Method and device for dry fluxing of metallic surfaces before so

Details Method and device for dry fluxing of metallic surfaces before so Method and device for dry fluxing of metallic surfaces before so

1998-04-07

2000-07-18

Ryan, Patrick

Metal fusion bonding

Process

With protecting of work or filler or applying flux

228203, 228207, 228223, 228260, 2281791, 228205, B23K 100

Patent

active

060894458

ABSTRACT:
The invention relates to a method for drying fluxing of a metallic surface before soldering or tinning using an alloy, according to which the surface to be fluxed is treated, at a pressure close to atmospheric pressure, with a gaseous treatment atmosphere comprising excited or unstable species and being substantially free of electrically charged species, which is obtained from a primary gas mixture and, optionally, an adjacent gas mixture, the primary gas mixture being obtained at the gas outlet of at least one apparatus for forming excited or unstable gas species, in which an initial gas mixture comprising an inert gas and/or a reducing gas and/or an oxidizing gas has been converted, the adjacent gas mixture not having passed through the apparatus.

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