Method for the production of an optical disk matrix

Details Method for the production of an optical disk matrix Method for the production of an optical disk matrix

G - Physics

11

B

G11B 7/26 (2006.01)

Patent

CA 2451260

The invention relates to a method for the production of an optical disk matrix characterized in that it comprises a stage in which a precursor is produced, a stage in which said precursor is prepared by superposing at least one layer of a first material (2) and a second material (3), which is different from the first material, on the substrate in areas which are disposed on guide lines, and depositing a reactive resin on the surface thus prepared. The inventive method also comprises a revealing stage wherein the areas of the second material are engraved, and the remaining deposit of resin and the first material outside the areas where it is covered by the second material is removed.

La présente invention concerne un procédé de fabrication d'une matrice de disques optiques caractérisé en ce qu'elle comporte une étape de fabrication d'un précurseur, une étape de préparation dudit précurseur constituant à superposer sur le substrat au moins une couche d'un premier matériau (2), et un second matériau (3), différent du premier matériau (2), sur les zones situées à l'emplacement des traces de guidage, et à déposer sur la surface ainsi préparée une résine réactive, le procédé comporte une étape de révélation consistant à procéder à la gravure de zones de second matériau à supprimer ensuite le dépôt subsistant de résine et le premier matériau hors des zones ou il est couvert par le second matériau.

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