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ATE169513T1 - Hochwirksames metallverbundstoffmembrangetterelement und verfahren zur herstellung davon - Google Patents

Hochwirksames metallverbundstoffmembrangetterelement und verfahren zur herstellung davon

Info

Publication number
ATE169513T1
ATE169513T1 AT95924003T AT95924003T ATE169513T1 AT E169513 T1 ATE169513 T1 AT E169513T1 AT 95924003 T AT95924003 T AT 95924003T AT 95924003 T AT95924003 T AT 95924003T AT E169513 T1 ATE169513 T1 AT E169513T1
Authority
AT
Austria
Prior art keywords
getter
membrangetter
producing
same
metal composite
Prior art date
Application number
AT95924003T
Other languages
English (en)
Inventor
James T Snow
Walter Plante
Robert S Zeller
Original Assignee
Millipore Corp
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 Millipore Corp filed Critical Millipore Corp
Application granted granted Critical
Publication of ATE169513T1 publication Critical patent/ATE169513T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027Metallic material
    • B01D39/2031Metallic material the material being particulate
    • B01D39/2034Metallic material the material being particulate sintered or bonded by inorganic agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027Metallic material
    • B01D39/2041Metallic material the material being filamentary or fibrous
    • B01D39/2044Metallic material the material being filamentary or fibrous sintered or bonded by inorganic agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039Inorganic membrane manufacture
    • B01D67/0041Inorganic membrane manufacture by agglomeration of particles in the dry state
    • B01D67/00411Inorganic membrane manufacture by agglomeration of particles in the dry state by sintering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1216Three or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/183Composition or manufacture of getters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • B01D2323/081Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/12Specific ratios of components used
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/04Characteristic thickness
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00Gas separation
    • Y10S55/05Methods of making filter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)
  • Powder Metallurgy (AREA)
AT95924003T 1994-06-22 1995-06-20 Hochwirksames metallverbundstoffmembrangetterelement und verfahren zur herstellung davon ATE169513T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/263,636 US5456740A (en) 1994-06-22 1994-06-22 High-efficiency metal membrane getter element and process for making

Publications (1)

Publication Number Publication Date
ATE169513T1 true ATE169513T1 (de) 1998-08-15

Family

ID=23002607

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95924003T ATE169513T1 (de) 1994-06-22 1995-06-20 Hochwirksames metallverbundstoffmembrangetterelement und verfahren zur herstellung davon

Country Status (9)

Country Link
US (1) US5456740A (de)
EP (1) EP0766589B1 (de)
JP (1) JP3336344B2 (de)
KR (1) KR100355968B1 (de)
CN (1) CN1067600C (de)
AT (1) ATE169513T1 (de)
DE (1) DE69504075T2 (de)
TW (1) TW326001B (de)
WO (1) WO1995035146A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW359943B (en) * 1994-07-18 1999-06-01 Silicon Valley Group Thermal Single body injector and method for delivering gases to a surface
US6200389B1 (en) 1994-07-18 2001-03-13 Silicon Valley Group Thermal Systems Llc Single body injector and deposition chamber
US6022414A (en) * 1994-07-18 2000-02-08 Semiconductor Equipment Group, Llc Single body injector and method for delivering gases to a surface
EP0828548B1 (de) * 1995-05-03 2003-01-22 Pall Corporation Reaktive filtereinrichtung für gase mit sperrfilter
US6315934B1 (en) * 1995-05-08 2001-11-13 Shell Oil Company Process for preparing poly(thimethylene therephthalate) carpet yarn
US6110807A (en) * 1995-06-07 2000-08-29 Saes Getters S.P.A. Process for producing high-porosity non-evaporable getter materials
KR19990036000A (ko) * 1995-09-06 1999-05-25 루이스 에이. 코헨 광촉매식 공기 살균 방법 및 장치
US5835840A (en) * 1995-09-06 1998-11-10 Universal Air Technology Photocatalytic system for indoor air quality
GB9600082D0 (en) * 1996-01-04 1996-03-06 Exxon Chemical Patents Inc Molecular sieves and processes for their manufacture
US5895519A (en) * 1996-03-28 1999-04-20 Saes Pure Gas, Inc. Method and apparatus for purifying hydrogen gas
US5827424A (en) * 1996-09-26 1998-10-27 International Business Machines Corporation Contaminant reduction system for disk drives
WO1998030315A1 (en) * 1997-01-10 1998-07-16 Ellipsis Corporation Micro and ultrafilters with controlled pore sizes and pore size distribution and method for making
US5993738A (en) * 1997-05-13 1999-11-30 Universal Air Technology Electrostatic photocatalytic air disinfection
US5958098A (en) * 1997-10-07 1999-09-28 Westinghouse Savannah River Company Method and composition in which metal hydride particles are embedded in a silica network
US6200367B1 (en) * 1997-11-07 2001-03-13 Terrance D. Phillips Water washable stainless steel HEPA filter
US6313953B1 (en) * 1999-01-15 2001-11-06 Donaldson Company, Inc. Gas chemical filtering for optimal light transmittance; and methods
JP3518855B2 (ja) 1999-02-26 2004-04-12 キヤノン株式会社 ゲッター、ゲッターを有する気密容器および画像形成装置、ゲッターの製造方法
US6478853B1 (en) * 1999-03-09 2002-11-12 Secretary Of Agency Of Industrial Science And Technology Amorphous Ni alloy membrane for separation/dissociation of hydrogen, preparing method and activating method thereof
US6733571B1 (en) * 1999-07-12 2004-05-11 Saes Pure Gas, Inc. Gas purification system with an integrated hydrogen sorption and filter assembly
US6305442B1 (en) * 1999-11-06 2001-10-23 Energy Conversion Devices, Inc. Hydrogen-based ecosystem
EP1101523A3 (de) * 1999-11-16 2002-04-03 Millipore Corporation Einrichtung und Verfahren zur Reinigung von einem Gasstrom
US7465692B1 (en) 2000-03-16 2008-12-16 Pall Corporation Reactive media, methods of use and assemblies for purifying
IT1317951B1 (it) * 2000-05-30 2003-07-21 Getters Spa Leghe getter non evaporabili
IT1318937B1 (it) * 2000-09-27 2003-09-19 Getters Spa Metodo per la produzione di dispositivi getter porosi con ridottaperdita di particelle e dispositivi cosi' prodotti
US7438864B2 (en) * 2001-02-08 2008-10-21 Pall Corporation Purifier
US6874676B1 (en) * 2001-05-04 2005-04-05 Creare Inc. Method and structure for welding an air-sensitive metal in air
US7169489B2 (en) 2002-03-15 2007-01-30 Fuelsell Technologies, Inc. Hydrogen storage, distribution, and recovery system
CN1311874C (zh) * 2002-07-11 2007-04-25 住友电气工业株式会社 多孔半导体及其制备方法
US6931711B2 (en) * 2002-09-03 2005-08-23 Honeywell International Inc. Methods and apparatus for removing gases from enclosures
US7553355B2 (en) * 2003-06-23 2009-06-30 Matheson Tri-Gas Methods and materials for the reduction and control of moisture and oxygen in OLED devices
US7018446B2 (en) * 2003-09-24 2006-03-28 Siemens Westinghouse Power Corporation Metal gas separation membrane
DE10347897B4 (de) * 2003-10-15 2017-07-27 Hjs Emission Technology Gmbh & Co. Kg Vorrichtung zum Füllen von Öffnungen eines Trägers mit einem Sintermetallpulver-Bindemittel-Gemisch sowie Verfahren
US8999156B2 (en) * 2004-03-05 2015-04-07 Waters Technologies Corporation Frit for high pressure liquid chromatography
EP1652831A4 (de) * 2004-06-25 2009-07-01 Ibiden Co Ltd Verfahren zur herstellung eines porösen körpers, poröser körper und wabenstrukturkörper
JP4796496B2 (ja) * 2004-06-25 2011-10-19 イビデン株式会社 フィルタ、その製造方法及び排気浄化装置
US20060225817A1 (en) * 2005-04-11 2006-10-12 Konstantin Chuntonov Gas sorbents on the basis of intermetallic compounds and a method for producing the same
FR2922202B1 (fr) * 2007-10-15 2009-11-20 Commissariat Energie Atomique Structure comportant une couche getter et une sous-couche d'ajustement et procede de fabrication.
KR100980475B1 (ko) * 2007-11-15 2010-09-07 한국생산기술연구원 고강도 저융점의 활성 브레이징용 용가재 합금 조성물
CN101325139B (zh) * 2008-07-04 2010-06-09 北京有色金属研究总院 一种根部带防掉粉装置的吸气元件的制备方法
US9079136B2 (en) * 2009-05-21 2015-07-14 Battelle Memorial Institute Thin, porous metal sheets and methods for making the same
US10265660B2 (en) 2009-05-21 2019-04-23 Battelle Memorial Institute Thin-sheet zeolite membrane and methods for making the same
DE102009034837A1 (de) * 2009-07-27 2011-02-17 Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh Gehäuse
WO2015161245A1 (en) * 2014-04-18 2015-10-22 Entegris, Inc. High purity gas purifier
US10556803B2 (en) * 2016-09-16 2020-02-11 Colorado School Of Mines Ammonia synthesis using a catalytic nitrogen-selective membrane
CN109395603A (zh) * 2017-08-18 2019-03-01 重庆润泽医药有限公司 一种高分子半透材料的制备方法
CN107961593B (zh) * 2017-12-18 2023-09-22 四会市华通金属筛网制品有限公司 多层金属复合烧结网
US10837603B2 (en) 2018-03-06 2020-11-17 Entegris, Inc. Gas supply vessel
JP2022542020A (ja) * 2019-07-19 2022-09-29 インテグリス・インコーポレーテッド 多孔質焼結膜及び多孔質焼結膜を調製する方法
CN110404680A (zh) * 2019-07-23 2019-11-05 阳庆莉 一种空气净化器
US20210154738A1 (en) * 2019-11-22 2021-05-27 Markforged, Inc. Getter device for sintering additively manufactured parts

