JP6899653B2 - レーザー処理及び温度誘導ストレスを用いた複合ウェハー製造方法 - Google Patents
レーザー処理及び温度誘導ストレスを用いた複合ウェハー製造方法 Download PDFInfo
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Description
この発明の別の好ましい実施形態によれば、前記放射線源は、前記分離面を生成するために照射された光線が、前記固体物の中に、所定の深さに、特に100μmより浅く、貫通するように構成される。好ましくは、前記分離面は、前記固体物の外面及び好ましくは平らな表面から隔たって、並行して形成される。好ましくは、前記分離面は、好ましくは100μmより小さく、そして好ましくは50μmよりも小さく、そして特に好ましくは、20、10、5又は2μmよりも小さく若しくは正に20、10、5又は2μmだけ、前記固体物の平らな表面から離れている。したがって、前記分離面は、好ましくは、ディフェクトから生成された面形状で作られており、該ディフェクトは、好ましくは100μmより小さく、そして好ましくは50μmよりも小さく、そして特に好ましくは、20、10又は2μmよりも小さく若しくは正に20、10、5又は2μmだけ、前記固体物の平らな表面から離れている。
この発明の別の好ましい実施形態によれば、前記放射線源は、前記分離面を生成するために照射された光線が、前記固体物の中に、所定の深さに、特に100μmより深く、貫通するように構成される。好ましくは、前記分離面は、前記固体物の外面及び好ましくは平らな表面から隔たって、並行して形成される。好ましくは、前記分離面は、好ましくは100μmより大きく、そして好ましくは200μmよりも大きく、そして特に好ましくは、400又は700μmよりも大きく、前記固体物の平らな表面から離れている。したがって、前記分離面は、好ましくは、ディフェクトから生成された面形状で作られており、該ディフェクトは、好ましくは100μmより大きく、そして好ましくは200μmよりも大きく、そして特に好ましくは400又は700μmよりも大きく、前記固体物の平らな表面から離れている。
Claims (11)
- 固形材料の層を製造するための方法であって、
固形材料(4)の少なくとも1つの層を分離するための固体物(2)を提供することであって、前記固体物(2)は、第1の面(14)及び第2の面(16)を持ち、該第1の面(14)は、実質的に又は正確に該第2の面(16)に対して平行に配置され、前記固体物は、炭化ケイ素からなることと、
固形材料の層が前記固体物から分離される分離面を決定するために、少なくとも1つのレーザーのレーザービームによって前記固体物の内部構造内にディフェクトを生成することであって、前記レーザービームが前記第2の面(16)を経由して前記固体物(2)内に貫通し、前記レーザービームのエネルギーは、前記固体物内の損傷の伝播がレイリー長の3倍よりも小さくなるように選択されることと、ここで、前記分離面は、異なるディフェクト集中からなる複数の領域によって形成され、
前記固体物(2)上に前記固形材料(4)の層を保持するための受容層(10)を設けることであって、前記受容層(10)は、前記第2の面(16)上に配置され、且つ、該受容層(10)はポリマー層により形成されるものと、
前記固体物(2)内にストレスを機械的に発生するために、前記受容層(10)に対して熱を適用することであって、前記熱を適用することは、気温より低い温度で前記受容層を冷却することからなり、前記冷却は、前記ポリマー層の少なくとも一部がガラス転移を受けるように行われ、前記ストレスにより前記分離面(8)に沿って前記固体物(2)内にクラックが伝播し、該クラックが前記固体物(2)から前記固形材料(4)の層を分離するものと、
を少なくとも含む方法。 - 前記固体物(2)に導入される前記レーザービームを提供するための前記少なくとも1つのレーザーの放射線源(18)は、照射された前記レーザービームが前記固体物(2)内の所定の位置に前記ディフェクトを生成するように構成されることを特徴とする、
請求項1に記載の方法。 - 前記放射線源(18)は、前記分離面(8)を生成するために照射された前記レーザービームが、200μm未満の規定の深さに、前記固体物(2)内を貫通するように、構成されることを特徴とする、
請求項2に記載の方法。 - 前記放射線源(18)は、前記分離面(8)を生成するために照射された前記レーザービームが、100μmより大きい規定の深さに、前記固体物(2)内を貫通するように、構成されることを特徴とする、
請求項2に記載の方法。 - 前記固体物(2)は、該固体物(2)を保持するための保持層(12)に配置され、前記保持層(12)は、該固体物(2)の第1の面(14)に配置され、前記固体物(2)の第1の面(14)は、前記固体物(2)の第2の面(16)から隔離されており、且つ、前記分離面(8)は、前記第1の面(14)及び/又は前記第2の面(16)に対して平行に並べられることを特徴とする、
請求項1乃至4の何れかに記載の方法。 - 前記受容層は、ポリマー層(10)で形成され、前記ポリマー層及び/又は前記保持層(12)は、少なくとも部分的にPDMSで形成され、前記保持層(12)は、少なくとも部分的に少なくとも1つの金属からなる安定化装置の少なくとも部分的に平らな面に配置されることを特徴とする、
