Method of Manufacturing Piezoelectric Microactuators Having Wrap-Around Electrodes

Seek-induced vibration compensation

Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Micro-dual stage actuated gimbal design

Data storage device independently driving outer and inner fine actuators

Method of manufacturing a multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Data storage device interleave driving secondary actuators

Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Selectively activating microactuators on a head gimbal assembly

Piezoelectric-based microactuator arrangement for mitigating out-of-plane force and phase variation of flexure vibration

Magnetic disk device

Multi-layer PZT microactuator having oppositely poled PZT constraining layer

Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Dual state actuators controlling for magnetic recording device

Micro-dual stage actuated gimbal design

Multi-layer PZT microacuator with active PZT constraining layers for a DSA suspension

Multi-layer PZT microacuator with active PZT constraining layers for a DSA suspension

Actuator assembly having dual sensors for detecting the vibration on magnetic disk device

Actuator block having dual sensors for detecting the vibration on magnetic disk drive

Assembly of DSA suspensions using microactuators with partially cured adhesives

Co-located gimbal-based dual stage actuation disk drive head suspension manufacturing method with non-parallel motors

Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Disk drive suspension tri-stage actuator with single side actuator attach

Disk apparatus and dual actuator assembly having a wiring board with a bent connection portion

Actuator assembly having dual sensors for detecting the vibration on magnetic disk device

Actuator block having dual sensors for detecting vibration on magnetic disk device

Manufacturing method for multi-layer PZT microactuator having a poled but inactive PZT constraining layer

Linearity detecting method and device for servo position sensor, and robot with the same

Partial etched polyimide for non-conductive adhesive containment

Two-motor co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffeners

Method of manufacturing piezoelectric microactuators having wrap-around electrodes

Head suspension assembly having PZT damper

Bimodal modulation

Active fiber composite data storage device suspension

Multilayer disk drive motors having out-of-plane bending

Suspension having a stacked D33 mode PZT actuator with constraint layer

Carriage device

Co-located gimbal-based dual stage actuation disk drive head suspension with non-parallel motors

Multi-layer PZT microactuator having a poled but inactive PZT constraining layer

Co-located gimbal-based DSA disk drive suspension with traces routed around slider pad

Gimbal assembly with linear actuators that cause rotation of a slider

Method of and apparatus for detecting a crack in a pair of piezoelectric elements based on transfer function

Disk apparatus, driver circuit, and control method

Integrated recording head with selective movement

DATA STORAGE DEVICE CONCURRENTLY CONTROLLING AND SENSING A SECONDARY ACTUATOR FOR ACTUATING A HEAD OVER A DISK

Piezoelectric element and piezoelectric actuator

Hologram recording and reproducing apparatus

Bimodal modulation

Piezoelectric element having polymer coating, piezoelectric actuator using said piezoelectric element, and head suspension using said piezoelectric actuator

Piezoelectric disk drive suspension motors having plated stiffeners

Thin-film piezoelectric material element, method of manufacturing the same, head gimbal assembly, hard disk drive, ink jet head, variable focus lens and sensor

Hard disk drive suspension dimple

Head assembly and disk device provided with the same

Head gimbal assembly and disk device with the same

Suspension board with circuit and head gimbal assembly

Balanced co-located gimbal-based dual stage actuation disk drive suspensions

Head gimbal assembly and disk unit provided with the same

Motor polarity testing of a dual stage actuated disk drive head suspension

Co-located gimbal-based dual stage actuation disk drive suspensions with offset motors

Thin film piezoelectric element, thin film piezoelectric actuator, thin film piezoelectric sensor, hard drive disk, and inkjet printer device

Mirror mounting assembly

Two dimensional magnetic sensor immune to skew angle misalignment

Thin-film piezoelectric element, thin-film piezoelectric actuator, thin-film piezoelectric sensor, hard disk drive, and inkjet printer apparatus

Multi-layer piezoelectric transducer with inactive layers

Head suspension with piezoelectric element support having electrically insulative adhesive layer

