JP2013197264A - 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 abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 172
- 239000000758 substrate Substances 0.000 claims abstract description 53
- 239000002344 surface layer Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 24
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- 238000009792 diffusion process Methods 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 229910015363 Au—Sn Inorganic materials 0.000 description 4
- 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
- 238000010587 phase diagram Methods 0.000 description 4
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- 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
- 229910000905 alloy phase Inorganic materials 0.000 description 3
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- 238000001312 dry etching Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
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- 229910045601 alloy Inorganic materials 0.000 description 2
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- 238000005275 alloying Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- 229910052718 tin Inorganic materials 0.000 description 1
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Abstract
【解決手段】第1の基板11上に半導体層を含む素子構造層13を形成するステップと、素子構造層上に第1の接合層15を形成するステップと、第2の基板21上に第2の接合層23を形成するステップと、第1の接合層と第2の接合層とを対向させつつ加熱圧着するステップとを含み、第1の接合層及び第2の接合層はいずれか一方がAuからなる層であり、他方がAuSnからなる層であり、前記AuSnからなる層はSnの含有量が85wt%以上95wt%以下の範囲内である表面層を有する。
【選択図】図4a
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、Au−Sn系合金状態図である。図3は、半導体ウェハと支持構造体とを接合して完成した発光素子の断面図である。
11 成長基板
13 素子構造層
15 第1の接合層
20 支持構造体
21 支持基板
23 第2の接合層
23A 下地層
23B 表面層
Claims (5)
- 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の接合層を形成するステップと、
第2の基板上に第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の接合層とを対向させつつ加熱圧着するステップと、
を含み、
前記第1の接合層及び前記第2の接合層はいずれか一方がAuからなる層であり、他方がAuSnからなる層であり、前記AuSnからなる層は、Snの含有量が85wt%以上95wt%以下の範囲内である表面層を有していることを特徴とする半導体素子の製造方法。 - 前記AuSnからなる層は、前記表面層と、前記表面層よりもSn含有率の低い下地層とを有し、前記加熱圧着するステップは、Au及び前記下地層の融点以下の温度で行われ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。
- 前記加熱圧着するステップは、第1の接合層及び第2の接合層を220〜250℃の範囲内の温度に加熱す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。
- 当該加熱圧着する前記第1の接合層及び前記第2の接合層によって形成される接合部のSn含有量が65wt%以下となるように前記AuSnからなる層のSn含有量が定められている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。
- 前記接合部のSn含有量が、15wt%以上25wt%以下の範囲となるように前記AuSnからなる層のSn含有量が定められていることを特徴とする請求項4に記載の半導体素子の製造方法。
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JP2012061935A JP6067982B2 (ja) | 2012-03-19 | 2012-03-19 | 半導体素子の製造方法 |
EP13001321.2A EP2642516B1 (en) | 2012-03-19 | 2013-03-15 | Method of manufacturing semiconductor element |
US13/845,072 US8916396B2 (en) | 2012-03-19 | 2013-03-17 | Method of manufacturing semiconductor element |
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JP2012061935A JP6067982B2 (ja) | 2012-03-19 | 2012-03-19 | 半導体素子の製造方法 |
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JP6067982B2 JP6067982B2 (ja) | 2017-01-25 |
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EP (1) | EP2642516B1 (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015211111A (ja) * | 2014-04-25 | 2015-11-24 | Tdk株式会社 | 電子デバイス用の接合構造及び電子デバイス |
JP2016039218A (ja) * | 2014-08-06 | 2016-03-22 | アルバック成膜株式会社 | 貫通電極基板の製造方法および貫通電極基板 |
JPWO2020138278A1 (ja) * | 2018-12-26 | 2021-11-04 | 京セラ株式会社 | 電子部品の接合方法および接合構造体 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102015109764A1 (de) * | 2015-06-18 | 2016-12-22 | Infineon Technologies Ag | Eine Laminarstruktur, ein Halbleiterbauelementund Verfahren zum Bilden von Halbleiterbauelementen |
US11094865B2 (en) * | 2017-01-26 | 2021-08-17 | Suzhou Lekin Semiconductor Co., Ltd. | Semiconductor device and semiconductor device package |
Citations (5)
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JP2002373960A (ja) * | 2001-06-14 | 2002-12-26 | Tokuyama Corp | 素子接合用基板及びその製造方法 |
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