| 摘要 |
PROBLEM TO BE SOLVED: To provide a finger accessory such as an accessory nail and a ring in which its surface is not damaged even after repeated use of nail polish and nail-polish remover to achieve durability, which is of low cost, and which can be colored in favorite color using various nail polish to allow joy of sufficiently unique fashion. SOLUTION: For artificially generating thick and strong coating, anodic oxide coating treatment (alumite treatment) is conducted, and coloring treatment is then conducted. After the coloring treatment, aluminum hydroxide is formed on a surface layer part of pores to apply sealing treatment to close the pores. By this pore closing treatment, the surface becomes smooth, hardness is increased, and corrosion resistance and anti-contamination performance are improved. COPYRIGHT: (C)2003,JPO
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