Method and apparatus for bonding using brazing material at appro

Details Method and apparatus for bonding using brazing material at appro Method and apparatus for bonding using brazing material at appro

1995-08-08

1998-11-03

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912141, 21912143, 228 35, B23K 1000

Patent

active

058312382

ABSTRACT:
A method and apparatus for bonding components with a brazing material is described in which atmospheric plasma with active species is created by gas discharge generated in a gas capable of discharge at or about atmospheric pressure, and a portion of a component is exposed to the atmospheric plasma, thereby surface treating it. Prior to, simultaneously with, or following the surface treatment, bonding is accomplished with a brazing material. Surface treating the portion of the component allows using solder and, for example, a low-corrosive or no-rinse flux, or no flux, in an efficient bonding process. Furthermore, unwanted organic substances, for example, left over flux, may be removed by exposing the component to surface treatment, for example, after bonding is completed, or, if the component has residual undesirable organic substances, for example, left over from its manufacture, surface treatment may be performed prior to bonding.

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