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2300048A (en) * 1940-03-27 1942-10-27 Gen Motors Corp Method of making porous material
US2309018A (en) * 1940-06-19 1943-01-19 Gen Motors Corp Method of making composite strip stock
US4200460A (en) * 1970-09-22 1980-04-29 General Electric Company Alloys for gettering moisture and reactive gases
IT963874B (it) * 1972-08-10 1974-01-21 Getters Spa Dispositivo getter perfezionato contenente materiale non evapora bile
US4183369A (en) * 1977-11-04 1980-01-15 Thomas Robert E Method of transmitting hydrogen
US4135621A (en) * 1978-02-24 1979-01-23 The International Nickel Company, Inc. Hydrogen storage module
IT1110271B (it) * 1979-02-05 1985-12-23 Getters Spa Lega ternaria getterante non evaporabile e metodo di suo impiego per l'assorbimento di acqua,vapore d'acqua,di altri gas
DE3225751C1 (de) * 1982-07-09 1984-01-26 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Vorrichtung zum Abtrennen der gasfoermigen Wasserstoffisotope
JPS59177117A (ja) * 1983-03-25 1984-10-06 Teijin Ltd 水素−ヘリウム分離方法
DE3332348A1 (de) * 1983-09-08 1985-04-04 Kernforschungsanlage Jülich GmbH, 5170 Jülich Wasserstoff-permeationswand
IT1173866B (it) * 1984-03-16 1987-06-24 Getters Spa Metodo perfezionato per fabbricare dispositivi getter non evarobili porosi e dispositivi getter cosi' prodotti
JPS62144726A (ja) * 1985-12-19 1987-06-27 Ngk Insulators Ltd セラミツクハニカム構造体の開口端面封止体の製造方法
JPS62160121A (ja) * 1985-12-28 1987-07-16 Ngk Insulators Ltd 多孔質隔膜
JPH0693978B2 (ja) * 1986-06-24 1994-11-24 松下電器産業株式会社 水素透過用媒体の製造法
US4758272A (en) * 1987-05-27 1988-07-19 Corning Glass Works Porous metal bodies
EP0692303B1 (de) * 1988-05-27 1999-01-27 Ngk Insulators, Ltd. Verfahren zur Herstellung einer porösen anorganischen Kompositmembran
IT1227219B (it) * 1988-09-26 1991-03-27 Getters Spa Apparecchiatura e metodo relativo per asportare impurezze gassose da gas inerti ed assicurare livelli estremamente bassi di idrogeno
US5342431A (en) * 1989-10-23 1994-08-30 Wisconsin Alumni Research Foundation Metal oxide membranes for gas separation
US5114447A (en) * 1991-03-12 1992-05-19 Mott Metallurgical Corporation Ultra-high efficiency porous metal filter
US5196380A (en) * 1991-06-06 1993-03-23 Arizona Board Of Reagents Reactive membrane for filtration and purification of gases of impurities
US5240480A (en) * 1992-09-15 1993-08-31 Air Products And Chemicals, Inc. Composite mixed conductor membranes for producing oxygen
GB9220975D0 (en) * 1992-10-06 1992-11-18 Air Prod & Chem Apparatus for supplying high purity gas
JP3330166B2 (ja) * 1992-12-04 2002-09-30 東京エレクトロン株式会社 処理装置
US5310414A (en) * 1993-01-29 1994-05-10 Texaco Inc. Method of forming separation membranes
DE69401031T2 (de) * 1993-06-04 1997-04-30 Millipore Corp Filterelement aus Metall mit hohem Wirkungsgrad und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
US5456740A (en) 1995-10-10
TW326001B (en) 1998-02-01
EP0766589B1 (de) 1998-08-12
JP3336344B2 (ja) 2002-10-21
EP0766589A1 (de) 1997-04-09
DE69504075D1 (de) 1998-09-17
KR100355968B1 (ko) 2002-12-28
JPH09508580A (ja) 1997-09-02
CN1151125A (zh) 1997-06-04
DE69504075T2 (de) 1998-12-10
WO1995035146A1 (en) 1995-12-28
CN1067600C (zh) 2001-06-27
KR970703797A (ko) 1997-08-09

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