Copper based alloys and optical media containing same

Details Copper based alloys and optical media containing same Copper based alloys and optical media containing same

C - Chemistry, Metallurgy

22

C

C22C 9/00 (2006.01)

Patent

CA 2575877

An optical data recording and storage medium including at least one reflective layer formed from a copper alloy that contains, in addition to copper, about 0.1 to about 3.0 wt. %, based on the total weight of alloy, of samarium (Sm) and may further include from about 0.1 to about 5.0 wt. % titanium (Ti).

L'invention concerne un support de stockage et d'enregistrement de données optiques comprenant au moins une couche réfléchissante constituée d'un alliage de cuivre contenant, en plus du cuivre, environ 0,1 % à 3,0 % en poids, en fonction du poids total de l'alliage, de samarium (Sm) et également environ 0,1 % à environ 5,0 % de titane (Ti).

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