ClassID:

197728

G11B5/17 - 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 Construction or disposition of windings

Recent Application in this class:
#1
20230178101
2023-06-08

MAGNETIC TAPE CONTROL SYSTEM AND MAGNETIC TAPE CONTROL DEVICE

#2
20230120213
2023-04-20

Magnetic recording medium

#3
20220358958
2022-11-10

MAGNETIC TAPE CARTRIDGE AND MAGNETIC RECORDING AND REPRODUCING DEVICE

#4
20220208222
2022-06-30

Magnetic recording medium, magnetic recording/reproducing device, and magnetic recording medium cartridge

#5
20220208221
2022-06-30

Tape-shaped magnetic recording medium including magnetic layer having recesses on a surface, magnetic recording/reproducing device, and magnetic recording medium cartridge

#6
20220199115
2022-06-23

Magnetic recording medium, magnetic recording/reproducing device, and magnetic recording medium cartridge

#7
20210142822
2021-05-13

Write transducer with symmetric yoke structure

#8
20200381010
2020-12-03

Card reader having chopping drive circuit with cycle shorter than reading gap and control method for card reader

#9
20200211585
2020-07-02

Magnetic recording device capable of stabilizing oscillations of high frequency assisted element

#10
20190333531
2019-10-31

Coil routing designs for dual and triple perpendicular magnetic recording (PMR) writers

#11
20190304490
2019-10-03

Magnetic core and coil design for double perpendicular magnetic recording (PMR) writers

#12
20190279667
2019-09-12

Spin transfer torque (STT) device with template layer for heusler alloy magnetic layers

#13
20190279661
2019-09-12

Data storage device detecting resistance delta of a spin torque oscillator

#14
20190172482
2019-06-06

Write coil cooling arrangement at air bearing surface

#15
20190130935
2019-05-02

Magnetic head and magnetic recording medium processing device

#16
20190115047
2019-04-18

Magnetic recording head with specified thickness and saturation magnetic flux density products for STO magnetic layers

#17
20190066717
2019-02-28

Magnetic head and disk device having gap layers with different magnetic relative permeabilities

#18
20180286436
2018-10-04

Tape apparatus having an array of write transducers each having at least three layers of coils

#19
20180114539
2018-04-26

Magnetic recording head with specified thickness and saturation magnetic flux density products for STO magnetic layers

#20
20170365278
2017-12-21

Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head

#21
20170270953
2017-09-21

Magnetic head for perpendicular magnetic recording with a coil including a first winding portion of one turn and a second winding portion of less than one turn

#22
20170263272
2017-09-14

Magnetic disk device and high-frequency assist recording method

#23
20170249960
2017-08-31

Magnetic recording head and disk device comprising the same

#24
20170206917
2017-07-20

Write coil cooling arrangement at air bearing surface

#25
20170186450
2017-06-29

Magnetic recording and reproducing device with stacked body configuration

#26
20170140780
2017-05-18

Magnetic head for perpendicular magnetic recording capable of preventing unwanted erasure

#27
20170133043
2017-05-11

Single coil turn data writer

#28
20170125042
2017-05-04

Magnetic head for perpendicular magnetic recording with a coil including a first winding portion of one turn and a second winding portion of less than one turn

#29
20170076747
2017-03-16

Magnetic tape medium servo pattern writing method using single coil multi-gap write head

#30
20170061993
2017-03-02

Data writer coil heater

#31
20160379677
2016-12-29

Heat assisted magnetic recording writer having integrated polarization rotation waveguides

#32
20160284366
2016-09-29

Magnetic head for perpendicular magnetic recording including a write shield

#33
20160275970
2016-09-22

Magnetic head for perpendicular magnetic recording including a coil having an inclined surface

#34
20160225391
2016-08-04

Method of forming a magnetic write head

#35
20160225390
2016-08-04

Thermally-assisted magnetic recording head

#36
20160210994
2016-07-21

Thermally-assisted magnetic recording head including a main pole and a plasmon generator

#37
20160148627
2016-05-26

Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy material

#38
20160133281
2016-05-12

Magnetic writer having multiple gaps with more uniform magnetic fields across the gaps

