A disc drive system includes a rotatable disc, an actuator arm, and a suspension load beam connected to the actuator arm. A head positioning mechanism includes a motor attached to the suspension...
6046888 Base plate-mounted microactuator for a suspension  
A disk drive suspension for mounting to the end of an actuator arm includes a load beam having a mounting region, a rigid region, and a spring region between the mounting region and the rigid...
5982585 Rotary electrostatic microactuator with optimum flexure arrangement  
A rotary microactuator includes a movable structure having a center of rotation about which the movable structure rotates, a stationary structure formed on a substrate, and a flexure member...
5936805 Disk drive with secondary VCM actuator  
An active mount plate having a secondary electromagnetic (voice coil motor, VCM) actuator controls the fine positioning of a magnetic read/write head relative to a magnetic disk. The active mount...
5898541 Leading surface slider microactuator  
A slider for attachment to a flexure of a disc drive system includes a slider body, a transducing head formed on the trailing edge of the slider body, and a microactuator formed on the leading edge...
Matches 1 - 50 out of 55 1 2 >