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VERFAHREN ZUR STEUERUNG DER ORIENTIERUNG VON NANODOMÄNEN EINES BLOCKCOPOLYMERS
VERFAHREN ZUR STEUERUNG DER ORIENTIERUNG VON NANODOMÄNEN EINES BLOCKCOPOLYMERS
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摘要
The invention relates to a process for controlling the orientation of the nanodomains of a block copolymer (BCP), the lower interface of which is in contact with the surface, neutralized beforehand, of a substrate, the said block copolymer being capable of nanostructuring itself to give nanodomains with a predetermined period (L0), over a minimum thickness (t) at least equal to half of the said period (L0), the said process being characterized in that it consists in depositing the said block copolymer (BCP) on the said substrate, so that its total thickness (T+t) is at least two times greater and preferably at least three times greater than the said minimum thickness (t), and in then depositing, on the said block copolymer (BCP), an interface material which makes it possible to isolate it from the ambient atmosphere.
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