JP2013510432A - 太陽電池製造用の自己位置合わせマスキング - Google Patents
太陽電池製造用の自己位置合わせマスキング Download PDFInfo
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Abstract
【選択図】 図1B
Description
Claims (20)
- 結晶質の基板に対してパターニング注入処理を実行する方法であって、
前記基板の結晶質部分を残しつつ前記基板のアモルファス部分を形成する第1のパターニング注入処理を実行する段階と、
前記アモルファス部分と前記結晶質部分との間の物理的特性または化学的特性の差異を利用して、前記結晶質部分または前記アモルファス部分のうち一方の上方にマスクを形成する段階と、
前記差異に基づいて形成された前記マスクを用いて、第2のパターニング注入処理を実行して前記マスクが被覆していない領域に対して注入処理を実行する段階と
を備える方法。 - 結晶質の基板に対してパターニング注入処理を実行する方法であって、
前記基板の結晶質部分を残しつつ前記基板のアモルファス部分を形成する第1のパターニング注入処理を実行する段階と、
前記基板の表面にフォトレジストを塗布する段階と、
前記フォトレジストを硬化させるには不十分なレベルである所定の強度レベルで所定の周波数範囲の光を前記表面に照射する段階と、
前記基板の反射率を利用して照射された前記光を増強する段階と
備え、
前記アモルファス部分が反射する光の量は前記結晶質部分が反射する光の量よりも多く、
前記アモルファス部分および前記結晶質部分のうち一方が反射する光の量は、前記照射された光と合計されると、前記フォトレジストを硬化させることが可能であり、
前記アモルファス部分および前記結晶質部分のうち他方が反射する光の量は、前記照射された光と合計されても、前記フォトレジストを硬化させることが不可能であり、
前記方法はさらに、
硬化しなかったフォトレジストを除去する段階と、
第2の注入処理を前記基板に実行する段階と
を備え、
前記フォトレジストが前記アモルファス部分または前記結晶質部分のうち一方を前記第2の注入処理から保護するべくマスキングしている方法。 - 前記フォトレジストは、ポジ型フォトレジストを含み、前記ポジ型フォトレジストは、前記第2の注入処理から保護するべく前記アモルファス部分をマスキングする請求項2に記載する方法。
- 前記フォトレジストは、ネガ型のフォトレジストを含み、前記ネガ型のフォトレジストは、前記第2の注入処理から保護するべく前記結晶質部分をマスキングする請求項2に記載する方法。
- 前記フォトレジストは、前記表面に照射される前記光の前記所定の周波数範囲に関連して決まる厚みで塗布される請求項2に記載する方法。
- 前記フォトレジストは、80nmと500nmとの間の厚みで塗布される請求項2に記載する方法。
- 前記所定の周波数範囲は、100nmから2000nmを含む請求項2に記載する方法。
- 前記フォトレジストは、光によって特性が変化し、H線、I線、広帯域、遠紫外光、または、任意の光活性を持つ膜から成る群から選択される請求項2に記載する方法。
- 結晶質の基板に対してパターニング注入処理を実行する方法であって、
前記基板の結晶質部分を残しつつ前記基板のアモルファス部分を形成する第1のパターニング注入処理を実行する段階と、
前記基板の表面に熱ポリマーを塗布する段階と、
所定の強度レベルで所定の周波数範囲の光を前記基板に照射して前記基板を加熱する段階と、
前記基板によるエネルギー吸収を利用して前記ポリマーを加熱する段階と、
を備え、
前記アモルファス部分のエネルギー吸収は、前記結晶質部分のエネルギー吸収よりも多く、前記アモルファス部分は前記熱ポリマーを硬化させるのに十分なレベルまで加熱されるが、前記結晶質部分のエネルギー吸収は前記熱ポリマーを硬化させるのには不十分であり、
前記方法はさらに、
硬化しなかった前記熱ポリマーを除去する段階と、
前記基板を第2の注入処理に暴露する段階と
を備え、
前記熱ポリマーは、前記第2の注入処理から保護するべく前記アモルファス部分をマスキングしている方法。 - 前記熱ポリマーは、100nmと50μmとの間の厚みで塗布される請求項9に記載の方法。
- 前記所定の周波数範囲は赤外光を含む請求項9に記載の方法。
- 前記熱ポリマーは、ポリアミドおよびメラミンホルムアルデヒドから成る群から選択される請求項9に記載の方法。
- 前記光は、前記基板の前記表面に塗布される請求項9に記載の方法。
- 前記基板は、前記表面の反対側に裏面を持ち、前記光は前記基板の前記裏面に照射される請求項9に記載の方法。
- 結晶質の基板に対してパターニング注入処理を実行する方法であって、
前記基板の結晶質部分を残しつつ前記基板のアモルファス部分を形成する第1のパターニング注入処理を実行する段階と、
前記基板の表面上に所与の材料を、前記アモルファス部分上と前記結晶質部分上とでは異なる速度で、成膜または成長させる段階と、
前記アモルファス部分および前記結晶質部分から前記材料を同じ厚みだけ除去して、前記アモルファス部分または前記結晶質部分のうち一方からは前記材料を除去するが、前記アモルファス部分または前記結晶質部分のうち他方を含む第2の部分上では前記材料が残った状態にする段階と、
前記基板を第2の注入処理に暴露する段階と
を備え、
前記材料は、前記第2の注入処理から保護するべく前記第2の部分をマスキングしている方法。 - 前記材料は、酸化物を含み、前記第2の部分は、前記アモルファス部分を含む請求項15に記載の方法。
- 前記材料は、エッチングプロセスを用いて除去される請求項15に記載の方法。
- 結晶質の基板に対してパターニング注入処理を実行する方法であって、
前記基板の表面上に膜を成膜または成長させる段階と、
前記膜を通過して前記基板に進入するのに十分であり、暴露される前記膜の化学構造を変化させるのに十分であり、前記膜に変化部分および未変化部分を形成する第1のパターニング注入処理を実行する段階と
前記表面から前記膜の前記変化部分または前記未変化部分の一方を除去する段階と、
前記基板を第2の注入処理に暴露する段階と