Two dimensional magnetic sensor immune to skew angle misalignment

THIN FILM PIEZOELECTRIC ELEMENT AND MANUFACTURING METHOD THEREOF, MICRO-ACTUATOR, HEAD GIMBAL ASSEMBLY AND DISK DRIVE UNIT WITH THE SAME

Magnetic disk drive having dual-stage actuator and head position estimation method for the same

Wired circuit board

Integrated recording head with selective movement

Methods and devices for extracting off-track motion using microactuators

Integrated recording head with selective movement

Mirror mounting assembly

Head assembly with head-media spacing control

Determining microactuator failure in a multi-stage tracking system

Magnetic disk drive having microactuator

Method and apparatus to position a head module comprising servo elements and plurality of data elements

Double servo type magnetic disc apparatus

Magnetic disk drive and method for controlling microactuator in magnetic disk drive

Method of manufacturing piezoelectric element

Magnetic disk drive and method for controlling microactuator in magnetic disk drive

Suspension assembly having a microactuator grounded to a flexure

Magnetic disc apparatus including a thermal actuator as part of a two-stage actuator

Electromagnetic heads, flexures, gimbals and actuators formed on and from a wafer substrate

Mirror mounting assembly

Mirror mounting assembly

Micropositioning recording head for a magnetic storage device

Integrated recording head with selective movement

DISK DRIVE WITH MICRO-ACTUATOR INTERCONNECT CONDITIONING

Method and apparatus to position a head module comprising servo elements and a plurality of data elements

Correcting errors in position of an HDD write-head

Wireless microactuator motor assembly for use in a hard disk drive suspension, and mechanical and electrical connections thereto

Magnetic head suspension with a supporting part that has connecting beams

HEAD STACK ASSEMBLY, HARD DISK DRIVE COMPRISING THE HEAD STACK ASSEMBLY, AND METHOD TO REDUCE OFF-TRACK IN THE HARD DISK DRIVE

Processing device for piezoelectric actuator and processing method for piezoelectric actuator

Slider and micro-actuator assembly, head gimbal assembly, and disk drive unit with the same

Mirror mounting assembly

Micro actuator device, head suspension assembly and storage medium driving device

Microactuator with self-assembled monolayer encapsulant

HEAD SUSPENSION ASSEMBLY AND STORAGE MEDIUM DRIVING APPARATUS

Microactuator control that avoids thermal asperities on disk surfaces

HEAD SUSPENSION ASSEMBLY AND STORAGE MEDIUM DRIVE APPARATUS

Recessed base plate for data transducer suspension

Cost reduced microactuator suspension

Thin-film piezoelectric device, production method thereof, head gimbals assembly using the thin-film piezoelectric device, and hard disk using the head gimbals assembly

Magnetic read/write head and magnetic read/write apparatus having same

Head suspension and method of manufacturing head suspension

Magnetic head-positioning servo system, magnetic head test system and magnetic disk test system

Head suspension

Head suspension

Information recording and reproducing apparatus, information recording and reproducing system, information processing apparatus and information reproducing apparatus

Thin film piezoelectric element and its manufacturing method, head gimbal assembly and disk drive unit with the same

Magnetic disk drive having dual actuator

Method of controlling the position of a read/write head and apparatus for testing a read/write head

Integrated recording head with selective movement

Piezoelectric element having etched portion to form stepped recesses between layers and manufacturing method thereof, head gimbal assembly, and disk drive device with the same

MAGNETIC HEAD SUPPORT AND MAGNETIC DISK DEVICE

Head gimbal assembly and manufacturing method thereof, and disk drive device with the same

Piezoelectric actuator and manufacturing method thereof, magnetic disk apparatus

Apparatus and method for improving bandwidth of a fine positioning mechanism data storage manufacturing and test equipment

