High-recording-density optical disks

Teruo Tohma

doi:10.1117/12.144162

11 May 1993 High-recording-density optical disks

Teruo Tohma

Proceedings Volume 1979, 1992 International Conference on Lasers and Optoelectronics; (1993) https://doi.org/10.1117/12.144162
Event: 1992 International Conference on Lasers and Optoelectronics, 1992, Bejing, China

Abstract

A new master recorder with UV Ar laser ((lambda) equals 351.1) has been developed to study high density optical recording for a future optical video disc system, in combination with high resolution photoresist process. High CNR of 63 dB was demonstrated in 4-times density recording using a read-out optical system with He-Cd laser ((lambda) equals 441.6 nm).

Citation Download Citation

Teruo Tohma "High-recording-density optical disks", Proc. SPIE 1979, 1992 International Conference on Lasers and Optoelectronics, (11 May 1993); https://doi.org/10.1117/12.144162

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