ClassID:

197971

G11B5/8404 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers

Recent Application in this class:
#1
20260024550
2026-01-22

GLASS SHEET FOR FABRICATING MAGNETIC RECORDING MEDIA AND METHOD OF FABRICATING MAGNETIC RECORDING MEDIA

#2
20250391437
2025-12-25

DISK-SHAPED GLASS SUBSTRATE MANUFACTURING METHOD, GLASS SUBSTRATE MANUFACTURING METHOD, MAGNETIC-DISK GLASS SUBSTRATE MANUFACTURING METHOD, AND GLASS SUBSTRATE

#3
20250364010
2025-11-27

METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM

#4
20250263325
2025-08-21

GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, GLASS DISK FOR MAGNETIC RECORDING MEDIUM, METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM, AND METHOD FOR MANUFACTURING GLASS DISK

#5
20250218460
2025-07-03

MAGNETIC DISK AND SUBSTRATE FOR MAGNETIC DISK

#6
20250201272
2025-06-19

MAGNETIC DISK-USE GLASS SUBSTRATE MANUFACTURING METHOD, DISCOIDAL GLASS SUBSTRATE, GLASS SUBSTRATE, AND MAGNETIC DISK-USE GLASS SUBSTRATE

#7
20250069625
2025-02-27

CHAMFER FORMATION ON DATA STORAGE DISC SUBSTRATES

#8
20240371404
2024-11-07

SUBSTRATE FOR MAGNETIC DISK, MANUFACTURING METHOD THEREOF, AND MAGNETIC DISK

#9
20240109807
2024-04-04

ANNULAR GLASS PLATE, METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, GLASS SUBSTRATE FOR MAGNETIC DISK, AND MAGNETIC DISK

#10
20240101473
2024-03-28

METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURING MAGNETIC DISK, AND APPARATUS FOR PROCESSING GLASS PLATE

#11
20240101463
2024-03-28

GLASS SHEET FOR FABRICATING MAGNETIC RECORDING MEDIA AND METHOD OF FABRICATING MAGNETIC RECORDING MEDIA

#12
20240082979
2024-03-14

Method for manufacturing substrate and method for manufacturing substrate for magnetic disk

#13
20230335161
2023-10-19

Aluminum alloy disc blank for magnetic disc and magnetic disc

#14
20230287244
2023-09-14

Polishing liquid and method for manufacturing glass substrate

#15
20230186948
2023-06-15

Dummy substrate and manufacturing method thereof

#16
20230110894
2023-04-13

MAGNETIC RECORDING DISK WITH HIGH INTERNAL STRESS TO REDUCE DISK DEFLECTIONS FROM SHOCK FORCES AND METHODS FOR USE WITH THE DISK

#17
20230104944
2023-04-06

Tuned edge profile of a disk substrate for use in magnetic recording media

#18
20230099090
2023-03-30

Magnetic recording media with tungsten pre-seed layer

#19
20230015283
2023-01-19

Spacer and laminate

#20
20220298053
2022-09-22

METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING MAGNETIC-DISK GLASS SUBSTRATE, AND METHOD FOR MANUFACTURING MAGNETIC DISK

#21
20220274870
2022-09-01

Method for manufacturing annular glass plate, method for manufacturing glass substrate for magnetic disk, and method for manufacturing magnetic disk

#22
20220227654
2022-07-21

METHOD FOR MANUFACTURING GLASS PLATE AND METHOD FOR MANUFACTURING MAGNETIC DISK

#23
20220119680
2022-04-21

Polishing liquid, method for manufacturing glass substrate, and method for manufacturing magnetic disk

#24
20220101877
2022-03-31

Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate

#25
20220068305
2022-03-03

Base member, spindle motor, and hard disk drive device

#26
20220068304
2022-03-03

DUMMY SUBSTRATE AND MANUFACTURING METHOD THEREOF

#27
20210375313
2021-12-02

Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device

#28
20210358520
2021-11-18

Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing the same

#29
20210348030
2021-11-11

Polishing liquid

#30
20210264944
2021-08-26

Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk

#31
20210246543
2021-08-12

Sputtering target, granular film and perpendicular magnetic recording medium

#32
20210201946
2021-07-01

Aluminium alloy substrate for magnetic disk, method for fabricating the same, and magnetic disk composed of aluminium alloy substrate for magnetic disk

