Bump-forming media including thin intermediate reflective layer

Details Bump-forming media including thin intermediate reflective layer Bump-forming media including thin intermediate reflective layer

1988-04-19

1990-01-23

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Layered

3461351, 369100, 436945, G11B 724

Patent

active

048963143

ABSTRACT:
An optical data storage medium includes a triple layer recording structure having an expansion layer, a retention layer and a very thin reflective layer interposed between the retention and expansion layers. The three layers are strongly bonded together so that the thermally and mechanically active expansion and retention layers can mechanically act upon each other through the intermediate reflective layer. The expansion and retention layers are dyed to selectively pass or absorb light of preselected wavelengths. The thin reflective layer is adapted to partially pass and partially reflect light of preselected wavelengths.

REFERENCES:
patent: 4300227 (1981-11-01), Bell
patent: 4336545 (1982-06-01), Howe et al.
patent: 4398203 (1983-08-01), Cornet
patent: 4430659 (1984-02-01), Maffitt et al.
patent: 4578788 (1986-03-01), Ahn et al.
patent: 4584259 (1986-04-01), Mayer et al.
patent: 4651172 (1987-03-01), Watanabe
patent: 4719615 (1988-01-01), Feyrer et al.

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