JP2010519746A - レーザによる接合方法、該方法で接合した基板、及びかかる基板の使用 - Google Patents
レーザによる接合方法、該方法で接合した基板、及びかかる基板の使用 Download PDFInfo
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Abstract
【解決手段】本発明はレーザにより基板を接合する方法に関し、該方法ではまず基板同士を押圧することにより摩擦結合し、その後レーザ照射を行った領域の活性化により、基板同士の結合を強化させる。本発明は、上記方法によって形成した基板にも関する。
【選択図】図1
Description
3 レーザ照射
Claims (27)
- 基板をレーザにより接合する方法であって、
2つの基板を直接接触させることにより結合し、その後前記基板同士の境界にレーザを照射して領域を活性化することにより、前記基板同士の結合を強化し、活性化中に前記基板の溶融温度又は転移温度に到達させないこと、
を特徴とする方法。 - レーザ照射により前記境界の前記領域において少なくとも1つ基板の分子及び/又は原子を化学的及び/又は熱的に励起させること、かつ/又は、前記境界の前記領域において少なくとも1つの基板で拡散プロセスを開始させること、
を特徴とする請求項1に記載の方法。 - レーザ照射をパルス化すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 前記基板同士の境界にレーザを集光照射すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- レーザ照射の波長を少なくとも1つの基板に調和させ、特に前記境界の前記領域において少なくとも1つの基板の分子及び/又は原子の接合状態を励起させるようにレーザ照射の焦点を選択し、レーザ照射の焦点、パルスエネルギー、パルス反復率、及びパルス数により、活性化エネルギー、ひいては結合の強さの度合いを調整すること、
を特徴とする先行する請求項に記載の方法。 - 所定の波長で放射したレーザ照射に対して実質的に透明である第1基板と、前記波長のレーザ照射を実質的に吸収する第2基板とを使用し、レーザ照射がまず前記第1基板を通過し、前記第2基板の表面においてのみ熱活性化が生じること、
を特徴とする先行する請求項のうちの一項に記載の方法。 - 波長λaで放射したレーザ照射に対して実質的に透明な2つの基板を使用し、長波で非線形吸収波長のレーザ照射によりこれら基板を照射し、相応した高強度のレーザ照射を正確に集光することによりマルチフォトンプロセスを開始し、レーザ照射の焦点、波長、パルス持続時間、パルスエネルギー、パルス反復率、及びパルス数により、活性化エネルギー、ひいては結合の強さの度合いを調整すること、
を特徴とする先行する請求項のうちの一項に記載の方法。 - 前記基板が非晶質、一部結晶、及び/又は結晶であること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 前記非晶質基板をガラスの群から選択し、詳細には二酸化ケイ素とすること、を特徴とする先行する請求項に記載の方法。
- 一部結晶基板としてガラスセラミックスを使用すること、を特徴とする請求項9に記載の方法。
- 結晶基板として半導体、セラミックス、ピエゾセラミックス、及び/又は非線形光学結晶を使用すること、を特徴とする請求項9に記載の方法。
- プラスチック材料、詳細にはポリメチルメタクリレート、ポリカーボネート、又はシクロオレフィンポリマー及びシクロオレフィンコポリマー、並びにこれらの複合材料を基板として使用すること、
を特徴とする先行する請求項のうちの一項に記載の方法。 - 2つの異なる基板を使用すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 前記基板が異なる熱膨張係数を有すること、を特徴とする先行する請求項に記載の方法。
- 同一材料からなる2つの基板を使用すること、を特徴とする請求項1から請求項12のうちの一項に記載の方法。
- 前記基板同士を互いに押圧して摩擦結合すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- レーザによる活性化を保護ガス雰囲気中もしくは真空中で行うこと、を特徴とする先行する請求項のうちの一項に記載の方法。
- 結合対象の基板の表面を予め洗浄すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 結合対象の基板の表面を予めプラズマ活性化すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 結合対象の基板の表面を予め機能化すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 隣接する領域を活性化することにより線形方向又は扁平方向に強化すること、を特徴とする先行する請求項のうちの一項に記載の方法。
- 洗浄、プラズマ活性化、及び押圧の工程を行う直接接合により接合を行うこと、を特徴とする先行する請求項のうちの一項に記載の方法。
- 前記方法の工程全てを同一ユニットで行うこと、を特徴とする先行する請求項のうちの一項に記載の方法。
- 先行する請求項のうちの一項に記載の方法により形成した接合基板。
- 前記基板が異なる材料、詳細には熱膨張係数の異なる材料からなること、を特徴とする請求項24に記載の方法。
- ビーム形成、詳細には放射の偏向、分散、及び集光に対する高性能要素を製造するための、請求項1から請求項23のうちの一項に記載の方法の使用。
- 正確な結合を形成するための、請求項1から請求項23のうちの一項に記載の方法の使用。
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PCT/EP2008/001362 WO2008101699A2 (de) | 2007-02-21 | 2008-02-21 | Verfahren zum laser-gestützten bonden, derart gebondete subtrate und deren verwendung |
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