ClassID:

197668

G11B2005/0016 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Special dispositions or recording techniques; Arrangements, methods or circuits; Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers

Sub-classes:
Recent Application in this class:
#1
20170186449
2017-06-29

Magnetic recording system including differentiated write current emphasis signal generator circuit

#2
20170186448
2017-06-29

Magnetic recording system using pattern dependent writer having register pages for storing write currents

#3
20170178670
2017-06-22

Magnetic recording system with ternary pattern dependent write signaling

#4
20140347766
2014-11-27

Protection of device from electrostatic discharge (ESD) damage

#5
20130328547
2013-12-12

Current shunt

#6
20130148229
2013-06-13

Implementing spin-torque oscillator sensing with enhanced delay control feedback circuit for hard disk drives

#7
20130148223
2013-06-13

Implementing spin-torque oscillator sensing with enhanced demodulator for hard disk drives

#8
20120120520
2012-05-17

CPP-TMR sensor with non-orthogonal free and reference layer magnetization orientation

#9
20110013306
2011-01-20

Apparatus, signal-processing circuit and device for magnetic recording system

#10
20100328799
2010-12-30

Spin torque oscillator sensor

#11
20100315928
2010-12-16

Elimination of errors due to aging in magneto-resistive devices

#12
20100177448
2010-07-15

High SNR CPP reader using high frequency standing wave interference detection

#13
20090168255
2009-07-02

Method of repairing the deterioration of magneto-resistive effect device

#14
20090080121
2009-03-26

METHODS FOR SUBSTRATE BIASING FOR MR DEVICES

#15
20090044084
2009-02-12

Combined DC restoration double detection and loops

#16
20090021852
2009-01-22

Apparatus, signal-processing circuit and device for magnetic recording system

#17
20090002898
2009-01-01

CPP-TMR sensor with non-orthogonal free and reference layer magnetization orientation

#18
20080278838
2008-11-13

Thermal asperity detector and methods for use therewith

#19
20080259505
2008-10-23

SUBSTRATE BIASING FOR MR DEVICES

#20
20080259504
2008-10-23

SHIELD BIASING FOR MR DEVICES

#21
20080080100
2008-04-03

Magnetic sensor and magnetic recording/reproducing apparatus

#22
20080062584
2008-03-13

Method for manufacturing a magnetoresistive sensor having a novel junction structure for improved track width definition and pinned layer stability

#23
20080062551
2008-03-13

Method and apparatus for measuring resistance of a resistive sensor

#24
20080024896
2008-01-31

Heat-assisted magnetic recording method using eddy current and head for heat-assisted magnetic recording

#25
20080019057
2008-01-24

Elimination of electric-pop noise in MR/GMR device

#26
20080002267
2008-01-03

Method and apparatus for slew rate control in the write current shape of a hard disk drive

#27
20070273997
2007-11-29

Method and system for removing signal defects in MR head signals

#28
20070263310
2007-11-15

Disk drive

#29
20070247763
2007-10-25

EMR structure with bias control and enhanced linearity of signal

#30
20070230008
2007-10-04

Reproducing circuit and a magnetic disk apparatus using same

#31
20070211373
2007-09-13

Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read heads

#32
20070133131
2007-06-14

Magnetic data system having a shield biasing circuit with resistor coupled between the shield and substrate

#33
20070133130
2007-06-14

Magnetic data system having bias circuit with bias resistor

#34
20070103807
2007-05-10

Method for recording bursts on a disk and related apparatus

#35
20070064330
2007-03-22

Magnetic disk unit

#36
20070030604
2007-02-08

Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect

#37
20070019338
2007-01-25

CPP-GMR sensor with non-orthogonal free and reference layer magnetization orientation

#38
20070013369
2007-01-18

Magnetic head slider testing apparatus and magnetic head slider testing method

#39
20060268464
2006-11-30

Method, medium, and apparatus controlling domain characteristics of a magneto-resistive sensor

#40
20060267582
2006-11-30

Resistance mode comparator for determining head resistance

#41
20060221507
2006-10-05

Magnetic sensor using a magnetic oscillation element

#42
20060221484
2006-10-05

Magnetic disk apparatus

#43
20060215309
2006-09-28

Low flying head detection using readback signal amplitude modulation

#44
20060168797
2006-08-03

Method of fabricating magnetic sensors with pinned layers with zero net magnetic moment

