JP4678877B2 - Si:C−OIおよびSGOI上のシリコン・デバイスならびに製造方法 - Google Patents
Si:C−OIおよびSGOI上のシリコン・デバイスならびに製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 229910000577 Silicon-germanium Inorganic materials 0.000 title claims description 46
- 229910052710 silicon Inorganic materials 0.000 title description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title description 7
- 239000010703 silicon Substances 0.000 title description 7
- 239000000463 material Substances 0.000 claims abstract description 81
- 238000000034 method Methods 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 37
- 238000002955 isolation Methods 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 239000013078 crystal Substances 0.000 claims description 17
- 238000000137 annealing Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract description 16
- 235000012431 wafers Nutrition 0.000 description 12
- 238000001289 rapid thermal chemical vapour deposition Methods 0.000 description 10
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 description 10
- 238000007796 conventional method Methods 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000005137 deposition process Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
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Description
Ootsuka et al.、IEDM 2000、p.575 Ernst et al.、VLSI symp.、2002、p.92
(i)少なくとも1つの材料がGeであり、第1のアイランドおよび第2のアイランドが、実質的に緩和SiGeの混合材料で構成される。
(ii)少なくとも1つの材料がCまたはSi:Cであり、第1のアイランドおよび第2のアイランドが、実質的に緩和Si:Cの混合材料で構成される。
(iii)少なくとも1つの材料がGeおよびSi:CまたはCであり、第1のアイランドが実質的にSiGeで構成され、第2のアイランドが実質的にSi:Cで構成される。
Claims (13)
- 構造体を製造する方法であって、
基板中に浅いトレンチ分離(STI)(25)を形成するステップと、
前記基板上に、Siよりも格子定数が大きいGeからなる第1の材料(30)を設けるステップと、
前記基板上に、Siよりも格子定数が小さいSi:CまたはCからなる第2の材料(40)を設けるステップと、
前記第1の材料(30)および前記第2の材料(40)を熱アニール・プロセスによって前記基板中に混合し、nFET領域に第1のアイランド(50)を、pFET領域に第2のアイランド(5)をそれぞれ形成して、前記浅いトレンチ分離(25)を緩和し、前記第1のアイランド(50)および前記第2のアイランド(55)の緩和を促進するステップと、
前記第1のアイランド(50)および前記第2のアイランド(55)の上に、前記第1のアイランド(50)および前記第2のアイランド(55)とは異なる格子定数を有するSi材料層を形成するステップとを含む方法。 - 前記第1の材料(30)が堆積させたGe材料であり、前記第2の材料(40)が堆積させたSi:CまたはCである、請求項1に記載の方法。
- 前記第1のアイランド(50)がSiGeで構成され、前記第2のアイランド(55)がSi:Cで構成され、前記Si材料層が歪み層である、請求項2に記載の方法。
- 前記浅いトレンチ分離(25)が、温度が上昇するにつれて粘度が低下する材料で構成される、請求項1に記載の方法。
- 前記Si材料層が、引張り応力のある状態で第1のアイランド(50)上に配置され、圧縮応力のある状態で第2のアイランド(55)上に配置される、請求項2に記載の方法。
- 前記SiGeのGe含有量がSi含有量に対して25%未満であり、前記Si:CのC含有量がSi含有量に対して4%以下である、請求項3に記載の方法。
- 前記第1のアイランド(50)および前記第2のアイランド(55)が、異なる緩和結晶格子を有する、請求項1に記載の方法。
- 前記浅いトレンチ分離(25)が、高温安定アモルファス材料である、請求項1に記載の方法。
- 前記第1の材料(30)および前記第2の材料(40)を、前記混合の前に前記基板上に堆積させるまたは前記基板上に成長させる、請求項1に記載の方法。
- 前記第2の材料(40)が炭素Cであって、前記熱アニール・プロセス後に1%を超えるC濃度のSi:Cを生成するドーズ量で注入される、請求項1に記載の方法。
- 前記Si材料層が、前記第1のアイランド(50)および前記第2のアイランド(55)の上に選択的に成長させたSiエピタキシャル層を含み、前記選択的に成長させたSiエピタキシャル層において、第1のアイランド(50)上では引張り歪みが生じ、前記第2のアイランド(55)上では圧縮歪みが生じるように、前記Siエピタキシャル層が第1のアイランド(50)および第2のアイランド(55)とは異なる格子定数を有する、請求項1に記載の方法。
- 前記第1のアイランド(50)の格子定数はSiの格子定数よりも大きく、前記第2のアイランド(55)の格子定数がSiの格子定数よりも小さい、請求項1に記載の方法。
- 前記第1のアイランド(50)がSiGeで構成され、前記第2のアイランド(55)がSi:Cで構成され、前記SiGeのアイランドおよび前記Si:Cのアイランド上のエピタキシャル成長層が、それぞれSiGeおよびSi:Cに対する格子整合により、それぞれ引張り応力および圧縮応力のある状態で配置される、請求項12に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/715,400 US7247534B2 (en) | 2003-11-19 | 2003-11-19 | Silicon device on Si:C-OI and SGOI and method of manufacture |
| PCT/US2004/020904 WO2005057612A2 (en) | 2003-11-19 | 2004-06-30 | SILICON DEVICE ON Si:C-OI and SGOI AND METHOD OF MANUFACTURE |
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| Publication Number | Publication Date |
|---|---|
| JP2007533119A JP2007533119A (ja) | 2007-11-15 |
| JP4678877B2 true JP4678877B2 (ja) | 2011-04-27 |
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| US (5) | US7247534B2 (ja) |
| EP (1) | EP1685584B1 (ja) |
| JP (1) | JP4678877B2 (ja) |
| KR (1) | KR100818899B1 (ja) |
| CN (1) | CN101208794B (ja) |
| AT (1) | ATE455370T1 (ja) |
| DE (1) | DE602004025135D1 (ja) |
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| JP4239203B2 (ja) * | 2005-05-31 | 2009-03-18 | 株式会社東芝 | 半導体装置とその製造方法 |
| US7528028B2 (en) * | 2005-06-17 | 2009-05-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Super anneal for process induced strain modulation |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE602004025135D1 (de) | 2010-03-04 |
| US20070231979A1 (en) | 2007-10-04 |
| US7247534B2 (en) | 2007-07-24 |
| US8232153B2 (en) | 2012-07-31 |
| CN101208794A (zh) | 2008-06-25 |
| KR20060100433A (ko) | 2006-09-20 |
| EP1685584A4 (en) | 2008-12-31 |
| US20070228472A1 (en) | 2007-10-04 |
| US20050104131A1 (en) | 2005-05-19 |
| KR100818899B1 (ko) | 2008-04-04 |
| US8119472B2 (en) | 2012-02-21 |
| ATE455370T1 (de) | 2010-01-15 |
| WO2005057612A3 (en) | 2008-01-03 |
| WO2005057612A2 (en) | 2005-06-23 |
| US20120052653A1 (en) | 2012-03-01 |
| US9040373B2 (en) | 2015-05-26 |
| US8633071B2 (en) | 2014-01-21 |
| EP1685584A2 (en) | 2006-08-02 |
| EP1685584B1 (en) | 2010-01-13 |
| JP2007533119A (ja) | 2007-11-15 |
| US20140103366A1 (en) | 2014-04-17 |
| CN101208794B (zh) | 2010-04-28 |
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