of layers other than recording layers

Full Title

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 > Record carriers characterised by the selection of the material > of layers other than recording layers

Classification Context

Section:

PHYSICS

Class:

INFORMATION STORAGE

Subclass:

INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Child Classifications

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• G11B 7/253 of substrates
• G11B 7/254 of protective topcoat layers
• G11B 7/256 of layers improving adhesion between layers
• G11B 7/257 of layers having properties involved in recording or reproduction, e.g. optical interference layers, sensitising layers or dielectric layers which are protecting the recording layers
• G11B 7/258 of reflective layers