Optical recording medium
An optical recording medium comprising (a) a dimensionally stable planar substrate having laminated to a surface thereof (b) an active layer comprising (1) a lower polymeric expansion layer laminated directly to the surface of the substrate and bonded to the expansion layer, (2) a retention layer, c...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | An optical recording medium comprising (a) a dimensionally stable planar substrate having laminated to a surface thereof (b) an active layer comprising (1) a lower polymeric expansion layer laminated directly to the surface of the substrate and bonded to the expansion layer, (2) a retention layer, characterized in that the expansion layer contains dissolved therein a light-absorbing amount of a dye salt. |
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