Continuous etching and etched material recovery system

Details Continuous etching and etched material recovery system Continuous etching and etched material recovery system

1976-01-09

1976-12-28

Bleutge, Robert L.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

134111, 156345, B08B 310, C23F 100

Patent

active

039995640

ABSTRACT:
A system and the required apparatus to provide a continuous recovery for the material being etched including the system and apparatus for recycling the etchant material for reuse in the etching device. The system includes a device for etching, an ammoniating system for the constant restoration of the etchant to a proper pH level for efficient alkaline etching and a controlled system for the systematic removal of the material which is etched and is in solution within the etchant, which controlled system includes the regeneration of the etchant material.

REFERENCES:
patent: 3266502 (1966-08-01), Copeland
patent: 3327721 (1967-06-01), Carlson
patent: 3427198 (1969-02-01), Hill
patent: 3526560 (1970-09-01), Thomas
patent: 3806393 (1974-04-01), Haas
patent: 3933544 (1976-01-01), Haas

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