#33
20210198524
2021-07-01

POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE

#34
20210151078
2021-05-20

Fabrication methods for magnetic recording tape having resilient substrate

#35
20210151076
2021-05-20

Magnetic media design with multiple non-magnetic exchange control layers and graded magnetic sublayers

#36
20210090774
2021-03-25

METHODS OF FORMING MAGNETIC MATERIALS AND ARTICLES FORMED THEREBY

#37
20210082466
2021-03-18

Magnetic recording tape fabrication method having peek substrate

#38
20210082465
2021-03-18

Aluminum alloy substrate for magnetic disk, disk drive device, method for manufacturing aluminum alloy substrate for magnetic disk, and method for measuring aluminum alloy substrate for magnetic disk

#39
20210062044
2021-03-04

Method for producing aluminum platter

#40
20210050034
2021-02-18

Magnetic disk substrate, method for manufacturing same and magnetic disk

#41
20210005220
2021-01-07

Spacer, laminate of substrates, method for manufacturing substrate, and method for manufacturing substrate for magnetic disk

#42
20200286516
2020-09-10

Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate

#43
20200279582
2020-09-03

Magnetic recording medium, manufacturing method of ϵ-type iron oxide particles, and manufacturing method of magnetic recording medium

#44
20200208015
2020-07-02

Polishing liquid, method for manufacturing glass substrate, and method for manufacturing magnetic disk

#45
20200032104
2020-01-30

Method for polishing glass substrate, method for manufacturing glass substrate, method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, polishing liquid, and method for reducing cerium oxide

#46
20190390304
2019-12-26

Aluminum alloy magnetic disk substrate and method for producing same

#47
20190355901
2019-11-21

Method of cleaning a substrate processing apparatus and the substrate processing apparatus performing the method

#48
20190325907
2019-10-24

Magnetic tape drive with a burnishing unit

#49
20190311736
2019-10-10

Protective layer for mitigating protruding defects in magnetic tape recording media

#50
20190304495
2019-10-03

Protective layer for mitigating protruding defects in magnetic tape recording media

#51
20190304494
2019-10-03

Protective layer for mitigating protruding defects in magnetic tape recording media

#52
20190284668
2019-09-19

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC AND METHOD OF MANUFACTURE THEREFOR

#53
20190251993
2019-08-15

Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device

#54
20190228799
2019-07-25

Aluminum alloy substrate for magnetic recording medium and method for manufacturing the same, substrate for magnetic recording medium, magnetic recording medium, and hard disc drive

#55
20190228798
2019-07-25

Aluminum alloy substrate for magnetic recording medium and method for manufacturing the same, substrate for magnetic recording medium, magnetic recording medium, and hard disc drive

#56
20190228797
2019-07-25

Aluminum alloy substrate for magnetic recording medium and method for manufacturing the same, substrate for magnetic recording medium, magnetic recording medium, and hard disc drive

#57
20190172486
2019-06-06

Underlayer for perpendicularly magnetized film, perpendicularly magnetized film structure, perpendicular MTJ element, and perpendicular magnetic recording medium using the same

#58
20190153262
2019-05-23

COMPOSITION AND METHOD FOR POLISHING MEMORY HARD DISKS EXHIBITING REDUCED SURFACE SCRATCHING

#59
20190122697
2019-04-25

METHOD OF PRODUCING ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC RECORDING MEDIUM

#60
20190122696
2019-04-25

Perpendicular recording media with carbon grain isolation initiation layer

#61
20190103131
2019-04-04

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

#62
20190103130
2019-04-04

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

#63
20190027182
2019-01-24

Manufacturing method of magnetic recording medium

#64
20190011734
2019-01-10

Substrate processing method

#65
20180371293
2018-12-27

POLISHING COMPOSITION FOR MAGNETIC DISK SUBSTRATE

#66
20180350399
2018-12-06

HEAT ASSISTED MAGNETIC RECORDING MEDIA WITH CO-BASED ALLOY

#67
20180301622
2018-10-18

Method of cleaning and method of plasma processing

#68
20180298234
2018-10-18

Chemical-mechanical processing slurry and methods

#69
20180294007
2018-10-11

Sidewall guided directed self assembly data storage medium

#70
20180273803
2018-09-27

Polishing composition for magnetic disk substrate

#71
20180218752
2018-08-02

HEAT ASSISTED RECORDING MEDIA INCLUDING MUTLI-LAYER GRANULAR HEATSINK

#72
20180215953
2018-08-02

Polishing composition and method for polishing magnetic disk substrate

#73
20180190316
2018-07-05

Aluminum alloy substrate for magnetic discs and manufacturing method therefor, as well as magnetic disc using said aluminum alloy substrate for magnetic discs

