B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/00 (2006.01) B05D 1/20 (2006.01) B05D 5/02 (2006.01)
Patent
CA 2291825
A method and an apparatus are described to prepare monolayers of particles (or molecules) (3), realizing the steps of: injecting a liquid film (2) with particles (3) dispersed on the external surface of a rotary member (1); adjusting the surface charge density of the particles (3) by injecting adsorption reagents (10), carrying particles (3) placed on film (2) surface so that they form a substantially uniform monolayer (5); putting the monolayer (5) on the liquid film surface (2) in contact with a substrate (7); and advancing the rotary member (1) longitudinally with respect to the substrate (7), in both directions, so that the monolayer (5) is detached from the liquid film (2) and attached to the substrate (7).
L'invention concerne un procédé et un système de préparation de couches simples de particules (ou de molécules) (3), qui consistent à injecter un film liquide (2) contenant des particules (3) dispersées sur la surface d'un élément rotatif (1); à régler la densité de charge superficielle des particules (3) par injection de réactifs d'adsorption (10); à étaler les particules (3) placées sur la surface du film (2) de sorte qu'elles forment une couche simple (5) sensiblement uniforme; à placer la couche simple (5) sur la surface du film liquide (2) au contact d'un substrat (7); et à faire avancer l'élément rotatif (1) sur un axe longitudinal relativement au substrat (7) et dans les deux sens, de sorte que la couche simple (5) se détache du film liquide (2) et se fixe au substrat (7).
Borden Ladner Gervais Llp
Nano World Project Colloid & Coating Llc
Nano World Projects Corporation
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