| http://www.w3.org/ns/prov#value | - The magnetic powder contained in the magnetic layer is not restricted and may be an oxide such as iron oxide, chromium oxide or Co-coated iron oxide; a metal or an alloy such as Fe, Co, Fe-Co, Fe-Co-Ni or Co-Ni, or an alloy between these metals or alloys and Al, Cr, Si or the like.
|
