Metal ion feeding system for electrolytic plating apparatus and metal ion feeding method to electrolytic plating apparatus
AssigneeEbara Corporation
InventorNaoto TAKAHASHI
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AssigneeEbara Corporation
InventorNaoto TAKAHASHI
Estimating the term…
An object is to provide a metal ion feeding system in which dilution of a plating solution in a plating solution circulation chamber is suppressed. A metal ion feeding system for an electrolytic plating apparatus, the metal ion feeding system including an anode chamber, an anode disposed in the anode chamber, a cathode chamber, a cathode disposed in the cathode chamber, a plating solution circulation chamber placed between the anode chamber and the cathode chamber, a first diaphragm placed between the anode chamber and the plating solution circulation chamber, and a second diaphragm placed between the cathode chamber and the plating solution circulation chamber, wherein the plating solution circulation chamber includes an outlet for bleeding a plating solution to an electrolytic plating apparatus, and an inlet for receiving the plating solution from the electrolytic plating apparatus so that the plating solution is circulatable, a rate of diffusion osmosis of water in the second diaphragm is higher than a rate of diffusion osmosis of water in the first diaphragm, an anolyte containing an ion of the same metal as the metal included in the anode is packed in the anode chamber, a catholyte is packed in the cathode chamber, and the catholyte has a higher osmol concentration than an osmol concentration in the plating solution in the plating solution circulation chamber.
A metal ion feeding system for an electrolytic plating apparatus, the metal ion feeding system comprising
A metal ion feeding method to an electrolytic plating apparatus, the method comprising
A metal ion feeding system for an electrolytic plating apparatus, the metal ion feeding system comprising
Dependencies are inferred from the claim text.