Patent ID: 7226540
Filing Date: 2007-06-05
Classification: B01D,B33Y

Abstract:
1. A filter module, comprising: a first film comprising a plurality of first flow ports; a second film comprising a plurality of second flow ports, wherein said second film is spaced from said first film; a plurality of filter walls that are disposed in spaced relation on said second film, that extend from said second film toward said first film, and that are of an annular extent in a plan view of a surface of said second film from which said plurality of filter walls extend, wherein a gap between each said filter wall and said first film defines a filter trap that is thereby also of an annular extent; a first annular seal extending between said first and second films; a filtering region bounded by said first annular seal, wherein all of said filter walls, said filter traps, said first flow ports, and said second flow ports are located in said filtering region; and a plurality of supports extending between said first and second films in said filtering region.