Optical disk and optical disk fabrication method

Details Optical disk and optical disk fabrication method Optical disk and optical disk fabrication method

1998-05-12

2000-07-18

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, G11B 724

Patent

active

060917008

ABSTRACT:
An optical disk fabricating method, optical disk, and optical disk apparatus, which provides effective use of a disk's information recording surface and allows for high density recording. The invention implements land/groove recording, the width of lands and grooves being approximately equal and the track pitch being set to approximately 0.5 .mu.m. A disk fabricated according to the invention includes a light transmission layer having a thickness of approximately 100 .mu.m.

REFERENCES:
patent: 5383176 (1995-01-01), Inui et al.
patent: 5448552 (1995-09-01), Onagi
patent: 5508995 (1996-04-01), Moriya et al.
patent: 5537373 (1996-07-01), Horikiri
patent: 5754506 (1998-05-01), Nagasawa et al.
patent: 5754523 (1998-05-01), Deguchi et al.
patent: 5805565 (1998-09-01), Miyamoto et al.

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