The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 2018
Filed:
Oct. 02, 2013
Luxembourg Institute of Science and Technology (List), Esch/Alzette, LU;
Nicolas Boscher, Audun le Tiche, FR;
David Duday, Luxembourg, LU;
Patrick Choquet, Longeville les Metz, FR;
Stephane Verdier, Audun le Tiche, FR;
Luxembourg Institute of Science And Technology (LIST), Luxembourg, LU;
Abstract
The invention is directed to a method for manufacturing a hydrophobic or superhydrophobic surface comprising the steps of: (a) providing a substrate with a surface roughness Rbetween 0.1 and 1.0 μm and (b) exposing the substrate to a filamentary atmospheric pressure dielectric barrier discharge plasma which is fed by a reaction gas and siloxane-forming material in order to form a superhydrophobic siloxane layer over at least a portion of the surface of the substrate. Step (b) is operated with an electrical excitation frequency of 15,000 Hz to 35,000 Hz and a power density between 0.5 to 10 W·cm. The siloxane layer produced in step (b) shows thereby a micro-structure and a nano-structure with droplet 'sticking' properties (high water sliding angle).