Method for collection of valuable metal from ITO scrap

Details Method for collection of valuable metal from ITO scrap Method for collection of valuable metal from ITO scrap

2011-08-30

2011-08-30

Mayes, Melvin (Department: 1732)

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing alloy

C423S089000, C423S111000, C423S115000

Reexamination Certificate

active

08007652

ABSTRACT:
Proposed is a method for collecting valuable metal from an ITO scrap including the steps of subjecting the ITO scrap to electrolysis and collecting the result as indium-tin alloy. Additionally provided is a method for collecting valuable metal from an ITO scrap including the steps of providing an ITO electrolytic bath and an indium-tin alloy collecting bath, dissolving the ITO in the electrolytic bath, and thereafter collecting indium-tin alloy in the indium-tin alloy collecting bath. These methods enable the efficient collection of indium-tin alloy from an ITO scrap of an indium-tin oxide (ITO) sputtering target or an ITO scrap such as ITO mill ends arisen during the manufacture of such ITO sputtering target.

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