被覆した白金線対極を用いる溶液フロー型微小液滴セルによる線状多孔質型アルミニウム陽極酸化皮膜の形成

抄録

It is possible to form highly ordered porous type anodic oxide film by anodizing in acid solutions including oxalic acid, phosphoric acid, and sulfuric acid, and both pore size and thickness are controlled by the anodizing condition. Therefore, porous type anodic oxide films are widely used and studied. However, generally research on area-selected anodizing has been carried out with mask-processes. The solution flow type micro-droplet cell (Sf-MDC) has been applied to form thick porous type aluminum anodic oxide films locally. By coating a side wall Pt wire electrode, it is possible to reduce the width of the formed anodic oxide line without changes in the film formation reaction. Up to ten repeated passes, there is no change in the oxide film growth rate; the widths of the oxide lines were observed by a coated Sf-MDC electrode.