#74
20180182424
2018-06-28

Base for magnetic recording medium, and HDD

#75
20180174606
2018-06-21

Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate

#76
20180163159
2018-06-14

Cleaning agent composition for glass hard disk substrate

#77
20180122416
2018-05-03

Magnetic recording medium and method for producing the same

#78
20180057712
2018-03-01

Polishing composition for magnetic disc substrate

#79
20180040346
2018-02-08

Method for producing magnetic recording medium

#80
20180040341
2018-02-08

MAGNETIC DEVICES WITH VARIABLE OVERCOATS

#81
20180005659
2018-01-04

Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate

#82
20170372738
2017-12-28

Magnetic tape having characterized magnetic layer and hexagonal ferrite powder

#83
20170365279
2017-12-21

Magnetic recording medium and magnetic memory device including magnetic layers having granular structure of magnetic grains and grain boundary portion

#84
20170321086
2017-11-09

Polishing composition for magnetic disc substrate

#85
20170301368
2017-10-19

MANUFACTURING METHOD FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM MANUFACTURED BY SAID MANUFACTURING METHOD

#86
20170263278
2017-09-14

Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate

#87
20170221517
2017-08-03

Magnetic tape having characterized backcoat layer and method of manufacturing the same

#88
20170221516
2017-08-03

Magnetic tape having characterized backcoat layer and method of manufacturing the same

#89
20170169849
2017-06-15

Substrate for magnetic disk and magnetic disk

#90
20170169848
2017-06-15

Substrate for magnetic disk and magnetic disk

#91
20170169847
2017-06-15

Substrate for magnetic disk and magnetic disk

#92
20170140784
2017-05-18

Underlayer for perpendicularly magnetized film, perpendicularly magnetized film structure, perpendicular MTJ element, and perpendicular magnetic recording medium using the same

#93
20170125050
2017-05-04

Method for manufacturing perpendicular magnetic recording medium

#94
20170117010
2017-04-27

Magnetic recording medium and magnetic recording and reproduction device

#95
20170062206
2017-03-02

Self-organization material and pattern formation method

#96
20170032812
2017-02-02

Magnetic tape and method of manufacturing the same

#97
20170018286
2017-01-19

Recording medium for heat assisted magnetic recording and method of forming the same

#98
20170015868
2017-01-19

Polishing composition and method for polishing magnetic disk substrate

#99
20170015867
2017-01-19

Polishing composition and method for polishing magnetic disk substrate

#100
20160351224
2016-12-01

Aluminum alloy plate for magnetic disc substrate, method for manufacturing same, and method for manufacturing magnetic disc

#101
20160341982
2016-11-24

Processing machine of display apparatus and processing method of glass substrate

#102
20160314810
2016-10-27

Writer pole formation

#103
20160293199
2016-10-06

METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM

#104
20160247530
2016-08-25

Magnetic tape and method of manufacturing the same

#105
20160225395
2016-08-04

Magnetic medium having multilayered servo layer and method of forming the same

#106
20160217818
2016-07-28

Method for manufacturing glass substrate and method for manufacturing magnetic disk

#107
20160189740
2016-06-30

Magnetic tape and method of manufacturing the same

#108
20160189739
2016-06-30

Magnetic tape and method of manufacturing the same

#109
20160163344
2016-06-09

Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk

#110
20160140994
2016-05-19

DIRECTED SELF-ASSEMBLY OF NANOPARTICLES WITH POLYMERIC AND/OR OLIGOMERIC LIGANDS

#111
20160118073
2016-04-28

Method for manufacturing glass substrate, method for manufacturing magnetic disk, and polishing liquid composition for glass substrate

#112
20160099019
2016-04-07

Writer pole formation

#113
20160093323
2016-03-31

Magnetic tape and method of manufacturing the same

#114
20160078891
2016-03-17

Glass substrate for information recording medium and method for manufacturing the same

