Method for the electrolytic etching of metal workpiece

Details Method for the electrolytic etching of metal workpiece Method for the electrolytic etching of metal workpiece

1975-11-26

1977-08-30

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041296, C25F 314, C25F 300

Patent

active

040453120

ABSTRACT:
A method for the electrolytic etching of metal workpiece comprising placing a stencil made of an electric insulating material having a pattern consisting of open portions and non-opened portions into intimate contact with the metal workpiece, placing an electrode adjacent to said metal, jetting an electrolyte between said metal workpiece and the electrode while passing an electric current through the jet of electrolyte in a direction from said metal workpiece to said electrode to electrolytically etch said metal workpiece, and then separating said stencil from the electrolytically etched metal workpiece. Said stencil can then be placed into intimate contact with the next metal workpiece to be electrolytically etched, and electrolytically etching the metal workpiece in the same manner as above and then repeating this electrolytic etching procedure with said one stencil thereby etching many metal workpieces.

REFERENCES:
patent: 2532907 (1950-12-01), Hangosky
patent: 2620296 (1952-12-01), Wilsdon
patent: 2895814 (1959-07-01), Clark
patent: 3756937 (1973-09-01), Lucas et al.

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