Method of recording information

Details Method of recording information Method of recording information

G - Physics

09

F

G09F 3/03 (2006.01) G09F 3/02 (2006.01)

Patent

CA 2323544

A method of recording information in a laminated structure (003) including an intermediate layer (007) which absorbs laser radiation so as to have areas thereof ablated. The laminated structure (003) further includes a contrast layer (011). The laser absorbing layer (010) is preferably a thin layer of Aluminium which is subjected to laser radiation having a wavelength of about 1.064 micrometers.

L'invention concerne un procédé d'enregistrement d'informations dans une structure (003) laminée comportant une couche intermédiaire (007) qui absorbe le rayonnement laser de façon à permettre une ablation de zones de celle-ci. La structure laminée (003) comporte en outre une couche (011) de contraste. La couche (010) d'absorption de laser est de préférence une couche mince d'aluminium qui est soumise à un rayonnement laser présentant une longueur d'onde d'environ 1,064 micromètres.

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