#115
20160064023
2016-03-03

Magnetic recording medium, method for manufacturing magnetic recording medium, and magnetic recording/reproduction apparatus

#116
20160047596
2016-02-18

Method and apparatus for cryogenic dynamic cooling

#117
20150332722
2015-11-19

Glass substrate for magnetic disk and magnetic disk

#118
20150332720
2015-11-19

Slider for magnetic recording system

#119
20150294680
2015-10-15

Method of fabricating a BPM template using hierarchical BCP density patterns

#120
20150266233
2015-09-24

Apparatuses and methods utilizing etch stop layers

#121
20150262605
2015-09-17

Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof

#122
20150255103
2015-09-10

Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate

#123
20150248909
2015-09-03

STRUCTURE WITH SEED LAYER FOR CONTROLLING GRAIN GROWTH AND CRYSTALLOGRAPHIC ORIENTATION

#124
20150228298
2015-08-13

Method for forming silicon oxide and metal nanopattern's, and magnetic recording medium for information storage using the same

#125
20150206547
2015-07-23

PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS

#126
20150199981
2015-07-16

Tape head modules for performing azimuth recording and reading of tape media using a linear format

#127
20150197669
2015-07-16

Composition and method for polishing memory hard disks

#128
20150162042
2015-06-11

PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME

#129
20150158139
2015-06-11

MANUFACTURING METHOD OF GLASS SUBSTRATE FOR MAGNETIC DISK, MAGNETIC DISK, AND MAGNETIC DATA RECORDING/REPRODUCING DEVICE

#130
20150154996
2015-06-04

Perpendicular magnetic recording medium

#131
20150154995
2015-06-04

Apparatus including temperature-dependent exchange spring mechanism

#132
20150125598
2015-05-07

Method for producing hard disk substrate

#133
20150118522
2015-04-30

Method of fabricating a glass magnetic hard drive disk platter using filamentation by burst ultrafast laser pulses

#134
20150114929
2015-04-30

Polishing composition and method for nickel-phosphorous coated memory disks

#135
20150099143
2015-04-09

METHOD FOR PRODUCTION OF HARD DISK SUBSTRATE AND HARD DISK SUBSTRATE

#136
20150086923
2015-03-26

Substrate processing method

#137
20150072172
2015-03-12

MICROPATTERN FORMATION METHOD, RELEASE METHOD, MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD, MAGNETIC RECORDING MEDIUM, AND STAMPER MANUFACTURING METHOD

#138
20150069014
2015-03-12

PATTERN FORMATION METHOD, MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD, AND FINE PARTICLE DISPERSION

#139
20150069013
2015-03-12

Pattern formation method and magnetic recording medium manufacturing method

#140
20150036243
2015-02-05

Method for manufacturing magnetic recording medium, magnetic recording medium and magnetic recording and reproducing apparatus

#141
20150017481
2015-01-15

Patterned growth guiding mechanism

#142
20150016237
2015-01-15

Composite magnetic recording structure for heat assisted magnetic recording device

#143
20140377040
2014-12-25

Elevator linear motor drive

#144
20140366990
2014-12-18

Method for making an ordered magnetic alloy

#145
20140363701
2014-12-11

Spin torque MRAM having perpendicular magnetization with oxide interface

#146
20140363569
2014-12-11

Perpendicular magnetization with oxide interface

#147
20140357162
2014-12-04

Abrasive agent for substrates and substrate manufacturing method

#148
20140335376
2014-11-13

Electrically conductive underlayer to grow FePt granular media with (001) texture on glass substrates

#149
20140334276
2014-11-13

Glass for magnetic recording medium substrate and usage thereof

#150
20140322437
2014-10-30

NON-MAGNETIC PARTICLES FOR NON-MAGNETIC UNDERCOAT LAYER OF MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

#151
20140313617
2014-10-23

Method for making a tunneling magnetoresistive (TMR) sensor

#152
20140302346
2014-10-09

Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methods

#153
20140287269
2014-09-25

Glass substrate for a magnetic disk and magnetic disk

#154
20140248424
2014-09-04

Method for producing glass substrate for magnetic disk and method for manufacturing magnetic disk

#155
20140235743
2014-08-21

Flattening film forming composition for hard disk

#156
20140234667
2014-08-21

Glass substrate for information recording medium and method for manufacturing the same

#157
20140223964
2014-08-14

Glass substrate for magnetic disk and manufacturing method thereof

#158
20140204484
2014-07-24

Method of manufacturing magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus

#159
20140177405
2014-06-26

Magnetic devices with variable overcoats

#160
20140099517
2014-04-10

Recording medium for heat-assisted-magnetic-recording (HAMR) and method for manufacturing the same

#161
20140093701
2014-04-03

METHODS OF FORMING MAGNETIC MATERIALS AND ARTICLES FORMED THEREBY

#162
20140072828
2014-03-13

Perpendicular magnetic recording medium and method for manufacturing the same

#163
20140065446
2014-03-06

Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk

#164
20140060117
2014-03-06

Method for manufacturing glass substrate for magnetic disk

#165
20140050912
2014-02-20

GLASS SUBSTRATE FOR MAGNETIC DISK AND METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK

#166
20140033768
2014-02-06

Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk

#167
20140001155
2014-01-02

MANUFACTURING METHOD OF MAGNETIC DISK SUBSTRATE

#168
20130343166
2013-12-26

Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use

#169
20130319850
2013-12-05

NANOIMPRINT LITHOGRAPHY METHOD FOR MAKING A BIT-PATTERNED MEDIA MAGNETIC RECORDING DISK USING IMPRINT RESIST WITH ENLARGED FEATURE SIZE

#170
20130316194
2013-11-28

Manufacturing method of glass blank for magnetic disk, manufacturing method of glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk, and magnetic disk

#171
20130299451
2013-11-14

Method of producing a suspension board with circuit

#172
20130295299
2013-11-07

MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF

#173
20130288575
2013-10-31

Method for manufacturing glass substrate for magnetic recording medium

#174
20130287938
2013-10-31

METHOD OF MANUFACTURING MAGNETIC-DISK GLASS SUBSTRATE AND METHOD OF MANUFACTURING MAGNETIC DISK

#175
20130283704
2013-10-31

Method for producing polishing liquid composition

#176
20130260027
2013-10-03

METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, AND METHOD FOR MANUFACTURING MAGNETIC DISK

#177
20130230647
2013-09-05

Perpendicular magnetic recording medium and method of manufacturing the same

#178
20130209836
2013-08-15

Perpendicular magnetic recording medium and method of manufacturing same

#179
20130196178
2013-08-01

Method for production of hard disk substrate and hard disk substrate

#180
20130192304
2013-08-01

Manufacturing Method for Glass Substrate for Information Recording Medium

#181
20130189546
2013-07-25

Method for producing glass substrate for information storage medium, and information storage medium

#182
20130186139
2013-07-25

Process for producing surface-treated glass plate

#183
20130164108
2013-06-27

Substrate supporting apparatus and substrate transporting apparatus with coupling magnets

#184
20130136952
2013-05-30

Substrate for magnetic recording medium, magnetic recording medium, method of manufacturing magnetic recording medium, and method of inspecting surface

#185
20130126334
2013-05-23

METHOD FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISKS, AND METHOD FOR PRODUCING MAGNETIC DISK

#186
20130122786
2013-05-16

Rinsing agent, and method for production of hard disk substrate

#187
20130119015
2013-05-16

Manufacturing method of a glass substrate for a magnetic disk

#188
20130098396
2013-04-25

NOVEL 1,1,1,4,4,5,5,6,6,6-DECAFLUOROHEX-2-ENE ISOMER MIXTURES AND USES THEREOF

#189
20130084386
2013-04-04

Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk

#190
20130083425
2013-04-04

Manufacturing method of glass substrate for magnetic disk, magnetic disk, and magnetic recording / reproducing device

#191
20130071694
2013-03-21

Interlayers for magnetic recording media

#192
20130061636
2013-03-14

Method of manufacturing an ion-exchanged glass article

#193
20130042649
2013-02-21

Manufacturing method of a glass blank for magnetic disk and manufacturing method of a glass substrate for magnetic disk

#194
20130032571
2013-02-07

Method for manufacturing an aluminosilicate glass substrate for hard disks

#195
20130029099
2013-01-31

Method for producing glass substrate for information recording medium

#196
20130026132
2013-01-31

PLANARIZING FILM-FORMING COMPOSITION FOR HARD DISK AND HARD DISK PRODUCTION METHOD USING SAME

#197
20130025320
2013-01-31

Method of manufacturing a glass substrate for magnetic disk

#198
20130023185
2013-01-24

Method of producing glass substrate for information recording medium

#199
20130012104
2013-01-10

MANUFACTURING METHOD OF A GLASS SUBSTRATE FOR A MAGNETIC DISK

#200
20130011695
2013-01-10

Crystallized glass substrate for information recording medium and method of producing the same

