Making memory structure for laser recording system

Details Making memory structure for laser recording system Making memory structure for laser recording system

1978-06-19

1979-11-20

Kaplan, Morris

Coating processes

Centrifugal force utilized

3461351, 427407R, 427409, 428217, 428409, 428425, B05D 138, B05D 500

Patent

active

041751450

ABSTRACT:
In laser recording systems, data is written in a thermoplastic medium and a smooth surface of the medium is critical for high quality operation of the system. This smooth recording surface is provided by spin coating the supporting substrate, which may be an unpolished metal, with an intermediate layer of thermosetting material which is nonconformal in nature. The thermoplastic medium which is conformal in nature is then spin coated onto the smooth surface provided by the intermediate layer to form a microscopically smooth conformal layer.

REFERENCES:
patent: 2833680 (1958-05-01), Kneeling
patent: 3343145 (1967-09-01), Bertelsen
patent: 3499783 (1970-03-01), Nelson et al.

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