Method for forming anodized layer, method for producing mold and method for producing antireflective film
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United States of America Patent
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Aug 18, 2015
Grant Date -
Dec 27, 2012
app pub date -
Mar 8, 2011
filing date -
Mar 9, 2010
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Abstract
An anodized layer formation method of an embodiment of the present invention includes the step a of providing an aluminum film which is formed on a first principal surface of a support and the step b of anodizing a surface of the aluminum film to form a porous alumina layer which has a plurality of minute recessed portions. In the step a, a second principal surface of the support which is opposite to the first principal surface is provided with a low heat conduction member that has a predetermined pattern. According to an embodiment of the present invention, a porous alumina layer can be formed which includes regions of different minute structures in the predetermined pattern.
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