ClassID:

197730

G11B5/1871 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Structure or manufacture of heads, e.g. inductive; Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features Shaping or contouring of the transducing or guiding surface

Sub-classes:
Recent Application in this class:
#1
20230377603
2023-11-23

Magnetic head and magnetic disk device comprising the same

#2
20230154488
2023-05-18

Magnetic write head with flux blockade structure

#3
20220139421
2022-05-05

Restriction of suspension dimple contact point

#4
20210390976
2021-12-16

Dual writer for advanced magnetic recording

#5
20210366519
2021-11-25

Split band multichannel magnetic recording head having scaled reader widths

#6
20210158839
2021-05-27

Dual writer for advanced magnetic recording

#7
20210035602
2021-02-04

Magnetic disk device having multiple writers with writing current of different frequencies

#8
20200227079
2020-07-16

Slider gas-bearing surface designs with leading-edge pockets

#9
20200168249
2020-05-28

Data storage tape cartridge

#10
20200020354
2020-01-16

Tape head module having recessed portion to provide an air bearing between a tape medium and a tape bearing surface of the module

#11
20190341071
2019-11-07

Forming recessed portions in a tape head module to provide an air bearing between a tape medium and a tape bearing surface of the tape head module

#12
20190311740
2019-10-10

Methods for selecting wrap angle for inducing tape tenting above transducer

#13
20190304502
2019-10-03

Methods for selecting wrap angle for inducing tape tenting above transducer

#14
20190304501
2019-10-03

Methods for selecting wrap angle for inducing tape tenting above transducer

#15
20190295573
2019-09-26

Distributing tape drive abrasion

#16
20190295571
2019-09-26

Method of forming write head designs with sandwich trailing shield (STS) for high data rate perpendicular recording

#17
20190287555
2019-09-19

Tape head module having recessed portion to provide an air bearing between a tape medium and a tape bearing surface of the module

#18
20190214041
2019-07-11

NFT with mechanically robust materials

#19
20190206432
2019-07-04

Distributing tape drive abrasion

#20
20190206430
2019-07-04

Tape head having sensors proximate to an edge

#21
20190206429
2019-07-04

Tape head having sensors proximate to an edge

#22
20190180776
2019-06-13

Apparatus having an array of write transducers having a low friction interface

#23
20190180775
2019-06-13

Write transducers having high moment layer

#24
20190180774
2019-06-13

Write transducers having high moment layer

#25
20190180773
2019-06-13

Apparatus having recessed TMR read sensor structures for robust head-tape interface

#26
20190172483
2019-06-06

Tape head having a portion of a bearing surface slot that defines a skiving edge

#27
20190103135
2019-04-04

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

#28
20190051318
2019-02-14

Filled-gap magnetic recording head and method of making

#29
20190013044
2019-01-10

Tape head having sub-ambient channel and methods of manufacture

#30
20180366147
2018-12-20

Beaked write transducer

#31
20180330749
2018-11-15

Method of restoring suspension of hard disk drive

#32
20180277152
2018-09-27

Tape head having sub-ambient channel and methods of manufacture

#33
20180277147
2018-09-27

Write head designs with sandwich trailing shield (STS) for high data rate perpendicular recording

#34
20180261242
2018-09-13

MAGNETIC WRITER HAVING CONVEX TRAILING SURFACE POLE AND CONFORMAL WRITE GAP

#35
20180261240
2018-09-13

NFT with mechanically robust materials

#36
20180247668
2018-08-30

Write transducers having high moment layer

#37
20180247663
2018-08-30

Beaked write transducer

#38
20180158478
2018-06-07

Methods for selecting wrap angle for inducing tape tenting above transducer

#39
20180122410
2018-05-03

Tape head having sensors proximate to a region between tented tape regions

#40
20180108372
2018-04-19

High accuracy tape bearing surface length definition process for tape head fabrication

