An information recording apparatus includes a multilayer information recording medium having a first layer containing an electro-chromic material, an electrode layer applying a voltage to the first layer to color the first layer, a second layer containing an electro-chromic material, a unit for applying...http://www.google.fr/patents/US7349319?utm_source=gb-gplus-shareBrevet US7349319 - Information recording apparatus, recording media and recording method
Information recording apparatus, recording media and recording method
