JP2007189201A - 窒化物半導体発光素子および窒化物半導体レーザ素子の製造方法 - Google Patents
窒化物半導体発光素子および窒化物半導体レーザ素子の製造方法 Download PDFInfo
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Abstract
【解決手段】光出射部にコート膜が形成されている窒化物半導体発光素子であって、光出射部は窒化物半導体からなり、光出射部に接するコート膜が酸窒化物からなる窒化物半導体発光素子である。また、共振器端面にコート膜が形成されている窒化物半導体レーザ素子を製造する方法であって、劈開により共振器端面を形成する工程と、共振器端面に酸窒化物からなるコート膜を形成する工程と、を含む、窒化物半導体レーザ素子の製造方法である。
【選択図】図1
Description
ここで、窒化物からなる膜がシリコンの窒化物からなる膜である場合には、そのシリコンの窒化物からなる膜の厚さは5nm以上であることが好ましい。
アルミニウムからなるターゲットが設置してある反応性スパッタリング装置の成膜室内に酸素ガスを導入し、マイクロ波を印加して、アルミニウムからなるターゲットを酸素プラズマに曝すことにより、アルミニウムからなるターゲットの表面から数nm程度酸化させ、酸化アルミニウムからなるターゲットを形成する。
その後、成膜室内に窒素ガスとアルゴンガスとを導入し、マイクロ波を印加してプラズマ状態にして、酸化アルミニウムからなるターゲットをスパッタリングすることにより、アルミニウムの酸窒化物を形成することが可能となる。
図1に、本実施の形態の窒化物半導体レーザ素子の好ましい一例の模式的な断面図を示す。ここで、本実施の形態の窒化物半導体レーザ素子100は、n型GaN基板101上に、n型AlGaInNバッファ層102、n型AlGaInNクラッド層103、n型AlGaInNガイド層104、AlGaInN多重量子井戸活性層105、p型AlGaInNガイド層106、p型AlGaInNクラッド層107およびp型AlGaInNコンタクト層108がn型GaN基板101側からこの順序で積層された構成を有している。なお、上記の各層の混晶比は適宜調節されるものであり、本発明の本質とは関係がない。また、本実施の形態の窒化物半導体レーザ素子から発振されるレーザ光の波長はAlGaInN多重量子井戸活性層105の混晶比によって、たとえば370nm〜470nmの範囲で適宜調節することができる。本実施の形態においては、405nmの波長のレーザ光が発振するように調節された。
本実施の形態の窒化物半導体レーザ素子は、光出射側の共振器端面に形成されるコート膜の構成および光反射側の共振器端面に形成される膜の構成を変更したこと以外は、実施の形態1の窒化物半導体レーザ素子と同様の構成を有している。
本実施の形態の窒化物半導体レーザ素子は、光出射側の共振器端面に形成されるコート膜の構成および光反射側の共振器端面に形成される膜の構成を変更したこと以外は、実施の形態1の窒化物半導体レーザ素子と同様の構成を有している。
本実施の形態の窒化物半導体レーザ素子は、光出射側の共振器端面に形成されるコート膜の構成および光反射側の共振器端面に形成される膜の構成を変更したこと以外は、実施の形態1の窒化物半導体レーザ素子と同様の構成を有している。
本実施の形態の窒化物半導体レーザ素子は、460nmの波長のレーザ光が発振するように調節されたこと、ならびに光出射側の共振器端面に形成されるコート膜の構成および光反射側の共振器端面に形成される膜の構成を変更したこと以外は、実施の形態1の窒化物半導体レーザ素子と同様の構成を有している。なお、発振されるレーザ光の波長は、AlGaInN多重量子井戸活性層のAlGaInNの混晶比を変更することで調節している。
本実施の形態の窒化物半導体レーザ素子は、光出射側の共振器端面に形成されるコート膜の構成および光反射側の共振器端面に形成される膜の構成を変更したこと以外は、実施の形態1の窒化物半導体レーザ素子と同様の構成を有している。
本実施の形態の窒化物半導体レーザ素子は、光出射側の共振器端面に形成されるコート膜の構成および光反射側の共振器端面に形成される膜の構成を変更したこと以外は、実施の形態1の窒化物半導体レーザ素子と同様の構成を有している。
Claims (15)
- 光出射部にコート膜が形成されている窒化物半導体発光素子であって、前記光出射部は窒化物半導体からなり、前記光出射部に接するコート膜が酸窒化物からなることを特徴とする、窒化物半導体発光素子。
- 前記窒化物半導体発光素子は窒化物半導体レーザ素子であって、前記光出射部は共振器端面であることを特徴とする、請求項1に記載の窒化物半導体発光素子。
- 前記酸窒化物は、アルミニウムの酸窒化物またはシリコンの酸窒化物であることを特徴とする、請求項1または2に記載の窒化物半導体発光素子。
- 前記酸窒化物中の酸素の含有量が2原子%以上35原子%以下であることを特徴とする、請求項1から3のいずれかに記載の窒化物半導体発光素子。
- 前記酸窒化物中の酸素の含有量が2原子%以上15原子%以下であることを特徴とする、請求項1から3のいずれかに記載の窒化物半導体発光素子。
- 前記コート膜上に酸化物または窒化物からなる膜が形成されていることを特徴とする、請求項1から5のいずれかに記載の窒化物半導体発光素子。
- 前記窒化物からなる膜がシリコンおよびアルミニウムの少なくとも一方の窒化物からなる膜であることを特徴とする、請求項6に記載の窒化物半導体発光素子。
