Process for metallizing strips, sheets or the like

Details Process for metallizing strips, sheets or the like Process for metallizing strips, sheets or the like

1975-07-23

1978-02-28

Pianalto, Bernard D.

Coating processes

Electrical product produced

Welding electrode

427252, C23C 1102

Patent

active

040768597

ABSTRACT:
A process for metallizing strips, sheets or other generally flat material by depositing metal from an atmosphere containing a gaseous metallic compound is disclosed. According to the metallizing process, a focal line extending within or closely adjacent to the surface to be metallized is established by an optical system. Thermal energy is focused at this focal line by the optical system to create a line at which the temperature is above the decomposition temperature of the gaseous metallic compound. Since heating is substantially confined to the focal line, the method of the invention provides a significant advantage in that the material to be metallized is not raised to the decomposition temperature. Accordingly the present invention provides a metallizing process which does not require the use of evacuated enclosures and does not require a high temperature tolerance in the materials to be metallized.

REFERENCES:
patent: 2986115 (1961-05-01), Toulmin
patent: 3627590 (1971-12-01), Mammel

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