JPWO2007049332A1 - フローセル及びその製造方法 - Google Patents
フローセル及びその製造方法 Download PDFInfo
- Publication number
- JPWO2007049332A1 JPWO2007049332A1 JP2007542528A JP2007542528A JPWO2007049332A1 JP WO2007049332 A1 JPWO2007049332 A1 JP WO2007049332A1 JP 2007542528 A JP2007542528 A JP 2007542528A JP 2007542528 A JP2007542528 A JP 2007542528A JP WO2007049332 A1 JPWO2007049332 A1 JP WO2007049332A1
- Authority
- JP
- Japan
- Prior art keywords
- fluororesin
- groove
- flow cell
- flow path
- bonded
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/05—Flow-through cuvettes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502707—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the manufacture of the container or its components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
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- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
- B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/90—Measuring or controlling the joining process
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- B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
- B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
- B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
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- B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
- B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
- B29C66/91931—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to the fusion temperature or melting point of the material of one of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
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- B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
- B29C66/91941—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to Tg, i.e. the glass transition temperature, of the material of one of the parts to be joined
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- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
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Abstract
Description
また板状部材として樹脂基板を用いた場合は成型加工を用いて溝を形成することができるので、溝を形成するためのコストを低減できるという利点はあるが、樹脂は有機溶剤への耐性が低いため、フローセルとして使用できる用途が限定されてしまう。
そこで本発明は、エッチングによる板状部材自体への溝加工を不要にして低コスト化を図るとともに、液漏れすることがなく、かつ耐薬品性に優れたフローセルを提供することを目的とする。
フッ素樹脂膜又はフッ素樹脂体は特定温度以上で他の材質の基板に対して接着性を発現する接着性フッ素樹脂からなるものとすることができる。
また、その金属層は流路となる溝に接する位置に設けられていることが好ましい。
(A)フッ素樹脂膜に流路となる溝を貫通穴として形成する工程、
(B)平坦な板状部材又は蓋部材のいずれかの前記溝の両端に対応する位置に液出入口となる貫通穴を形成する工程、及び