#41
20180108371
2018-04-19

Tape head formed with high accuracy tape bearing surface length definition process

#42
20180102138
2018-04-12

Tape head having a portion of a bearing surface slot that defines a skiving edge

#43
20180068678
2018-03-08

Magnetic recording head having protected reader sensors and near zero recessed write poles

#44
20180061440
2018-03-01

Polycrystalline dielectric coating for cobalt iron alloy thin films

#45
20170372728
2017-12-28

Magnetic writer having convex trailing surface pole and conformal write gap

#46
20170337942
2017-11-23

Tape heads with sub-ambient pressure cavities

#47
20170330588
2017-11-16

Polycrystalline dielectric coating for cobalt iron alloy thin films

#48
20170294197
2017-10-12

Flux-guided tunneling magnetoresistive (TMR) sensor for magnetic tape with reduced likelihood of electrical shorting

#49
20170236536
2017-08-17

Fabrication of a tape head with a monobloc closure

#50
20170236535
2017-08-17

Tape head with step-like cross-sectional profile

#51
20170169841
2017-06-15

Direction dependent tape head assembly to reduce tape-head friction

#52
20170092304
2017-03-30

Magnetic head, disk drive with the same and method of manufacturing magnetic head

#53
20170004852
2017-01-05

Manufacturing method for reader side shield

#54
20170004849
2017-01-05

Magnetic recording head having protected reader sensors and near zero recessed write poles

#55
20160196850
2016-07-07

Low friction tape head

#56
20160189738
2016-06-30

Tape head surface with non-uniform cross-width edge profiles

#57
20160118070
2016-04-28

Waveguide of a write head with reduced crosstrack width proximate a near-field transducer

#58
20160118069
2016-04-28

Waveguide of a write head with reduced cross sectional area proximate a near-field transducer

#59
20160111120
2016-04-21

Tape heads with sub-ambient pressure cavities

#60
20160071530
2016-03-10

Tape head surface with non-uniform cross-width edge profiles

#61
20160064029
2016-03-03

Apparatus with first and second close points on media-facing surface of magnetic head

#62
20160055867
2016-02-25

Tape heads with sub-ambient pressure cavities

#63
20150364147
2015-12-17

Filled-gap magnetic recording head and method of making

#64
20150255097
2015-09-10

Near field transducer and heat sink design for heat assisted magnetic recording

#65
20150248899
2015-09-03

METHOD FOR FABRICATING A MAGNETIC SHIELD AT REDUCED COST AND WITH ENHANCED RELIABILITY

#66
20150199984
2015-07-16

Magnetic recording head having protected reader sensors and near zero recessed write poles

#67
20150117169
2015-04-30

Near-field transducer with rounded or obtuse corners

#68
20150103445
2015-04-16

T-shaped write pole

#69
20150103439
2015-04-16

Write pole with varying bevel angles

#70
20150062746
2015-03-05

In-situ lapping plate mapping device

#71
20150055244
2015-02-26

Read/write head with improved contact

#72
20150049400
2015-02-19

Gradient write gap for perpendicular magnetic recording writer

#73
20150040380
2015-02-12

Method of shaping a trailing edge of a slider

#74
20150029611
2015-01-29

Stitched pole having a tapered tip

#75
20140376345
2014-12-25

Near field transducer with isolated peg

#76
20140376344
2014-12-25

Near field transducer and heat sink design for heat assisted magnetic recording

#77
20140362473
2014-12-11

Low friction tape head

#78
20140327988
2014-11-06

Data reader with back edge surface

#79
20140268424
2014-09-18

Manufacturing method of magnet head able to reduce electrode film for plating

#80
20140224421
2014-08-14

Procedure on bonding using mechanically-controlled bonding tool

#81
20140154951
2014-06-05

Common ground for electronic lapping guides

#82
20140119163
2014-05-01

Write pole design

#83
20140063646
2014-03-06

Magnetic recording head having protected reader sensors and near zero recessed write poles

