JP2019505995A - 埋め込みミラーを有する加工基板 - Google Patents
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Abstract
Description
Claims (13)
- 太陽電池の成長のために第1の半導体材料から作られたシード層(3)と、
前記シード層(3)上の第1のボンディング層(4A)と、
第2の半導体材料から作られた支持基板(5)と、
前記支持基板(5)の第1の面上の第2のボンディング層(4B)と、
前記第1及び第2のボンディング層(4A、4B)の間のボンディング界面(4)と
を備える加工基板(101、103)であって、
前記第1及び第2のボンディング層(4A、4B)が金属材料から各々作られており、
前記半導体材料のドーピング濃度及び前記加工基板(101、103)の前記複数の層、特に前記シード層、前記支持基板、及び前記第1と第2のボンディング層の両方の厚さは、前記シード層(3)の吸収が20%未満、好ましくは10%未満であるように、かつ前記加工基板(101、103)の総計の面積で規格化した直列抵抗が10mOhm・cm2未満、好ましくは5mOhm・cm2未満であるように選択される、加工基板(101、103)。 - 前記シード層(3)のドーピング濃度が5×1017at/cm3未満である、請求項1に記載の加工基板(101、103)。
- 前記シード層(3)の厚さが150nm〜1μmの範囲内である、請求項1又は2に記載の加工基板(101、103)。
- 前記支持基板(5)の厚さが100μm〜500μmに至るまでの範囲内であり、前記支持基板(5)のドーピング濃度が1014〜5×1017at/cm3の範囲内である、請求項1〜3のうちの少なくとも一項に記載の加工基板(101、103)。
- 前記第1及び第2のボンディング層(4A、4B)の前記金属材料が、TiNとともにW又はTiのうちの一方である、請求項1に記載の加工基板(101、103)。
- 前記第1の半導体材料が5.8〜6Å(0.58nm〜0.6nm)の範囲内の格子定数を有する、請求項1〜5のうちの少なくとも一項に記載の加工基板(101、103)。
- 前記第1の半導体材料がInPである又は前記第1の半導体材料が三元系若しくは四元系若しくは五元系III−V材料、例えば、InGaAs若しくはInGaAsPであり、前記第2の半導体材料がGaAs又はGeの中から選択される、請求項1〜6のうちの少なくとも一項に記載の加工基板(101、103)。
- 前記第1の面とは反対側を向いた前記支持基板(5)の第2の面に設けられた金属コンタクト(11)をさらに備える、請求項1に記載の加工基板(101、103)。
- 請求項1〜8のうちの少なくとも一項に記載の加工基板(101、103)を備える光検出又は変換デバイス、特に太陽電池。
- 加工基板(101、103)を製造する方法であって、
第1の基板(1)を用意するステップと、
前記第1の基板の第1の面にシード層(3)を設けるステップと、
前記シード層(3)上に金属材料の第1のボンディング層(4A)を形成するステップと、
支持基板(5)を用意するステップと、
前記支持基板(5)上に金属材料の第2のボンディング層(4B)を形成するステップと、
前記第1及び第2のボンディング層(4A、4B)を直接ボンディングするステップと、次いで
前記第1の基板(1)を除去するステップと
を含み、
前記第1及び第2のボンディング層(4A、4B)が金属材料から各々作られており、
前記半導体材料のドーピング濃度及び前記加工基板(101、103)の前記複数の層の厚さは、前記シード層(3)の吸収が20%未満、好ましくは10%未満であるように、かつ前記加工基板(101、103)の総計の面積で規格化した直列抵抗が10mOhm・cm2未満、好ましくは5mOhm・cm2未満であるように選択される、方法。 - 前記シード層(3)を設けるステップが、エピタキシャル成長により実現される、請求項10に記載の方法。
- 前記第1及び第2のボンディング層(4A、4B)を直接ボンディングするステップの前に、前記第1の基板(1)又は前記シード層(3)の一部に弱化層(2)を形成するためのイオン注入ステップと、前記第1及び第2のボンディング層(4A、4B)を直接ボンディングするステップの後で、前記第1の基板(1)又は前記第1の基板(1)上に設けられた前記シード層(3)の残りの部分を分離する切り離しステップとをさらに含む、請求項10又は11に記載の方法。
- 前記第1の面とは反対側を向いた前記支持基板(5)の第2の面に金属コンタクト(11)を設けるステップをさらに含む、請求項10〜12のいずれか一項に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1650859 | 2016-02-03 | ||
| FR1650859A FR3047350B1 (fr) | 2016-02-03 | 2016-02-03 | Substrat avance a miroir integre |
| PCT/EP2017/051751 WO2017133976A1 (en) | 2016-02-03 | 2017-01-27 | Engineered substrate with embedded mirror |
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| Publication Number | Publication Date |
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| JP2019505995A true JP2019505995A (ja) | 2019-02-28 |
| JP6769013B2 JP6769013B2 (ja) | 2020-10-14 |
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| Country | Link |
|---|---|
| US (1) | US11251321B2 (ja) |
| EP (1) | EP3411908B1 (ja) |
| JP (1) | JP6769013B2 (ja) |
| CN (1) | CN108604613B (ja) |
| FR (1) | FR3047350B1 (ja) |
| WO (1) | WO2017133976A1 (ja) |
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| CN111554763B (zh) * | 2020-04-01 | 2023-06-09 | 南开大学 | 一种高开压高效钙钛矿/晶硅叠层电池 |
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| TW200707799A (en) * | 2005-04-21 | 2007-02-16 | Aonex Technologies Inc | Bonded intermediate substrate and method of making same |
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| CN101656275B (zh) * | 2009-09-08 | 2012-01-04 | 厦门市三安光电科技有限公司 | 一种倒装型多结化合物太阳电池芯片的制备方法 |
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- 2017-01-27 CN CN201780009220.2A patent/CN108604613B/zh active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6769013B2 (ja) | 2020-10-14 |
| FR3047350A1 (ja) | 2017-08-04 |
| CN108604613B (zh) | 2022-10-14 |
| US20210193853A1 (en) | 2021-06-24 |
| EP3411908B1 (en) | 2020-03-18 |
| EP3411908A1 (en) | 2018-12-12 |
| CN108604613A (zh) | 2018-09-28 |
| FR3047350B1 (fr) | 2018-03-09 |
| US11251321B2 (en) | 2022-02-15 |
| WO2017133976A1 (en) | 2017-08-10 |
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