Method of fabricating a printhead

Details Method of fabricating a printhead Method of fabricating a printhead

1988-11-28

1989-10-24

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

29611, 29846, 346139R, H01R 4300

Patent

active

048752819

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 alternate embodiment, resistive material is disposed over the edge to connect the electrodes to the conductive sheet to form an inexpensive thermal printhead.

REFERENCES:
patent: Re32897 (1989-03-01), Salmon et al.
patent: 3120806 (1964-02-01), Supernowicz
patent: 3578946 (1971-05-01), Colello
patent: 4141103 (1980-12-01), Ohkubo et al.
patent: 4206541 (1980-06-01), Marciniec
patent: 4259676 (1981-03-01), Salmon et al.
patent: 4298786 (1981-11-01), Marciniec
patent: 4371273 (1983-02-01), Kendall et al.
patent: 4382328 (1983-05-01), Janszen
patent: 4695853 (1987-09-01), Hackleman et al.
patent: 4750260 (1988-06-01), Takeno et al.
patent: 4809428 (1989-03-01), Aden et al.

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