KR101189399B1 - 질화물 반도체 발광소자 및 그 제조 방법 - Google Patents
질화물 반도체 발광소자 및 그 제조 방법 Download PDFInfo
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- KR101189399B1 KR101189399B1 KR1020060016471A KR20060016471A KR101189399B1 KR 101189399 B1 KR101189399 B1 KR 101189399B1 KR 1020060016471 A KR1020060016471 A KR 1020060016471A KR 20060016471 A KR20060016471 A KR 20060016471A KR 101189399 B1 KR101189399 B1 KR 101189399B1
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- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
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Abstract
Description
Claims (13)
- 합금 금속으로 성장된 버퍼층;상기 버퍼층 위에 형성된 제 1도전형 반도체층;상기 제 1도전형 반도체층 위에 형성된 활성층; 및상기 활성층 위에 형성된 제 2도전형 반도체층을 포함하고,상기 버퍼층의 합금 금속은 Fe-Si을 포함하는 합금, Co-Si을 포함하는 합금 및 Ni-Si을 포함하는 합금 중 어느 하나인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 제 2도전형 반도체층 위에 n형 질화물 반도체층으로 형성되는 제 3도전형 질화물층을 더 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 버퍼층의 합금 금속은 Fe-Si-B 합금, Co-Si-B 합금 및 Ni-Si-B 합금 중 어느 하나인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 3항에 있어서,상기 Fe-Si-B 합금은 73.5%의 Fe, 20.5%의 Si, 및 6%의 B로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 버퍼층의 저면에 n형 전극이 형성되고,상기 제 2도전형 반도체층 상에는 p형 전극이 형성되는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 1항에 있어서,상기 제 2도전형 반도체층에 p형 전극이 형성되고,상기 제 2도전형 반도체층 및 활성층의 부분 식각으로 노출된 제 1도전형 반도체층에 n형 전극이 형성되는 것을 특징으로 하는 질화물 반도체 발광소자.
- 기판 상에 합금 금속으로 버퍼층을 형성하는 단계;상기 버퍼층 위에 제 1도전형 반도체층을 형성하는 단계;상기 제 1도전형 반도체층 위에 활성층을 형성하는 단계;상기 활성층 위에 제 2도전형 반도체층을 형성하는 단계를 포함하고,상기 버퍼층의 합금 금속은 Fe-Si을 포함하는 합금, Co-Si을 포함하는 합금 및 Ni-Si을 포함하는 합금 중 어느 하나인 것을 특징으로 하는 질화물 반도체 발광소자 제조방법.
- 제 7항에 있어서,상기 버퍼층 형성단계는상기 기판상에 합금 금속박(hoil)을 구비하는 구비단계; 및 기판 상에서 상 기 구비된 합금 금속박을 400 내지 700 ℃의 분위기 온도에서 어닐링 처리를 하는 단계를 포함하는 것을 특징으로 하는 질화물 반도체 발광소자 제조방법.
- 제 7항에 있어서,상기 버퍼층 형성단계는상기 기판상에 합금 금속을 스퍼터링 방법으로 증착하여 비정질 버퍼층으로 형성하는 단계; 및 상기 합금 금속을 구비한 상기 기판을 400 내지 700℃의 분위기 온도에서 어닐링 처리를 하는 단계를 포함하는 질화물 반도체 발광소자 제조방법.
- 제 7항에 있어서,상기 버퍼층의 합금 금속은 Fe-Si-B 합금, Co-Si-B 합금 및 Ni-Si-B 합금 중 어느 하나인 것을 특징으로 하는 질화물 반도체 발광소자 제조방법.
- 제 7항에 있어서,상기 제 2도전형 반도체층 및 활성층을 부분 식각하여 제 1도전형 반도체층을 노출시키는 단계; 상기 제 2도전형 반도체층 상에 p형 전극, 상기 제 1도전형 반도체층 상에 n형 전극을 각각 형성하는 단계를 더 포함하는 질화물 반도체 발광소자 제조방법.
- 제 7항에 있어서,상기 기판을 버퍼층으로부터 제거하는 단계; 상기 제 2도전형 반도체층 상에 p형 전극, 상기 버퍼층의 저면에 n형 전극을 각각 형성하는 단계를 더 포함하는 질화물 반도체 발광소자 제조방법.
- 제 10항에 있어서,상기 Fe-Si-B 합금은 73.5%의 Fe, 20.5%의 Si, 및 6%의 B로 이루어진 것을 특징으로 하는 질화물 반도체 발광소자 제조방법.
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KR1020060016471A KR101189399B1 (ko) | 2006-02-20 | 2006-02-20 | 질화물 반도체 발광소자 및 그 제조 방법 |
US11/707,924 US7868350B2 (en) | 2006-02-20 | 2007-02-20 | Nitride semiconductor light-emitting device and method for manufacturing the same |
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US7683398B2 (en) * | 2007-03-02 | 2010-03-23 | Mitsubishi Electric Corporation | Nitride semiconductor device having a silicon-containing connection layer and manufacturing method thereof |
US9312436B2 (en) * | 2011-05-16 | 2016-04-12 | Kabushiki Kaisha Toshiba | Nitride semiconductor device, nitride semiconductor wafer, and method for manufacturing nitride semiconductor layer |
KR101262725B1 (ko) * | 2011-08-08 | 2013-05-09 | 일진엘이디(주) | 누설전류 차단 효과가 우수한 질화물 반도체 발광소자 및 그 제조 방법 |
US20180053662A1 (en) * | 2016-08-17 | 2018-02-22 | Globalfoundries Inc. | Texturing of silicon surface with direct-self assembly patterning |
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EP0307109A1 (en) * | 1987-08-24 | 1989-03-15 | Canon Kabushiki Kaisha | Method for forming semiconductor crystal and semiconductor crystal article obtained by said method |
US5937274A (en) * | 1995-01-31 | 1999-08-10 | Hitachi, Ltd. | Fabrication method for AlGaIn NPAsSb based devices |
US6051847A (en) * | 1997-05-21 | 2000-04-18 | Matsushita Electric Industrial Co., Ltd. | Gallium nitride compound-based semiconductor light emitting device and process for producing gallium nitride compound-based semiconductor thin film |
US6287882B1 (en) * | 1999-10-04 | 2001-09-11 | Visual Photonics Epitaxy Co., Ltd. | Light emitting diode with a metal-coated reflective permanent substrate and the method for manufacturing the same |
US6787814B2 (en) * | 2000-06-22 | 2004-09-07 | Showa Denko Kabushiki Kaisha | Group-III nitride semiconductor light-emitting device and production method thereof |
US6835962B2 (en) * | 2001-08-01 | 2004-12-28 | Showa Denko Kabushiki Kaisha | Stacked layer structure, light-emitting device, lamp, and light source unit |
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