G - Physics – 11 – B
Patent
G - Physics
11
B
204/96.08, 352/3
G11B 7/26 (2006.01) C23C 14/14 (2006.01) C23C 14/35 (2006.01) G11B 7/24 (2006.01) G11B 7/254 (2006.01) G11B 11/105 (2006.01)
Patent
CA 2013867
ABSTRACT OF THE DISCLOSURE Disclosed is an optical recording medium comprising a substrate, a recording layer disposed on the substrate, and an protective film disposed on a light reflection side and/or light transmission side of the recording layer. The protective film includes at least Si, Cr and N. Also disclosed is a method for making an optical recording medium having a recording layer and a protective film on the substrate comprising the steps of preparing a cathode comprising of an alloy target of Si and at least an element selected from the group of metal element, semimetal element and semiconductive element having less specific electric-resistance than Si, and performing a DC magnetron-sputtering in an atmosphere including at least an inert gas and N2, gas to form a deposition of the protective film. -18-
Hashimoto Hidehiko
Tsuzukiyama Koji
Hashimoto Hidehiko
Kirby Eades Gale Baker
Mitsui Petrochemical Industries Ltd.
Tsuzukiyama Koji
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