Surface treating process involving energy beam irradiation onto

Details Surface treating process involving energy beam irradiation onto Surface treating process involving energy beam irradiation onto

1994-06-29

1997-02-11

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912185, 21912184, 21912183, 437174, 427554, B23K 2600, B23K 2612

Patent

active

056017375

ABSTRACT:
A surface treating process with respect to conductor parts on printed circuit board irradiates an energy beam onto the surface of the conductor parts each in a plurality of layers of different, single metal material, with the intensity, dosage and the like optimumly set and under such irradiating conditions that the respective metal material of the conductor parts do not form any mutual alloy, and the surface of the conductor parts on the printed circuit board can be thereby excellently treated as desired.

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