(C)前記フッ素樹脂膜を前記溝と貫通穴とを位置決めした状態で前記板状部材と前記蓋部材との間に挟んでフッ素樹脂膜が接着性を発現するまで加熱するとともに加圧して、そのフッ素樹脂膜により板状部材と蓋部材を接着させて接合する工程。
(A)流路となる溝が凸形状として形成された成型面をもつ型のその成型面にフッ素樹脂体を重ね、そのフッ素樹脂体の融点付近の温度に加熱した状態で押圧して成型する工程、
(B)前記フッ素樹脂体又は蓋部材の前記溝の両端に対応する位置に液出入口となる貫通穴を形成する工程、及び
(C)前記フッ素樹脂体の成型面と蓋部材とを重ね、前記貫通穴を蓋部材に形成したときは前記溝の両端と液出入口となる貫通穴とを位置決めした状態で重ねて、そのフッ素樹脂体が接着性を発現するまで加熱するとともに加圧して、そのフッ素樹脂体と蓋部材を接着させて接合する工程。
フッ素樹脂として接着性フッ素樹脂を使用することができる。その場合は、前記フッ素樹脂膜又は前記フッ素樹脂体に接着性を発現させるための加熱温度はそれらの接着性フッ素樹脂が接着性を発現する温度以上かつ分解点未満の温度とすることができる。
流路部材と蓋部材との接合の前に、フッ素樹脂膜又はフッ素樹脂体に接着されるいずれかの部材の接合面の少なくとも一部に金属層を形成する工程をさらに備えることができる。
フッ素樹脂として接着性フッ素樹脂を用いた場合は、接着性フッ素樹脂は成型加工、切削加工等により容易に溝を加工できるため、ガラスやシリコンに溝加工を施す場合に比べ安価に流路となる溝を形成することができる。
この実施例のフローセルは、平板状のガラス基板3と、流路7となる溝が切抜き加工された接着性フッ素樹脂シート5と、その溝の両端に対応する位置に流体の導入口又は排出口となる貫通穴9,11が形成された蓋部材となるガラス基板1からなり、ガラス基板1と3の間にフッ素樹脂シート5を挟み込み、フッ素樹脂シート5自体によって接着されて接合されたものである。ガラス基板3とその上に接合されたフッ素樹脂シート5で流路部材17を構成している。
フッ素樹脂シート5としては、ネオフロンEFEP(登録商標)RP−4020を使用する。このフッ素樹脂シート5は融点が155〜170℃、分解温度が355℃である。
フッ素樹脂シート5には、ガラス基板1の貫通穴9,11に対応する位置の間をむすぶ流路7となる貫通溝を形成するために、例えばカッティングプロッターなどにより切抜き加工が施されている。ここでは貫通溝の形状を両端でやや大きくなったものとしているが、カッティングプロッターを用いることで、微細で複雑な流路形状を容易に実現できる。
この実施例のフローセルは、表面に流路7となる溝が形成され全体が接着性フッ素樹脂にてなるフッ素樹脂体27と、フッ素樹脂体27の溝を覆うように設けられた蓋部材としてのガラス基板1とが接着性フッ素樹脂の接着性により接着されて接合されたものである。ガラス基板1には、流路7の溝の両端に対応する位置に、流路7に流体を導入するための流体導入口9又は流路7から流体を排出するための流体排出口となる貫通穴9,11が設けられている。
フッ素樹脂体27としては、例えば上の実施例と同じネオフロンEFEP(登録商標)RP−4020を使用する。
(A)シリコン基板21には、フッ素樹脂体27への溝の転写型となる構造(凸部23)が、例えば写真製版とアルカリ薬液によるエッチングにより形成されている。
(C)溝が形成されたフッ素樹脂体27の上にガラス基板1を重ねて流路7と貫通穴9,11を位置合わせし、これを250℃に加熱し、10kPa程度の加圧を行なうことで、ガラス基板1とフッ素樹脂体27が接着して接合し、フローセルが完成する。
上記フローセルの作製工程では、ガラス基板3に接着性フッ素樹脂シート5を重ねたもの、又はフッ素樹脂体27の上にガラス基板1を重ね、流路7と貫通穴9,11を位置合わせすることにより形成している。ガラス基板3とフッ素樹脂シート5又はフッ素樹脂体27の接着性をさらに高めるために、ガラス基板1又は3上に例えば白金等の金属膜をスパッタリング技術などにより成膜し、この金属膜表面とフッ素樹脂シート5又はフッ素樹脂体27を貼り合わせる。このようにすると、ガラス基板とシート5又はフッ素樹脂体27の接着性が向上することから、部材間に隙間等が生じることを一層効果的に抑えて液漏れを防ぐことができる。
5 接着性のフッ素樹脂シート
7 流路
9,11 流体導入口又は流体排出口用の貫通穴
15 切抜き部
17 流路部材
21 シリコン基板
23 凸部
27 フッ素樹脂体
28 金属膜
Claims (11)
- 少なくとも表面層がフッ素樹脂にてなり、その表面層に流路となる溝が形成されている流路部材と、前記流路部材の前記表面層に前記フッ素樹脂自体により接着されて接合される蓋部材とからなり、
少なくとも前記流路部材と前記蓋部材とのいずれかの部材における溝の両端に対応する位置に液出入口となる貫通穴が設けられていることを特徴とするフローセル。 - 前記流路部材は平坦な板状部材の表面にフッ素樹脂膜が重ねられている構造をもっていることによりその表面層が前記フッ素樹脂となっており、
前記溝はそのフッ素樹脂膜にあけられた貫通孔と前記板状部材表面により形成されており、
前記板状部材と前記蓋部材が前記フッ素樹脂膜を間に挟んでそのフッ素樹脂膜自体により接着されて接合されている請求項1に記載のフローセル。 - 前記流路部材は全体がフッ素樹脂にてなるフッ素樹脂体であることにより、その表面層が前記フッ素樹脂となっており、
