METHOD FOR COLORING ALUMINUM ANODIC OXIDE FILM

PURPOSE:To obtain various color tones which have not been attained by previously DC-anodizing an anodic oxide film at a specified voltage. CONSTITUTION:An aluminum anodic oxide film is formed by anodization. The film is electrolytically colored in an electrolytic bath contg. plural kinds of metals h...

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Bibliographische Detailangaben
Hauptverfasser: HAGINO SEIJI, FUJITA TETSUJI
Format: Patent
Sprache:eng
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