Optical information recording medium and manufacturing method thereof
An optical information recording medium which performs high-density recording and reduces leakage of a signal to adjacent tracks (crosstalk). The optical information recording medium is provided with a first board having a pregroove; a base layer, a dye recording layer and a reflection layer formed...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An optical information recording medium which performs high-density recording and reduces leakage of a signal to adjacent tracks (crosstalk). The optical information recording medium is provided with a first board having a pregroove; a base layer, a dye recording layer and a reflection layer formed in this order on the first board; and a second board bonded on the reflection layer through a bonding layer or an adhesive layer. The optical information recording medium has a pregroove track pitch of 0.1-0.6[mu]m and a groove depth of 20-200nm. |
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