Single-stage electrochemical image-forming process for reproduct

Details Single-stage electrochemical image-forming process for reproduct Single-stage electrochemical image-forming process for reproduct

1985-05-06

1986-09-30

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 314

Patent

active

046145702

ABSTRACT:
In a novel process described for the image formation on reproduction layers which are optionally radiation-sensitive, an image is formed on a multi-layered material, which comprises at least one electrically conductive layer and a reproduction layer, by the action of electric current, applied via at least one electrode which can be stylus-shaped, in an aqueous electrolyte solution. Those portions of the layer which correspond to non-image areas are removed by the electrochemical treatment. An electrolyte solution is used, in particular, which has a pH in the range from 2.0 to 10.0 and which contains at least one salt in a concentration ranging from about 0.1 weight percent up to the saturation limit of the particular salt in the solution. The aqueous electrolyte solution may also contain a surfactant in a concentration range of about 0.1 weight percent to 5 weight percent.

REFERENCES:
patent: 4086853 (1978-05-01), Figov et al.

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