ClassID:

198125

G11B7/1387 - page 2 - CPC Classification

Classification description:

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Heads, e.g. forming of the optical beam spot or modulation of the optical beam; Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect

Recent Application in this class:
#301
20050152233
2005-07-14

Devices for optical near-files second surface recording

#302
20050146800
2005-07-07

Optical pickup device with shielding to limit incident or emitted light

#303
20050123245
2005-06-09

Optical probe and optical pick-up apparatus

#304
20050111312
2005-05-26

Optical pickup apparatus capable of compensating thickness deviation of optical recording media

#305
20050105453
2005-05-19

Recording apparatus

#306
20050094540
2005-05-05

Catadioptric objective system and objective system

#307
20050083827
2005-04-21

Optical head and optical head device

#308
20050083826
2005-04-21

Optical fiber probe using an electrical potential difference and an optical recorder using the same

#309
20050083791
2005-04-21

Optical head device, and optical recording/reproducing device

#310
20050079313
2005-04-14

High density readable only optical disc and method of preparing the same

#311
20050078565
2005-04-14

Near-field optical transducers for thermal assisted magnetic and optical data storage

#312
20050078411
2005-04-14

Head for recording and reading optical data and method of manufacturing the same

#313
20050063445
2005-03-24

Near-field light source device, and optical head, optical device, exposure apparatus and microscope device having such a near-field light source device

#314
20050030883
2005-02-10

Near-field hybrid magnetic-optical head system

#315
20050013536
2005-01-20

High density optical data storage

#316
20050008296
2005-01-13

Optical near-field generating element and optical apparatus including the same

#317
20050007894
2005-01-13

Optical recording medium, memory apparatus, and recording/reproduction method

#318
20050007654
2005-01-13

Light condensing method and light condenser as well as near-field optical microscope and storage device formed by applying the same

#319
18818961
2026-04-21

NFT back reflection monitor for heat-assisted magnetic recording head

#320
18611190
2025-07-29

Heat-assisted magnetic recording head with a solid immersion mirror

#321
17875859
2023-11-21

Heat-assisted recording head having mirror liner that reduces evanescent coupling with near field transducer

#322
17406352
2022-06-28

Recording head with focusing structure

#323
17181804
2022-05-17

Plasmonic transducer head for writing data to and reading data from an optical recording medium ultilizing a fluorescent dye

#324
16800049
2020-12-22

Near-field transducer with Au nano rod

#325
16724569
2020-09-08

System and method using on-ramp heating to detect laser mode hopping in heat assisted recording

#326
16591999
2020-09-08

Heat-assisted magnetic recording head with near-field transducer having first and second surface-plasmonic plates

#327
16528174
2020-08-04

Curved-edge optical mode converter for heat-assisted magnetic recording

#328
16135251
2019-08-20

Curved-edge optical mode converter for heat-assisted magnetic recording

#329
16022273
2019-11-05

Magnetic write head with a tapered return pole

#330
15901991
2018-11-06

Heat-assisted magnetic recording head having peg coupler and plasmonic pad

#331
15707277
2018-11-20

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

#332
15638810
2018-08-28

Splitter waveguide used to perform active alignment of light source on slider

#333
15337308
2018-05-22

Transparent thermocouple for heat-assisted magnetic recording device

#334
15205511
2017-10-17

Heat-assisted magnetic recording device including a TE to TM mode converter

#335
15073774
2017-05-16

Heat-assisted magnetic recording device capable of detecting head malfunction based on different currents of sensors

#336
14995754
2017-05-23

Polynomial spiral waveguide that facilitates coupling light to a near-field transducer at an oblique angle

#337
14952049
2017-02-14

Heat assisted magnetic recording (HAMR) utilization analysis and reporting system

#338
14723802
2016-07-12

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

#339
14716517
2016-02-02

Waveguide cladding layer with transparent heat sink for heat-assisted magnetic recording device

#340
14706686
2015-12-01

Split-ring resonator (SRR) NFT design for use in HAMR

#341
13797268
2016-05-10

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

#342
13045394
2014-09-16

Method and system for providing an energy assisted magnetic recording writer having a self aligned heat sink and NFT