Laminated discs

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 > Laminated discs

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 7/24021 provided with a special shape or structure for centering or eccentricity prevention, e.g. alignment
• G11B 7/24024 Adhesion or bonding, e.g. specific adhesive layers
• G11B 7/24027 Layers; Shape, structure or physical properties thereof