ClassID:

198001

G11B7/00451 - 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; Recording, reproducing or erasing methods; Read, write or erase circuits therefor; Recording involving ablation of the recording layer

Recent Application in this class:
#1
20260148751
2026-05-28

Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material

#2
20240347075
2024-10-17

STORAGE MEDIUMS AND METHODS OF MAKING THE SAME

#3
20240055021
2024-02-15

Ultra-Thin Data Carrier and Method of Read-Out

#4
20190011836
2019-01-10

Photoexcitation method

#5
20150078147
2015-03-19

System and method for using stainless steel as a data archiving medium

#6
20140056117
2014-02-27

System and method for using stainless steel as a data archiving medium

#7
20120182851
2012-07-19

OPTICAL RECORDING MEDIUM AND RECORDING METHOD

#8
20120163146
2012-06-28

METHOD AND APPARATUS FOR WRITING DATA TO OPTICAL STORAGE MEDIUM

#9
20110262678
2011-10-27

OPTICAL INFORMATION RECORDING MEDIUM

#10
20110222381
2011-09-15

WRITE-ONCE TYPE MULTILAYER OPTICAL DISC, RECORDING METHOD, REPRODUCING METHOD, AND RECORDING DEVICE

#11
20100254237
2010-10-07

Short-pulse light source, laser light emitting method, optical device, optical disk device, and light pickup

#12
20100177614
2010-07-15

METHOD AND APPARATUS FOR WRITING DATA TO OPTICAL STORAGE MEDIUM

#13
20100135147
2010-06-03

High power optical disc drives

#14
20100085864
2010-04-08

Method for manufacturing read-only optical disc medium and read-only optical disc medium

#15
20100080110
2010-04-01

High Capacity Digital Data Storage By Transmission of Radiant Energy Through Arrays of Small Diameter Holes

#16
20100027393
2010-02-04

OPTICAL RECORDING MEDIUM, OPTICAL RECORDING APPARATUS, AND SYSTEM TO PREPARE CONTENTS-RECORDED OPTICAL RECORDING MEDIUM

#17
20090262633
2009-10-22

Optical disc apparatus and optical disc replay method

#18
20090245077
2009-10-01

Optical recording method and optical recording apparatus

#19
20090231978
2009-09-17

LONG-TERM DIGITAL DATA STORAGE

#20
20090154331
2009-06-18

Optical recording medium

#21
20090147664
2009-06-11

Optical disk read only memory

#22
20090080312
2009-03-26

READ-ONLY OPTICAL DISC MEDIUM AND METHOD OF MANUFACTURING SAME

#23
20080320205
2008-12-25

Long-term digital data storage

#24
20080267047
2008-10-30

Secure optical data card system

#25
20080186838
2008-08-07

Read-only optical disc medium and method of fabricating the same

#26
20070286980
2007-12-13

Write-once type multilayer optical disc, recording method, reproducing method, and recording device

#27
20070274177
2007-11-29

Read-only optical recording medium on which unique identification information is written

#28
20070140076
2007-06-21

Method and apparatus for writing optically readable data onto an optical data

#29
20070122747
2007-05-31

Optical information recording method and optical information recording medium

#30
20060182924
2006-08-17

Optical data recording medium provided with at least one photosensitive layer and one deformable layer

#31
20060164962
2006-07-27

High capacity digital data storage by transmission of radiant energy through arrays of small diameter holes

#32
20060164958
2006-07-27

High capacity digital data storage by transmission of radiant energy through arrays of small diameter holes

#33
20060120262
2006-06-08

Recording medium

#34
20050213468
2005-09-29

Method and device for optical recording and optical record carrier

#35
20050201243
2005-09-15

Apparatus for recording dye based recordable DVD media and process for recording the same