Method of manufacturing a mother matrix

Details Method of manufacturing a mother matrix Method of manufacturing a mother matrix

1983-10-14

1984-10-02

Tufariello, Thomas

Chemistry: electrical and wave energy

Processes and products

204 38B, 204 38E, C25D 110, C25D 120

Patent

active

044746504

ABSTRACT:
A method of manufacturing a metal mother matrix in which a master disk, which is a supporting disk, carrying on one side a layer of a positive photoresist in which an information track is provided, is provided with a metal peel, first by electroless deposition and then by electrodeposition, the metal peel is separated from the master disk, the remainders of the photoresist present on the father matrix thus obtained are dissolved and a metal copy, which is a mother matrix, is manufactured by electrodeposition from the father matrix, characterized in that the photoresist is made electrically conductive by means of exposure to light.

REFERENCES:
patent: 4124672 (1978-11-01), Jarsen
patent: 4211617 (1980-07-01), Hunyar

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