ClassID:

198368

G11B13/04 - CPC Classification

Classification description:

Recording simultaneously or selectively by methods covered by different main groups among , , and ; Record carriers therefor not otherwise provided for ; Reproducing therefrom not otherwise provided for magnetically and optically

Sub-classes:
Recent Application in this class:
#1
20220068300
2022-03-03

Actuators for an elevator drive

#2
20190096435
2019-03-28

Magnetic Recording Method

#3
20180351408
2018-12-06

Optical disk drive for wireless power transmission

#4
20160118075
2016-04-28

Laser subassembly metallization for heat assisted magnetic recording

#5
20150279430
2015-10-01

HAMR drive fault detection system

#6
20150201493
2015-07-16

Flex circuit having a multiple layered structure and interconnect

#7
20150154989
2015-06-04

Heat assisted magnetic recording heads having bilayer heat sinks

#8
20150146506
2015-05-28

Disk drive comprising laser transmission line optimized for heat assisted magnetic recording

#9
20150109893
2015-04-23

Tilted structures to reduce reflection in laser-assisted TAMR

#10
20150036468
2015-02-05

Method using epitaxial transfer to integrate HAMR photonic integrated circuit (PIC) into recording head wafer

#11
20150003220
2015-01-01

Submount layers configured to enhance absorption of light proximate a bonding feature

#12
20150003219
2015-01-01

Magnetic head, magnetic disk drive, and method of controlling magnetic head

#13
20150003218
2015-01-01

Trenched near-field transducer for heat assisted magnetic recording

#14
20140362674
2014-12-11

Magnetic head providing write protrusion suppression and methods of formation thereof

#15
20140355402
2014-12-04

Solid immersion mirror with fill material between inner and outer sidewalls

#16
20140355401
2014-12-04

Polarization rotator

#17
20140355399
2014-12-04

Heat assisted magnetic recording head having wider heat sink and pole

#18
20140334276
2014-11-13

Glass for magnetic recording medium substrate and usage thereof

#19
20140334274
2014-11-13

Magnetic recording laser diode control

#20
20140301173
2014-10-09

Differential laser diode driver apparatus and systems

#21
20140269238
2014-09-18

Heat assisted magnetic recording head having thermal sensor with high-TCR transparent conducting oxide

#22
20140269237
2014-09-18

Multilayer plasmon generator

#23
20140269236
2014-09-18

Systems and methods for monitoring the power of a light source utilized in energy-assisted magnetic recording

#24
20140269231
2014-09-18

Radially dependent thermal heat resist layer

#25
20140254337
2014-09-11

Generating surface plasmons using electrical current

#26
20140254336
2014-09-11

Near-field transducer with flare peg

#27
20140254334
2014-09-11

Encapsulated laser diode for heat-assisted magnetic recording

#28
20140254333
2014-09-11

Polarization converter including a jagged diagonal line in plane orthogonal to propagation direction of electromagnetic wave

#29
20140241138
2014-08-28

Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part

#30
20140241137
2014-08-28

Tilted structures to reduce reflection in laser-assisted TAMR

#31
20140233361
2014-08-21

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME

#32
20140219069
2014-08-07

Particulate magnetic recording medium and magnetic recording device

#33
20140211598
2014-07-31

Light coupling structure, method of forming a light coupling structure and a magnetic recording head

#34
20140192629
2014-07-10

COLOR REWRITABLE STORAGE

#35
20140177407
2014-06-26

Light delivery

#36
20140177406
2014-06-26

Magnetic head for thermally assisted magnetic recording

#37
20140153373
2014-06-05

Suspension board with circuit

#38
20140133283
2014-05-15

Plasmon resonator with dual waveguide excitation for TAMR

#39
20140057134
2014-02-27

MAGNETIC RECORDING MEDIUM FOR THERMALLY ASSISTED RECORDING

#40
20140036645
2014-02-06

Heat source management in data storage device

#41
20140036644
2014-02-06

Glass for magnetic recording medium substrate and usage thereof

#42
20140029398
2014-01-30

Suspension board with circuit having an opening extending therethrough in the thickness direction for light emitted from a light emitting device

#43
20140029396
2014-01-30

Heat assisted magnetic recording device with pre-heated write element

#44
20140022876
2014-01-23

Systems and methods for data write loopback based timing control

#45
20130322221
2013-12-05

Heat assisted magnetic recording head gimbal assembly and hard disk drive using same

#46
20130308431
2013-11-21

Optical source driver circuit with controllable termination

#47
20130294207
2013-11-07

Light source power control for heat assisted magnetic recording (HAMR)