前記溝はそのフッ素樹脂体の表面に凹部として形成されている請求項1に記載のフローセル。 - 前記フッ素樹脂膜又は前記フッ素樹脂体は特定温度以上で他の材質の基板に対して接着性を発現する接着性フッ素樹脂からなる請求項1から3のいずれかに記載のフローセル。
- 前記流路部材と前記蓋部材との接合面の少なくとも一部が金属層で覆われている請求項1から4のいずれかに記載のフローセル。
- 前記金属層は流路となる溝に接する位置に設けられている請求項5に記載のフローセル。
- 以下の工程(A)から(C)を備えたフローセルの製造方法。
(A)フッ素樹脂膜に流路となる溝を貫通穴として形成する工程。
(B)平坦な板状部材又は蓋部材のいずれかの前記溝の両端に対応する位置に液出入口となる貫通穴を形成する工程。
(C)前記フッ素樹脂膜を前記溝と貫通穴とを位置決めした状態で前記板状部材と前記蓋部材との間に挟んで前記フッ素樹脂膜が接着性を発現するまで加熱するとともに加圧して、前記フッ素樹脂膜により前記板状部材と蓋部材を接着させて接合する工程。 - 以下の工程(A)から(C)を備えたフローセルの製造方法。
(A)流路となる溝が凸形状として形成された成型面をもつ型のその成型面にフッ素樹脂体を重ね、そのフッ素樹脂体の融点付近の温度に加熱した状態で押圧して成型する工程。
(B)前記フッ素樹脂体又は蓋部材の前記溝の両端に対応する位置に液出入口となる貫通穴を形成する工程。
(C)前記フッ素樹脂体の成型面と蓋部材とを重ね、前記貫通穴を蓋部材に形成したときは前記溝の両端と液出入口となる貫通穴とを位置決めした状態で重ねて、前記フッ素樹脂体が接着性を発現するまで加熱するとともに加圧して、前記フッ素樹脂体と前記蓋部材を接着させて接合する工程。 - 前記フッ素樹脂膜又は前記フッ素樹脂体に接着性を発現させるための加熱温度はそれらのフッ素樹脂の融点以上かつ分解点未満の温度である請求項7又は8に記載の製造方法。
- 前記フッ素樹脂は特定温度以上で他の材質の基板に対して接着性を発現する接着性フッ素樹脂であり、
前記フッ素樹脂膜又は前記フッ素樹脂体に接着性を発現させるための加熱温度はそれらの接着性フッ素樹脂が接着性を発現する温度以上かつ分解点未満の温度である請求項7又は8に記載の製造方法。 - 前記接合の前に、前記フッ素樹脂膜又は前記フッ素樹脂体に接着されるいずれかの部材の接合面の少なくとも一部に金属層を形成する工程をさらに備えた請求項7から10のいずれかに記載のフローセルの製造方法。
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JP2005074796A (ja) * | 2003-08-29 | 2005-03-24 | Sumitomo Bakelite Co Ltd | マイクロチップ基板の接合方法およびマイクロチップ |
JP2005114414A (ja) * | 2003-10-03 | 2005-04-28 | Univ Waseda | フローセル |
JP2005279493A (ja) * | 2004-03-30 | 2005-10-13 | Nippon Telegr & Teleph Corp <Ntt> | マイクロリアクタ及びその製造方法 |
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US10471212B2 (en) | 2009-10-29 | 2019-11-12 | W. L. Gore & Associates, Inc. | Silicone free drug delivery devices |
US10478563B2 (en) | 2009-10-29 | 2019-11-19 | W. L. Gore & Associates, Inc. | Fluoropolymer barrier materials for containers |
US11020531B2 (en) | 2009-10-29 | 2021-06-01 | W. L. Gore & Associates, Inc. | Silicone free drug delivery devices |
US11612697B2 (en) | 2010-10-29 | 2023-03-28 | W. L. Gore & Associates, Inc. | Non-fluoropolymer tie layer and fluoropolymer barrier layer |
JP2016047324A (ja) * | 2011-05-27 | 2016-04-07 | ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティドW.L. Gore & Associates, Incorporated | 容器向けのフルオロポリマーバリア材料 |
Also Published As
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WO2007049332A1 (ja) | 2007-05-03 |
EP1950569A4 (en) | 2009-05-06 |
EP1950569A1 (en) | 2008-07-30 |
CN101356441B (zh) | 2011-06-15 |
JP4656149B2 (ja) | 2011-03-23 |
US20090114293A1 (en) | 2009-05-07 |
CN101356441A (zh) | 2009-01-28 |
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