Arc deposition of metal onto a substrate

Details Arc deposition of metal onto a substrate Arc deposition of metal onto a substrate

1984-05-21

1985-10-15

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

219 7614, 219 7615, 219121R, B05D 102

Patent

active

045473919

ABSTRACT:
Metal from strip feedstock 3 is arc-deposited onto a substrate 1, being propelled when molten by a gas curtain from a slit 13. The feedstock 3 is melted in regular fashion by an arc 11 struck between it and a helical non-consumable electrode 9 rotated on its axis, which is parallel to the leading edge of the feedstock 3. As the electrode 9 rotates, the arc 11 must move along the helix to keep its shortest path, and hence is constrained to traverse the full width of the feedstock 3 repetitiously.

REFERENCES:
patent: 4027135 (1977-05-01), Barger

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