KR20110102501A - 반도체 재료들을 형성하는 에피택셜 방법들 및 구조들 - Google Patents
반도체 재료들을 형성하는 에피택셜 방법들 및 구조들 Download PDFInfo
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- KR20110102501A KR20110102501A KR1020117018170A KR20117018170A KR20110102501A KR 20110102501 A KR20110102501 A KR 20110102501A KR 1020117018170 A KR1020117018170 A KR 1020117018170A KR 20117018170 A KR20117018170 A KR 20117018170A KR 20110102501 A KR20110102501 A KR 20110102501A
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Abstract
Description
도 2a 내지 도 2g는 반도체 구조들에서 스트레인의 레벨을 감소시키기 위한 본 발명의 다른 실시예들을 개략적으로 나타내는 도면.
도 3a 내지 도 3e는 반도체 구조들에서 스트레인의 레벨을 감소시키기 위한 본 발명의 추가 실시예들을 개략적으로 나타내는 도면.
도 4a 내지 도 4e는 반도체 구조들에서 스트레인의 레벨을 감소시키기 위한 본 발명의 또 다른 실시예들을 개략적으로 나타내는 도면.
도 5는 본 발명의 실시예들을 이용하여 실현된 반도체 구조들로부터 생성된 전형적인 주사 전자 현미경(scanning electron microscopy; SEM)상을 나타낸 도면.
도 6a 내지 도 6c는 본 발명들의 실시예들을 이용하여 실현된 반도체 구조들로부터 생성된 전형적인 단면 투과 전자 현미경(cross section transmission electron microscopy; TEM)상들을 나타낸 도면.
Claims (18)
- 반도체 구조를 제조하는 방법에 있어서,
격자 부정합 베이스 기판 위에 특히 에피택셜 성장에 의해 제 1 재료 조성물을 갖는 복수의 무작위로 배열된 아일랜드 구조들을 형성하는 단계;
상기 아일랜드 구조들로부터 추가 성장(further growth)을 수행하는 단계로서, 상기 추가 성장의 조성물은 제 2 재료 조성물을 가지는, 상기 추가 성장을 수행하는 단계; 및
수직 성장층을 형성하기 위해 수직 성장(vertical growth)을 수행하는 단계를 포함하고, 상기 수직 성장층의 조성물은 제 3 재료 조성물을 갖는, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 무작위로 배열된 아일랜드 구조들은 스트레인 완화되는 영역들을 포함하고 추가 성장은 상기 아일랜드 구조들의 실질적으로 스트레인 완화된 부분들(strain relaxed portions)로부터 시작하는, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 아일랜드 구조들로부터의 상기 추가 성장은 횡방향 성장 영역들을 형성하는, 반도체 구조 제조 방법. - 제 3 항에 있어서,
상기 횡방향 성장은 실질적으로 상기 아일랜드 구조들의 상측 표면으로부터 또는 상기 아일랜드 구조들의 사이드 패싯들(side facets)로부터 시작하는, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 아일랜드 구조들로부터의 상기 추가 성장은 등방성 성장 영역들을 형성하는, 반도체 구조 제조 방법. - 제 5 항에 있어서,
상기 등방성 성장 영역들 또는 상기 수직 성장층은 화학 기계적 폴리싱 공정(chemical mechanic polishing process)에 의해 평탄화되는, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 아일랜드 구조들의 상기 상측 부분들이 마스킹 구조(masking structure)를 통해 노출되도록 상기 베이스 기판 위에 상기 마스킹 구조를 형성하는 단계를 더 포함하는, 반도체 구조 제조 방법. - 제 3 항에 있어서,
상기 횡방향 성장 영역들 두께는 상기 횡방향 성장 영역들의 임계 두께(critical thickness)로 또는 그 이하로 유지되는, 반도체 구조 제조 방법. - 제 3 항에 있어서,
상기 횡방향 성장 영역들은 실질적으로 연속하는 횡방향 성장층을 형성하기 위해 합체되는, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 제 1, 제 2 및 제 3 재료 조성물들은 InxGa1 - xN을 포함하고, 특히 상기 제 2 재료 조성물은 GaN을 포함하는, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 제 1 및 제 3 재료 조성물들은 실질적으로 동일한, 반도체 구조 제조 방법. - 제 1 항에 있어서,
상기 수직 성장층은 실질적으로 연속하는 스트레인 완화된 층을 포함하는, 반도체 구조 제조 방법. - 제 7 항에 있어서,
상기 마스킹 구조는 상기 아일랜드 구조들의 상기 상측 부분들을 노출시키기 위해 하나 이상의 유전체 재료들의 침착 후 후속 평탄화, 특히 화학 기계적 폴리싱 방법들 또는 플라즈마 에칭 방법들에 의해 형성되는, 반도체 구조 제조 방법. - 반도체 구조에 있어서,
격자 부정합 베이스 기판 상의 복수의 무작위로 배열된 아일랜드 구조들;
복수의 추가 성장 영역들; 및
수직 성장층을 포함하는, 반도체 구조. - 제 14 항에 있어서,
상기 무작위로 배열된 아일랜드 구조들은 실질적으로 스트레인 완화되는, 반도체 구조. - 제 14 항에 있어서,
상기 노출된 베이스 기판을 실질적으로 덮는 하나 이상의 유전체 마스킹 재료들을 더 포함하는, 반도체 구조. - 제 14 항에 있어서,
상기 추가 영역들은 임계 두께보다 얇은 두께들을 갖는 횡방향 성장 영역들을 포함하고, 상기 횡방향 성장 영역들은 임계 두께보다 얇은 두께를 갖는 실질적으로 연속하는 필름(film)을 형성하는, 반도체 구조. - 제 14 항에 있어서,
상기 수직 성장층은 x = 0.02보다 큰 인듐 조성을 갖는 InxGa1 - xN의 스트레인 완화된 실질적으로 연속하는 층을 포함하는, 반도체 구조.
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FR2968678B1 (fr) * | 2010-12-08 | 2015-11-20 | Soitec Silicon On Insulator | Procédés pour former des matériaux a base de nitrure du groupe iii et structures formées par ces procédés |
FR2988904B1 (fr) * | 2012-04-02 | 2015-01-16 | Commissariat Energie Atomique | Structure semiconductrice optoelectronique a nanofils et procede de fabrication d'une telle structure |
FR2992466A1 (fr) | 2012-06-22 | 2013-12-27 | Soitec Silicon On Insulator | Procede de realisation de contact pour led et structure resultante |
DE102013108848A1 (de) | 2013-08-15 | 2015-02-19 | Hettich-Heinze Gmbh & Co. Kg | Schiebetürbeschlag und Möbel |
JP6697909B2 (ja) * | 2016-03-15 | 2020-05-27 | エイブリック株式会社 | 半導体装置とその製造方法 |
JP6663259B2 (ja) * | 2016-03-15 | 2020-03-11 | エイブリック株式会社 | 半導体装置とその製造方法 |
CN111864020A (zh) * | 2020-07-24 | 2020-10-30 | 武汉大学 | 一种InGaN图形衬底模板及其制备方法和在红光Micro-LED芯片中的应用 |
TWI864562B (zh) * | 2022-01-27 | 2024-12-01 | 日商京瓷股份有限公司 | 半導體基板之製造方法及製造裝置、以及控制裝置 |
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