198238 ⎘
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 characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of inorganic materials containing transition metal elements (Zn, Fe, Co, Ni, Pt)
Oxide sputtering target and protective film for optical recording medium
#2Data storage assembly with diamond like carbon antireflective layer
#3RECORDING MEDIUM AND MANUFACTURING METHOD OF RECORDING MEDIUM
#4OPTICAL INFORMATION RECORDING MEDIUM
#5Optical recording medium