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Us Patents
Structures Having Re-Entrant Geometries On A Porous Material Surface
- Bloomington MN, US Christopher P. Conklin - Columbia MD, US Davis B. Moravec - Burnsville MN, US Andrew J. Dallas - Lakeville MN, US Tianheng Zhao - Cambridge, GB Richard W. Janse van Rensburg - Great Cambourne, GB Peter Jackson - Royston, GB Blane Scott - Cambridge, GB
International Classification:
B01D 69/12 B01D 71/52 B01D 69/02
Abstract:
A filter material has a layer of porous material and a plurality of structures disposed on a surface of the layer, where each of the structures has a re-entrant geometry. The plurality of structures may be a plurality of ordered structures. A filter material may include a layer of porous material and a plurality of re-entrant structures disposed on a surface of the layer, each of the re-entrant structures including a stem and a cap, where the caps of adjacent structures are attached to each other to form a plurality of pores, where each pore is disposed between adjacent re-entrant structures.