JP2015075353A - 流路デバイス、組立て部材および流路デバイスを形成する方法 - Google Patents
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Abstract
【解決手段】流路を持つ第一のデバイスと流路を持つ第二のデバイスとを、該第一のデバイスの流路と該第二のデバイスの流路とが連通するように接合させて形成する流路デバイスであって、該第一のデバイスは、該第二のデバイスと接合する範囲の外縁の外側に沿って複数の穴を有する、流路デバイス。
【選択図】図1
Description
図1および2に第一の実施例にかかる流路デバイスを示す。図1において、プラスチックチップ10は入口側ウエル5、出口側ウエル6、連結部3、ならびに入口側ウエル5と連結部3および入口側ウエル6と連結部3を結ぶ微小流路4を有する。微小流路を有するガラス製のチップ(ガラスチップ2)は、図2に示す工具(組立て部材)12を用いて、プラスチックチップ1の流路4とガラスチップの流路とが連通するように、位置1に組立てられる。プラスチック10はさらに、ガラスチップとの位置合わせの基準となる複数の貫通穴7を有する。穴7は、プラスチックチップ10とガラスチップ2とが接合する範囲の外縁の外側に設けられる。穴7はプラスチックチップ10を貫通していてもよい。工具12は位置決め用の工具上であって、複数のピン(突起部)6を有する。ピン8は、穴7に正対する位置に設けられ、組立時に穴7に挿入され、穴7のガラスチップ搭載位置側の側面に当接される。この状態でガラスチップをピン8に押し当てることで、所望のガラスチップ搭載位置1にガラスチップが位置合わせされることになる。そのため、プラスチックチップ10には3個以上の穴7を設け、このとき少なくともひとつの穴7は他の穴7のうち2つを結んだ直線上から外れた位置に設けるとよい。また、工具12にも3個以上のピン8を設け、このとき少なくともひとつのピン8は他のピン8のうち2つを結んだ直線上から外れた位置に設けるとよい。ピン8は、穴7に挿入可能な形状の断面を有しており、ガラスチップ2の厚み以上の長さを有していれば、その形状は特に限定されない。
第二の実施例を図4に示す。第一の実施例では穴7が貫通した形状であったのに対して、ここでは貫通しない穴7を採用した。その他は実施例1と同様の条件で、位置合わせの際に使われる工具12を図4に示す通りガラスチップ搭載側より設置し、位置合わせ開口の側面にピン8を押し当てた。ガラスチップ2は工具の側面に押し当てることにより、良好な位置合わせができた。
第三の実施例を図5に示す。第三の実施例では、第一の実施例と同様、貫通した穴7を位置合わせの基準に用いた。ここでは成形品の型14からの離型性を良好にするために、型14に近づくにつれて(ガラスチップ2が接する面から離れるにつれて)幅が広がるような勾配を穴7に設け、その他は実施例1と同様の条件とした。本実施例ではテーパを穴7に設けたことで離型性も良好で、かつピン8は穴7の最も内径が狭い場所で接するので良好な位置合わせができた。
第四の実施例を図6〜8に示す。本実施例では微小流路を有するプラスチックチップ10に加えてウエルプレート13をデバイスは有する。ウエルプレート13は部品の厚みを増して、微小流路を有するプラスチックチップ10の上に搭載することで、ウエルの容量を増やしている。さらに検査に用いる試薬を搭載する別のウエルもここでは有している。部品の厚みが厚く、かつガラスチップを観察するための大きな窓や種々のウエルなど形状の変化に富んでいるものの、プラスチックチップ10との接着で微小流を形成するわけではないので、部品の平面性、位置合わせに対しては寛容である。本実施例ではウエルプレート13にピン8と同様の機能を有する突起8を設けた。突起部8は、実施例1〜3と同様にピン形状としてもよいが、本実施例ではガラスチップ2が接合する側に面を有する直方体の形状とした。本実施例をより詳細に説明するために図7と8を参照する。これはガラスチップを押し当てて位置合わせする部位の断面を示したものである。図7では、ウエルプレート13はプラスチックチップ10の穴7に差し込めるような突起8と、ガラスチップ2が接することが可能な位置にまで連続する側面を有している。本突起8を用いて、図7に示すように、まずウエルプレート13とプラスチックチップ10を押し当てて位置合わせをしながら接着する。続けて図8に示すようにガラスチップ2を突起8の側面に押し当てて位置合わせすることで、良好に位置合わせをすることができた。
2 ガラスチップ
3 連結部
4 プラスチックチップ内の微小流路
5 入口側ウエル
6 出口側ウエル
7 貫通穴
8 ピン/突起部
Claims (9)
- 流路を持つ第一のデバイスと流路を持つ第二のデバイスとを、該第一のデバイスの流路と該第二のデバイスの流路とが連通するように接合させて形成する流路デバイスであって、
該第一のデバイスは、該第二のデバイスと接合する範囲の外縁の外側に沿って複数の穴を有する、流路デバイス。 - 前記第一のデバイスは3個以上の前記穴を有し、該穴のうち少なくともひとつは他の穴のうち2つを結んだ直線上から外れた位置に設けられる、請求項1に記載の流路デバイス。
- 前記第二のデバイスは透明の材料からなる、請求項1または2に記載の流路デバイス。
- 前記穴のうち少なくともひとつは前記第一のデバイスを貫通する、請求項1〜3のいずれか1項に記載の流路デバイス。
- 前記穴には勾配が設けられる、請求項1〜4のいずれか1項に記載の流路デバイス。
- さらに第三のデバイスを有し、該第三のデバイスは前記穴に挿入可能な突起部を有し、該突起部は前記第二のデバイスの厚み以上の長さを有する、請求項1〜5のいずれか1項に記載の流路デバイス。
- 前記第一のデバイスは2つの部材を接合してなり、いずれかの部材に溝を設けて接合することで、前記第一のデバイスの流路が形成される、請求項1〜6のいずれか1項に記載の流路デバイス。
- 流路を持つ第一のデバイスと流路を持つ第二のデバイスとを、該第一のデバイスの流路と該第二のデバイスの流路とが連通するように接合させて形成する流路デバイスを組立てる際に用いる組立て部材であって、
該第一のデバイスの、該第二のデバイスと接合する範囲の外縁の外側に沿って複数の突起部を有し、
該突起部は該第二のデバイスの厚み以上の長さを有する、組立て部材。 - 流路を持つ第一のデバイスと流路を持つ第二のデバイスとを、該第一のデバイスの流路と該第二のデバイスの流路とが連通するように接合させて流路デバイスを形成する方法であって、
該第一のデバイスの、該第二のデバイスと接合する範囲の外縁の外側に沿って複数の穴を設け、
該第二のデバイスの厚み以上の長さを有する突起部を有する組立て部材を用いて、該第一のデバイスの該穴に該組立て部材の該突起部を挿入して、
該第一のデバイスと該第二のデバイスとの位置合わせをする、方法。
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