#39
20160111118
2016-04-21

MAGNETIC HEAD, HEAD GIMBAL ASSEMBLY INCLUDING THE SAME, AND DISK DEVICE

#40
20160064018
2016-03-03

Write head with coil structure aligned with yoke

#41
20160055869
2016-02-25

Magnetic head for perpendicular magnetic recording including two side shields and main pole including lower protrusion

#42
20160019916
2016-01-21

Unbalanced data writer coil

#43
20150380016
2015-12-31

Magnetic head for perpendicular magnetic recording including angled side shield surfaces

#44
20150356993
2015-12-10

Write head for a magnetic tape medium with magnetically encoded servo band bursts

#45
20150356984
2015-12-10

Method for writing a servo pattern to a magnetic tape medium with magnetically encoded servo band bursts

#46
20150345030
2015-12-03

Copper plating method

#47
20150294676
2015-10-15

Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head

#48
20150243303
2015-08-27

Magnetic storage medium comprised of magnetic nanoparticles contained within nanotubes

#49
20150228296
2015-08-13

Magnetic recording head and disk device with the same

#50
20150170682
2015-06-18

Magnetic head including a first and second insulating film between a coil element and a write shield

#51
20150170679
2015-06-18

Magnetic head for perpendicular magnetic recording including a main pole and a write shield to provide improved write characteristics without compromising the function of the write shield

#52
20150154987
2015-06-04

Magnetic head having a short yoke with a tapered coil structure

#53
20150098146
2015-04-09

Pseudo-differential magnetic recording system and method incorporating a dummy read element and a dummy transmission line

#54
20140313614
2014-10-23

Magnetic write head having a stacked coil architecture for high data rate performance

#55
20140313613
2014-10-23

Magnetic write head having a coil adjacent to the main pole

#56
20140268416
2014-09-18

Recording head coil structure

#57
20140036393
2014-02-06

Device select system for multi-device electronic system

#58
20140036387
2014-02-06

Microwave assisted magnetic recording head having spin torque oscillator, and magnetic recording apparatus

#59
20140002927
2014-01-02

WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING PERFORMANCE

#60
20140002924
2014-01-02

Magnetic recording head with high frequency oscillator and disk drive with the same

#61
20130329319
2013-12-12

Magnetic head for perpendicular magnetic recording having a return path section

#62
20130329317
2013-12-12

Magnetic Recording Head and Magnetic Recording Apparatus

#63
20130321953
2013-12-05

Write head including yoke and windings

#64
20130286506
2013-10-31

Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar

#65
20130283601
2013-10-31

Method of manufacturing magnetic head for perpendicular magnetic recording having a return path section

#66
20130242432
2013-09-19

Recording head coil structure

#67
20130135765
2013-05-30

Perpendicular magnetic recording write head with ladder network compensation circuitry on slider body for write current overshoot at write current switching

#68
20130038966
2013-02-14

Magnetic head for perpendicular magnetic recording having a main pole, a shield and a coil core part setback away from the medium facing surface a specified distance

#69
20120299681
2012-11-29

FLAT BAND WINDING FOR AN INDUCTOR CORE

#70
20120299680
2012-11-29

Multi gap inductor core

#71
20120268844
2012-10-25

Magnetic recording head and magnetic recording apparatus

#72
20120205344
2012-08-16

Copper plating method

#73
20120182644
2012-07-19

Recording head and disk drive with the same

#74
20120170429
2012-07-05

Apparatus for increasing data rates in a magnetic head

#75
20110273797
2011-11-10

Write head having a device for reducing the effects of stray flux

#76
20110273796
2011-11-10

Magnetic write head with flux diverting structure

#77
20110102116
2011-05-05

Magnetic writer having multiple gaps with more uniform magnetic fields across the gaps

