Disc-shaped, optically readable information carrier having...

Details Disc-shaped, optically readable information carrier having... Disc-shaped, optically readable information carrier having...

G - Physics

11

B

352/32.4

G11B 7/24 (2006.01) G11B 7/26 (2006.01) G11B 23/40 (2006.01)

Patent

CA 1196720

ABSTRACT OF THE DISCLOSURE An information carrier comprises a transparent carrier plate having a center hole and having an information- carrying side which exhibits the information in the form of a micro structure disposed in a concentric annular surface and which is covered with a reflective layer, being further covered with an outer protective layer. The outer protective is realized by an overprint of the primary color of sufficient thickness which, in turn, carries written and figurative information applied thereto either monochromatically or polychromatically.

407148

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