#201
20130008463
2013-01-10

Manufacturing method of a glass substrate for a magnetic disk

#202
20120328907
2012-12-27

Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methods

#203
20120302482
2012-11-29

Alkaline detergent composition for use on hard surfaces

#204
20120300339
2012-11-29

Magnetic recording medium and method of manufacturing the same, and magnetic record/reproduction apparatus

#205
20120251842
2012-10-04

LOW ROUGHNESS HEATSINK DESIGN FOR HEAT ASSISTED MAGNETIC RECORDING MEDIA

#206
20120251760
2012-10-04

GLASS SUBSTRATE FOR MAGNETIC DISK AND METHOD FOR PRODUCING THE SAME

#207
20120251711
2012-10-04

Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk

#208
20120244388
2012-09-27

GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA, PROCESS FOR ITS PRODUCTION, AND MAGNETIC RECORDING MEDIUM

#209
20120231298
2012-09-13

Method of fabricating a perpendicular magnetic recording medium

#210
20120225610
2012-09-06

METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM GLASS SUBSTRATE

#211
20120219828
2012-08-30

Production method of base plate for disk drive, base plate for disk drive, and drive therewith

#212
20120213921
2012-08-23

Method for producing glass substrate for magnetic disk and method for producing magnetic disk

#213
20120207919
2012-08-16

Method of manufacturing a perpendicular magnetic disc

#214
20120196033
2012-08-02

Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk

#215
20120190606
2012-07-26

Manufacturing method of a glass substrate for a magnetic disk

#216
20120175243
2012-07-12

Method of producing a perpendicular magnetic recording medium

#217
20120171369
2012-07-05

Method for producing a perpendicular magnetic recording medium

#218
20120162817
2012-06-28

Reducing particles adhering to a hard disk

#219
20120156968
2012-06-21

Polishing liquid composition for magnetic disk substrate

#220
20120151967
2012-06-21

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Method for producing magnetic disk, and glass substrate for information recording medium

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Perpendicular magnetic recording media

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NANOIMPRINT LITHOGRAPHY METHOD FOR MAKING A PATTERNED MAGNETIC RECORDING DISK USING IMPRINT RESIST WITH ENLARGED FEATURE SIZE

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Glass substrate for magnetic disk and manufacturing method of the same

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2012-05-24

Carbon film forming method, magnetic-recording-medium manufacturing method, and carbon film forming apparatus

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2012-05-17

FLOW-THROUGH WASHING METHOD AND FLOW-THROUGH WASHING APPARATUS

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METHOD OF MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC STORAGE MEDIUM

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METHOD OF MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIA

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Method for manufacturing perpendicular magnetic recording medium

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Substrate processing apparatus and substrate processing method

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2012-03-15

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC DATA RECORDING MEDIA HAVING A PSEUDO ONSET LAYER

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2012-03-08

METHODS OF CLEANING HARD DRIVE DISK SUBSTRATES FOR NANOIMPRINT LITHOGRAPHY

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METHOD OF MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIA

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POLISHING AMORPHOUS/CRYSTALLINE GLASS

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Lifting and drying device and method of manufacturing magnetic recording medium substrate or magnetic recording medium using the same

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Electroless coated disks for high temperature applications and methods of making the same

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2012-02-02

Magnetic recording medium and manufacturing method thereof

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2012-01-26

Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method

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Method of manufacturing glass substrate for magnetic disk, method of manufacturing magnetic disk, and polishing apparatus of glass substrate for magnetic disk

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2012-01-12

Method of manufacturing perpendicular magnetic recording medium substrate and perpendicular magnetic recording medium substrate manufactured by the same

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2012-01-12

Method of manufacturing glass substrate

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COOLING APPARATUS AND HEATING APPARATUS

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Post polish disk cleaning process

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2011-12-22

Magnetic recording media

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Method of manufacturing a magnetic disk

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2011-11-24

Suspension board with circuit having an opening formed in the metal supporting board at a slider mounting region

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METHOD FOR MANUFACTURING GLASS BLANK, METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM SUBSTRATE AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM

