Method for producing a nanoporous substrate
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United States of America Patent
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Apr 24, 2012
Grant Date -
May 7, 2009
app pub date -
Nov 14, 2006
filing date -
Nov 14, 2005
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Expired
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Abstract
Nanoporous substrate with fine pores having a diameter from 3 to 40 nm arranged with less than 60 nm periodicity is prepared by a method comprising the steps of coating amphipathic block copolymer on a substrate, forming a film containing hydrophilic cylinders aligned perpendicularly to the surface of the film on a substrate, and immersing the substrate into a solution containing an etchant.
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