JP5165526B2 - 窒化物単結晶基板の製造方法 - Google Patents
窒化物単結晶基板の製造方法 Download PDFInfo
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- JP5165526B2 JP5165526B2 JP2008266705A JP2008266705A JP5165526B2 JP 5165526 B2 JP5165526 B2 JP 5165526B2 JP 2008266705 A JP2008266705 A JP 2008266705A JP 2008266705 A JP2008266705 A JP 2008266705A JP 5165526 B2 JP5165526 B2 JP 5165526B2
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- 239000000758 substrate Substances 0.000 title claims description 155
- 239000013078 crystal Substances 0.000 title claims description 131
- 150000004767 nitrides Chemical class 0.000 title claims description 125
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 230000012010 growth Effects 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 description 59
- 239000010410 layer Substances 0.000 description 48
- 229910052594 sapphire Inorganic materials 0.000 description 38
- 239000010980 sapphire Substances 0.000 description 38
- 230000001678 irradiating effect Effects 0.000 description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 238000000926 separation method Methods 0.000 description 18
- 229910052710 silicon Inorganic materials 0.000 description 18
- 239000010703 silicon Substances 0.000 description 18
- 230000035882 stress Effects 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910002601 GaN Inorganic materials 0.000 description 8
- 238000001451 molecular beam epitaxy Methods 0.000 description 7
- 230000008646 thermal stress Effects 0.000 description 7
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 6
- 230000034655 secondary growth Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 229910010093 LiAlO Inorganic materials 0.000 description 2
- 229910020068 MgAl Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K95/00—Sinkers for angling
- A01K95/005—Sinkers not containing lead
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
- C30B29/406—Gallium nitride
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
- C30B29/64—Flat crystals, e.g. plates, strips or discs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Drying Of Semiconductors (AREA)
- Lasers (AREA)
Description
図2aないし図2dは本発明の一実施形態による窒化物単結晶基板製造方法を説明するための工程断面図である。本実施形態は成長される窒化物単結晶層より大きいエネルギーバンドギャップを有するサファイア基板を使用する場合を示す。
〔実施態様〕
1. 反応チャンバー内に装着されたサセプタに予備基板を配置する段階;
上記予備基板上に所定の厚さに窒化物単結晶膜を成長させる1次成長段階;
上記予備基板と上記窒化物単結晶膜が部分的に分離されるようにレーザーを照射する段階;
上記窒化物単結晶膜上に窒化物単結晶を追加成長させる2次成長段階;及び、
上記予備基板を上記反応チャンバー内に維持しながら、上記予備基板と上記窒化物結晶が分離されるようにレーザービームを照射する段階
を含む窒化物単結晶基板の製造方法。
2. 上記予備基板はシリコン基板であり、
上記1次成長される窒化物単結晶膜の厚さは0.1〜1μmであることを特徴とする実施態様1に記載の窒化物単結晶基板の製造方法。
3. 上記予備基板はサファイア基板であり、
上記1次成長される窒化物単結晶膜の厚さは5〜100μmであることを特徴とする実施態様1に記載の窒化物単結晶基板の製造方法。
4. 上記部分分離のためのレーザー照射段階は、
レーザービームが照射される部分が所定の間隔を有するようにレーザーを照射する段階であることを特徴とする実施態様1に記載の窒化物単結晶基板の製造方法。
25、55、55’ 窒化物単結晶層
26、36 III族メタル(Gaメタル)
31 バッファ層
30 シリコン基板
35 窒化物単結晶層
40 ウェーハ
61 予備基板
65 窒化物単結晶層
100 窒化物単結晶基板製造装置
101反応チャンバー
103 サセプタ
105、107 ソースガス供給部
109 加熱部
110、110a、110b、110c 透明窓
120 基板位置移動アーム
125 真空吸着部
A、B 地点
D 透明窓の直径
G レーザービームの照射間隔
W レーザービームの照射線幅
t1、t1’、t2 窒化物単結晶膜厚
Claims (4)
- 窒化物単結晶成長用反応チャンバーと、
前記反応チャンバーの内部に装着され基板を固定させるためのサセプタと、
