Manufacturing data-storage media using light-curable material

Details Manufacturing data-storage media using light-curable material Manufacturing data-storage media using light-curable material

2005-10-11

2009-11-24

Angebranndt, Martin J (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

C430S394000, C430S320000, C430S945000

Reexamination Certificate

active

07622245

ABSTRACT:
Instances of data-storage media having pits and lands, such as individual DVDs or CDs, are manufactured by selectively illuminating a light-curable material to form cured regions corresponding to the lands. The selective illumination of the light-curable material can be implemented using mask-based illumination or selective laser illumination or both. The mask used in mask-based illumination can have one or more extra opaque portions and/or one or more extra transparent portions corresponding to false pits and/or false lands, respectively, where selective laser illumination is used to convert one or more false pits/lands produced during mask-based illumination into true pits/lands for the competed medium.

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