Optical disk and optical recording/reproducing device

Details Optical disk and optical recording/reproducing device Optical disk and optical recording/reproducing device

2011-07-05

2011-07-05

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

C428S064200

Reexamination Certificate

active

07974158

ABSTRACT:
A small-sized, large-capacity optical disk is provided which is superior in portability. The optical disk has a diameter less than 64 mm and a thickness less than 0.8 mm. Tracks are formed with a pitch less than 0.6 μm, and the record area is divided into a plurality of zones alone the radium. The optical disk can store more than 650 MB of compressed data.

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