#45
20060158790
2006-07-20

Magnetoresistive sensor having a novel junction structure for improved track width definition and pinned layer stability

#46
20060158789
2006-07-20

Magnetic head with a narrow spacing between magnetic shields at air bearing surface

#47
20060152863
2006-07-13

Magnetic sensor having a Ru/Si based seedlayer providing improved free layer biasing

#48
20060152862
2006-07-13

Method for manufacturing magnetic head device

#49
20060132951
2006-06-22

Magnetic read/write device preventing malfunction due to reversal in polarity

#50
20060119963
2006-06-08

System and method for detecting head instability

#51
20060112770
2006-06-01

Individual slider testing

#52
20060066300
2006-03-30

Full track profile derivative method for read and write width measurements of magnetic recording head

#53
20060066299
2006-03-30

Reverse magnetic reset to screen for weakly pinned heads

#54
20060028747
2006-02-09

Stray field detector, magnetic disk drive, and method of head escaping

#55
20060023369
2006-02-02

Extraordinary magnetoresistance sensor with perpendicular magnetic biasing by a ferromagnetic multilayer

#56
20050254159
2005-11-17

Disk drive write driver with boosting circuit to improve output voltage swing

#57
20050243480
2005-11-03

Magnetic recording and reproducing apparatus having element for correcting misaligned magnetization direction

#58
20050238924
2005-10-27

CPP GMR with hard magnet in stack bias layer

#59
20050237677
2005-10-27

Thin film magnetic head, head gimbal assembly, and hard disk drive

#60
20050237651
2005-10-27

Device and signal processing circuit for magnetic recording, magnetic recording apparatus

#61
20050233177
2005-10-20

Magnetic hard disk drive with countermeasure against spike noise

#62
20050219725
2005-10-06

Read head preamplifier with thermal asperity transient control

#63
20050213244
2005-09-29

Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head

#64
20050207061
2005-09-22

Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head

#65
20050190476
2005-09-01

Method and apparatus for write head demagnetization

#66
20050180039
2005-08-18

Method for intersymbol interference removal in data recovery

#67
20050174669
2005-08-11

Preamplifier circuit with signal interference cancellation suitable for use in magnetic storage devices

#68
20050168860
2005-08-04

Integrated bias and offset recovery amplifier

#69
20050166093
2005-07-28

Method for controlling starting operation of unit and executing self-checking test

#70
20050152206
2005-07-14

Write driver with continuous impedance match and improved common mode symmetry

#71
20050146993
2005-07-07

Magneto-optical recording medium, information recording/reproducing method, and magnetic recording apparatus

#72
20050141134
2005-06-30

System and method for disk formatting

#73
20050134990
2005-06-23

Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording element

#74
20050122613
2005-06-09

Impedance-controlled write driver for low power preamp

#75
20050117247
2005-06-02

Perpendicular recording magnetic disk apparatus

#76
20050106420
2005-05-19

Magnetic recording medium

#77
20050094301
2005-05-05

Magnetic recording channel utilizing control fields for timing recovery, equalization, amplitude and amplitude asymmetry

#78
20050042409
2005-02-24

Magnetic disk, magnetic disk manufacturing method and magnetic disk apparatus

#79
20050041315
2005-02-24

Apparatus and method for use in transferring information relative to a storage medium

#80
20050031826
2005-02-10

Magnetic disk, magnetic disk manufacturing method and magnetic disk apparatus

#81
20050024759
2005-02-03

Method and apparatus for decoding sync marks in a disk

#82
20050024046
2005-02-03

Method of detecting polarity reversal in a magnetoresistive sensor

#83
20050013046
2005-01-20

Magnetic recording and reproduction method

#84
20050013033
2005-01-20

Magnetic recording disk drive with laminated media and improved media signal-to-noise ratio

#85
20050011066
2005-01-20

Method for resetting pinned layer magnetization in a magnetoresistive sensor

#86
16016342
2019-04-09

Preamp mode status diagnostic

#87
15835808
2019-01-29

Write pole coating layer

#88
15680343
2018-06-19

Magnetic disk device using head amplifier circuit for pattern dependent write

#89
15638839
2018-03-27

Head-disk contact detection using a thermal sensor for modulation air bearings

#90
15040701
2017-07-11

Sorting of HAMR read/write heads based on reader and writer widths

#91
14711428
2015-12-22

Disk drive with preamplifier with isolation for multiple readers in a slider with a common return signal