Optical recording device having several ablative recording...

Details Optical recording device having several ablative recording... Optical recording device having several ablative recording...

G - Physics

11

B

352/32.4

G11B 7/24 (2006.01) G11B 7/243 (2006.01)

Patent

CA 1155547

6.6.1979 1 PHN 9407 ABSTRACT: "Optical recording device having several ablative recor- ding layers." The invention relates to an optical recording de- vice having a substrat/plate which is provided on at least one side with a first ablative recording layer and a se- cond ablative recording layer provided hereon, the second ablative recording layer having a higher surface energy than the second ablative recording layer. Both recording layers preferably comprise the same common metal, for ex- ample tellurium.

348769

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