Process and apparatus for fabricating precise microstructures and polymeric molds for making same
Assignee10x Technology LLC
InventorRobert M. Pricone
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Abstract
There is disclosed a method and apparatus for producing a polymeric film that accurately replicates a complex mold surface at least a portion of which surface has microstructured or nano-structured dimensions. A polymeric powder is electrodeposited on an underlying mold surface. Then the powder is cured to create a polymeric film. Finally the film is removed from the mold surface.
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An article comprising a polymeric film having a portion which is a surface area of a complex array of microstructure of optically precise dimensions and wherein said article is formed by curing a powder which has been electrodeposited against a mold surface defining the shape of at least a portion of the article.
Apparatus for continuously producing a web of film having a complex microstructured or nanostructured pattern in at least a portion thereof, comprising:
- (a) a mold having the microstructured or nanostructured pattern in a surface thereon;
- (b) means for electrodepositing a polymeric powder onto said surface;
- (c) means for effecting a cure of said powder to form a film having the desired microstructured or nanostructured pattern thereon;
- and
- (d) means for facilitating removal of said film from said mold.
Dependencies are inferred from the claim text.