Optical data storage system and method with reduced heat buildup

Details Optical data storage system and method with reduced heat buildup Optical data storage system and method with reduced heat buildup

1992-11-09

1995-03-21

Epps, Georgia Y.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 59, 3692751, 360 40, 347247, 347262, G11B 700, G01D 900

Patent

active

054003130

ABSTRACT:
An optical data storage system records pulse width modulated data as a series of contiguous and overlapping circular marks. A minimum number of circular marks are used to record the desired run length. Circular marks which overlap by greater or equal to one half the diameter of the circular mark are recorded using two different laser power levels. The result is that thermal buildup in the medium is kept to a minimum and the edge transitions are accurately positioned.

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