#84
20130286504
2013-10-31

Tapered pole heads for magnetic media

#85
20130215534
2013-08-22

SLIDER EDGE FEATURES

#86
20130016443
2013-01-17

Asymmetric writer for shingled magnetic recording

#87
20120300338
2012-11-29

Low friction tape head and system implementing same

#88
20120183907
2012-07-19

Patterning process for small devices

#89
20120151752
2012-06-21

Method for determining a critical dimension at a plane of interest from a measurement taken at a test plane

#90
20120106003
2012-05-03

Methods for providing persistent lubrication to a magnetic tape head and systems thereof

#91
20120020194
2012-01-26

Plasmon shield to shape and reduce optical spot

#92
20120012555
2012-01-19

Method to make an integrated side shield PMR head with non-conformal side gap

#93
20120008234
2012-01-12

Low friction tape head and system implementing same

#94
20110255192
2011-10-20

Thin film magnetic tape head including gap between substrate and closure

#95
20110249359
2011-10-13

Magnetic head having an asymmetrical shape and systems thereof

#96
20110242707
2011-10-06

HARD DISK DRIVE

#97
20110181982
2011-07-28

Servo write head, servo writer, and method for manufacturing magnetic tape with servo signal written thereon

#98
20110058277
2011-03-10

Asymmetric writer for shingled magnetic recording

#99
20110026158
2011-02-03

Methods and devices to control write pole height in recording heads

#100
20110019309
2011-01-27

Magnetic head having a stepped or segmented wrap around shield and methods of formation thereof

#101
20100321815
2010-12-23

Notched pole design for HAMR recording

#102
20100188774
2010-07-29

Planar magnetic writer having offset portions

#103
20100163422
2010-07-01

Assisted deposition, narrow trench damascene process for manufacturing a write pole of a magnetic write head

#104
20100149688
2010-06-17

PERPENDICULAR-MAGNETIC-RECORDING HEAD WITH LEADING-EDGE TAPER OF A PLANARIZED STEPPED-POLE LAYER HAVING GREATER RECESS DISTANCE THAN A FLARE-POINT OF A MAIN-POLE LAYER

#105
20100147792
2010-06-17

Method of manufacturing a magnetic recording head

#106
20100118435
2010-05-13

Magnetic head with planar outrigger

#107
20100091413
2010-04-15

Magnetic recording head, method of manufacturing the same, and magnetic recording/reproducing device

#108
20100073816
2010-03-25

MAGNETIC HEAD AND METHOD OF MANUFACTURING THE SAME, LINEAR TAPE DRIVE APPARATUS, AND MAGNETIC RECORDING AND REPRODUCTION METHOD

#109
20100061016
2010-03-11

Method to make an integrated side shield PMR head with non conformal side gap

#110
20090273859
2009-11-05

FORMING A POLE TIP TOPOGRAPHY

#111
20090273855
2009-11-05

Method for measuring pole width of a slider of a disk drive device

#112
20090231757
2009-09-17

Head for tape drive with transversely varying contour

#113
20090165287
2009-07-02

MANUFACTURING METHOD FOR MAGNETIC HEAD SLIDER

#114
20090135520
2009-05-28

Magnetic tape head with magnetic head layer formed on base substrate

#115
20080314736
2008-12-25

Filled-gap magnetic recording head and method of making

#116
20080259494
2008-10-23

Flat profile tape head

#117
20080233835
2008-09-25

System for lapping a head having an electrical lapping guide (ELG) on a wafer

#118
20080218903
2008-09-11

Magnetic head having three modules

#119
20080192380
2008-08-14

Reduced tape stick tape drive systems

#120
20080176779
2008-07-24

Lubricant composition for polishing a magnetic head with fixed abrasive grains

#121
20080049358
2008-02-28

Tape head with outrigger

#122
20080037167
2008-02-14

Forming a head with reduced pole tip recession

#123
20080024912
2008-01-31

Read and write heads with at least a portion of the coil positioned about the write pole opposite the read transducer to reduce adjacent track erasure

