摘要 |
<p>STABILIZATION OF ALUMINUM ELECTROLYTIC CAPACITOR FOIL Aluminum electrolytic capacitor foil is stabilized by passing the foil from an anodization step through a bath containing an aqueous borate solution at a temperature of at least 80.degree.C and a pH of 8.5 to 9.5. After stabilization, the foil is reanodized.</p> |