High density optical disc player

Dynamic information storage or retrieval – Storage medium structure – Optical track structure

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3692753, G11B 724

Patent

active

060090723

ABSTRACT:
An optical disc player for reproducing an optical disc having a pit width of 0.2-0.35 .mu.m, a pit depth of 100-120 nm, and a track pitch of 0.7-0.85 .mu.m. The optical disc player includes a semiconductor laser having a wavelength of 590-670 .mu.m and a laser beam projector which projects the laser beam from the laser onto the optical disc with a spot of a predetermined diameter.

REFERENCES:
patent: 5040165 (1991-08-01), Taii et al.
patent: 5216646 (1993-06-01), Imanaka et al.
patent: 5353265 (1994-10-01), Maeda et al.
patent: 5383176 (1995-01-01), Inui et al.
patent: 5477527 (1995-12-01), Tsuchiya et al.
patent: 5517486 (1996-05-01), Haneda
patent: 5689495 (1997-11-01), Tsuchiya et al.
patent: 5838657 (1998-11-01), Tsuchiya et al.
patent: 5896367 (1999-04-01), Tsuchiya et al.

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