JP6018219B2 - 発光ダイオードの製造方法 - Google Patents
発光ダイオードの製造方法 Download PDFInfo
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- JP6018219B2 JP6018219B2 JP2014547096A JP2014547096A JP6018219B2 JP 6018219 B2 JP6018219 B2 JP 6018219B2 JP 2014547096 A JP2014547096 A JP 2014547096A JP 2014547096 A JP2014547096 A JP 2014547096A JP 6018219 B2 JP6018219 B2 JP 6018219B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 99
- 239000004065 semiconductor Substances 0.000 claims description 257
- 239000000758 substrate Substances 0.000 claims description 221
- 238000000034 method Methods 0.000 claims description 82
- 229910002601 GaN Inorganic materials 0.000 claims description 51
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 46
- 238000005530 etching Methods 0.000 claims description 29
- 150000004767 nitrides Chemical class 0.000 claims description 29
- 238000004020 luminiscence type Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 382
- 229910052751 metal Inorganic materials 0.000 description 32
- 239000002184 metal Substances 0.000 description 32
- 239000002073 nanorod Substances 0.000 description 23
- 230000008569 process Effects 0.000 description 19
- 229920002120 photoresistant polymer Polymers 0.000 description 18
- 239000012535 impurity Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 239000013078 crystal Substances 0.000 description 9
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 229910052733 gallium Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000010287 polarization Effects 0.000 description 8
- 229910052738 indium Inorganic materials 0.000 description 7
- 238000000059 patterning Methods 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- -1 gallium nitride compound Chemical class 0.000 description 5
- 229910052594 sapphire Inorganic materials 0.000 description 5
- 239000010980 sapphire Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- 238000001451 molecular beam epitaxy Methods 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
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- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
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- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
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- H01L33/16—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous
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- H01L33/26—Materials of the light emitting region
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- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Led Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims (8)
- C面に対して15゜〜85゜範囲の角度だけ傾斜した主面を有するミスカット半極性窒化ガリウム基板を準備し、
前記基板上に半極性窒化ガリウム系列の各半導体層を成長させることによって半導体積層体を形成し、
前記半導体積層体上に反射層を形成し、
前記反射層上に支持基板を貼りつけ、
前記半極性窒化ガリウム基板を除去し、
前記半極性窒化ガリウム基板が除去された後、前記半導体積層体の表面に凹凸パターンを形成することを含む発光ダイオードの製造方法。 - 前記半導体積層体上に透明酸化層を形成することをさらに含む、請求項1に記載の発光ダイオードの製造方法。
- 前記透明酸化層は凹凸パターンを有する、請求項2に記載の発光ダイオードの製造方法。
- 前記半極性窒化ガリウム基板上に半導体積層体を形成する前に、電気化学的エッチング技術を用いて前記基板上に多孔構造の窒化物層を形成することをさらに含む、請求項1に記載の発光ダイオードの製造方法。
- 前記半極性窒化ガリウム基板は、前記多孔構造の窒化物層を用いて前記半導体積層体から分離される、請求項4に記載の発光ダイオードの製造方法。
- 前記半導体積層体上に透明酸化層を形成することをさらに含む、請求項1に記載の発光ダイオードの製造方法。
- 前記透明酸化層は凹凸パターンを有する、請求項6に記載の発光ダイオードの製造方法。
- 前記透明酸化層はITOまたはZnOである請求項6に記載の発光ダイオードの製造方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0134129 | 2011-12-14 | ||
KR1020110134129A KR20130067514A (ko) | 2011-12-14 | 2011-12-14 | 반도체 소자 제조 방법 |
KR1020110135513A KR101899479B1 (ko) | 2011-12-15 | 2011-12-15 | 반극성 발광 다이오드 및 그것을 제조하는 방법 |
KR10-2011-0135513 | 2011-12-15 | ||
KR1020110139378A KR20130071901A (ko) | 2011-12-21 | 2011-12-21 | 반도체 소자 제조 방법 |
KR10-2011-0139378 | 2011-12-21 | ||
PCT/KR2012/010765 WO2013089417A1 (en) | 2011-12-14 | 2012-12-12 | Semiconductor device and method of fabricating the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015504242A JP2015504242A (ja) | 2015-02-05 |
JP6018219B2 true JP6018219B2 (ja) | 2016-11-02 |
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Application Number | Title | Priority Date | Filing Date |
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JP2014547096A Expired - Fee Related JP6018219B2 (ja) | 2011-12-14 | 2012-12-12 | 発光ダイオードの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9209358B2 (ja) |
JP (1) | JP6018219B2 (ja) |
CN (1) | CN103999245A (ja) |
WO (1) | WO2013089417A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015033638A1 (ja) * | 2013-09-03 | 2015-03-12 | シャープ株式会社 | 半導体発光素子 |
DE112014004806B4 (de) * | 2013-10-21 | 2022-10-20 | Sensor Electronic Technology Inc. | Heterostruktur, optoelektronische Vorrichtung und Verfahren zum Herstellen einer optoelektronischen Vorrichtung |
GB2526078A (en) * | 2014-05-07 | 2015-11-18 | Infiniled Ltd | Methods and apparatus for improving micro-LED devices |
EP3173507A1 (de) * | 2015-11-25 | 2017-05-31 | Umicore AG & Co. KG | Verfahren zur metallorganischen gasphasenabscheidung unter verwendung von lösungen von indiumalkylverbindungen in kohlenwasserstoffen |
US11508620B2 (en) | 2017-09-15 | 2022-11-22 | The Regents Of The University Of California | Method of removing a substrate with a cleaving technique |
US11195973B1 (en) * | 2019-05-17 | 2021-12-07 | Facebook Technologies, Llc | III-nitride micro-LEDs on semi-polar oriented GaN |
US11175447B1 (en) | 2019-08-13 | 2021-11-16 | Facebook Technologies, Llc | Waveguide in-coupling using polarized light emitting diodes |
CN114497303B (zh) * | 2022-04-14 | 2022-06-24 | 江苏第三代半导体研究院有限公司 | 长波长led同质外延结构、其制备方法及应用 |
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-
2012
- 2012-12-12 CN CN201280062105.9A patent/CN103999245A/zh active Pending
- 2012-12-12 US US14/365,370 patent/US9209358B2/en not_active Expired - Fee Related
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US20140353679A1 (en) | 2014-12-04 |
JP2015504242A (ja) | 2015-02-05 |
CN103999245A (zh) | 2014-08-20 |
US9209358B2 (en) | 2015-12-08 |
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