を備え、
前記膜の残り部分は、前記第2の注入処理から保護するべく前記基板の一部分をマスキングしている方法。 - 前記第2の注入処理は、前記第1のパターニング注入処理よりも低いエネルギーで実行される請求項18に記載の方法。
- 前記膜は、エッチングプロセスを用いて除去される請求項18に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US25799409P | 2009-11-04 | 2009-11-04 | |
US61/257,994 | 2009-11-04 | ||
US12/916,993 | 2010-11-01 | ||
US12/916,993 US8465909B2 (en) | 2009-11-04 | 2010-11-01 | Self-aligned masking for solar cell manufacture |
PCT/US2010/055105 WO2011056786A1 (en) | 2009-11-04 | 2010-11-02 | Self-aligned masking for solar cell manufacture |
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JP2013510432A true JP2013510432A (ja) | 2013-03-21 |
JP5578533B2 JP5578533B2 (ja) | 2014-08-27 |
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US (1) | US8465909B2 (ja) |
EP (1) | EP2497106A1 (ja) |
JP (1) | JP5578533B2 (ja) |
KR (1) | KR20120095410A (ja) |
CN (1) | CN102668038B (ja) |
TW (1) | TW201137948A (ja) |
WO (1) | WO2011056786A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016541106A (ja) * | 2013-12-09 | 2016-12-28 | サンパワー コーポレイション | 自己整合注入及びキャッピングを用いた太陽電池エミッタ領域の製造 |
JP2017504950A (ja) * | 2013-12-09 | 2017-02-09 | サンパワー コーポレイション | イオン注入を使用した太陽電池エミッタ領域製造 |
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KR20110089497A (ko) * | 2010-02-01 | 2011-08-09 | 삼성전자주식회사 | 기판에의 불순물 도핑 방법, 이를 이용한 태양 전지의 제조 방법 및 이를 이용하여 제조된 태양 전지 |
US8110431B2 (en) | 2010-06-03 | 2012-02-07 | Suniva, Inc. | Ion implanted selective emitter solar cells with in situ surface passivation |
US8071418B2 (en) * | 2010-06-03 | 2011-12-06 | Suniva, Inc. | Selective emitter solar cells formed by a hybrid diffusion and ion implantation process |
US20110139231A1 (en) * | 2010-08-25 | 2011-06-16 | Daniel Meier | Back junction solar cell with selective front surface field |
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- 2010-11-02 JP JP2012537190A patent/JP5578533B2/ja not_active Expired - Fee Related
- 2010-11-02 KR KR1020127014106A patent/KR20120095410A/ko not_active Application Discontinuation
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- 2010-11-02 WO PCT/US2010/055105 patent/WO2011056786A1/en active Application Filing
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JP2017504950A (ja) * | 2013-12-09 | 2017-02-09 | サンパワー コーポレイション | イオン注入を使用した太陽電池エミッタ領域製造 |
Also Published As
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WO2011056786A1 (en) | 2011-05-12 |
US8465909B2 (en) | 2013-06-18 |
CN102668038A (zh) | 2012-09-12 |
KR20120095410A (ko) | 2012-08-28 |
CN102668038B (zh) | 2014-12-24 |
JP5578533B2 (ja) | 2014-08-27 |
US20110104618A1 (en) | 2011-05-05 |
TW201137948A (en) | 2011-11-01 |
EP2497106A1 (en) | 2012-09-12 |
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