on a base layer

Full Title

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Record carriers characterised by the selection of the material > comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent > on a base layer

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 5/702 characterised by the bonding agent
• G11B 5/706 characterised by the composition of the magnetic material
• G11B 5/708 characterised by the addition of non-magnetic particles to the magnetic layer
• G11B 5/71 characterised by the lubricant
• G11B 5/712 characterised by the surface treatment or coating of magnetic particles
• G11B 5/714 characterised by the dimension of the magnetic particles
• G11B 5/716 characterised by two or more magnetic layers