Process for manufacturing mold inserts

Details Process for manufacturing mold inserts Process for manufacturing mold inserts

1997-12-19

1999-08-31

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electroforming or composition therefor

Mold, mask, or masterform

C25D 110

Patent

active

059449748

ABSTRACT:
In a method of manufacturing mold inserts by galvanic metal deposition a substrate consisting of an electrically conductive material which cannot be structured lithographically is structured by mechanical precision machining to provide different levels on the substrate which is then covered by an electrically insulating material which can be structured lithographically and which is fine structured by depth lithography to form cavities therein which are then filled by galvanic deposition of a metal layer. The metal structure so formed is then separated from the substrate and the electrically non-conductive material to provide the mold insert with projections of different heights.

REFERENCES:
patent: 3929591 (1975-12-01), Chu et al.
patent: 5234571 (1993-08-01), Noeker
patent: 5501784 (1996-03-01), Lessmollmann et al.
patent: 5733708 (1998-03-01), Cantanzaro et al.

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