請求項5に記載の方法。 - 前記固体物(2)内の前記ストレスは、前記クラックの開始及び/又は前記クラックの伝播がクラック面に製造された表面の所定のトポグラフィを生成するように制御され得るように設定されることを特徴とする、
請求項1乃至6の何れかに記載の方法。 - 前記レーザーは、フェムト秒レーザーであることを特徴とする、
請求項1乃至7の何れかに記載の方法。 - 前記レーザーは、10psより小さいパルス幅を持つことを特徴とする、
請求項1乃至8の何れかに記載の方法。 - 前記レーザービームの波長は、前記固体物の吸収が10cm-1より小さくなるように選択されることを特徴とする、
請求項1乃至9の何れかに記載の方法。 - 個々の前記ディフェクトは、それぞれフェムト秒レーザーにより引き起こされた多光子励起に由来するものであることを特徴とする、
請求項1乃至10の何れかに記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013016666 | 2013-10-08 | ||
| DE102013016666.7 | 2013-10-08 | ||
| DE102014013107.6 | 2014-09-03 | ||
| DE201410013107 DE102014013107A1 (de) | 2013-10-08 | 2014-09-03 | Neuartiges Waferherstellungsverfahren |
| PCT/EP2014/071512 WO2015052220A1 (de) | 2013-10-08 | 2014-10-08 | Kombiniertes waferherstellungsverfahren mit laserbehandlung und temperaturinduzierten spannungen |
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| JP2017500725A JP2017500725A (ja) | 2017-01-05 |
| JP2017500725A5 JP2017500725A5 (ja) | 2019-06-13 |
| JP6899653B2 true JP6899653B2 (ja) | 2021-07-07 |
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| US (5) | US10312135B2 (ja) |
| EP (1) | EP3055098B1 (ja) |
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| KR (1) | KR102297306B1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102014013107A1 (de) | 2013-10-08 | 2015-04-09 | Siltectra Gmbh | Neuartiges Waferherstellungsverfahren |
| DE102015000449A1 (de) | 2015-01-15 | 2016-07-21 | Siltectra Gmbh | Festkörperteilung mittels Stoffumwandlung |
| DE102014014420A1 (de) | 2014-09-29 | 2016-04-14 | Siltectra Gmbh | Kombiniertes Waferherstellungsverfahren mit einer Mehrkomponentenaufnahmeschicht |
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| EP3055098A1 (de) | 2016-08-17 |
| US20210225694A1 (en) | 2021-07-22 |
| WO2015052220A1 (de) | 2015-04-16 |
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| US10312135B2 (en) | 2019-06-04 |
| JP2017500725A (ja) | 2017-01-05 |
| DE102014013107A1 (de) | 2015-04-09 |
| US20190237359A1 (en) | 2019-08-01 |
| US11004723B2 (en) | 2021-05-11 |
| EP3055098B1 (de) | 2018-09-26 |
| TW201901791A (zh) | 2019-01-01 |
| US20230307286A1 (en) | 2023-09-28 |
| CN105899325B (zh) | 2019-10-18 |
| KR102297306B1 (ko) | 2021-09-03 |
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