前記サセプタに固定される基板の上面に向かってレーザーが照射されることができるように前記反応チャンバーの上部に提供されたレーザー照射用透明窓と、
前記サセプタに装着される基板の下面がレーザー照射方向を向かうように前記基板を移動させるための基板位置移動アームと、
を含む窒化物単結晶基板の製造装置。 - 前記基板上に成長された成長膜の厚さを測定するために前記反応チャンバーの上部に提供された厚さ測定用透明窓をさらに含むことを特徴とする請求項1に記載の窒化物単結晶基板の製造装置。
- 前記反応チャンバーの上部において前記レーザー照射用透明窓に対向する位置に設けられて前記基板上に成長された成長膜の反りを測定するために提供された他の透明窓をさらに含むことを特徴とする請求項1に記載の窒化物単結晶基板の製造装置。
- 前記基板位置移動アームは、前記基板が位置する真空吸着部を含むことを特徴とする請求項1に記載の窒化物単結晶基板の製造装置。
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KR10-2005-265 | 2005-01-03 | ||
KR1020050000265A KR100616656B1 (ko) | 2005-01-03 | 2005-01-03 | 질화갈륨계 단결정 기판의 제조방법 및 제조장치 |
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JP2005272805A Division JP2006188409A (ja) | 2005-01-03 | 2005-09-20 | 窒化ガリウム系単結晶基板の製造方法範囲内製造装置 |
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JP2009062272A JP2009062272A (ja) | 2009-03-26 |
JP5165526B2 true JP5165526B2 (ja) | 2013-03-21 |
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JP2005272805A Pending JP2006188409A (ja) | 2005-01-03 | 2005-09-20 | 窒化ガリウム系単結晶基板の製造方法範囲内製造装置 |
JP2008266705A Expired - Fee Related JP5165526B2 (ja) | 2005-01-03 | 2008-10-15 | 窒化物単結晶基板の製造方法 |
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US (1) | US20060148186A1 (ja) |
JP (2) | JP2006188409A (ja) |
KR (1) | KR100616656B1 (ja) |
CN (1) | CN1801459A (ja) |
DE (1) | DE102005042587A1 (ja) |
TW (1) | TWI289883B (ja) |
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JP4127463B2 (ja) * | 2001-02-14 | 2008-07-30 | 豊田合成株式会社 | Iii族窒化物系化合物半導体の結晶成長方法及びiii族窒化物系化合物半導体発光素子の製造方法 |
US6498113B1 (en) * | 2001-06-04 | 2002-12-24 | Cbl Technologies, Inc. | Free standing substrates by laser-induced decoherency and regrowth |
KR20030052061A (ko) * | 2001-12-20 | 2003-06-26 | 엘지전자 주식회사 | 질화갈륨 기판 제조 장치 및 방법 |
JP2004091278A (ja) * | 2002-09-02 | 2004-03-25 | Toyoda Gosei Co Ltd | 半導体結晶の製造方法 |
KR100558436B1 (ko) * | 2003-06-10 | 2006-03-10 | 삼성전기주식회사 | 질화갈륨 단결정 기판의 제조방법 |
US7009215B2 (en) * | 2003-10-24 | 2006-03-07 | General Electric Company | Group III-nitride based resonant cavity light emitting devices fabricated on single crystal gallium nitride substrates |
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2005
- 2005-01-03 KR KR1020050000265A patent/KR100616656B1/ko not_active IP Right Cessation
- 2005-09-06 US US11/220,020 patent/US20060148186A1/en not_active Abandoned
- 2005-09-08 DE DE102005042587A patent/DE102005042587A1/de not_active Ceased
- 2005-09-20 JP JP2005272805A patent/JP2006188409A/ja active Pending
- 2005-09-23 CN CNA2005101053774A patent/CN1801459A/zh active Pending
- 2005-09-29 TW TW094133906A patent/TWI289883B/zh active
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KR101365630B1 (ko) * | 2012-11-13 | 2014-02-25 | 주식회사 루미스탈 | Llo 방식을 이용한 질화갈륨 기판 분리 방법 |
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TWI289883B (en) | 2007-11-11 |
DE102005042587A1 (de) | 2006-07-20 |
CN1801459A (zh) | 2006-07-12 |
JP2009062272A (ja) | 2009-03-26 |
US20060148186A1 (en) | 2006-07-06 |
TW200625416A (en) | 2006-07-16 |
JP2006188409A (ja) | 2006-07-20 |
KR20060079736A (ko) | 2006-07-06 |
KR100616656B1 (ko) | 2006-08-28 |
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