PRODUCTION METHOD OF ANODIZATION ALUMINA MEMBRANE

PROBLEM TO BE SOLVED: To obtain an anodization alumina membrane having micropores which are regularly arrayed over a wide area. SOLUTION: A template 15 provided with a particulate layer 13' arrayed with silica particulates 13 having approximately equal grain sizes in a close-packed state, the s...

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Bibliographic Details
Main Author MUKAI ATSUSHI
Format Patent
LanguageEnglish
Published 21.10.2004
Edition7
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Summary:PROBLEM TO BE SOLVED: To obtain an anodization alumina membrane having micropores which are regularly arrayed over a wide area. SOLUTION: A template 15 provided with a particulate layer 13' arrayed with silica particulates 13 having approximately equal grain sizes in a close-packed state, the silica particulates 13 of the template 15 and an aluminum substrate 16 are pressed onto a glass substrate 14 by a hydraulic press or the like. Next, a plurality of dents 17 closely packed and arrayed in correspondence to the array of silica particulate layer 13' are formed on the surface 16a of the aluminum substrate 16. Next, the aluminum substrate 16 and a cathode are arranged in an electrolyte kept at a constant temperature and the aluminum substrate 16 is anodically oxidized by impressing a voltage between the aluminum substrate 16 and the cathode. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20030087889