#78
20110008581
2011-01-13

Fabrication of multi-dimensional microstructures

#79
20100290157
2010-11-18

Damascene coil processes and structures

#80
20100246047
2010-09-30

Magnetic head and information storage device

#81
20100227278
2010-09-09

Manufacturing process of semiconductor device

#82
20100220415
2010-09-02

Magnetic recording head and magnetic recording apparatus

#83
20100188774
2010-07-29

Planar magnetic writer having offset portions

#84
20100187199
2010-07-29

Self-aligned coil process in magnetic recording heads

#85
20100157471
2010-06-24

Write head with different upper and lower yoke lengths and methods for making the same

#86
20100149687
2010-06-17

Magnetic head that suppresses protrusion of medium facing surface caused by heat of coil

#87
20100118439
2010-05-13

MAGNETIC HEAD AND INFORMATION STORAGE APPARATUS

#88
20100084263
2010-04-08

Method for producing tight pitched coil with reduced processing steps

#89
20100046120
2010-02-25

Write head with integrated coil and shield structure

#90
20100014187
2010-01-21

Read/write apparatus and method for a magnetic storage medium comprised of magnetic nanoparticles contained within nanotubes

#91
20090251827
2009-10-08

Recording head for reducing side track erasure

#92
20090213496
2009-08-27

Perpendicular magnetic recording head and method for manufacturing the same

#93
20090116144
2009-05-07

Perpendicular magnetic recording head and method of manufacturing the same

#94
20090103214
2009-04-23

Magnetic recording head comprising conical main pole tip and method of manufacturing the same

#95
20090086358
2009-04-02

Method and system for magnetic recording using self-organized magnetic nanoparticles

#96
20090057160
2009-03-05

INTERLEAVED HELICAL COILS ON PERPENDICULAR HEADS

#97
20090052095
2009-02-26

Magnetic recording head and magnetic recording apparatus

#98
20080316646
2008-12-25

Perpendicular magnetic recording head having coil portions above a main pole and provided with different cross-sectional shapes and method of manufacturing the same

#99
20080291566
2008-11-27

Device select system for multi-device electronic system

#100
20080253022
2008-10-16

Magnetic write transducer

#101
20080247086
2008-10-09

Method for forming interleaved coils with damascene plating

#102
20080235938
2008-10-02

Method for manufacturing a magnetic head for perpendicular magnetic data recording

#103
20080112080
2008-05-15

Magnetic write head employing multiple magnetomotive force (MMF) sources

#104
20080100960
2008-05-01

Wafer and insulation characteristic monitoring method

#105
20080068749
2008-03-20

Thin-film magnetic head with coil-insulating layer that thermal expansion coefficient and young'S modulus are specified

#106
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

#107
20080019041
2008-01-24

Magnetic head having a heating coil

#108
20080002289
2008-01-03

Magnetic head having reduced induction coil electrical resistance and method for the fabrication thereof

#109
20070291409
2007-12-20

Magnetic head for perpendicular magnetic recording

#110
20070253106
2007-11-01

Magnetic head apparatus and magnetic recording and reproducing apparatus

#111
20070230049
2007-10-04

Thin film device

#112
20070230042
2007-10-04

Thin film device having thin film coil wound on magnetic film

#113
20070230041
2007-10-04

Thin-film magnetic head with a spiral recording coil having a first part with a denser pitch closer to the medium facing surface than a second coil part and all set between a pair of magnetic layers

#114
20070211383
2007-09-13

Perpendicular magnetic recording head and method of manufacturing the same

#115
20070211378
2007-09-13

Method of manufacturing magnetic head and magnetic head

#116
20070211362
2007-09-13

Readback system providing a combined sample output including multiple samples per bit

#117
20070193023
2007-08-23

Method of manufacturing magnetic head

#118
20070165329
2007-07-19

Magnetic head structure with enlarged insulating layer

#119
20070153431
2007-07-05

Thin film magnetic head

#120
20070133126
2007-06-14

Magnetic head structure with enlarged insulating layer

#121
20070121247
2007-05-31

Thin film magnetic head that has solenoid type recording coil

#122
20070121245
2007-05-31

THIN FILM MAGNETIC HEAD HAVING RECORDING COIL AND METHOD OF FORMING RECORDING COIL

#123
20070117373
2007-05-24

Thin film magnetic head with a metal lamination part having concave connection surface

