Electrolytic deposition of metals on laser-conditioned surfaces

Details Electrolytic deposition of metals on laser-conditioned surfaces Electrolytic deposition of metals on laser-conditioned surfaces

1984-06-28

1985-05-28

Tufariello, Thomas

Chemistry: electrical and wave energy

Processes and products

204 376, 204DIG7, C25D 502

Patent

active

045198764

ABSTRACT:
An improved laser-based method of depositing a metal on an electrically insulated metallic substrate is disclosed. Selected areas of the insulated plate such as an anodized aluminum plate are irradiated with laser energy to fracture the anodized layer and expose underlying aluminum. The plate is immersed in a solution containing copper ions and negatively biased so that a thin layer of copper is electrolytically deposited in the selected areas to form copper features. The method is particularly suited to the rapid production of high quality, durable photographic printing plates with long shelf life.

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R. J. Prichard, "Computer to Plate: Raster Data Control for Lasers in Printing", Photonics Spectra, Jul. 1983, pp. 61-64.

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