Nozzle plate geometry for ink jet pens and method of manufacture

Details Nozzle plate geometry for ink jet pens and method of manufacture Nozzle plate geometry for ink jet pens and method of manufacture

1987-11-17

1988-12-13

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

204 11, 239601, G01D 1518

Patent

active

047914360

ABSTRACT:
A nozzle plate suitable for use in an ink jet printer and method of manufacturing this plate, which includes forming a plurality of grooves or serrations in the interior orifice bore surfaces of the plate. These grooves or serrations may advantageously be electroformed replications of a sculptured photoresist mask used in the electroforming process, and they serve to maximize the interior surface area of the orifice bores. This feature in turn serves to maximize frequency response, wettability, fluid flow rate, damping factor and capillarity of the nozzle plate relative to these parameters of a smooth surface orifice bore.

REFERENCES:
patent: 4184925 (1980-01-01), Kenworthy
patent: 4694308 (1987-09-01), Chan

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