Microstructured membranes and methods for making same

Details Microstructured membranes and methods for making same Microstructured membranes and methods for making same

B - Operations, Transporting

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D

B01D 69/10 (2006.01) B01D 67/00 (2006.01) B01D 69/02 (2006.01) G03F 7/00 (2006.01) G03F 7/26 (2006.01)

Patent

CA 2124084

2124084 9311861 PCTABS00022 Microstructured membrane comprising a sheet having first and second faces with an array of pores extending into the sheet from the first face, and in some instances extending through the entirety of the sheet. Substantially each pore within the array is individually surrounded by a flat land area and the major portion of the walls of each pore are substantially parallel to the longitudinal axis of the pore. The pores have an average characteristic dimension of between about 0.1 and about 5000 microns and a pore size distribution of less than about 10 percent, the longitudinal axes of pores within the array being substantially parallel with each other. Also, articles incorporating such membranes and methods for making such membranes.

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