- 前記窒化物からなる膜がシリコンの窒化物からなる膜であり、前記シリコンの窒化物からなる膜の厚さが5nm以上であることを特徴とする、請求項7に記載の窒化物半導体発光素子。
- 前記酸化物からなる膜が酸化アルミニウム、酸化シリコン、酸化チタン、酸化ハフニウム、酸化ジルコニウム、酸化ニオブ、酸化タンタルおよび酸化イットリウムからなる群から選択された少なくとも1種の膜であることを特徴とする、請求項6に記載の窒化物半導体発光素子。
- 前記コート膜上に酸窒化物からなる膜が形成されていることを特徴とする、請求項1に記載の窒化物半導体発光素子。
- 前記酸窒化物からなる膜がシリコンまたはアルミニウムの酸窒化物からなる膜であることを特徴とする、請求項10に記載の窒化物半導体発光素子。
- 前記コート膜上にフッ化マグネシウムからなる膜が形成されていることを特徴とする、請求項1に記載の窒化物半導体発光素子。
- 共振器端面にコート膜が形成されている窒化物半導体レーザ素子を製造する方法であって、劈開により前記共振器端面を形成する工程と、前記共振器端面に酸窒化物からなるコート膜を形成する工程と、を含む、窒化物半導体レーザ素子の製造方法。
- 前記酸窒化物は、ターゲットに酸化アルミニウムを用いて作製されたことを特徴とする請求項13に記載の窒化物半導体レーザ素子の製造方法。
- 前記酸窒化物は、ターゲットにアルミニウムの酸窒化物を用いて作製されたことを特徴とする請求項13に記載の窒化物半導体レーザ素子の製造方法。
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| JP2006320327A JP5191650B2 (ja) | 2005-12-16 | 2006-11-28 | 窒化物半導体発光素子および窒化物半導体発光素子の製造方法 |
| KR1020060122938A KR100829137B1 (ko) | 2005-12-16 | 2006-12-06 | 질화물반도체 발광 소자 및 질화물반도체 레이저 소자의제조 방법 |
| US11/638,582 US8368095B2 (en) | 2005-12-16 | 2006-12-14 | Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device |
| CN2010105102836A CN102005699A (zh) | 2005-12-16 | 2006-12-15 | 氮化物半导体发光元件及氮化物半导体激光元件的制造方法 |
| CN2011101196059A CN102231477A (zh) | 2005-12-16 | 2006-12-15 | 氮化物半导体发光元件及氮化物半导体激光元件的制造方法 |
| CN2006101717110A CN1983748B (zh) | 2005-12-16 | 2006-12-15 | 氮化物半导体发光元件及氮化物半导体激光元件的制造方法 |
| KR1020080007919A KR100868268B1 (ko) | 2005-12-16 | 2008-01-25 | 질화물반도체 발광 소자 및 질화물반도체 레이저 소자의제조 방법 |
| US12/153,756 US8735192B2 (en) | 2005-12-16 | 2008-05-23 | Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device |
| KR1020080050232A KR100898958B1 (ko) | 2005-12-16 | 2008-05-29 | 질화물반도체 발광 소자 및 질화물반도체 레이저 소자의제조 방법 |
| KR1020080108970A KR100924498B1 (ko) | 2005-12-16 | 2008-11-04 | 질화물반도체 발광 소자 및 질화물반도체 레이저 소자의 제조 방법 |
| KR1020080108978A KR100924500B1 (ko) | 2005-12-16 | 2008-11-04 | 질화물반도체 발광 소자 및 질화물반도체 레이저 소자의 제조 방법 |
| US12/382,530 US20090218593A1 (en) | 2005-12-16 | 2009-03-18 | Nitride semiconductor light emitting device and method of frabicating nitride semiconductor laser device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009194150A (ja) * | 2008-02-14 | 2009-08-27 | Sharp Corp | 窒化物半導体発光素子 |
| US7792172B2 (en) | 2007-10-04 | 2010-09-07 | Sharp Kabushiki Kaisha | Nitride semiconductor laser device |
| US7970035B2 (en) | 2008-03-19 | 2011-06-28 | Sharp Kabushiki Kaisha | Nitride semiconductor laser element and external-cavity semiconductor laser device |