#124
20070109684
2007-05-17

THIN FILM MAGNETIC HEAD FOR PERPENDICULAR RECORDING

#125
20070106021
2007-05-10

Resist pattern thickening material, resist pattern and forming process thereof, and semiconductor device and manufacturing process thereof

#126
20070002493
2007-01-04

APPARATUS FOR PROVIDING AN ALIGNED COIL FOR AN INDUCTIVE HEAD STRUCTURE USING A PATTERNED SEED LAYER

#127
20060288564
2006-12-28

Method of manufacturing a thin-film magnetic head

#128
20060262455
2006-11-23

Apparatus and method for forming a magnetic head coil in a compact area using damascene technology

#129
20060215313
2006-09-28

Method for using CVD process to encapsulate coil in a magnetic write head

#130
20060158781
2006-07-20

Method of manufacturing a thin film magnetic head

#131
20060156537
2006-07-20

Method for protecting write head coil during write pole/shaping

#132
20060152849
2006-07-13

Magnetic head having a damascene-fabricated write coil structure with coil layers extending between the poles for reduced electrical resistance

#133
20060150397
2006-07-13

Magnetic read/write head

#134
20060126221
2006-06-15

Magnetic head having toroidal coil layer and manufacturing method thereof

#135
20060105205
2006-05-18

Method and system for magnetic recording using self-organized magnetic nanoparticles

#136
20060092563
2006-05-04

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

#137
20060073420
2006-04-06

Resist pattern thickening material, resist pattern and process for forming the same, and semiconductor device and process for manufacturing the same

#138
20060072385
2006-04-06

Thin-film coil, coil driving circuit and magnetic head

#139
20060065620
2006-03-30

Well use of space for low resistance coil design for write head

#140
20060039081
2006-02-23

Method and apparatus for an enhanced coplanar conductance structure for inductive heads

#141
20060034012
2006-02-16

Self-aligned coil process in magnetic recording heads

#142
20060028765
2006-02-09

Magnetic head having a heater circuit for thermally-assisted writing

#143
20060023351
2006-02-02

Bilayer coil insulation for magnetic write heads to minimize pole recession

#144
20060012916
2006-01-19

Method of manufacturing thin film magnetic head

#145
20060002020
2006-01-05

Recording head for reducing side track erasure

#146
20060000080
2006-01-05

Method for use in making a write coil of magnetic head

#147
20050286169
2005-12-29

Slider with underpass lead configured as a cooling plate

#148
20050241141
2005-11-03

Method of manufacturing thin-film magnetic head

#149
20050219749
2005-10-06

Magnetic head structure with insulating layer configured to reduce thermal deformation of floating surface towards disk

#150
20050213246
2005-09-29

Magnetic recording head with clad coil

#151
20050213244
2005-09-29

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

#152
20050207061
2005-09-22

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

#153
20050189319
2005-09-01

One step copper damascene CMP process and slurry

#154
20050185334
2005-08-25

Magnetoresistive/inductive write head assembly formed with seed layers having a uniform thickness

#155
20050152064
2005-07-14

Magnetic head coil system and damascene/reactive ion etching method for manufacturing the same

#156
20050125990
2005-06-16

Damascene method for forming write coils of magnetic heads

#157
20050122621
2005-06-09

High data rate writer with low resistance coil and short yoke

#158
20050111129
2005-05-26

Photoconductive optical write driver for magnetic recording

#159
20050111127
2005-05-26

Magnetic storage write heads using micro-electro mechanical shutters

#160
20050088781
2005-04-28

Thin-film magnetic head having auxiliary layer disposed under portions of two conductive layers of thin-film coil connected to each other

#161
20050088780
2005-04-28

Magnetic head with helical coil and plural outer conductor groups and method of manufacturing same

#162
20050078397
2005-04-14

Method and system for magnetic recording using self-organized magnetic nanoparticles

