INTERFACE VOLTAGE CONTROL FOR SLIDER IN DATA STORAGE DEVICE

MAGNETIC DISK DEVICE

PREAMPLIFIER, DISK DEVICE, CONTROL DEVICE, AND ANALYSIS METHOD

Continuous dual path resistance detection for resistive temperature detectors in disk drives

Magnetic disk device

Magnetic disk device and contact detecting method of the magnetic disk device

Magnetic disk inspection method of magnetic disk device and magnetic disk device

Touchdown detection for multiple actuators on magnetic recording device

Shared MAMR and HDI sensor/driver

Surface acoustic wave-based sensing and actuation of contamination

Differential interface transmission of fly-height control data

Double loop heater

Surface acoustic wave-based sensing and actuation of contamination

Slider and suspension arm interconnection for magnetic storage device

Magnetic head control capable of avoidance media bumps during seeking process

Oxidation resistant sensor for heat-assisted magnetic recording

Suspension adjacent-conductors differential-signal-coupling attenuation structures

Magnetic disk recording device having different time interval between first and second pre-heating periods

Data storage device with high signal-to-noise ratio contact detection

Magnetic disk device and control method thereof

Head to media interface monitoring

Bond pad sharing for powering multiple writers of a recording head

Thin film magnetic head, head gimbals assembly, head arm assembly, and magnetic disk unit

Characterizing a sensing circuit of a data storage device

Head-medium contact detection using an oscillating electromagnetic force

Tunable contact detection sensitivity to directly measure clearance of protrusions in magnetic recording heads

Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection

Method and apparatus to detect and mitigate contamination between a read/write head and a recording medium

Disk storage device and method for controlling head flying height

Hard disk drive head-disk interface dithering

Concurrent modulation and frictional heating head disk contact detection

Heat-assisted magnetic recording head-disk clearance setting

Topographic feedforward system

Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection

Method of setting flying height and flying height setting device

Asperity and head-media contact detection using multi-stage temperature coefficient of resistance sensor

Writer core incorporating thermal sensor having a temperature coefficient of resistance

Thermally-assisted magnetic recording head including a plasmon generator

Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection

Topographic feedforward system

Electrically removable heater for a thermally actuatable thermal asperity sensor

Recording head with piezoelectric contact sensor

Magnetic head for microwave assisted magnetic recording

Electronic system with media preparation mechanism and method of operation thereof

Methods and devices for head-media contact detection

Writer core incorporating thermal sensor having a temperature coefficient of resistance

Clearance sensor and circuitry using adjustable channel parameters

In situ sensor based contact detection

Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection

Hard disk drive with contact detection using a spin torque oscillator

Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection

Systems and Methods for Characterizing Head Contact

Systems and methods for energy based head contact detection

Resistance temperature sensors powered using reader bond pad sharing

Contact detection using laser modulation

High sample rate dPES to improve contact detection signal to noise ratio

Heat assisted magnetic recording head having thermal sensor with high-TCR transparent conducting oxide

Asperity and head-media contact detection using multi-stage temperature coefficient of resistance sensor

Resistance temperature sensors for head-media and asperity detection

Head to media proximity detection

Contact detection

Friction force measurement assembly and method

Head-medium contact detection using introduced heat oscillation

Storage media asperity characterization

Storage media asperity detection

ABS design for uniform touch-down and back-off in DFH applications

Detection system using heating element temperature oscillations

Using first and second resistive sensor bias levels to detect head-to-disk contact and/or clearance

Determining head-to-disk contact and/or spacing using frequency domain signature of a temperature sensor

Systems and Methods for Identifying Head Contact

In-situ contact potential measurement in hard-disk drives

Excitation of airbearing oscillation with tar nearfield device for touchdown detection

Implementing channel signal processing assist with ECS contact detection

Disk drive comprising extended range head proximity sensor

MAGNETIC HEAD HAVING A CONTACT DETECTION SENSOR

Measurement of spacing fluctuation

Spacing fluctuation compensation

Collection of readback signal modulation data

Magnetic head slider having shared heater and contact sensor terminal pads

Distributed temperature detector architecture for head disk interface systems

Magnetic-recording head with touch-down detector incorporating a carbon nano-tube

Magnetic domain control for an embedded contact sensor for a magnetic recording head

Balanced embedded contact sensor with low noise architecture

Disk drive with multiplexed read signal and fly-height signal for fly-height monitoring during writing

Induced transducer head vibration

Head DFH protrusion shape calibration by HDI sensor

Multiple-sense thermo-resistive sensor for contact detection of read-write heads

Low clearance magnetic head having a contact detection sensor

Apparatus for digital RMS detection and peak detection in head-disk contact detection

Magnetic head having a contact sensor

Hard disk drive and method for controlling flying height of magnetic head thereof

Head-disk interference (HDI) detection

Methods of manufacturing a transducer

Tribological monitoring of a data storage device

Proximity sensing system

Magnetic head for perpendicular magnetic recording that includes a sensor for detecting contact with a recording medium

Magnetic head for perpendicular magnetic recording that includes a sensor for detecting contact with a recording medium

Contact detection

Systems and methods for medium contact detection

Transducer head temperature monitoring

HEAD WITH ALTITUDE RESISTANT AIR-BEARING SURFACE

Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection

Noise and particle shield for contact sensor in a slider

Asperity and head-media contact detection using multi-stage temperature coefficient of resistance sensor

Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection

Contact detection between a disk and magnetic head

Resistance temperature sensors for head-media and asperity detection

Detection system using heating element temperature oscillations

Integrated touch-down pad and touch-down sensor

Method of detecting touchdown of magnetic head using timestamps, and magnetic disk drive to which the method is applied

Magnetic-recording head with first thermal fly-height control element and embedded contact sensor element configurable as second thermal fly-height control element

