Optical recording medium for use at short wavelengths and its re

Details Optical recording medium for use at short wavelengths and its re Optical recording medium for use at short wavelengths and its re

1998-10-30

2000-02-22

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692754, 369112, G11B 724

Patent

active

060288361

ABSTRACT:
An optical recording medium adapted for high density recording with a light of short wavelength which exhibits excellent jitter properties, and its recording method are provided. The optical recording medium recorded and/or reproduced with a light at a wavelength of 600 to 680 nm comprises a substrate having grooves formed on its surface at a track pitch of up to 0.8 .mu.m, and a recording layer containing an organic die disposed on the substrate. Depth A and width B of the groove (.mu.m) and leveling ratio C are in the relation:

REFERENCES:
patent: 5481530 (1996-01-01), Ueda et al.
patent: 5888680 (1999-03-01), Ohbayashi et al.

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