JP5177705B2 - 金属ボールを用いた磁気力マイクロバルブおよびその製造方法 - Google Patents
金属ボールを用いた磁気力マイクロバルブおよびその製造方法 Download PDFInfo
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- JP5177705B2 JP5177705B2 JP2010156178A JP2010156178A JP5177705B2 JP 5177705 B2 JP5177705 B2 JP 5177705B2 JP 2010156178 A JP2010156178 A JP 2010156178A JP 2010156178 A JP2010156178 A JP 2010156178A JP 5177705 B2 JP5177705 B2 JP 5177705B2
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- 239000002184 metal Substances 0.000 title claims description 120
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000758 substrate Substances 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 23
- -1 polyethylene Polymers 0.000 claims description 18
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 239000004417 polycarbonate Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 229920002530 polyetherether ketone Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229920006324 polyoxymethylene Polymers 0.000 claims description 6
- 229920001955 polyphenylene ether Polymers 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 5
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000004049 embossing Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000010076 replication Effects 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims 17
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims 17
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims 17
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims 17
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims 17
- 230000008569 process Effects 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 3
- 238000000018 DNA microarray Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- WCVOGSZTONGSQY-UHFFFAOYSA-N 2,4,6-trichloroanisole Chemical compound COC1=C(Cl)C=C(Cl)C=C1Cl WCVOGSZTONGSQY-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000012742 biochemical analysis Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- ATADHKWKHYVBTJ-UHFFFAOYSA-N hydron;4-[1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol;chloride Chemical compound Cl.CNCC(O)C1=CC=C(O)C(O)=C1 ATADHKWKHYVBTJ-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002032 lab-on-a-chip Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0015—Diaphragm or membrane valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0026—Valves using channel deformation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0034—Operating means specially adapted for microvalves
- F16K99/0042—Electric operating means therefor
- F16K99/0046—Electric operating means therefor using magnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K2099/0073—Fabrication methods specifically adapted for microvalves
- F16K2099/0078—Fabrication methods specifically adapted for microvalves using moulding or stamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0034—Operating means specially adapted for microvalves
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49405—Valve or choke making
- Y10T29/49412—Valve or choke making with assembly, disassembly or composite article making
- Y10T29/49425—Valve or choke making with assembly, disassembly or composite article making including metallurgical bonding
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Magnetically Actuated Valves (AREA)
- Micromachines (AREA)
Description
内部領域に局所的にトレンチが形成された下部基板と、
金属ボールが中央部に位置し、PDMSが上記金属ボールを取り囲むように構成され、上記下部基板に形成されたトレンチに挿入されるPDMS/金属ボール結合体と、
上記上部基板に形成されたマイクロチャンネルの上部に位置して磁気力を発生する磁石と
を含み、前記PDMS/金属ボール結合体は、側面と上部面とが90°よりも小さく0°よりも大きい角度をなすように形成されることを特徴とする。
11 マイクロチャンネル
12 流体の入口
13 流体の出口
20 下部基板
21 通気口
31 PDMS
32 金属ボール
40 磁石
Claims (10)
- 流体が移動する通路であるマイクロチャンネルと、前記マイクロチャンネルへ流体を流入するための流体の入口と、前記マイクロチャンネルを通過した流体を流出するための流体の出口とが形成された上部基板と、
内部領域に局所的にトレンチが形成された下部基板と、
金属ボールが中央部に位置し、PDMSが前記金属ボールを取り囲むように構成され、前記下部基板に形成されたトレンチに挿入されるPDMS/金属ボール結合体と、
前記上部基板に形成されたマイクロチャンネルの上部に位置し、磁気力を発生する磁石と
を含み、前記PDMS/金属ボール結合体は、側面と上部面とが90°よりも小さく0°よりも大きい角度をなすように形成されることを特徴とする金属ボールを用いた磁気力マイクロバルブ。 - 前記PDMS/金属ボール結合体が挿入される領域の下部に位置する前記下部基板の一部領域に通気口が形成されていることを特徴とする請求項1に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記磁石は、永久磁石または電磁石で具現されることを特徴とする請求項1に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記磁石により前記金属ボールに磁気力が加わると、前記金属ボールが前記上部基板の方に引っ張られ、前記金属ボールを取り囲んだPDMSにより前記マイクロチャンネルが閉まることを特徴とする請求項1に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記磁石による磁気力が取り除かれると、前記PDMSの弾性復元力により前記マイクロチャンネルが開くことを特徴とする請求項4に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記PDMS/金属ボール結合体は、前記金属ボールと前記PDMS/金属ボール結合体の上部に置かれる前記マイクロチャンネルとの間に所定の厚さのPDMS層が位置するように形成されていることを特徴とする請求項1に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記PDMS層の前記所定の厚さが前記マイクロチャンネルの高さの0.1から2倍であることを特徴とする請求項6に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記トレンチは、射出成形(injection molding)またはホットエンボシング(hot embossing)を含むポリマー複製技術(polymer replication technique)により形成されることを特徴とする請求項1に記載の金属ボールを用いた磁気力マイクロバルブ。
