ClassID:

198141

G11B2007/240025 - 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 for storing optical interference patterns, e.g. holograms

Recent Application in this class: