JP2017529696A - 導電性の多層基板スタックを製造するための方法 - Google Patents
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Abstract
Description
−可能な限り最小の面積での可能な限り大量の電流の形成、
−可能な限り最小限のコストでの大量生産、
−電流形成の長期間の安定性、
−特に接続箇所における、環境の影響に対する安定性、
−確実な電流形成。
−少なくとも部分的に導電性の誘電層を、半導体基板のうちの少なくとも1つの半導体基板の少なくとも1つの基板表面に設けるステップ、及び、
−半導体基板を別の半導体基板に接触接続させ、それらの半導体基板間に導電性の接続部を形成するステップ。
本方法の第1の実施の形態の第1のステップにおいては、電気的なナノ粒子が、接合されるべき基板の表面に施与され、特に太陽電池の表面に施与され、特に表面にのみ施与される。ナノ粒子を可能な限り良質に分散させるために、施与は有利には、スピンコーティングプロセス、有利にはスプレーコーティングプロセスによって塗布される溶液によって行われる。
・純金属、特に、
○Cu、Ag、Au、Al、Pt、Pb、Zn、Sn、W、Nb、Ta、Te及び/又はNb、
・合金、特に、
○青銅合金、有利にはCuSn、及び/又は
○黄銅合金、及び/又は
○金合金、及び/又は
○銅合金、特にCuAg、CuAg及び/又はCuAgSn。
2、2’、2’’ 基板
2o、2o’、2o’’ 基板表面
2u、2u’、2u’’ 基板表面
3、3’ 誘電層
4 ビア
5、5’、5’’ コンタクト箇所
6 ナノ粒子
p 半導体基板のp型ドープ層
n 半導体基板のn型ドープ層
D 平均直径
f 平均アライメント誤差
Claims (13)
- 波長感応性の半導体基板(2)と、少なくとも1つの別の波長感応性の半導体基板(2’、2’’)と、から成る多層基板スタックを製造するための方法において、
−少なくとも部分的に導電性の誘電層(3、3’)を、前記半導体基板(2、2’、2’’)のうちの少なくとも1つの半導体基板の少なくとも1つの基板表面(2o、2o’、2o’’、2u、2u’、2u’’)に設けるステップと、
−前記半導体基板(2)を前記別の半導体基板(2’、2’’)に接触接続させ、前記半導体基板(2、2’、2’’)間に導電性の接続部を形成するステップと、
を備えていることを特徴とする方法。 - 各半導体基板(2、2’、2’’)は、n型ドープ層及びp型ドープ層を有しており、隣接し合っている半導体基板(2、2’、2’’)は、それぞれ、n型ドープ層によって、隣接する半導体基板(2、2’、2’’)のp型ドープ層に接している、
請求項1に記載の方法。 - 前記誘電層(3、3’)を、ゾルゲルプロセスによって、マトリクス複合材料として形成し、特に、導電性の粒子が混合された、有利にはナノ粒子が混合されたセラミック層として、有利には酸化ケイ素層として形成する、
請求項1又は2に記載の方法。 - 前記誘電層(3、3’)を、ナノ粒子を少なくとも部分的に施与し、続いて、天然酸化物により前記誘電層(3、3’)を酸化させることによって形成する、
請求項1又は2に記載の方法。 - 前記半導体基板(2、2’、2’’)は、太陽電池として形成されている、
請求項1乃至4のいずれか1項に記載の方法。 - 前記半導体基板(2、2’、2’’)は、異なる波長領域において、特に少なくとも部分的に異なる波長領域において、有利には大部分が異なる波長領域において、更に有利には完全に異なる波長領域において、波長感応性に形成されている、
請求項1乃至5のいずれか1項に記載の方法。 - 前記誘電層(3、3’)を、それぞれ、対向する2つの基板表面(2o、2o’、2o’’、2u、2u’、2u’’)に設ける、
請求項1乃至6のいずれか1項に記載の方法。 - 前記半導体基板(2、2’、2’’)のアライメントを、特に純粋に機械的なアライメントを、光学手段を用いずに、及び/又は、前記半導体基板(2、2’、2’’)における光学的なアライメントマークを用いずに、前記接触接続前又は前記接触接続時に行う、
請求項1乃至7のいずれか1項に記載の方法。 - 前記半導体基板(2、2’、2’’)の前記接触接続後又は前記接触接続時に、前記半導体基板(2、2’、2’’)間の接合部を形成し、特に永続的な接合部を形成し、有利には直接接合部又はフュージョンボンディング部を形成する、
請求項1乃至8のいずれか1項に記載の方法。 - 前記半導体基板(2、2’、2’’)は、各半導体基板(2、2’、2’’)の、それぞれ相互に背中合わせに位置する基板表面(2o、2o’、2o’’、2u、2u’、2u’’)を導電的に接合させるための導電性のビア(4)を有している、
請求項1乃至9のいずれか1項に記載の方法。 - 前記誘電層(3、3’)を、部分的に、導電性のコンタクト箇所(5)を備えた前記ビア(4)にのみ形成する、
請求項10に記載の方法。 - 前記接触接続時に、平均アライメント誤差fと少なくとも同じ大きさの直径Dを有する、有利には平均アライメント誤差fよりも大きい直径Dを有するコンタクト箇所(5)を形成する、
請求項11に記載の方法。 - 半導体基板(2)、特に波長感応性の半導体基板(2)と、少なくとも1つの別の半導体基板(2’、2’’)、特に波長感応性の別の半導体基板(2’、2’’)と、から成り、
前記半導体基板(2、2’、2’’)のうちの少なくとも1つの半導体基板の少なくとも1つの基板表面(2o、2o’、2o’’、2u、2u’、2u’’)に、少なくとも部分的に導電性の誘電層(3、3’)を備えており、且つ、
前記半導体基板(2)と前記別の半導体基板(2’、2’’)との接触接続によって形成される、前記半導体基板(2、2’、2’’)間の導電性の接続部を備えていることを特徴とする、
多層基板スタック。
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DE102014112430.8A DE102014112430A1 (de) | 2014-08-29 | 2014-08-29 | Verfahren zur Herstellung eines leitenden Mehrfachsubstratstapels |
DE102014112430.8 | 2014-08-29 | ||
PCT/EP2015/064975 WO2016030053A1 (de) | 2014-08-29 | 2015-07-01 | Verfahren zur herstellung eines leitenden mehrfachsubstratstapels |
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JP6759464B2 (ja) * | 2018-03-20 | 2020-09-23 | 株式会社東芝 | 多接合型太陽電池モジュール及び太陽光発電システム |
CN112349801B (zh) * | 2020-10-16 | 2023-12-01 | 泰州隆基乐叶光伏科技有限公司 | 叠层电池的中间串联层及生产方法、叠层电池 |
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DE102014112430A1 (de) | 2016-03-03 |
AT520249A5 (de) | 2019-02-15 |
CN106796932A (zh) | 2017-05-31 |
US20170256663A1 (en) | 2017-09-07 |
US10243094B2 (en) | 2019-03-26 |
WO2016030053A1 (de) | 2016-03-03 |
AT520249B1 (de) | 2022-09-15 |
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