Gas separation: apparatus – Electric field separation apparatus – Electrode cleaner – apparatus part flusher – discharger – or...
Patent
1974-06-17
1976-03-23
Kimlin, Edward C.
Gas separation: apparatus
Electric field separation apparatus
Electrode cleaner, apparatus part flusher, discharger, or...
96 351, 96 362, 156 8, 156 13, 204 32R, G03C 500, B29C 1708
Patent
active
039458261
ABSTRACT:
A method of chemical machining utilizing selective plating techniques to form a metal component from sheet metal sheets, in which each sheet is degreased, rinsed in deionized water, and thoroughly dried, then is coated with a positive photoresist. The photoresist is cured, and then the image of the component to be formed is photographically applied to either side of the sheet utilizing photomasks, the photographically exposed photoresist is removed from the sheet, and the sheet etched to provide the basic component configuration. Selective plating is effected by further photographically exposing the photoresist of the sheet that overlies the portions of the sheet to be plated, by utilizing photomasks delineating the areas to be plated, after which the freshly exposed photoresist is removed, the sheet baked to better condition the resist for plating, and then suitably electroplating the areas of the sheet metal thus exposed. After plating, the completed component is soaked in acetone to remove the resist.
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Friedman Howard
Levinson David W.
Millman Morris H.
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