Selective working method

Details Selective working method Selective working method

1987-01-06

1988-08-23

Newsome, John H.

Coating processes

Electrical product produced

Welding electrode

427282, B05D 306

Patent

active

047660090

ABSTRACT:
A selective working method in which the surface to be worked of a workpiece is locally irradiated with energy beams and an electroless plating solution or an electroless etching solution is contacted with the irradiated workpiece surface, with the electroless plating solution or the electroless etching solution flowing continuously in the substantially same direction of as the direction of an irradiation of energy beams. The electroless plating of the electroless etching can be conducted selectively by this method. Above selective working method is best suited for the formation or correction (repair, filling up etc.) of micro-patterns on the workpiece such as metals, semi-conductors, insulators, etc.

REFERENCES:
patent: 2956900 (1960-10-01), Carlson
patent: 3761305 (1973-09-01), Franz
patent: 4042006 (1977-08-01), Engl et al.
patent: 4239789 (1980-12-01), Blum
patent: 4259367 (1981-03-01), Dougherty
patent: 4349583 (1982-09-01), Kulynych
patent: 4511595 (1985-04-01), Inoue

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