| 摘要 |
REPLICATION OF CARRIERS BEARING DIGITALLY RECORDED INFORMATION The holographic manufacture of Compact Discs has three stages namely mastering, production of the sub-master holograms and replication. In the production stage, a holographic plate, spacer and master transparency are positioned against a prism, and then illuminated with split beams from a laser in order to record a hologram, at the plate, of the master transparency. The resultant hologram of the plate is then mass replicated on polycarbonate or photochromic discs to produce Compact Discs compatible to Component Disc conventional Compact Disc players. |