#48
20130286804
2013-10-31

Heat assisted magnetic recording heads having bilayer heat sinks

#49
20130286803
2013-10-31

Trace-gimbal assembly with extension that prevents contact between solder joints

#50
20130286802
2013-10-31

Laser modulation for magnetic recording apparatus

#51
20130286801
2013-10-31

Flex circuit having a multiple layered structure and interconnect

#52
20130286800
2013-10-31

Flex circuit with dual sided interconnect structure

#53
20130279315
2013-10-24

Near field transducers including nitride materials

#54
20130279313
2013-10-24

Optical devices including assist layers

#55
20130279311
2013-10-24

Laser subassembly metallization for heat assisted magnetic recording

#56
20130279310
2013-10-24

ANTIREFLECTION COATING FOR SLIDER

#57
20130258823
2013-10-03

Light source chip and a thermally assisted head with the same, and manufacturing methods thereof

#58
20130235707
2013-09-12

HAMR NFT materials with improved thermal stability

#59
20130229895
2013-09-05

Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive

#60
20130176839
2013-07-11

Light delivery guide

#61
20130176838
2013-07-11

Patterned media for heat assisted recording

#62
20130176836
2013-07-11

Magnetic field generator

#63
20130136885
2013-05-30

Light source chip and a thermally assisted head with the same, and manufacturing methods thereof

#64
20130107680
2013-05-02

TAR temperature sensor having faster response time

#65
20130083637
2013-04-04

Light delivery guide

#66
20130070576
2013-03-21

Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer

#67
20120275278
2012-11-01

Systems and methods for data write loopback based timing control

#68
20120243390
2012-09-27

Heat source management in data storage device

#69
20120045662
2012-02-23

Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer

#70
20110294398
2011-12-01

Method for providing an electronic lapping guide corresponding to a near-field transducer of an energy assisted magnetic recording transducer

#71
20110286315
2011-11-24

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#72
20110205863
2011-08-25

HAMR NFT materials with improved thermal stability

#73
20110205861
2011-08-25

Light source power control for heat assisted magnetic recording (HAMR)

#74
20100110590
2010-05-06

Suspension board with circuit having a light emitting device exposed from a surface thereof opposite to that on which a slider is mounted

#75
20090168619
2009-07-02

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#76
20060131407
2006-06-22

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#77
20060002037
2006-01-05

Non-volatile optical memory element utilizing optically induced magnetization reversal and operational method thereof

#78
20050128887
2005-06-16

Apparatus and method for recording and reproducing ROM and RAM data into magneto-optical recording medium

#79
20050095391
2005-05-05

Recording medium, recording and reproducing method and recording and reproducing apparatus

#80
17672050
2023-02-21

Determining laser induced thermal protrusion and laser threshold in heat-assisted magnetic recording (HAMR) data storage

#81
16781618
2021-06-22

Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield

#82
16367224
2020-05-12

Thermally-assisted magnetic recording head having optimal reflecting position inside waveguide

#83
15435839
2018-05-22

Changing write coil current in response to reader instability

#84
14578054
2015-09-01

Data storage device calibrating fly height actuator based on laser power for heat assisted magnetic recording

#85
14514790
2015-10-06

Laser-integrated head gimbal assembly having laser contact protection

#86
14253491
2015-03-10

Data storage device calibrating fly height actuator based on laser power for heat assisted magnetic recording

#87
14216610
2015-08-04

High contrast alignment marker

#88
14096332
2015-11-03

Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording

#89
14052648
2015-08-04

Disk drive evaluating laser performance for heat assisted magnetic recording

#90
14051397
2015-06-30

Integrated heat-assisted magnetic recording head/laser assembly

#91
14028413
2015-09-01

HAMR channel to preamp interface

#92
13932370
2015-02-03

Systems and methods for providing capping layers for heat assisted magnetic recording media

#93
13932348
2014-10-21

Systems and methods for providing thermal barrier bilayers for heat assisted magnetic recording media

#94
13921676
2014-09-23

Variable bit aspect ratios in magnetic media

#95
13915005
2015-12-29

Magnetic layers having granular exchange tuning layer

#96
13870931
2015-01-06

Energy-assisted magnetic recording device having laser driving signal and magnetic write signal sharing same electrical conductor

#97
13797268
2016-05-10

Inverse tapered waveguide for use in a heat assisted magnetic recording head

#98
13794166
2014-11-18

Energy assisted magnetic recording disk drive using modulated laser light

#99
13763972
2015-01-06

Disk drive calibrating laser power for heat assisted magnetic recording based on quality metric and track width

#100
13746991
2015-02-24

Energy assisted magnetic recording transducer having an electronic lapping guide corresponding to a near-field transducer