Magnetic recording and reproduction device and flying height control method

Detecting touch down and/or assessing quality in a hard disk drive

METHOD OF DETECTING TOUCHDOWN OF MAGNETIC HEAD USING TIMESTAMPS, AND MAGNETIC DISK DRIVE TO WHICH THE METHOD IS APPLIED

Magnetic head slider inspection device

METHOD OF DETECTING THE TOUCH-DOWN OF A HEAD, METHOD OF ADJUSTING A HEAD FLYING HEIGHT USING THE METHOD OF DETECTING THE TOUCH-DOWN OF THE HEAD, AND DISK DRIVE USING THE METHOD OF DETECTING THE TOUCH-DOWN OF THE HEAD

Method and apparatus for detecting touch-down and contact between a head and a storage medium using a sensor, and a disk drive and storage medium using the method

Fly-height management in a hard disk drive (HDD)

Integrating control of slider bias potential, touch-down detection and fly-height determination in a HDD

COLLECTION OF READBACK SIGNAL MODULATION DATA

Head-disk contact detection and work function difference determination

Arm mounted shock sensor and flexible circuit routing

Magnetic head, head assembly and magnetic recording/reproducing apparatus

Disk drive servoing off of first head while determining fly height for second head

Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk

Disk drive determining operating fly height by detecting head disk contact from disk rotation time

Magnetic disk drive for controlling flying height of magnetic head

Hard disk drive apparatus, method of controlling flying height of magnetic head thereof, and recording medium to contain computer program therefor

Non-magnetic contact enhancement feature

Dynamic flying height read/write head with off-track contact capability at touch down in hard disk drives

Head control device, storage device, and contact detection method

Information recording device

Manufacturing method for magnetic disk drive

METHOD AND APPARATUS FOR SPACING CONTROL IN A DISK DRIVE

Control device, control method, and storage apparatus for controlling read head and write head clearance by thermal protrusion

Spectral analysis of a position error signal

Apparatus, system, and method for detection of fly height margin using controlled excitation of air bearing mode

Apparatus and method for detecting low flying sliders

Techniques for detecting head-disc contact

Measuring method of flying height and magnetic disk drive apparatus capable of adjusting flying height

Head-disc contact detection using a microactuator

Head slider, glide height checking apparatus, and glide height checking method

Detection of signal disturbance in a partial response channel

Glide head for magnetic disk

Head assembly having a sensing element to provide feedback for head-media instability

Method and apparatus for rejecting contact-induced disturbances

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

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

Glide testing of disks with calibration confirmation testing by inducing collision of the slider with production disk surface

Integral wear-pad for slider-disk interference detection

Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips

Data storage device with jitter-based touchdown detection

Pole tip recession compensation by dual heater ratio optimization in a hard disk drive

Touchdown detection and write-spacing setting in magnetic recording heads with protruding features

Method for forming a HAMR recording head with a protruding near-field transducer

Heat-assisted magnetic recording head with a near-field transducer extending beyond the media-facing surface

Protective shields under touchdown conditions for thermally assisted perpendicular magnetic recording

Magnetic head and disk device with heat actuators

TD detection with enhanced HDIs signal

Contact detection and laser power monitoring sensor for heat-assisted magnetic recording head

Data storage device measuring air bearing resonant frequency to calibrate fly height touchdown power

Method and apparatus for processing multiple servo channels in magnetic recording devices

Contact detection and laser power monitoring sensor for heat-assisted magnetic recording head

Methods, devices, and systems for establishing fly-height parameters for hard disk drives

Data storage device employing low duty cycle square wave to detect head touchdown

Slider incorporating a thermocouple for detecting thermal asperities

Calibration and adjusting target pre-write clearance offset for a heat-assisted magnetic recording device

Head-medium contact detection using a thermal sensor heated by multiple heat generating components of a slider

Contact detection and laser power monitoring sensor for heat-assisted magnetic recording head

Electrically conductive overlay for head-medium contact sensor

Contact detection using modulated writer coil current for a heat-assisted magnetic recording slider

Heat assisted magnetic recording slider having a consistent close point

Head-medium contact sensor cleaning for heat-assisted magnetic recording device

Bond pad sharing for powering multiple heaters of a magnetic recording head

Bond pad sharing for powering multiple components of a recording head

Dual purpose bolometric sensor for heat-assisted magnetic recording device

Dual purpose bolometric sensor for heat-assisted magnetic recording device

Head-medium contact detection using a thermal sensor and surface charge control of a slider

Recording head with electrically removable component

Head-medium contact detection using high frequency heater oscillation

Implementing enhanced ultrafast touchdown measurement scheme using thermal and voltage actuation for hard disk drives

Data storage device calibrating parameter for heat assisted magnetic recording

Apparatus and method for measuring pole tip protrusion ratio for a slider

Electronic system with media scan mechanism and method of operation thereof

Method of testing a head for contamination

High-speed recording disk defect detection

Adaptive defect avoidance device

Data storage device detecting fly height instability of head during load operation based on microactuator response

Nonlinearity-based contact prediction

Data storage device calibrating fly height actuator based on read mode touchdown resistance of touchdown sensor

Electronic system with media recovery mechanism and method of operation thereof

Method and apparatus for detecting drive head touchdown

Disk drive comprising extended range head proximity sensor

Head amplifier and magnetic disk apparatus

Constant false alarm resonance detector

Systems and methods for mitigating data interference in a contact signal

Disk drive detecting head touchdown by applying DC+AC control signal to fly height actuator

Disk drive calibrating bias signal for touchdown sensor

Touchdown sensor having a more stable crystal structure for use in hard disk drives

Disk drive detecting head/disk contact by evaluating a subset of touchdown metrics during a servo sector interrupt