JP5612771B2 - 光学的コーティングの部分的なリフトオフによる光起電力デバイスの細かいラインのメタライゼーション - Google Patents
光学的コーティングの部分的なリフトオフによる光起電力デバイスの細かいラインのメタライゼーション Download PDFInfo
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Description
本願は、参照によって全体が本明細書に組み込まれている、2010年9月3日出願の米国特許仮出願第61/379,810号明細書の利益を主張するものである。
Claims (17)
- 導電性コンタクトを必要とする太陽電池層の上に、金属格子コンタクトおよび誘電体パターンを形成する方法であって、
前記層の上に金属薄膜を形成するステップと、
前記金属薄膜の上にエッチレジストパターンを形成するステップと、
前記金属薄膜をエッチングすることによって、前記エッチレジストパターンおよび前記エッチレジストパターンの下の金属格子コンタクトパターンをそのまま残すと同時に、前記層の他の部分を露出させるステップと、
前記エッチレジストパターンおよび前記層の前記露出した部分の上に誘電体層を形成するステップと、
前記エッチレジストパターンおよび前記エッチレジストパターンの上の前記誘電体を除去することによって、導電性コンタクトを必要とする前記層の上に、実質的に同一平面上にある金属格子コンタクトおよび誘電体パターンを残すステップと
を含むことを特徴とする方法。 - 前記金属格子コンタクトパターンは、前記太陽電池の前方および/または後方のコンタクト電極を形成することを特徴とする請求項1に記載の方法。
- 前記誘電体層は、前記太陽電池の光学的な反射防止層または光学的な反射層であることを特徴とする請求項2に記載の方法。
- 導電性コンタクトを必要とする前記層は、それ自体のパッシベーションをもたらす多機能層であり、パッシベーションが前記誘電体層で実質的に必要とされないようになっていることを特徴とする請求項3に記載の方法。
- 前記エッチレジストパターンを直接書き込み、in−situで硬化させるステップ
をさらに含むことを特徴とする請求項1に記載の方法。 - 前記直接書き込むステップは、インクジェットまたはスクリーン印刷を含むことを特徴とする請求項5に記載の方法。
- 前記除去ステップは、レーザを用いて前記誘電体内に選択的に孔をあけることによって、前記エッチレジストパターンの前記除去ステップを容易にすること含むことを特徴とする請求項1に記載の方法。
- 前記エッチレジストパターンおよび前記誘電体層のin−situでの熱処理を用いて、孔、亀裂および/または他の欠陥を形成し、それによって、前記エッチレジストパターンの前記除去ステップを容易にするステップをさらに含むことを特徴とする請求項1に記載の方法。
- 前記エッチレジストパターンを、前記エッチレジストパターン材料に吸収される液体に曝すことによって膨張させて、前記パターン材料の体積および面積を増大させることによって前記誘電体層を通る開口部を壊すように作用させることで、前記エッチレジストパターンの前記除去ステップを容易にすることを特徴とする請求項1に記載の方法。
- 前記除去ステップは、前記エッチレジストパターン材料の体積膨張、ならびに後続のマスキング材料および前記誘電体層の除去を含むことを特徴とする請求項1に記載の方法。
- 導電性コンタクトを必要とする層の上に、金属格子コンタクトおよび誘電体パターンを形成する方法であって、
導電性コンタクトを必要とする前記層の上にエッチレジストパターンを形成すると同時に、前記層の他の部分を露出させるステップと、
前記エッチレジストパターンおよび前記層の前記露出した部分の上に誘電体層を形成するステップと、
前記エッチレジストパターンおよび前記エッチレジストパターンの上の前記誘電体を除去することによって、導電性コンタクトを必要とする前記層の上に、前記エッチレジストパターンに対応する同一平面上にあるギャップを有する、実質的に同一平面上にある誘電体パターンを残すステップと、
前記ギャップを金属で充填することによって、導電性コンタクトを必要とする前記層の上に金属格子コンタクトおよび誘電体パターンを残すステップと
を含むことを特徴とする方法。 - 前記金属格子コンタクトパターンは、太陽電池の前方および/または後方のコンタクト電極を形成することを特徴とする請求項11に記載の方法。
- 前記誘電体層は、前記太陽電池の光学的な反射防止層または光学的な反射層であることを特徴とする請求項12に記載の方法。
- 導電性コンタクトを必要とする前記層は、それ自体のパッシベーションをもたらす多機能層であり、パッシベーションが前記誘電体層で実質的に必要とされないようになっていることを特徴とする請求項13に記載の方法。
- 前記エッチレジストパターンを直接書き込み、in−situで硬化させるステップ
をさらに含むことを特徴とする請求項11に記載の方法。 - 前記直接書き込むステップは、インクジェットまたはスクリーン印刷を含むことを特徴とする請求項15に記載の方法。
- 導電性コンタクトを必要とする太陽電池層の上に、金属格子コンタクトおよび誘電体パターンを形成する方法であって、塗布されたレジストパターンは、金属エッチング用のマスクとして、および後で堆積させる誘電体のリフトオフ用の自己整合マスクとして働き、前記方法は、前記層の上に金属薄膜を堆積させるステップと、前記金属薄膜の上にレジストパターンを堆積させるステップと、前記レジストパターンに従って前記金属薄膜をエッチングするステップと、前記層および前記レジストの頂部に誘電体を堆積させるステップと、前記レジストおよび前記レジストの上にある前記誘電体を除去して、導電性コンタクトを必要とする前記層の上に、実質的に同一平面にある金属格子コンタクトおよび誘電体パターンを残すステップとを含むことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37981010P | 2010-09-03 | 2010-09-03 | |
US61/379,810 | 2010-09-03 | ||
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JP2016040846A (ja) | 2016-03-24 |
CN102576767B (zh) | 2016-02-10 |
EP2612366A4 (en) | 2017-11-22 |
CN105609587A (zh) | 2016-05-25 |
JP2015038992A (ja) | 2015-02-26 |
JP6091587B2 (ja) | 2017-03-08 |
KR101835293B1 (ko) | 2018-03-06 |
TW201622165A (zh) | 2016-06-16 |
US8236604B2 (en) | 2012-08-07 |
HK1173556A1 (zh) | 2013-05-16 |
TW201216492A (en) | 2012-04-16 |
TWI529953B (zh) | 2016-04-11 |
US20110132443A1 (en) | 2011-06-09 |
CN102576767A (zh) | 2012-07-11 |
WO2012030407A1 (en) | 2012-03-08 |
CN105609587B (zh) | 2017-12-22 |
JP5844443B2 (ja) | 2016-01-20 |
CA2763142A1 (en) | 2012-03-03 |
AU2011282499B2 (en) | 2014-06-19 |
JP2013541835A (ja) | 2013-11-14 |
EP2612366A1 (en) | 2013-07-10 |
AU2014224095A1 (en) | 2014-10-02 |
KR20130108496A (ko) | 2013-10-04 |
AU2011282499A1 (en) | 2012-03-22 |
AU2014224095B2 (en) | 2016-11-17 |
KR20170070284A (ko) | 2017-06-21 |
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