#124
20080024911
2008-01-31

Magnetic head for perpendicular magnetic recording and method of manufacturing same

#125
20070283557
2007-12-13

Methods of fabricating single-pole recording head having trapezoidal main pole and bevel angle promotion layer

#126
20070258167
2007-11-08

Perpendicular magnetic write head having a magnetic write pole with a concave trailing edge

#127
20070236834
2007-10-11

Perpendicular magnetic recording head having a main magnetic pole layer with a trapezoidally shaped flared part with a ratio of the length of the long base to that of the short base is equal to 1

#128
20070223139
2007-09-27

Method of producing magnetic head and magnetic head

#129
20070217068
2007-09-20

Method of producing magnetic head and magnetic head

#130
20070206323
2007-09-06

Asymmetric type perpendicular magnetic recording head and method of manufacturing the same

#131
20070188921
2007-08-16

Magnetic head and magnetic disk storage apparatus mounting the head

#132
20070183091
2007-08-09

Read/write head having varying wear regions and methods of manufacture

#133
20070153418
2007-07-05

Magnetic recording head and fabrication process

#134
20070146930
2007-06-28

Perpendicular recording head with floating-trailing shield extending around first and second sides of main pole piece

#135
20070135018
2007-06-14

Apparatus for processing a magnetic head slider

#136
20070127150
2007-06-07

Apparatus and method for adaptively adjusting recording density of a disk utilizing a trapezoidal shaped magnetic head

#137
20070103812
2007-05-10

Magnetic head closure bond using metal adhesion

#138
20070094866
2007-05-03

THIN-FILM TAPE HEAD PROCESSES

#139
20070064343
2007-03-22

Perpendicular magnetic recording head having a stepped portion and method of manufacturing the same

#140
20070050971
2007-03-08

Methods for forming micro-texture on an air bearing surface of a magnetic read/write slider and a magnetic read/write slider with micro-texture

#141
20070047142
2007-03-01

Magnetic head having three modules

#142
20070047141
2007-03-01

Magnetic head with planar outrigger

#143
20070008660
2007-01-11

Magnetic head and method of manufacturing the same

#144
20060265863
2006-11-30

Manufacturing method of slider and device for manufacturing slider

#145
20060265862
2006-11-30

Method of manufacturing magnetic head slider

#146
20060262453
2006-11-23

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

#147
20060256471
2006-11-16

Magnetic writing pole and a perpendicular writing element

#148
20060250712
2006-11-09

Perpendicular magnetic recording head and magnetic recording apparatus

#149
20060232883
2006-10-19

Magnetic recording head

#150
20060231523
2006-10-19

Method to planarize perpendicular write poles using a combination of CMP and reactive ion milling

#151
20060228996
2006-10-12

Lapping system with mutually stabilized lapping carriers

#152
20060221496
2006-10-05

Tape recording head with trench defining wear zone for constant rate of head wear

#153
20060201633
2006-09-14

Manufacturing method and apparatus for magnetic head sliders

#154
20060187581
2006-08-24

Magnetic head and method of manufacturing the same

#155
20060174474
2006-08-10

High milling resistance write pole fabrication method for perpendicular recording

#156
20060171073
2006-08-03

Thin-film magnetic head for perpendicular magnetic recording

#157
20060171069
2006-08-03

P1 write pole with shoulder formation

#158
20060158780
2006-07-20

Magnetic recording head and method of manufacturing the same

#159
20060143900
2006-07-06

Method for sample preparation for exposing a main pole of a recording head

#160
20060124595
2006-06-15

Method of polishing film to be polished

#161
20060117556
2006-06-08

Method of manufacturing a thin film magnetic head

#162
20060092568
2006-05-04

Single-pole recording head having trapezoidal main pole and bevel angle promotion layer and methods of fabricating the same