#163
20050073774
2005-04-07

Transducing head with reduced side writing

#164
20050073773
2005-04-07

Thin-film magnetic head and method of manufacturing same

#165
20050068675
2005-03-31

Thin film magnetic head and magnetic recording apparatus having a lowered coil resistance value, reduced generated heat, and high-frequency

#166
20050047015
2005-03-03

Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer

#167
20050047011
2005-03-03

Planarizing process

#168
20050045848
2005-03-03

Method for patterning a self-aligned coil using a damascene process

#169
20050034298
2005-02-17

Disk drive yield optimization by capacity

#170
20050031987
2005-02-10

Resist pattern thickening material, process for forming resist pattern, and process for manufacturing semiconductor device

#171
20050024957
2005-02-03

Magnetic hard disk recording head with self-compensating thermal expansion

#172
20050024764
2005-02-03

Magnetic head having a write coil structure with a reduced electrical resistance for reducing thermal protrusion

#173
20050018347
2005-01-27

Localized pole tip heating device for magnetic head for hard disk drive

#174
18771263
2025-07-22

Magnetic recording head writer having an auxiliary magnetomotive force coil

#175
17576587
2023-04-18

Magnetic storage writer with non-uniform coil thickness

#176
16828030
2022-03-29

Notched leading-edge shield for assisted magnetic recording head

#177
16748646
2020-11-10

Magnetic thin film recording head module having electrical shielding between read and write transducer arrays

#178
16691316
2020-12-22

Helical coils design and process for dual writer magnetic recording

#179
16655473
2020-12-22

Magnetic head including a return path section

#180
15986261
2019-07-23

Dual write heater for slider surface topography control in double perpendicular magnetic recording (PMR) writers

#181
15874986
2019-06-04

Magnetic core and coil design for double perpendicular magnetic recording (PMR) writers

#182
15871786
2019-02-05

Noise cancellation in multitransducer recording

#183
15797668
2018-11-20

Selective data writer coil

#184
15618315
2018-04-03

Recording head with first and second coils that induce flux into write pole and shield

#185
15445267
2017-10-31

Selective data writer coil

#186
15438258
2017-10-17

Magnetic head for perpendicular magnetic recording including a coil having an inclined surface

#187
15347111
2018-01-23

Adjusting track width to compensate for offset writing of a track

#188
15255090
2018-02-06

Noise cancellation in multitransducer recording

#189
15248693
2017-06-13

Adaptive field adjustment of transducer power levels

#190
15188808
2017-06-06

STO bias control for MAMR head reliability

#191
15181490
2017-05-30

Magnetic recording device and magnetic recording method

#192
15130357
2017-07-25

Data writer with shaped write coil

#193
15095750
2017-04-11

Magnetic head for perpendicular magnetic recording including a coil for individually driving a main pole and a yoke

#194
15047585
2017-01-03

Magnetic write head with novel hot seed design to mitigate adjacent track interference

#195
15019062
2018-04-03

Writer having a recessed trailing shield and nonmagnetic refill

#196
14954293
2017-10-24

Short yoke length writer having assist coils

#197
14939934
2018-07-31

Method for providing a magnetic recording write apparatus having a seamless pole

#198
14688450
2016-01-05

Magnetic head for perpendicular magnetic recording including a coil having an inclined front end face

#199
14567590
2016-05-10

Magnetic head for perpendicular magnetic recording including a main pole with a lower protrusion

#200
14475090
2015-12-22

Thermally-assisted magnetic recording head including a heat sink

#201
14471959
2015-07-14

Write head with coil structure aligned with yoke

#202
14471933
2015-10-13

Coil structure for write head

#203
14471892
2016-01-05

Write head having two yokes

#204
14335528
2015-12-22

Thermally-assisted magnetic recording head including a return path section

#205
14333310
2015-10-06

Unbalanced data writer coil

#206
14312635
2015-05-26

Magnetic writer having a partially shunted coil

#207
14107714
2015-05-12

Magnetic head for perpendicular magnetic recording including a main pole and a shield

#208
13934977
2014-08-19

Magnetic head for perpendicular magnetic recording having two coils

#209
13932332
2015-08-25

Methods for manufacturing hybrid coils for magnetic write heads used in storage systems