Method of manufacturing mold, and molded article having fine relief structure on surface and method of manufacturing the same

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United States of America Patent

PATENT NO 9908265
SERIAL NO

14419293

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Abstract

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The present invention relates to a method of manufacturing a mold having an oxide film with a plurality of pores formed on a surface of an aluminum substrate, the method including (a) a process of applying a voltage to a machined aluminum substrate and anodizing a surface of the aluminum substrate to form an oxide film; and (b) a process of removing at least a part of the oxide film formed in the process (a), wherein a voltage (Va[V]) immediately before the process (a) is terminated and a time (ta[sec]) required to reach the voltage (Va[V]) after starting the application of voltage satisfy the following Equation (i) in the process (a).

description='In-line Formulae' end='lead'0.010<Va/ta<14  (i)description='In-line Formulae' end='tail'

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Patent Owner(s)

  • KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY;MITSUBISHI CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirohata, Jitsuo Otake, JP 2 2
Ikawa, Masashi Otake, JP 9 25
Masuda, Hideki Tokyo, JP 76 508
Matsubara, Yuji Otake, JP 21 298
Okamoto, Eiko Otake, JP 24 132
Onomoto, Hiroshi Otake, JP 10 18

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