JP6058897B2 - 半導体素子の製造方法 - Google Patents
半導体素子の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 69
- 238000004519 manufacturing process Methods 0.000 title claims description 40
- 239000000758 substrate Substances 0.000 claims description 61
- 238000010438 heat treatment Methods 0.000 claims description 58
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 256
- 239000013078 crystal Substances 0.000 description 39
- 235000012431 wafers Nutrition 0.000 description 35
- 230000004888 barrier function Effects 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000005304 joining Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 238000009792 diffusion process Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000001953 recrystallisation Methods 0.000 description 11
- 238000007740 vapor deposition Methods 0.000 description 11
- 238000005253 cladding Methods 0.000 description 9
- 230000005496 eutectics Effects 0.000 description 9
- 239000011800 void material Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910008812 WSi Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006664 bond formation reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/36—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 electrodes
- H01L33/38—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 electrodes with a particular shape
-
- 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
- H01L21/02694—Controlling the interface between substrate and epitaxial layer, e.g. by ion implantation followed by annealing
-
- 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
- H01L21/02697—Forming conducting materials on a substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/005—Processes
- H01L33/0093—Wafer bonding; Removal of the growth substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/36—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 electrodes
- H01L33/40—Materials therefor
- H01L33/405—Reflective materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
- H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0091—Scattering means in or on the semiconductor body or semiconductor body package
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Led Devices (AREA)
Description
以下に、本発明の実施例1に係る発光素子の製造方法について、図1a、図1b、図2及び図3を参照しつつ説明する。図1a及び図1bは、それぞれ本発明の実施例1に係る発光素子の製造方法で接合される半導体ウェハ及び支持構造体の断面図である。図2は、接合部に形成される錐状突起のSEM(Scanning Electron Microscopy)画像である。図3は、接合されて完成された発光素子の断面図である。
次いで、オーミック電極を外部と電気的接続するためのボンディングパッド(図示せず)を、Ta、Ti、W、WSi、Pt、Cuまたはこれらのいずれかを含む合金及び窒化膜からなる50〜300nmの厚さの層を形成し、その上にAuを厚さ1.5μmで形成することで形成し、ショットキー電極(ボンディングパッドを含む)(図示せず)を形成する。
以下に、本発明の実施例2に係る発光素子の製造方法について、図7を参照しつつ説明する。図7は、実施例2に係る発光素子の製造方法で接合される半導体ウェハ4の断面図である。
2 支持構造体
3 発光素子
4 半導体ウェハ
11、41 成長基板
13、43 デバイス層
15、21、45 接合層
21A 突起部
Claims (7)
- 第1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第1の金属層を形成するステップと、
第2の基板上に前記第1の金属層と同一の材料からなる第2の金属層を形成するステップと、
前記第1の金属層と前記第2の金属層を対向させつつ加熱圧着して、前記第1の金属層と前記第2の金属層との間に接合界面を維持しつつ接合を行う第1の処理ステップと、
前記第1の金属層及び前記第2の金属層内の内部応力を増大させるステップ、及び、その後に前記第1の金属層と前記第2の金属層を加熱するステップを含む前記接合界面を消失させる第2の処理ステップと、を含み、
前記第1の金属層及び前記第2の金属層のいずれか一方は、その表面に複数の錐状突起を有する粗面が形成されていることを特徴とする半導体素子の製造方法。 - 前記内部応力を増大させるステップは、前記第1の金属層及び前記第2の金属層を、前記第1の処理ステップにおける加熱温度より低い温度に冷却するステップを含む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。
- 前記内部応力を増大させるステップは、前記第1の処理ステップにおける印加圧力を減少させるステップを含む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。
- 前記内部応力を増大させるステップは、前記第1の基板を除去するステップを含むことを特徴とする請求項1乃至3のいずれか1つに記載の半導体素子の製造方法。
- 前記第1の処理ステップは、前記錐状突起を圧壊させるステップを含むことを特徴とする請求項1乃至4のいずれか1つに記載の半導体素子の製造方法。
- 前記錐状突起を有する金属層は、前記素子構造層または前記第2の基板上に錐状突起を有する突起形成補助層を形成し、前記突起形成補助層上に前記金属層を形成することによって形成されることを特徴とする請求項1乃至5のいずれか1つに記載の半導体素子の製造方法。
- 前記金属層は、Au、Ag、Al、Cu及びPtのうちのいずれか1つによって形成することを特徴とする請求項1乃至6のいずれか1つに記載の半導体素子の製造方法。
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JP2012034900A JP6058897B2 (ja) | 2012-02-21 | 2012-02-21 | 半導体素子の製造方法 |
US13/772,027 US9112113B2 (en) | 2012-02-21 | 2013-02-20 | Semiconductor element and manufacturing method thereof |
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JP2012034900A JP6058897B2 (ja) | 2012-02-21 | 2012-02-21 | 半導体素子の製造方法 |
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JP6058897B2 true JP6058897B2 (ja) | 2017-01-11 |
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Families Citing this family (7)
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KR101976450B1 (ko) * | 2012-10-19 | 2019-05-09 | 엘지이노텍 주식회사 | 발광 소자 및 발광 소자 패키지 |
FR3009428B1 (fr) * | 2013-08-05 | 2015-08-07 | Commissariat Energie Atomique | Procede de fabrication d'une structure semi-conductrice avec collage temporaire via des couches metalliques |
DE102014202424A1 (de) * | 2014-02-11 | 2015-08-13 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement mit einer reflektierenden Schichtenfolge und Verfahren zum Erzeugen einer reflektierenden Schichtenfolge |
CN104157752B (zh) * | 2014-08-27 | 2017-09-29 | 圆融光电科技有限公司 | N型层粗化的led生长方法 |
CN105720137B (zh) * | 2016-02-18 | 2018-09-14 | 圆融光电科技股份有限公司 | 发光二极管外延结构及其生长方法和发光二极管 |
KR102039791B1 (ko) * | 2017-09-29 | 2019-11-01 | 전자부품연구원 | 반도체칩 실장방법 및 반도체칩 패키지 |
WO2021059485A1 (ja) * | 2019-09-27 | 2021-04-01 | 三菱電機株式会社 | 光半導体装置およびその製造方法 |
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US20050098609A1 (en) * | 2001-02-05 | 2005-05-12 | Greenhut Victor A. | Transient eutectic phase process for ceramic-metal bonding metallization and compositing |
JP4114566B2 (ja) * | 2003-07-24 | 2008-07-09 | 信越半導体株式会社 | 半導体貼り合わせ結合体及びその製造方法、並びに発光素子及びその製造方法 |
JP5032017B2 (ja) * | 2005-10-28 | 2012-09-26 | 株式会社東芝 | 半導体発光素子及びその製造方法並びに半導体発光装置 |
US20080290349A1 (en) * | 2007-05-24 | 2008-11-27 | Hitachi Cable, Ltd. | Compound semiconductor wafer, light emitting diode and manufacturing method thereof |
JP5077068B2 (ja) | 2007-05-30 | 2012-11-21 | 日亜化学工業株式会社 | 窒化物半導体素子及びその製造方法 |
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US20130214292A1 (en) | 2013-08-22 |
JP2013171978A (ja) | 2013-09-02 |
US9112113B2 (en) | 2015-08-18 |
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