Method of fabricating orifice plates with reusable mandrel

Details Method of fabricating orifice plates with reusable mandrel Method of fabricating orifice plates with reusable mandrel

1989-12-18

1990-11-20

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

C25D 108

Patent

active

049716654

ABSTRACT:
A method of fabricating an orifice plate for ink jet printing includes the steps of: (i) providing a reusable mandrel having an electrically conductive bottom surface of an oxidizable metal such as aluminum and integral raised relief portions comprising an oxide of the metal (e.g. aluminum oxide) and (ii) electroforming metal onto said mandrel conductive surfaces to form an orifice plate.

REFERENCES:
patent: 2221502 (1940-11-01), Van de Pol
patent: 3582476 (1971-06-01), Knisley
patent: 4184925 (1980-01-01), Kenworthy
patent: 4246076 (1981-01-01), Gardner
patent: 4374707 (1983-02-01), Pollack

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