Head assembly having a sensing element

System, method and apparatus for flexure-integrated microactuator

METHOD AND APPARATUS FOR SERVO CONTROL ASSOCIATED WITH ROTATIONAL SPEED OF DISK IN DISK DRIVE

HEAD SLIDER EQUIPPED WITH PIEZOELECTRIC ELEMENT

METHOD AND MECHANISM OF PZT MICRO-ACTUATOR ATTACHMENT FOR THE HARD DISK DRIVER ARM

Disk drive head gimbal assembly including a PZT micro-actuator with a pair of separate PZT elements

Microactuator reference input limit to prevent internal states over-accumulation

Integrated flexure tongue micro-actuator

Microactuator, head gimbal assembly, and disk drive device

Head positioning assembly

Head suspension and piezoelectric actuator

Magnetic disk apparatus

Microactuator, head gimbal assembly, and magnetic disk drive

Servo information writing method, magnetic head tester and magnetic disk tester using the servo information writing method

Method and apparatus for independent piezoelectric excitation in the micro-actuator assemblies of a hard disk drive for improved drive reliability

Performance test method of head gimbal assembly with precise positioning micro-actuator

Rotational, shear mode, piezoelectric motor integrated into a collocated, rotational, shear mode, piezoelectric micro-actuated suspension, head or head/gimbal assembly for improved tracking in disk drives and disk drive equipment

Suspension, head gimbal assembly and/or disk drive unit including outrigger with spring beams, and/or manufacturing method thereof

Micro-Actuator, HGA Equipped with the Micro-Actuator and Method for Manufacturing the HGA

Mirror mounting assembly

Micro-actuator having at least one segmented flexible side arm, and method of making the same

Integrated silicon micro-actuator slider

MAGNETIC DISK DEVICE

Suspension for a hard disk drive microactuator

Method and apparatus for a microactuator bonding pad structure for solder ball placement and reflow joint

Microactuator substrate

Disc drive head actuator

Micro-actuator for use in small platform disk drive devices, and method of making the same

High frequency interconnect signal transmission lines

Techniques for reducing flexure distortion and gimbal separation for thin-film PZT micro-actuators of head gimbal assemblies

Head gimbal assembly for use in disk drive devices and method of making the same

Micro-actuator including electrical connection shifting circuit, head gimbal assembly and disk drive unit with the same

Systems and methods for identifying problems with PZT elements of micro-actuators

Piezoelectric actuated suspension with passive damping in hard disk drives

Storage medium drive capable of reducing wiring related to head slider

Method and apparatus for pitch angle actuation of slider based upon pressure and humidity conditions in a contact start-stop CSS

HGA rotational micro-actuator including an s-shaped frame and method of making thereof

Head gimbal assembly with micro-actuator and manufacturing method thereof, and disk drive unit with the same

Method of producing a framing assembly

Settling judgment method for position control device and position control device

Micro-actuator, HGA equipped with the micro-actuator and method for manufacturing the HGA

Magnetic head

Apparatus and method for a piezoelectric micro-actuator for a hard disk drive

Apparatus and method for bending a slider to create rounded corners on its trailing edge in a hard disk drive

Piezoelectric actuator and manufacturing method thereof, magnetic disk apparatus

Apparatus and method for a vertical micro-acatuator in slider of a hard disk drive

Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive

PZT element, head gimbal assembly, and disk drive unit with same

Method and apparatus for balanced dual stage actuators in a head stack assembly of a hard disk drive

Micro-actuator, micro-actuator suspension, and head gimbal assembly with the same

Microactuator control adjustment using temperature sensor measurements

Head gimbal assembly having an independent spacer therein and disk drive unit with the same

Piezoelectric actuator and head assembly using the piezoelectric actuator

THIN FILM PIEZOELECTRIC MICRO-ACTUATOR FOR HEAD GIMBAL ASSEMBLY

Micro displacement mechanism and magnetic disk apparatus

Micro-actuator including U-shaped frame and metal support frame, and manufacturing method thereof

