Chemistry: electrical and wave energy – Processes and products
Patent
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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Fronduto John
Lee Chung H.
Oettinger Peter E.
Messenger Herbert E.
Thermo Electron Corporation
Tufariello Thomas
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