Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 21 - Head arrangements not specific to the method of recording or reproducing
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
11/2014
11/11/2014US8885283 Disk drive adjusting write block size based on detected vibration
11/11/2014US8885278 Magnetic disk apparatus and control method of magnetic heads
11/06/2014US20140327986 Magnetic recording head having quilted-type coating
11/06/2014US20140327979 Mirror mounting assembly
11/04/2014US8879212 Disk drive suspension assembly with flexure having dual conductive layers with staggered traces
11/04/2014US8879210 DSA suspension with microactuators extending to gimbal through flexible connectors
11/04/2014US8879209 Device select system for multi-device electronic system
11/04/2014US8879205 High spin-torque efficiency spin-torque oscillator (STO) with dual spin polarization layer
11/04/2014US8879194 Calibration of ramp location in a disk drive employing spiral-based self servo writing
11/04/2014US8879191 Disk drive modifying rotational position optimization algorithm to achieve target performance for limited stroke
11/04/2014US8879189 Magnetic head slider having shared heater and contact sensor terminal pads
10/2014
10/30/2014US20140320993 Tape head with thermal tape-head distance sensor
10/28/2014US8873353 Estimating narrow, laser-induced protrusion at a near-field transducer
10/28/2014US8873202 Head gimbal assembly in which flexure swing is suppressed and disk device including the same
10/28/2014US8873194 Touchdown detection in magnetic disk storage devices
10/28/2014US8873193 Circuitry for controlling a voice coil motor
10/28/2014US8873192 Magnetic tape heads
10/28/2014US8873190 Disk drive generating fly height measurement from servo burst and adjusting by position error signal
10/28/2014US8873189 Magnetic disk device and disturbance compensation method for dual-stage actuator
10/23/2014US20140315573 System and method for controlling device location determination
10/21/2014US8869180 Rotary head multi-layer data storage and retrieval system and method
10/21/2014US8867174 Apparatuses and methods for loading a head onto a disk medium
10/21/2014US8867172 ABS design for uniform touch-down and back-off in DFH applications
10/21/2014US8867162 Magnetic disk device and demodulation position correcting method
10/14/2014US8861143 Suspension for compensating slider attitude
10/14/2014US8861141 Damped dual stage actuation disk drive suspensions
10/14/2014US8861140 Slider supporting apparatus
10/14/2014US8861126 Disk drive detecting when head is on ramp
10/14/2014US8861116 Track pitch variation measurement method using spiral DC pattern writing
10/07/2014US8854933 Information processing apparatus, drive unit, detection circuit and control method
10/07/2014US8854772 Adhesion enhancement of thin film PZT structure
10/07/2014US8854770 Disk drive suspension and manufacturing method therefor
10/07/2014US8854765 Regulating distribution of power in a hard disk drive following a power loss
10/07/2014US8854764 Multiple-sense thermo-resistive sensor for contact detection of read-write heads
10/07/2014US8854761 Method and system for specifying self-servo-write patterns
09/2014
09/30/2014US8849435 Digital downloading jukebox with revenue-enhancing features
09/30/2014US8848310 Offset correction values on a data storage media
09/30/2014US8848309 Determining head-to-disk contact and/or spacing using frequency domain signature of a temperature sensor
09/30/2014US8848306 Magnetic recording reproducing apparatus and magnetic recording medium
09/18/2014US20140272120 Method for producing a smooth ru side gap of a damascene writer pole
09/18/2014US20140269241 High sample rate dpes to improve contact detection signal to noise ratio
09/18/2014US20140269239 Topographic feedforward system
09/18/2014US20140268408 Azimuth actuated dual device set positioning
09/18/2014US20140268407 Head to media proximity detection
09/16/2014US8837084 Perpendicular magnetic write head having a hull shaped stitched pole
09/16/2014US8837077 Computer system and controlling method for hard disk
09/16/2014US8837076 In situ sensor based contact detection
09/16/2014US8837075 Head assembly with head-media spacing control
09/16/2014US8837073 Delayed disk drive preamplifier write turn on
