Method of manufacturing an electrostatic ink jet printing head w

Details Method of manufacturing an electrostatic ink jet printing head w Method of manufacturing an electrostatic ink jet printing head w

1997-11-14

2000-06-20

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 206

Patent

active

060769181

ABSTRACT:
The ink ejecting parts of an electrostatic ink jet printing head are formed in conical pointed needle shapes protruding from an orifice plate and an orifice is provided individually for each ink ejecting point. An undercut phenomenon in an etching operation on an isotropic material is used, and the ink ejecting parts are formed in the conical and pointed needle shape protruding from the orifice plate.

REFERENCES:
patent: 5141459 (1992-08-01), Zimmerman
patent: 5285055 (1993-02-01), Temple et al.

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