JP5187442B2 - マイクロチップ - Google Patents
マイクロチップ Download PDFInfo
- Publication number
- JP5187442B2 JP5187442B2 JP2011513278A JP2011513278A JP5187442B2 JP 5187442 B2 JP5187442 B2 JP 5187442B2 JP 2011513278 A JP2011513278 A JP 2011513278A JP 2011513278 A JP2011513278 A JP 2011513278A JP 5187442 B2 JP5187442 B2 JP 5187442B2
- Authority
- JP
- Japan
- Prior art keywords
- resin substrate
- hole
- gap
- joined
- base end
- 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.)
- Expired - Fee Related
Links
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Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
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- 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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- 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
- B01L3/502715—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 interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
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- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
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- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
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- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
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- B01L2300/041—Connecting closures to device or container
- B01L2300/042—Caps; Plugs
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- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0877—Flow chambers
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- B01L2300/0887—Laminated structure
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one 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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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- 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
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
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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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- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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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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- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4895—Solvent bonding, i.e. the surfaces of the parts to be joined being treated with solvents, swelling or softening agents, without adhesives
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- 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
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- 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
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- B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B32—LAYERED PRODUCTS
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
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- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
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Description
この発明の第1実施形態に係るマイクロチップについて図1及び図2を参照して説明する。図1(a)〜(c)はこの発明の第1実施形態に係るマイクロチップを貫通孔の中心に沿って切断した場合の断面図、図2(a)はマイクロチップの製造装置の断面図、(b)は(a)のb−b線断面図、(c)は(a)のc−c線断面図である。
(第2実施形態)
この発明の第2実施形態に係るマイクロチップについて図3を参照して説明する。図3(a)〜(c)はマイクロチップを貫通孔の中心に沿って切断した場合の断面図であって、それぞれの空隙部の形状を異ならせた図である。
(第3実施形態)
この発明の第3実施形態に係るマイクロチップについて図4を参照して説明する。図4(a)〜(c)はマイクロチップを貫通孔の中心に沿って切断した場合の断面図であって、それぞれの空隙部の形状を異ならせた図である。
(第4実施形態)
この発明の第4実施形態に係るマイクロチップについて図5を参照して説明する。図5(a)〜(b)はマイクロチップを貫通孔の中心に沿って切断した場合の断面図であって、それぞれの空隙部の形状を異ならせた図である。
(樹脂製基板)