Suspension having a trace bent part that is fixed to a tongue part and an outrigger part

Piezoelectric actuator and magnetic disk device

Magnetic head positioning mechanism

Rotational micro-actuator integrated with suspension of head gimbal assembly, and disk drive unit with the same

Dual mirror mounting assembly

Method and apparatus for connecting a micro-actuator to driver arm suspension

Disk drive load arm structure having a strain sensor and method of its fabrication

Method and apparatus using embedded sensor in a piezoelectric micro-actuator in a hard disk drive

Actuation device and method for high density hard disk drive head

Rotational micro-actuator with a rotatable plate, head gimbal assembly and disk drive device with the same

Rotational PZT micro-actuator with a rotatable plate

Miro-actuator, head gimbal assembly, and disk drive unit with the same

Thin-film PZT micro-actuator integral with suspension of head gimbal assembly, and disk drive unit with the same

Micro-actuator with electric spark preventing structure, HGA, and disk drive unit with the same, and manufacturing method thereof

Micro-actuator and head gimbal assembly for a disk drive device

Flex cable frame assembly for micro-actuator and flex cable suspension assembly for HGA of disk drive device

Micro-actuator and head gimbal assembly for a disk drive device

MICROACTUATOR, HEAD GIMBAL ASSEMBLY AND HARD DISK DRIVE USING THE SAME, AND METHOD OF MANUFACTURING MICROACTUATOR

Method for reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly

Magnetic disk apparatus

Dual-stage actuator disk drive with optimal location of the movable portion of the secondary actuator

Suspension with sway beam micropositioning

Rotation and translation measurement

Read-write head with integrated microactuator

Method and mechanism of PZT micro-actuator attachment for the hard disk driver arm

Mirror mounting assembly

Mirror mounting assembly

Rotational PZT micro-actuator, head gimbal assembly, and disk drive unit with the same

Resonance control features for a head gimbal assembly

Dual mirror mounting assembly

Method and apparatus coupling to a slider in a hard disk drive for microactuation

Method of manufacturing a head gimbal assembly

Method for secondary-actuator failure detection and recovery in a dual-stage actuator disk drive

Micro-actuator unit, head gimbal assembly, and disk drive unit with vibration canceller

Micro-actuator, vibration canceller, head gimbal assembly, and disk drive unit with the same

Methods for detecting contact between a read-write head and the accessed disk surface in a hard disk drive

Method and apparatus for estimating micro-actuator stroke sensitivity in a hard disk drive

Disk drive with a dual-stage actuator and failure detection and recovery system for the secondary actuator

Method and apparatus using micro-actuator stroke sensitivity estimates in a hard disk drive

Microactuator, head gimbal assembly and magnetic disk drive

Micro-actuator, head gimbal assembly and disk drive unit with the same

Method and apparatus for a MEMS micro-actuator assembly in a hard disk drive

Actuator assembly having optimized 4-bar linkage type actuator arm, hard disk drive employing the same, and method for optimizing shape of opening formed in actuator arm

Head gimbal assembly with flying height controller, disk drive unit using the same, and flying height adjusting method and system thereof

Control method of piezoelectric actuator, position control equipment, and disk device

Co-located microactuator lever assembly

Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the same

Method and apparatus of dual stage servo control with dual control paths and decoupling feedback for track following in a hard disk drive

Piezoelectric/electrostrictive device

Micro-actuator, head gimbal assembly, and disk drive unit with the same

Rotary piezoelectric microactuator and disk drive head-suspension assembly

Disk drive with rotary piezoelectric microactuator

Magnetic-head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same

Micro-hub swage mount for attachment of suspension assembly in hard disk drive

Head gimbal assemblies for very low flying height heads with optional micro-actuators in a hard disk drive

Data storage module suspension system

Method and apparatus of dual stage servo control for track following in a hard disk drive

Micro-actuator, head gimbal assembly, disk drive unit and manufacturing method thereof

Moving mechanism using a piezoelectric actuator and a magnetic disk apparatus having such a moving mechanism

