A digital information recording media which includes a recording layer comprising a light-stable colored composition which composition is mutable or decolorizable upon exposure to a specific wavelength of ultraviolet radiation. The light-stable colored composition includes a colorant and an ultraviolet...http://www.google.fr/patents/US5858586?utm_source=gb-gplus-shareBrevet US5858586 - Digital information recording media and method of using same
Digital information recording media and method of using same
