Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Coating predominantly single metal or alloy substrate of...
Patent
1997-04-11
1999-06-15
Gorgos, Kathryn
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Coating predominantly single metal or alloy substrate of...
205145, 205273, C25D 700
Patent
active
059118652
ABSTRACT:
A method of electroplating particulates in a metallic ion containing electrolyte within an electroplating device having an anode and cathode plate by repeating the steps of stirring the particulates, allowing sedimentation of the particulates to occur by gravity until a sedimentation layer of loosely contacted particles is formed on the cathode plate of a suitable thickness and applying an electromotive potential across said anode and cathode plate to create an electric current in said electrolyte for electroplating metallic ions on the surface of the particulates in said sedimentation layer wherein the steps of stirring, sedimentation and electroplating are performed in sequence over repeated cycles which are maintained essentially independent of one another with the step of electroplating being interrupted during the steps of stirring and sedimentation and with the step of stirring immediately following the step of electroplating.
REFERENCES:
patent: 4908106 (1990-03-01), Takeshima et al.
Gorgos Kathryn
Lieberstein Eugene
Wong Edna
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