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2011-11-17

MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC RECORDING GLASS SUBSTRATE, MANUFACTURING METHOD OF MAGNETIC RECORDING GLASS SUBSTRATE AND MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM

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GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, POLISHING COLLOIDAL SILICA SLURRY FOR MANUFACTURING THE SAME AND INFORMATION RECORDING MEDIUM

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Cleaning sponge roller

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Cleaning agent for electronic materials

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2011-10-06

Method of Forming Barium Ferrite Magnetic Storage Media

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Barium Ferrite Magnetic Storage Media with Uniform Magnetic Particle Distributions

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2011-10-06

Polishing liquid composition for magnetic-disk substrate

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Method of Manufacturing Lapping Plate, and Method of Manufacturing Magnetic Head Slider using the Lapping Plate

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Magnetic recording medium, manufacturing method thereof, and magnetic recording/reproducing device

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Biasing a pre-metalized non-conductive substrate

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Method of manufacturing a glass substrate for a magnetic disk

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2011-08-25

POLISHING LIQUID COMPOSITION FOR MAGNETIC DISK SUBSTRATE

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Method for producing glass substrate and method for producing magnetic recording medium

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METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

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Polishing composition and polishing method using the same

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Polishing liquid and polishing method

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Perpendicular magnetic recording medium

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Glass substrate for a magnetic disk and magnetic disk

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2011-07-07

Glass substrate for information recording medium and method for manufacturing the same

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Method of manufacturing a glass substrate for a magnetic disk, glass substrate for a magnetic disk, method of manufacturing a magnetic disk, and magnetic disk

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System for batch processing of magnetic media

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Glass substrate for magnetic disk and manufacturing method thereof

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Glass substrate for magnetic disk and manufacturing method thereof

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2011-06-30

DISK-SHAPED GLASS SUBSTRATE AND METHOD OF MANUFACTURING DISK-SHAPED GLASS SUBSTRATE

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POLISHING METHOD

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METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR DATA STORAGE MEDIUM AND GLASS SUBSTRATE

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Perpendicular magnetic recording medium, method for producing the same, and magnetic recording/reproducing device

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High sensitivity glide sensor using frictional heating

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Methods for substrate surface planarization during magnetic patterning by plasma immersion ion implantation

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Onset layer for perpendicular magnetic recording media

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Crystallized glass substrate for information recording medium and method of producing the same

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METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR DATA STORAGE MEDIUM AND GLASS SUBSTRATE

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INFORMATION RECORDING MEDIUM GLASS SUBSTRATE, INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND MANUFACTURING METHOD OF INFORMATION RECORDING MEDIUM GLASS SUBSTRATE

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MAGNETIC DISK GLASS SUBSTRATE

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CHAMBER FOR PROCESSING HARD DISK DRIVE SUBSTRATES

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MAGNETIC RECORDING MEDIUM GLASS SUBSTRATE AND METHOD OF MANUFACTURING THE SAME

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METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK

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Process for producing glass substrate for information recording medium

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Glass substrates and methods of annealing the same

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Sheet glass and method for manufacturing sheet glass

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Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof

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Magnetic-recording-disk test-head and method of manufacturing a magnetic-recording disk using the magnetic-recording-disk test-head

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Glass substrate manufacturing method, glass substrate polishing method, glass substrate polishing apparatus and glass substrate

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GLASS SUBSTRATE SPACER SEPARATING SYSTEM AND GLASS SUBSTRATE FABRICATING METHOD

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DIE FOR FORMING GLASS SUBSTRATE, METHOD OF MANUFACTURING GLASS SUBSTRATE, METHOD OF MANUFACTURING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, METHOD OF MANUFACTURING INFORMATION RECORDING MEDIUM, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, AND INFORMATION RECORDING MEDIUM

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METHOD OF MANUFACTURING SUBSTRATE FOR MAGNETIC RECORDING MEDIUM

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Multiplexing on the reverse link feedbacks for multiple forward link frequencies

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Chromium nitride film layer

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Sputtering target material for producing intermediate layer film of perpendicular magnetic recording medium and thin film produced by using the same

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Method of manufacturing substrate for information storage media

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Buffer layers for L10 thin film perpendicular media

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2011-01-13

Glass substrate for information recording medium and method for manufacturing the same, and magnetic recording medium