- 前記下部基板は、ポリメチルメタクリレート(polymethylmethacrylate:PMMA),ポリカーボネート(polycarbonate:PC),シクロオレフィンコポリマー(cycloolefin copolymer:COC),ポリアミド(polyamide:PA),ポリエチレン(polyethylene:PE),ポリプロピレン(polypropylene:PP),ポリフェニレンエーテル(polyphenylene ether:PPE),ポリスチレン(polystyrene:PS),ポリオキシメチレン(polyoxymethylene:POM),ポリエーテルエーテルケトン(polyetheretherketone:PEEK),ポリテトラフルオロエチレン(polytetrafluoroethylene:PTFE),ポリビニルクロライド(polyvinylchloride:PVC),ポリビニリデンフロリド(polyvinylidene fluoride:PVDF),ポリブチレンテレフタレート(polybutyleneterephthalate:PBT),フッ素化エチレンプロピレン(fluorinated ethylenepropylene:FEP)およびパーフルオロアルコキシアルカン(perfluoralkoxyalkane:PFA)からなるポリマー群から選択された何れか1つで形成されることを特徴とする請求項8に記載の金属ボールを用いた磁気力マイクロバルブ。
- 流体が移動する通路であるマイクロチャンネルおよび流体の出入口が形成された上部基板を形成するステップと、
内部領域に局所的にトレンチが形成された下部基板を形成するステップと、
金属ボールが中央部に位置し、PDMSが前記金属ボールを取り囲むように構成されたPDMS/金属ボール結合体を形成するステップと、
前記PDMS/金属ボール結合体を前記下部基板に形成されたトレンチに挿入するステップと、
前記上部基板と前記下部基板とを接合するステップと
を含み、前記PDMS/金属ボール結合体を形成するステップは、
前記下部基板に形成されたトレンチと同じ寸法および形状を有するフレームを形成するステップと、
前記フレームの内部に前記金属ボールを挿入するステップと、
前記金属ボールを固定した後、前記フレームの内部にPDMS溶液を注ぐステップと、
前記フレームに注いだPDMS溶液の上部面を平坦化するステップと、
前記金属ボールを取り囲んだPDMSを前記金属ボールと一体的に固化させるステップと
を含むことを特徴とする金属ボールを用いた磁気力マイクロバルブの製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090082217A KR101274113B1 (ko) | 2009-09-01 | 2009-09-01 | 금속볼을 이용한 자기력 마이크로밸브 및 그 제조방법 |
KR10-2009-0082217 | 2009-09-01 |
Publications (2)
Publication Number | Publication Date |
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JP2011052821A JP2011052821A (ja) | 2011-03-17 |
JP5177705B2 true JP5177705B2 (ja) | 2013-04-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2010156178A Expired - Fee Related JP5177705B2 (ja) | 2009-09-01 | 2010-07-08 | 金属ボールを用いた磁気力マイクロバルブおよびその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8585013B2 (ja) |
JP (1) | JP5177705B2 (ja) |
KR (1) | KR101274113B1 (ja) |
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JP6083713B2 (ja) | 2011-11-16 | 2017-02-22 | インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation | 変形可能バルブを備えたマイクロ流体デバイス |
KR101992865B1 (ko) * | 2017-10-11 | 2019-06-27 | 한국과학기술원 | 미세유체 채널의 유로 제어 밸브 |
US11717825B2 (en) | 2017-12-28 | 2023-08-08 | Stmicroelectronics S.R.L. | Magnetically controllable valve and portable microfluidic device having a magnetically controllable valve, in particular cartridge for sample preparation and molecule analysis |
US11511278B2 (en) | 2017-12-28 | 2022-11-29 | Stmicroelectronics S.R.L. | Solid reagent containment unit, in particular for a portable microfluidic device for sample preparation and molecule analysis |
US11491489B2 (en) | 2017-12-28 | 2022-11-08 | Stmicroelectronics S.R.L. | Microfluidic connector group, microfluidic device and manufacturing process thereof, in particular for a cartridge for sample preparation and molecule analysis |
US11110457B2 (en) | 2017-12-28 | 2021-09-07 | Stmicroelectronics S.R.L. | Analysis unit for a transportable microfluidic device, in particular for sample preparation and molecule analysis |
US11278897B2 (en) | 2017-12-28 | 2022-03-22 | Stmicroelectronics S.R.L. | Cartridge for sample preparation and molecule analysis, cartridge control machine, sample preparation system and method using the cartridge |
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KR20050098408A (ko) * | 2004-04-07 | 2005-10-12 | 김민철 | 자기력을 이용한 배수밸브 개폐기구 |
US7314208B1 (en) * | 2004-09-30 | 2008-01-01 | Sandia Corporation | Apparatus and method for selectively channeling a fluid |
JP4422040B2 (ja) * | 2005-01-31 | 2010-02-24 | 株式会社コガネイ | 弁装置 |
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US8545767B2 (en) | 2006-01-12 | 2013-10-01 | Sumitomo Bakelite Co., Ltd. | Passive one-way valve and microfluidic device |
US7862000B2 (en) * | 2006-02-03 | 2011-01-04 | California Institute Of Technology | Microfluidic method and structure with an elastomeric gas-permeable gasket |
JP2007255433A (ja) * | 2006-03-20 | 2007-10-04 | Nsk Ltd | 流量調整器 |
JP2007298126A (ja) | 2006-05-01 | 2007-11-15 | Shimadzu Corp | バルブ機構及び流路基板 |
JP2008008347A (ja) * | 2006-06-28 | 2008-01-17 | Nsk Ltd | マイクロバルブ |
DE102006054185A1 (de) | 2006-11-16 | 2008-05-21 | Robert Bosch Gmbh | Magnetventil |
US20080163946A1 (en) * | 2006-12-28 | 2008-07-10 | The Trustees Of California State University | Magnetically controlled valve for flow manipulation in polymer microfluidic devices |
JP4938587B2 (ja) | 2007-08-08 | 2012-05-23 | 日本特殊陶業株式会社 | ガスセンサ |
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2009
- 2009-09-01 KR KR1020090082217A patent/KR101274113B1/ko not_active IP Right Cessation
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JP2011052821A (ja) | 2011-03-17 |
US20110049401A1 (en) | 2011-03-03 |
KR20110024298A (ko) | 2011-03-09 |
KR101274113B1 (ko) | 2013-06-13 |
US8585013B2 (en) | 2013-11-19 |
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