G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/24 (2006.01) B41M 5/26 (2006.01) C09B 47/24 (2006.01) C09B 47/26 (2006.01) G11B 7/248 (2006.01)
Patent
CA 2375669
The invention relates to a write-once optical data storage means while using Cu-phthalocyanine sulfonamides as a dye, especially for CD-R, and to the application of the above-mentioned dyes onto a polymer substrate (especially polycarbonate) by means of spin coating.
L'invention concerne un support de données optiques enregistrable une seule fois, à l'aide d'amides d'acide sulfonique de Cu-phtalocyanine comme colorant, notamment pour CD-R. L'invention concerne en outre l'application des colorants mentionnés ci-dessus sur un substrat polymère (notamment du polycarbonate) par revêtement par centrifugation.
Berneth Horst
Bruder Friedrich-Karl
Haese Wilfried
Richter Rolf
Stawitz Josef-Walter
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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