#163
20060092563
2006-05-04

Method of manufacturing a magnetic head with common seed layer for coil and pedestal

#164
20060087766
2006-04-27

Thin film magnetic head with small track width

#165
20060070231
2006-04-06

Process for creating a write head by forming a bump after the top pole is formed

#166
20060056109
2006-03-16

Magnetic head with adaptive data island and mini-outrigger and methods of manufacture

#167
20060028762
2006-02-09

Method of manufacturing a perpendicular write head

#168
20060023351
2006-02-02

Bilayer coil insulation for magnetic write heads to minimize pole recession

#169
20060002019
2006-01-05

Bilayer trailing shield gap for perpendicular head

#170
20050259355
2005-11-24

Perpendicular head with trailing shield and rhodium gap process

#171
20050241140
2005-11-03

High milling resistance write pole fabrication method for perpendicular recording

#172
20050235483
2005-10-27

Method for fabricating magnetic write heads

#173
20050231851
2005-10-20

Manufacturing method of magnetic head slider, magnetic head slider and magnetic device

#174
20050185335
2005-08-25

Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same

#175
20050147793
2005-07-07

Method of fabricating a narrow projection such as a write pole extending from a substrate

#176
20050139320
2005-06-30

Thin-film magnetic recording head manufacture using selective imaging

#177
20050126706
2005-06-16

Non-corrosive low temperature liquid resist adhesive

#178
20050094314
2005-05-05

Magnetic head

#179
20050071986
2005-04-07

Apparatus and method for closed loop feedback during lapping of magnetic heads

#180
20050068669
2005-03-31

Head for perpendicular recording with a floating trailing shield

#181
20050068668
2005-03-31

Servo write method for magnetic tape

#182
20050057853
2005-03-17

Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same

#183
20050047011
2005-03-03

Planarizing process

#184
20050028354
2005-02-10

Method for measuring amount of grinding in magnetic head producing process

#185
18600867
2025-04-22

Magnetic disk device

#186
17469571
2022-06-28

Write transducer with recessed portion to improve track shingling performance

#187
17071544
2022-01-11

Recording head with writer HMS less than reader HMS

#188
16695072
2020-12-29

Dual writer for advanced magnetic recording

#189
16656596
2020-03-31

System for transition curvature improvement on a thermally assisted magnetic recording

#190
16224664
2020-05-19

Tape head module having recessed portion(s) and air aperture(s) for providing an air bearing between a tape and the module

#191
16036155
2019-09-03

Hyperbolic metamaterial-based near-field transducer for heat assisted magnetic recording head

#192
15908685
2019-07-16

Slider air-bearing surface designs with segmented particle-trapping structures

#193
15856248
2018-08-28

Distributing tape drive abrasion

#194
15659840
2018-10-16

High damping materials in shields and/or write pole

#195
15601032
2019-02-12

Magnetic write transducer with flat pole section

#196
15437995
2018-07-17

Hyperbolic metamaterial-based near-field transducer for heat assisted magnetic recording head

#197
15339823
2017-12-05

Tape head having sensors proximate to an edge

#198
15201074
2017-06-27

Tape head with narrow skiving edges fitted to transducers

#199
15042446
2017-02-14

Tape head with write pole having multiple layers superimposed in a direction perpendicular to the contact plane

#200
14966426
2016-09-20

Direction dependent tape head assembly to reduce tape-head friction

#201
14956168
2017-09-19

Magnetic writer having convex trailing surface pole and conformal write gap

#202
14723802
2016-07-12

Reading and writing to a HAMR recording medium at different skew angles

#203
14644534
2016-05-31

Dual purpose tape write transducer

#204
14526335
2015-07-21

Apparatus and method for middle shield connection in magnetic recording transducers

#205
14307067
2016-08-30

Slider having shock and particle resistance

#206
12617569
2015-10-20

Method for controlling camber on air bearing surface of a slider