Drop centering device

Details Drop centering device Drop centering device

G - Physics

02

B

G02B 3/14 (2006.01) B01L 3/00 (2006.01) G02B 26/02 (2006.01)

Patent

CA 2368553

A method for centering a drop of liquid (2) on a given point on a surface (4). The inventive method consists in forming a bell-mouthed recess (6), whereby said recess has a curvature at any point at the limit of contact between the drop and the recess that is lower than or opposite to the curvature of a circle (TC) that is tangent to the surface of the recess to said point and at a symmetrical point (CP2) of said surface.

Procédé de centrage d'une goutte de liquide (2) à un emplacement donné d'une surface (4), qui consiste à former à cet emplacement un évidement évasé (6) tel que, en tout point (CP1) de la limite de contact entre la goutte et l'évidement, celui-ci à une courbure inférieure ou opposée à celle d'un cercle (TC) tangent à la surface de l'évidement audit point et en un point symétrique (CP2) de cette surface.

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