JP4252451B2 - 混合液の液滴形成方法及び混合液の液滴形成装置 - Google Patents
混合液の液滴形成方法及び混合液の液滴形成装置 Download PDFInfo
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Description
図1は、本発明の混合液の液滴形成装置の第一実施形態の基本構成を概略的に示す系統図である。また、図2は、図1に示す混合液の液滴形成装置の原料液吐出部に備えられたキャピラリーを基板の面の法線方向から見た場合の正面図である。
次に、本発明の混合液の液滴形成装置の第二実施形態について説明する。この第二実施形態の混合液の液滴形成装置(図示せず)は、図1に示した第一実施形態の混合液の液滴形成装置10における原料液吐出部20を異なる構成に代えたものであり、原料液吐出部20以外の構成は第一実施形態の混合液の液滴形成装置10と同様である。
次に、本発明の混合液の液滴形成装置の第三実施形態について説明する。図8は、本発明の混合液の液滴形成装置の第三実施形態の基本構成を概略的に示す系統図である。図8に示す第三実施形態の混合液の液滴形成装置10Aは、基板30上に形成される液滴70(形成途中の液滴も含む)の体積を測定するための体積測定装置80を更に備えていること以外は、図1に示した第一実施形態の混合液の液滴形成装置10と同様の構成を有している。
次に、本発明の混合液の液滴形成装置の第四実施形態について説明する。図12は、本発明の混合液の液滴形成装置の第四実施形態の基本構成を概略的に示す系統図である。図12に示す第四実施形態の混合液の液滴形成装置10Bは、図8に示した第三実施形態の混合液の液滴形成装置10Aにおける液滴体積測定装置80の代わりに質量センサ90を基板30と移動ステージ60との間に配置したものであり、それ以外の構成は第三実施形態の混合液の液滴形成装置10Aと同様である。
Claims (6)
- 複数のキャピラリー毎に蓄えられたそれぞれの原料液と前記各キャピラリーの先端と対向して配置された基板との間に、全て異なる時間において順番にパルス電圧を印加し、前記各キャピラリーと前記基板との間の距離と前記パルス電圧との関係を調整することにより、前記各キャピラリーの先端から前記原料液を柱状に形成された状態でそれぞれ吐出させて前記基板上に既に形成された液滴に順次衝突させて前記各キャピラリーからの前記各原料液同士を前記液滴の内部で混合させ、前記基板上に前記原料液からなる混合液の液滴を形成し、
前記パルス電圧を、前記複数のキャピラリーのうち幾何学的中心に近いキャピラリーに蓄えられた前記原料液に先に印加した後、次に該キャピラリー以外のキャピラリーに蓄えられた前記原料液に印加する、
こと特徴とする混合液の液滴形成方法。 - 前記各パルス電圧の印加終了毎に、その時点で前記基板上に形成された液滴の体積又は質量を測定することを特徴とする請求項1に記載の混合液の液滴形成方法。
- 前記各パルス電圧の印加終了毎に、その時点で前記基板上に形成された液滴の体積又は質量を測定し、該液滴の体積又は質量の測定値に基づいて、前記各パルス電圧の印加のプロセス毎に前記各キャピラリーから射出された前記原料液の体積又は質量を独立に計測することを特徴とする請求項2に記載の混合液の液滴形成方法。
- 前記各パルス電圧の印加のプロセス毎に前記基板上に形成される液滴の体積又は質量の測定値に基づいてフィードバック制御することにより、前記基板上に形成する前記混合液の液滴の量を調節することを特徴とする請求項3に記載の混合液の液滴形成方法。
- 混合液の液滴を形成するための原料液がそれぞれ蓄えられた複数のキャピラリーを有する原料液吐出部と、
前記各キャピラリーの先端と対向して配置され、該各キャピラリーの先端からそれぞれ吐出される前記原料液から形成される前記混合液の液滴が載置される基板と、
前記各キャピラリーに蓄えられた前記原料液のそれぞれと前記基板との間にパルス電圧を印加する電圧印加装置と、
前記電圧印加装置を制御する制御装置と、
前記各キャピラリーの先端から吐出される前記原料液が柱状に形成されて前記基板に衝突するように、前記各キャピラリーと前記基板との間の距離を前記パルス電圧との関係で調整する移動機構とを備え、
前記制御装置が、前記複数のキャピラリーのうち幾何学的中心に近いキャピラリーに蓄えられた前記原料液に先に前記パルス電圧を印加した後、該キャピラリー以外のキャピラリーに蓄えられた前記原料液に、全て異なる時間において順番に前記パルス電圧を印加するように制御し、
前記各キャピラリーの前記各原料液が、柱状に形成された状態でそれぞれ吐出させて前記基板上に既に形成された液滴に順次衝突されることにより、柱状の液体と前記基板上の液滴との間で混合されるように構成されている、
ことを特徴とする混合液の液滴形成装置。 - 前記基板上に形成される液滴の体積を測定する体積測定装置及び/又は前記液滴の質量を測定する質量センサを更に備えており、
前記制御装置が、前記体積測定装置及び/又は前記質量センサを前記電圧印加装置と共に制御することを特徴とする請求項5記載の混合液の液滴形成装置。
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JP2001261893 | 2001-08-30 | ||
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PCT/JP2002/008672 WO2003020418A1 (fr) | 2001-08-30 | 2002-08-28 | Procede de production de gouttes de melange de liquides, et dispositif de production de gouttes de melange de liquides |
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-
2002
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- 2002-08-28 WO PCT/JP2002/008672 patent/WO2003020418A1/ja active IP Right Grant
- 2002-08-28 JP JP2003524720A patent/JP4252451B2/ja not_active Expired - Fee Related
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DE60224218T2 (de) | 2008-12-04 |
EP1445016A4 (en) | 2006-07-19 |
US7588641B2 (en) | 2009-09-15 |
EP1445016A1 (en) | 2004-08-11 |
EP1445016B1 (en) | 2007-12-19 |
WO2003020418A1 (fr) | 2003-03-13 |
JPWO2003020418A1 (ja) | 2004-12-16 |
US20040182948A1 (en) | 2004-09-23 |
DE60224218D1 (de) | 2008-01-31 |
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