Disk drive having a two-stage actuator for suppressing a flying-height fluctuation

Write/read head supporting mechanism, and write/read system

Magnetic disk apparatus

Magnetostrictive actuator in a magnetic head

Lens driving device for optical read and/or write system and optical read/write system

Piezoelectric actuator head suspension unit employing piezoelectric actuator, and magnetic disk drive employing head suspension unit

Method for manufacturing a suspension design for a co-located PZT micro-actuator

Method and apparatus of micro-actuator control of the flying height of a read/write head in a hard disk drive

Method and apparatus for connecting a micro-actuator to driver arm suspension

Magnetic recording disk drive with dual-stage actuator and control system with multiple controllers

Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly

Suspension assembly, hard disk drive, and method of manufacturing suspension assembly

Head with optical bench for use in data storage devices

Microactuator, head gimbal assembly and magnetic disk drive

Piezoelectric actuator and head assembly using the piezoelectric actuator

Micro-actuator, head gimbal assembly and manufacturing method thereof

Piezoelectric motor for moving a carriage along a guide

Method and apparatus for a micro-actuator providing three-dimensional positioning to a slider in a hard disk drive

Microscale driving unit and recording disk drive

Technique to compensate for resonances and disturbances on primary actuator through use of a secondary actuator

Methods to determine gross and fine positioning on a reference surface of a media

Mirror mounting assembly

Transducer-level microactuator for a magnetic recording system

Magnetic head actuator and magnetic disk drive using the same

Micro-actuator having swing support to allow horizontal swinging movement of slider support

Actuator assembly including an actuator body damping assembly

Method of producing a micro-actuator

Magnetic head positioning mechanism with longitudinal piezo-electric elements

Precise positioning actuator for head element and head device with the actuator

Piezoelectric thin-film element and a manufacturing method thereof

System and method for hard drive damage prevention by providing reinforcing material to corners of a micro-actuator to improving the shock resistance thereof

Method of positioning by means of an actuator having three bridges

Flexible, suspension, and head gimbal assembly with piezoelectric layer units addressable by a voltage

Airflow shroud for HDD tracking microactuator

Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly

Collocated metal frame PZT micro-actuator with a lower stiffness suspension design and method of manufacture of same

Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive using configuration of the disk drive servo controller

Micro-actuation apparatus for head ABS planarity (PTR) control during slider machining

Magnetic recording head with a piezoelectric actuator for controlling head-media spacing

Magnetic disk device and method of reducing microactuator voltage

Disk device with flexure wiring spacing configuration

Data storage device generating PES RRO and data sector squeeze RRO for a plurality of zones

In-plane gimbal tongue microactuator system

Data storage device suspension strut damping system

Dynamic write field test for a perpendicular recording head

Magnetic recording system employing passive thermal asperity avoidance

Suspension having a stacked D33 mode PZT actuator with constraint layer

Head suspension assembly having PZT damper with non-uniform thickness

Feedforward compensation for multi-actuator hard drives

Disturbance compensation for dual-stage servo system using vibration sensor

Multi-layer PZT microactuator having a poled but inactive PZT constraining layer

Co-located gimbal-based DSA disk drive suspension with traces routed around slider pad

Microactuator bonding having increased adhesive exposure for more thorough adhesive cure

Servo control using a model of temperature-dependent friction

Piezoelectric actuator with wrap-around electrode on inactive constraining layer

Piezoelectric disk drive suspension motors having plated stiffeners

HDD microactuator having reverse poling and active restraining layer

Data storage device compensating for hysteretic response of microactuator

High-speed recording disk defect detection

Head assembly and disk device provided with the same

Assembly of DSA suspensions using microactuators with partially cured adhesive, and DSA suspensions having PZTs with wrap-around electrodes

Disk drive actuating first head microactuator while sensing signal from second head microactuator

Disk drive detecting microactuator degradation by evaluating frequency component of servo signal