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公开(公告)号：US20220054986A1
公开(公告)日：2022-02-24
申请号：US17379882
申请日：2021-07-19
申请人： MicroContinuum, Inc.
摘要： Porous filters having uniform pore size and close packing density are described, along with methods and apparatus for making the porous filters based on nanopatterning. One method includes applying a polymeric liquid to a mold consisting of an array of posts having a desired pore size and distribution. Solidification of polymeric membrane followed by separation from the mold produces a polymer membrane with a predetermined spaced array of pores. A pre-filter film can also be bonded with the membrane during formation to provide increased mechanical support and filtration of larger particles on the input side of the filter. Other process variants are described, including methods for incorporating additional functionalities to the filter.
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2.发明公开公开(公告)号：US20240325987A1
公开(公告)日：2024-10-03
申请号：US18659294
申请日：2024-05-09
申请人： MicroContinuum, Inc.
CPC分类号： B01D69/02 , B01D63/082 , B01D67/0013 , B01D69/1214 , B01D69/1216 , B01D69/125 , B01D2325/0283 , B01D2325/08 , B01D2325/26 , B01D2325/30 , B01D2325/36 , B01D2325/38 , B01D2325/48
摘要： Porous filters having uniform pore size and close packing density are described, along with methods and apparatus for making the porous filters based on nanopatterning. One method includes applying a polymeric liquid to a mold consisting of an array of posts having a desired pore size and distribution. Solidification of polymeric membrane followed by separation from the mold produces a polymer membrane with a predetermined spaced array of pores. A pre-filter film can also be bonded with the membrane during formation to provide increased mechanical support and filtration of larger particles on the input side of the filter. Other process variants are described, including methods for incorporating additional functionalities to the filter.
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