Optical recording method

Details Optical recording method Optical recording method

1992-09-24

1994-03-08

LaRoche, Eugene R.

Dynamic information storage or retrieval

Systems having plural physically distinct independent tracks...

Having layered storage medium

369280, 369288, G11B 370

Patent

active

052935671

ABSTRACT:
In an optical recording method which utilizes hole burning, a plurality of sorts of light absorption centers having different properties are caused to coexist or to exist in the form of layers, thereby to remove the problem that, although the multiplicity of recording is high, the spacial recording density is low, so the overall recording density is low. Accordingly, the present invention can provide an optical recording method of very high recording density.

REFERENCES:
patent: 4412231 (1983-10-01), Namba et al.
patent: 4609611 (1986-09-01), Sigyo et al.
Angewante Chemie Feb. 23, 1984 Joseph Friedrich and Dietrich Haarer.

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