Method for nanostructuring of the surface of a substrate
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United States of America Patent
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Feb 2, 2010
Grant Date -
Nov 13, 2008
app pub date -
Jul 3, 2007
filing date -
Jul 13, 2006
priority date (Note) -
Expired
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Abstract
Under consideration here is a method for the production of periodic nanostructuring on one of the surfaces of a substrate (10), presenting a periodic network of dislocations, embedded within a crystalline area (4) located in the neighborhood of an interface (5) between the crystalline material surfaces of two components (1, 2) assembled by bonding to form the substrate (10). It comprises the following steps: formation, in the dislocations (3), of implants (6) made of a material other than that of the crystalline area (4); irradiation of the substrate (10) with electromagnetic waves (11) in order to cause absorption of electromagnetic energy localized in the implants (6), this absorption leading to the appearance of the periodic nanostructuring (12) on the surface of the substrate (10).
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