Recorders – Record receivers and/or driving means therefor – Laminated – impregnated – or coated bases
Patent
1988-02-08
1990-05-22
Reynolds, Bruce A.
Recorders
Record receivers and/or driving means therefor
Laminated, impregnated, or coated bases
427299, 427304, 427402, 427404, 428333, 428612, 428913, 430495, 430502, 430508, 430945, G01D 1534, B05D 300, B32B 1504, G03C 100
Patent
active
049281321
ABSTRACT:
A data storage medium is provided which is suitable for production or replication by moulding, casting, embossing or a similar process against a tool. The data storage medium comprises an optically sensitive layer at or adjacent to one surface of the medium, said one surface of the medium comprising a plurality of topographical features or structures disposed in a regularly repeating pattern, said pattern being free from undercutting so that the medium can be produced and/or replicated by molding, casting, embossing or similar process against a tool. The optically sensitive layer is preferably overcoated with a thin film of a metallic material which conforms to the topography of said surface.
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Gardner Keith
Helfet Peter R.
Humberstone Victor C.
Longman Robert J.
Pettigrew Robert M.
Plasmon Data Systems
Preston Gerald E.
Reynolds Bruce A.
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