| 摘要 |
PROBLEM TO BE SOLVED: To make the thickness of a dielectric layer uniform, in forming the dielectric layers on the surfaces for all of a plurality of anodic bodies 2 by mounting the bodies 2 on a lateral bar 1 via anodic bars 3 extending from the top surfaces of the bodies 2, dipping the respective bodies 2 mounted on the bar 1 into a formation liquid B, and applying a DC current to the bar 1 and a cathode electrode C disposed below the bodies 2, to perform anodization processing. SOLUTION: The bar 1 is made to undergo reciprocative movement during the anodizing processing.
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