Method and apparatus for reflow soldering metallic surfaces

Details Method and apparatus for reflow soldering metallic surfaces Method and apparatus for reflow soldering metallic surfaces

1997-11-10

2000-02-08

Ryan, Patrick

Metal fusion bonding

Process

With pretreating other than heating or cooling of work part...

228218, 228207, 228223, 228245, 228253, 228205, B23K 3100

Patent

active

060219408

ABSTRACT:
The invention relates to a method for dry cleaning or dry fluxing metallic surfaces before, during, or after a reflow soldering operation. The metallic surfaces that are dry cleaned or dry fluxed include (1) the metallic substrate on which an at least partially metallic, electronic component is to be mounted, (2) the solder paste, and (3) the metallic portions of the electronic component. The method comprises treating the metallic surface with a gaseous treatment atmosphere comprising unstable or excited gaseous species, and is substantially free of electrically charged species.

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