Printhead structure and method of fabrication

Details Printhead structure and method of fabrication Printhead structure and method of fabrication

1988-03-02

1989-11-14

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

Stylus feature

219216, 400120, 346 76PH, G01D 1516, G01D 1510, H05B 100

Patent

active

048810878

ABSTRACT:
An electrostatic or thermal printhead and method of fabrication is provided in which dielectric material is disposed in a row of spaced depressions or in a single recess along the upper surface of an edge of a dielectric-coated conductive sheet. Electrodes are disposed along the edge of the sheet over the dielectric material and terminate at associated conductive pads or printhead circuitry on the sheet. In one embodiment, the edge is trimmed and left bare to form an inexpensive electrostatic printhead. In an alternative embodiment, resistive material is disposed over the edge to connect the electrodes to the conductive sheet to form an inexpensive thermal printhead.

REFERENCES:
patent: 4446355 (1984-05-01), Sato
patent: 4472875 (1984-09-01), Christian

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