| US8368098B2 (en) | 2007-06-05 | 2013-02-05 | Sharp Kabushiki Kaisha | Light emitting device and manufacturing method thereof |
| US8571083B2 (en) | 2009-06-11 | 2013-10-29 | Sharp Kabushiki Kaisha | Nitride semiconductor laser chip |
| WO2018139528A1 (ja) * | 2017-01-26 | 2018-08-02 | 株式会社 アルバック | 酸化アルミニウム膜の形成方法 |
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| US7707603B2 (en) * | 2005-01-28 | 2010-04-27 | Microsoft Corporation | Digital media transfer based on user behavior |
| JP5191650B2 (ja) * | 2005-12-16 | 2013-05-08 | シャープ株式会社 | 窒化物半導体発光素子および窒化物半導体発光素子の製造方法 |
| KR100853241B1 (ko) * | 2005-12-16 | 2008-08-20 | 샤프 가부시키가이샤 | 질화물 반도체 발광소자 및 질화물 반도체 레이저 소자의제조방법 |
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- 2008-05-29 KR KR1020080050232A patent/KR100898958B1/ko active Active
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| US8368098B2 (en) | 2007-06-05 | 2013-02-05 | Sharp Kabushiki Kaisha | Light emitting device and manufacturing method thereof |
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| US7970035B2 (en) | 2008-03-19 | 2011-06-28 | Sharp Kabushiki Kaisha | Nitride semiconductor laser element and external-cavity semiconductor laser device |
| US8571083B2 (en) | 2009-06-11 | 2013-10-29 | Sharp Kabushiki Kaisha | Nitride semiconductor laser chip |
| WO2018139528A1 (ja) * | 2017-01-26 | 2018-08-02 | 株式会社 アルバック | 酸化アルミニウム膜の形成方法 |
| CN109154075A (zh) * | 2017-01-26 | 2019-01-04 | 株式会社爱发科 | 氧化铝膜的形成方法 |
| JPWO2018139528A1 (ja) * | 2017-01-26 | 2019-03-22 | 株式会社アルバック | 酸化アルミニウム膜の形成方法 |
| CN109154075B (zh) * | 2017-01-26 | 2020-11-24 | 株式会社爱发科 | 氧化铝膜的形成方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080291961A1 (en) | 2008-11-27 |
| KR20080066640A (ko) | 2008-07-16 |
| KR100924498B1 (ko) | 2009-11-03 |
| US20070138492A1 (en) | 2007-06-21 |
| US8735192B2 (en) | 2014-05-27 |
| CN102231477A (zh) | 2011-11-02 |
| KR100924500B1 (ko) | 2009-11-02 |
| US20090218593A1 (en) | 2009-09-03 |
| JP5191650B2 (ja) | 2013-05-08 |
| KR100868268B1 (ko) | 2008-11-11 |
| CN1983748B (zh) | 2011-06-22 |
| US8368095B2 (en) | 2013-02-05 |
| KR100898958B1 (ko) | 2009-05-25 |
| KR20080103943A (ko) | 2008-11-28 |
| KR100829137B1 (ko) | 2008-05-14 |
| KR20080016908A (ko) | 2008-02-22 |
| KR20070064387A (ko) | 2007-06-20 |
| CN1983748A (zh) | 2007-06-20 |
| KR20080103942A (ko) | 2008-11-28 |
| CN102005699A (zh) | 2011-04-06 |
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