SG11201407448VA - Low resistance microfabricated filter - Google Patents

Low resistance microfabricated filter

Info

Publication number
SG11201407448VA
SG11201407448VA SG11201407448VA SG11201407448VA SG11201407448VA SG 11201407448V A SG11201407448V A SG 11201407448VA SG 11201407448V A SG11201407448V A SG 11201407448VA SG 11201407448V A SG11201407448V A SG 11201407448VA SG 11201407448V A SG11201407448V A SG 11201407448VA
Authority
SG
Singapore
Prior art keywords
international
devices
california
fluid
filtration devices
Prior art date
Application number
SG11201407448VA
Other languages
English (en)
Inventor
Rishi Kant
Shuvo Roy
Benjamin Chui
Kenneth G Goldman
Original Assignee
Univ California
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ California filed Critical Univ California
Publication of SG11201407448VA publication Critical patent/SG11201407448VA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/087—Single membrane modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0058—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/006—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/0213—Silicon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/1621—Constructional aspects thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/14—Batch-systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/22—Membrane contactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/021—Pore shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02831—Pore size less than 1 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02832—1-10 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02833—Pore size more than 10 and up to 100 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/08—Patterned membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/26—Electrical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Urology & Nephrology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Medicine (AREA)
  • Materials Engineering (AREA)
  • Vascular Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Micromachines (AREA)
  • External Artificial Organs (AREA)
  • Diaphragms And Bellows (AREA)
SG11201407448VA 2012-05-16 2013-05-16 Low resistance microfabricated filter SG11201407448VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261647939P 2012-05-16 2012-05-16
PCT/US2013/041428 WO2013173631A2 (en) 2012-05-16 2013-05-16 Low resistance microfabricated filter

Publications (1)

Publication Number Publication Date
SG11201407448VA true SG11201407448VA (en) 2015-01-29

Family

ID=49584458

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201407448VA SG11201407448VA (en) 2012-05-16 2013-05-16 Low resistance microfabricated filter

Country Status (7)

Country Link
US (3) US10265452B2 (ja)
EP (1) EP2849865A4 (ja)
JP (2) JP6381524B2 (ja)
AU (1) AU2013262731B2 (ja)
CA (1) CA2873638C (ja)
SG (1) SG11201407448VA (ja)
WO (1) WO2013173631A2 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9738511B2 (en) * 2013-09-13 2017-08-22 Invensense, Inc. Reduction of chipping damage to MEMS structure
WO2017075598A1 (en) * 2015-10-30 2017-05-04 Simpore Inc. Methods for creating fluidic cavities by transmembrane etching through porous membranes and structures made thereby and uses of such structures
JP6998883B2 (ja) 2016-03-07 2022-02-04 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア バイオ人工限外濾過装置及びそれに関連する方法
JP7045924B2 (ja) 2018-05-11 2022-04-01 東京応化工業株式会社 細胞捕捉用フィルター膜及びその使用
US20210229038A1 (en) 2018-05-18 2021-07-29 The Regents Of The University Of California In Vivo Blood Filtration Membranes and Devices
US11161066B2 (en) 2018-09-13 2021-11-02 International Business Machines Corporation Micro-machined filter for magnetic particles
JP2020044500A (ja) * 2018-09-19 2020-03-26 イビデン株式会社 フィルタ膜及び該フィルタ膜を用いた濾過方法
CN114269451B (zh) * 2019-08-30 2023-09-19 株式会社村田制作所 过滤滤除器
JP7382869B2 (ja) * 2020-03-18 2023-11-17 シチズンファインデバイス株式会社 貫通孔基板の製造方法
US11833477B2 (en) 2020-10-09 2023-12-05 Global Life Sciences Solutions Usa, Llc Tangential flow cassette-HF emulation
WO2022097295A1 (ja) * 2020-11-09 2022-05-12 三菱化工機株式会社 分離モジュール、分離装置及び分離システム
JP2022143451A (ja) * 2021-03-17 2022-10-03 株式会社日立製作所 分離膜及び分離膜の製造方法

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US5798042A (en) 1994-03-07 1998-08-25 Regents Of The University Of California Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters
US20010047959A1 (en) * 1997-06-20 2001-12-06 Asahi Kasei Kabushiki Kaisha Polyacrylonitrile-based filtration membrane in a hollow fiber state
EP1135328A1 (en) * 1998-12-02 2001-09-26 Massachusetts Institute Of Technology Integrated palladium-based micromembranes for hydrogen separation and hydrogenation/dehydrogenation reactions
AU780338B2 (en) 1999-12-08 2005-03-17 Baxter International Inc. Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes
US6806543B2 (en) * 2002-09-12 2004-10-19 Intel Corporation Microfluidic apparatus with integrated porous-substrate/sensor for real-time (bio)chemical molecule detection
US20040124092A1 (en) 2002-12-30 2004-07-01 Black Charles T. Inorganic nanoporous membranes and methods to form same
DE10353894B4 (de) * 2003-07-11 2007-02-15 Nft Nanofiltertechnik Gmbh Filterelement und Verfahren zu dessen Herstellung
NL1024250C2 (nl) 2003-09-09 2005-03-10 Fluxxion B V Vervaardiging van een microzeef, en microzeef en inrichting met een microzeef.
JP2008540070A (ja) * 2005-04-29 2008-11-20 ユニバーシティー オブ ロチェスター 超薄多孔質ナノスケール膜、その製造方法および使用
US20060266692A1 (en) * 2005-05-25 2006-11-30 Innovative Micro Technology Microfabricated cross flow filter and method of manufacture
DE102006026559A1 (de) * 2006-06-06 2007-12-20 Eads Deutschland Gmbh Mikromechanischer Filter für Mikropartikel, insbesondere für pathogene Bakterien und Viren, sowie Verfahren zu seiner Herstellung
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Also Published As

Publication number Publication date
EP2849865A4 (en) 2016-02-10
AU2013262731B2 (en) 2017-10-12
CA2873638C (en) 2021-08-24
US10265452B2 (en) 2019-04-23
CA2873638A1 (en) 2013-11-21
US20190269841A1 (en) 2019-09-05
EP2849865A2 (en) 2015-03-25
JP6686078B2 (ja) 2020-04-22
WO2013173631A2 (en) 2013-11-21
US20210121618A1 (en) 2021-04-29
US11413383B2 (en) 2022-08-16
JP6381524B2 (ja) 2018-08-29
AU2013262731A1 (en) 2014-11-27
JP2019034300A (ja) 2019-03-07
US20150090661A1 (en) 2015-04-02
US10842925B2 (en) 2020-11-24
JP2015521103A (ja) 2015-07-27
WO2013173631A3 (en) 2014-01-23

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