射出成形機で透明樹脂材料のアクリル(三菱レーヨン株式会社製アクリプレン)を成形することで、複数の流路用溝と複数の貫通孔と突起部とが形成された流路側の樹脂製基板を作製した。この流路側の樹脂製基板が、上述した実施形態における流路用溝11と突起部12と貫通孔13とが形成された樹脂製基板10の1例に相当する。
厚さ=1mm
流路用溝11の幅、深さ=50μm
また、透明樹脂材料としてアクリルを用いて、基板の厚さが75μmで、一辺の長さが50mmのカバー側の樹脂製基板を作製した。このカバー側の樹脂製基板が、上述した実施形態における樹脂製基板20に相当する。
(接合)
次に、流路用溝が形成された表面を内側にして、流路側の樹脂製基板とカバー側の樹脂製基板とを重ねた。その状態で2つの樹脂製基板を治具Dで挟み、90℃の加熱下で、1kg/cm2の圧力を加えて、1分間保持することでマイクロチップを作製した。
(評価)
そして、実施例1から実施例6について、本発明の効果であるマイクロチップの再現性を評価した。評価は同じ条件で作成したサンプルに対して3回行いその平均値により評価した。
(再現性試験)
作製したサンプルに図6に示すように流路用溝中に10μリットルの純水を入れ、シリンジを用いて、0.1MPaの圧力を加え、圧力を加えてから逆側の突起部に純水が到達するまでの時間の差を計測した。
(強度試験)
AS ONE製 小型プレス機を用いて突起部上部に3kNの圧力を加圧して、サンプルの変形具合を調べた。
(まとめ)
比較例1で作製したサンプルは、再現性試験の結果が悪く、3つのサンプルとも違った値となった。これは、突起部の基端(付け根)等に未接合部が発生していたり、加圧することで接着不十分な部分が剥がれてしまい、流れが不均一になっていると考えられる。これに対して、本発明のサンプルは、いずれも優れた再現性を示しており、特に、φa+(φb−φa)/2≦φcの関係を満たす空隙部がより好ましかった。実施例4で作製したサンプルは、使用には問題ないものの、空隙部が大きく、突起部の基端が比較的脆いため、サンプルを上下から加圧したときに微小なクラックを発生した。以上より空隙部はφa+(φb−φa)/2≦φc<2.5×φcの範囲であることがより好ましい。
11 流路用溝
12 突起部
12a 基端
12b 接合する面に投影した場合の突起部の基端
13 貫通孔
13a 基端側縁
13b 接合する面に投影した場合の貫通孔の基端側縁
13c 先端側縁
14 空隙部
14a 端縁
20 樹脂製基板
Claims (7)
- 2つの樹脂製基板のうち少なくとも1つの樹脂製基板の表面には流路用溝が形成され、前記流路用溝が形成される面を内側にして前記2つの樹脂製基板が接合され、前記2つの樹脂製基板のいずれか一方の樹脂製基板には、2つの樹脂製基板が接合する面とは反対側の面から前記流路用溝に繋がる略円形断面形状の貫通孔が形成されると共に、前記反対側の面に、前記貫通孔を囲むように設けられた前記樹脂製基板の厚さ方向に突出する突起部が形成されたマイクロチップにおいて、
前記2つの樹脂製基板の一方又は他方の樹脂製基板の前記接合する面であって、前記接合する面に対して略直交する方向から前記突起部を投影させた場合の前記接合する面に、前記貫通孔と同心の略円形断面形状で前記樹脂製基板の厚さ方向と同方向の深さを有する空隙部が形成され、
前記略直交する方向から前記接合する面に前記貫通孔の基端側縁を投影させた場合の前記貫通孔の基端側の径をφaとし、前記接合する面に接する前記空隙部の端縁側の径をφcとすると、以下の関係
φc>φa
を満たすことを特徴とするマイクロチップ。 - 前記略直交する方向から前記接合する面に前記突起部の基端を投影させた場合の前記突起部の基端側の径をφbとすると、以下の関係
2.5×φb>φc
を満たすことを特徴とする請求項1に記載のマイクロチップ。 - 以下の関係
φb≧φc
を満たすことを特徴とする請求項2に記載のマイクロチップ。 - 前記空隙部は、前記2つの樹脂製基板のうち前記流路用溝が形成された樹脂製基板の前記接合する面に形成され、
さらに、前記空隙部は、前記2つの樹脂製基板を接合した場合でも、前記貫通孔の基端側縁と前記接合する面との間に隙間を残しておくような前記深さを有していることを特徴とする請求項1から請求項3のいずれかに記載のマイクロチップ。 - 前記空隙部の深さをTc、前記樹脂製基板の厚さをT、前記流路用溝の深さをTaとすると、以下の関係
Ta≦Tc≦T/2
を満たすことを特徴とする請求項4に記載のマイクロチップ。 - 前記空隙部は、前記空隙部の端縁側から前記貫通孔の基端側縁に向かって斜めに傾斜する周壁面を有することを特徴とする請求項4に記載のマイクロチップ。
- 前記空隙部は、前記空隙部の端縁側から前記貫通孔の先端側縁に向かって斜めに傾斜する周壁面を有することを特徴とする請求項4に記載のマイクロチップ。
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PCT/JP2010/053638 WO2010131514A1 (ja) | 2009-05-15 | 2010-03-05 | マイクロチップ |
JP2011513278A JP5187442B2 (ja) | 2009-05-15 | 2010-03-05 | マイクロチップ |
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JP5901121B2 (ja) * | 2011-02-16 | 2016-04-06 | キヤノン株式会社 | 流路デバイス、及び該流路デバイスを用いた液体の搬送方法 |
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WO2013155531A2 (en) * | 2012-04-13 | 2013-10-17 | Bio-Rad Laboratories, Inc. | Sample holder with a well having a wicking promoter |
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- 2010-03-05 WO PCT/JP2010/053638 patent/WO2010131514A1/ja active Application Filing
- 2010-03-05 US US13/320,214 patent/US9238224B2/en not_active Expired - Fee Related
- 2010-03-05 EP EP10774773.5A patent/EP2431748B1/en not_active Not-in-force
- 2010-03-05 CN CN201080020713.4A patent/CN102422164B/zh not_active Expired - Fee Related
- 2010-03-05 JP JP2011513278A patent/JP5187442B2/ja not_active Expired - Fee Related
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11661948B2 (en) | 2019-05-10 | 2023-05-30 | Carrier Corporation | Compressor with vibration sensor |
Also Published As
Publication number | Publication date |
---|---|
CN102422164A (zh) | 2012-04-18 |
EP2431748A1 (en) | 2012-03-21 |
US20120052240A1 (en) | 2012-03-01 |
US9238224B2 (en) | 2016-01-19 |
EP2431748B1 (en) | 2017-08-23 |
JPWO2010131514A1 (ja) | 2012-11-01 |
WO2010131514A1 (ja) | 2010-11-18 |
EP2431748A4 (en) | 2013-09-11 |
CN102422164B (zh) | 2015-12-16 |
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