09/16/2014US8837070 Capacitive clearance detection for a magnetic head
09/12/2014WO2014138699A1 De-swage machine for removal of a head from a head stack assembly
09/12/2014WO2014137755A1 Encapsulated laser diode for heat-assisted magnetic recording
09/11/2014US20140254340 Topographic feedforward system
09/09/2014US8830632 Gimbal assembly resonance mode anti-biasing
09/09/2014US8830619 Overwrite threshold number of tracks
09/09/2014US8830618 Fly height control for hard disk drives
09/04/2014US20140247521 Gimbal assembly resonance mode anti-biasing
09/02/2014US8824091 Media topography driven flying height modulation sensing using embedded contact sensor
09/02/2014US8824090 Methods and devices for compensating for off-track motion
08/2014
08/28/2014WO2014130732A1 Method and apparatus for measuring a pitch static attitude of a head stack assembly
08/28/2014US20140240871 Interface voltage control operating point determination in a hard disk drive
08/28/2014US20140240866 Adjustment of tape writing mechanism, based on tape dimensional stability and positional error signal distribution
08/26/2014US8817413 Disk lubricant management in data storage device
08/26/2014US8817412 Magnetic disk device and writing method of a magnetic disk
08/19/2014US8810972 Electrical interconnect from disk drive suspension flexure to PZT motor
08/19/2014US8810971 Single sheet differential-poled piezoelectric microactuator for a hard disk drive
08/19/2014US8810955 System and method for monitoring fly height of multiple read heads of a data storage device
08/19/2014US8810954 Disk storage apparatus, write control apparatus and write control method
08/19/2014US8810953 Error recovery based on applying current/voltage to a heating element of a magnetic head
08/19/2014US8810952 Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection
08/19/2014US8810939 Variable stopwrite threshold using kurtosis
08/12/2014US8804286 Swage coupling assembly
08/12/2014US8804275 System and method for determining head-disk contact in a magnetic recording disk drive having a fly-height actuator
08/12/2014US8804274 Disk storage apparatus and servo control method
08/12/2014US8804273 Head fly height testing and compensation
08/12/2014US8804272 Clearance sensor and circuitry using adjustable channel parameters
08/12/2014US8804271 Information processing apparatus and head evacuation processing method therefor
08/12/2014US8804270 Tape head actuator
08/12/2014US8804266 Double servo type magnetic disc apparatus
08/12/2014US8804257 Variable stopwrite threshold using kurtosis
08/06/2014CN103975390A 公差环、硬盘装置及硬盘装置的制造方法 The method of manufacturing tolerance ring, hard disk device and the hard disk device
08/05/2014US8797691 Disk drive head suspension with a single piezoelectric element adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure
08/05/2014US8797687 Head with supplemental module for backward and/or cross-platform compatibility
08/05/2014US8797672 Dynamic track pitch control for shingled magnetic recording (SMR)
08/05/2014US8797671 Excitation of airbearing oscillation with tar nearfield device for touchdown detection
07/2014
07/30/2014CN101740080B 光盘装置 Optical disc device
07/29/2014US8792201 Method of disc alignment using printed alignment marks
07/29/2014US8792200 Disk drive employing a temperature dependent write offset
07/22/2014US8786979 Self servo write process for discrete track media
07/22/2014US8786977 Induced transducer head vibration
07/22/2014US8786976 Disk drive detecting when head is on ramp
07/22/2014US8786975 Thin-femto magnetic head slider and method for producing the same
07/17/2014US20140198406 Storage device, sweep operation control method and sweep operation control program
07/15/2014US8781297 Method and disc drive for providing a content entity from a storage disc
07/15/2014US8780501 Head support mechanism with counter balance and centroid adjustment pads
07/15/2014US8780485 Data transfer of a linear tape drive
07/10/2014WO2014107662A1 Topographic feedforward system
07/10/2014WO2014107658A1 Topographic feedforward system
07/10/2014US20140192440 Slider with shock damping features
07/08/2014US8773819 Actuator mounting section of disk drive suspension, method of applying electrically conductive paste, and paste application device
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