JP6005957B2 - 半導体素子及びその製造方法 - Google Patents
半導体素子及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 65
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000000758 substrate Substances 0.000 claims description 52
- 230000005496 eutectics Effects 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000010953 base metal Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 164
- 239000002344 surface layer Substances 0.000 description 10
- 238000005253 cladding Methods 0.000 description 7
- 238000005304 joining Methods 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 238000004626 scanning electron microscopy Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010549 co-Evaporation Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000004927 fusion Effects 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
- 150000002739 metals Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
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- H01L2224/29099—Material
- H01L2224/291—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29101—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of less than 400°C
- H01L2224/29109—Indium [In] as principal constituent
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- H01L2224/291—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/29144—Gold [Au] as principal constituent
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- H01L2224/291—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/29155—Nickel [Ni] as principal constituent
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- H01L2224/8319—Arrangement of the layer connectors prior to mounting
- H01L2224/83193—Arrangement of the layer connectors prior to mounting wherein the layer connectors are disposed on both the semiconductor or solid-state body and another item or body to be connected to the semiconductor or solid-state body
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- H01L2224/832—Applying energy for connecting
- H01L2224/83201—Compression bonding
- H01L2224/83203—Thermocompression bonding, e.g. diffusion bonding, pressure joining, thermocompression welding or solid-state welding
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- H01L2224/838—Bonding techniques
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- H01L33/64—Heat extraction or cooling elements
- H01L33/641—Heat extraction or cooling elements characterized by the materials
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Led Devices (AREA)
- Die Bonding (AREA)
- Led Device Packages (AREA)
Description
11 支持基板
13 第1の接合層
20 半導体ウェハ
21 成長基板
23 素子構造層
25 第2の接合層
25A 下地共晶層
25B 表面層
X 偏倚層
Y アイランド
Claims (5)
- 第1の基板上にAuとの共晶を形成する金属からなる第1の接合層を形成するステップと、
第2の基板上に半導体層を含む素子構造層を形成するステップと、
前記素子構造層上にAuとの共晶を形成する金属からなる下地金属層を形成するステップと、
前記下地金属層上にAuからなる第2の接合層を形成するステップと、
前記第1の接合層と前記第2の接合層を対向させつつ加熱圧着するステップと、
を含み、
前記加熱圧着するステップにおける前記第2の基板の加熱温度を、前記第1の基板の加熱温度よりも高くすることを特徴とする半導体素子の製造方法。 - 前記下地金属層は、NiまたはInからなることを特徴とする請求項1に記載の半導体素子の製造方法。
- 前記第1の接合層はAuSnまたはAuInからなることを特徴とする請求項1または2に記載の半導体素子の製造方法。
- 前記加熱圧着するステップは、前記第2の基板の温度と前記第1の基板の温度との温度差を5℃〜20℃の範囲内に維持して共晶形成を行うことを特徴とする請求項1乃至3のいずれか1に記載の半導体素子の製造方法。
- 基板と、
前記基板上に形成された金属共晶によって形成された金属層と、
前記金属層上に形成された素子構造層と、を含み、
前記金属層は、前記金属層の他の部分よりもAu含有率が大きくかつ前記素子構造層側に偏倚して形成されたAu偏倚層を有し、前記Au偏倚層内に、前記Au偏倚層の他の部分よりSnまたはIn比率の高い領域が島状に断続的に存在していることを特徴とする半導体素子。
Priority Applications (3)
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JP2012061834A JP6005957B2 (ja) | 2012-03-19 | 2012-03-19 | 半導体素子及びその製造方法 |
EP13001320.4A EP2642515B1 (en) | 2012-03-19 | 2013-03-15 | Semiconductor element and method of manufacturing the same |
US13/845,078 US9048090B2 (en) | 2012-03-19 | 2013-03-17 | Semiconductor element and method of manufacturing same |
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JP2012061834A JP6005957B2 (ja) | 2012-03-19 | 2012-03-19 | 半導体素子及びその製造方法 |
Publications (2)
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JP2013197257A JP2013197257A (ja) | 2013-09-30 |
JP6005957B2 true JP6005957B2 (ja) | 2016-10-12 |
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US (1) | US9048090B2 (ja) |
EP (1) | EP2642515B1 (ja) |
JP (1) | JP6005957B2 (ja) |
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JP6184843B2 (ja) * | 2013-11-18 | 2017-08-23 | 東芝メモリ株式会社 | 基板接合方法、及び基板接合装置 |
JP2019102715A (ja) * | 2017-12-06 | 2019-06-24 | スタンレー電気株式会社 | 半導体発光装置およびその製造方法 |
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JP2005259820A (ja) | 2004-03-09 | 2005-09-22 | Sharp Corp | Iii−v族化合物半導体発光素子とその製造方法 |
JPWO2006038665A1 (ja) | 2004-10-01 | 2008-05-15 | 三菱電線工業株式会社 | 窒化物半導体発光素子およびその製造方法 |
JP4325571B2 (ja) | 2005-02-28 | 2009-09-02 | 株式会社日立製作所 | 電子装置の製造方法 |
US8643195B2 (en) * | 2006-06-30 | 2014-02-04 | Cree, Inc. | Nickel tin bonding system for semiconductor wafers and devices |
JP2008098336A (ja) * | 2006-10-11 | 2008-04-24 | Stanley Electric Co Ltd | 半導体発光素子およびその製造方法 |
JP2008263130A (ja) * | 2007-04-13 | 2008-10-30 | Toyoda Gosei Co Ltd | AuSn層の形成方法及びAuSn層を有する半導体発光素子の製造方法 |
JP5082613B2 (ja) * | 2007-06-13 | 2012-11-28 | ウシオ電機株式会社 | Led素子およびその製造方法 |
JP5426081B2 (ja) * | 2007-06-20 | 2014-02-26 | スタンレー電気株式会社 | 基板接合方法及び半導体装置 |
JP2009105123A (ja) * | 2007-10-22 | 2009-05-14 | Showa Denko Kk | 発光ダイオードおよびその製造方法 |
JP5329341B2 (ja) | 2009-08-19 | 2013-10-30 | スタンレー電気株式会社 | 光半導体装置及びその製造方法 |
JP5571988B2 (ja) * | 2010-03-26 | 2014-08-13 | パナソニック株式会社 | 接合方法 |
FR2961945B1 (fr) | 2010-06-23 | 2012-08-17 | Commissariat Energie Atomique | Procede de scellement de deux elements par thermocompression a basse temperature |
JP5687858B2 (ja) | 2010-07-30 | 2015-03-25 | スタンレー電気株式会社 | 半導体発光装置 |
JP2012089828A (ja) * | 2010-09-22 | 2012-05-10 | Toshiba Corp | 半導体装置の製造方法 |
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