Chemical etching of aluminum capacitor foil

Details Chemical etching of aluminum capacitor foil Chemical etching of aluminum capacitor foil

C - Chemistry, Metallurgy

23

F

149/16

C23F 1/00 (2006.01) C23F 1/20 (2006.01) H01G 9/04 (2006.01)

Patent

CA 1168965

CHEMICAL ETCHING OF ALUMINUM CAPACITOR FOIL Abstract of the Disclosure Aluminum capacitor foil is chemically etched to produce a fine etch structure by passing the foil through an etch bath at 90 to 105°C containing sodium chloride and at least an equal amount of sulfuric acid, prefer- ably 11 to about 22 wt%.

431485

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