Electrochemical marking apparatus

Details Electrochemical marking apparatus Electrochemical marking apparatus

1980-12-29

1983-10-04

Tarcza, Thomas H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

101DIG13, G01D 1506

Patent

active

044082150

ABSTRACT:
Apparatus for selectively marking the surface of a grounded conductive part using a known electrochemical marking process. The apparatus includes a writing head having a plurality of aligned digital modules mounted therein. Each module is made up of a series of electrodes that can be independently fired to create different electrical patterns. A dielectric stencil is placed between the part and the marking head that has grid lines cut therein which overlie each of the modules and serve to shape the electrical current passing through the stencil. By selectively firing the electrodes, different alpha-numeric characters can be recorded upon the receiving surface of the part without changing the stencil.

REFERENCES:
patent: 2971810 (1961-02-01), Ressler
patent: 3010883 (1961-11-01), Johnson et al.

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