G11B7/2407 - CPC Classification Index

ClassID:

198165 ⎘

G11B7/2407 - 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; Record carriers characterised by shape, structure or physical properties, or by the selection of the material Tracks or pits; Shape, structure or physical properties thereof

Sub-classes:

G11B7/24073 » Tracks 23
G11B7/24085 » Pits 351
G11B7/24091 » Combinations of pits and tracks with specific interrelation 30

Recent Application in this class:

20160293200

2016-10-06

Optical disk recording method, optical disk apparatus, and optical disk medium

20150332723

2015-11-19

Magnetic recording medium and method for producing the same

20110222189

2011-09-15

Magnetic recording medium and method for producing the same