JP5497301B2 - 半導体発光素子及びその製造方法 - Google Patents
半導体発光素子及びその製造方法 Download PDFInfo
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- JP5497301B2 JP5497301B2 JP2009018586A JP2009018586A JP5497301B2 JP 5497301 B2 JP5497301 B2 JP 5497301B2 JP 2009018586 A JP2009018586 A JP 2009018586A JP 2009018586 A JP2009018586 A JP 2009018586A JP 5497301 B2 JP5497301 B2 JP 5497301B2
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- semiconductor
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- 239000004065 semiconductor Substances 0.000 title claims description 115
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 72
- 239000001301 oxygen Substances 0.000 claims description 72
- 229910052760 oxygen Inorganic materials 0.000 claims description 72
- 238000010891 electric arc Methods 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 26
- 238000007733 ion plating Methods 0.000 claims description 21
- 238000000137 annealing Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 15
- 238000003917 TEM image Methods 0.000 claims description 11
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 description 322
- 238000002834 transmittance Methods 0.000 description 60
- 230000015572 biosynthetic process Effects 0.000 description 58
- 238000002474 experimental method Methods 0.000 description 32
- 238000005259 measurement Methods 0.000 description 26
- 238000000059 patterning Methods 0.000 description 25
- 230000007423 decrease Effects 0.000 description 17
- 229910002601 GaN Inorganic materials 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 229910052594 sapphire Inorganic materials 0.000 description 11
- 239000010980 sapphire Substances 0.000 description 11
- 230000007547 defect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001771 vacuum deposition Methods 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910002704 AlGaN Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Led Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Description
20 半導体膜
30 透明導電膜
40、50 電極
108 サンプル
109 ターゲット
110 直流アーク放電プラズマ
120 プラズマガン
を有する半導体発光素子。
Claims (5)
- AlxInyGazN(0≦x≦1、0≦y≦1、0≦z≦1、x+y+z=1)を含み、発光構造を有する半導体膜と、
前記半導体膜上に形成され、インジウムスズ酸化物を含み、前記半導体膜から放出された光を透過させる透明導電膜と
を有し、
前記透明導電膜は、前記半導体膜に接する界面部において、倍率150万倍のTEM像で観察される粒子が前記界面から少なくとも60nm以上の厚さまで周期的に配置された構造を持ち、
前記半導体膜は、前記透明導電膜に接する界面部において、倍率150万倍のTEM像で観察される粒子が周期的に配置された構造を持つ、
半導体発光素子。 - 前記透明導電膜は、前記半導体膜との接触抵抗率が1×10 −2 Ωcm 2 以下である請求項1に記載の半導体発光素子。
- 成長基板上に、AlxInyGazN(0≦x≦1、0≦y≦1、0≦z≦1、x+y+z=1)を含み、発光構造を有する半導体膜を成膜する工程と、
前記半導体膜上に、アーク放電型イオンプレーティングにより、100℃以上の成膜温度で、インジウムスズ酸化物を含む透明導電膜を形成する工程と
を有し、
前記透明導電膜を形成する工程は、酸素分圧1.4×10 −4 Torr〜3.4×10 −4 Torrの範囲で酸素を供給しながら行われる半導体発光素子の製造方法。 - 前記透明導電膜の成膜温度が、175℃以上である請求項3に記載の半導体発光素子の製造方法。
- さらに、前記透明導電膜の形成後、酸素を含む雰囲気において、500℃〜700℃の範囲の温度でアニールを行なう請求項3または4に記載の半導体発光素子の製造方法。
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JP2009018586A JP5497301B2 (ja) | 2009-01-29 | 2009-01-29 | 半導体発光素子及びその製造方法 |
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JP2009018586A JP5497301B2 (ja) | 2009-01-29 | 2009-01-29 | 半導体発光素子及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010177460A JP2010177460A (ja) | 2010-08-12 |
JP5497301B2 true JP5497301B2 (ja) | 2014-05-21 |
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JP2009018586A Expired - Fee Related JP5497301B2 (ja) | 2009-01-29 | 2009-01-29 | 半導体発光素子及びその製造方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5960426B2 (ja) * | 2011-12-16 | 2016-08-02 | スタンレー電気株式会社 | 半導体素子及び半導体素子の製造方法 |
JP5419999B2 (ja) * | 2012-01-13 | 2014-02-19 | 株式会社東芝 | 半導体発光素子及びその製造方法 |
JP7283428B2 (ja) * | 2020-03-26 | 2023-05-30 | 豊田合成株式会社 | 発光装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4604488B2 (ja) * | 2003-12-26 | 2011-01-05 | 日亜化学工業株式会社 | 窒化物半導体発光素子およびその製造方法 |
EP1708284B1 (en) * | 2004-01-20 | 2017-03-29 | Nichia Corporation | Semiconductor light-emitting device |
JP2005217331A (ja) * | 2004-01-30 | 2005-08-11 | Nichia Chem Ind Ltd | 半導体発光素子 |
JP4977957B2 (ja) * | 2004-03-29 | 2012-07-18 | 日亜化学工業株式会社 | 半導体発光素子 |
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