KR100455737B1 - 반도체소자의게이트산화막형성방법 - Google Patents
반도체소자의게이트산화막형성방법 Download PDFInfo
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- KR100455737B1 KR100455737B1 KR10-1998-0061868A KR19980061868A KR100455737B1 KR 100455737 B1 KR100455737 B1 KR 100455737B1 KR 19980061868 A KR19980061868 A KR 19980061868A KR 100455737 B1 KR100455737 B1 KR 100455737B1
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- Prior art keywords
- oxide film
- thickness
- gate oxide
- tantalum
- teos
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 title claims description 9
- 230000015572 biosynthetic process Effects 0.000 title 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910001936 tantalum oxide Inorganic materials 0.000 claims abstract description 29
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 150000004767 nitrides Chemical class 0.000 claims abstract description 7
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 238000005121 nitriding Methods 0.000 claims abstract description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 16
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 229910052814 silicon oxide Inorganic materials 0.000 description 16
- 229910004298 SiO 2 Inorganic materials 0.000 description 13
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02183—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing tantalum, e.g. Ta2O5
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Abstract
Description
Claims (7)
- 실리콘 기판 상에 NO 가스를 이용한 열처리를 수행하여 균일한 두께의 질산화막을 형성하는 단계;상기 질산화막 상에 탄탈륨산화막(Ta2O5)을 증착하는 단계;상기 탄탈륨산화막(Ta2O5) 상에 TEOS 산화막을 증착하는 단게; 및상기 TEOS 산화막을 N2O 분위기에서의 열처리를 통해 질화시키는 단계를 포함하여 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제 1 항에 있어서, 상기 질산화막은 5∼20Å 두께로 형성하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 질산화막은800∼850℃의 온도와, 감압 또는 상압의 압력, 및 NO 가스의 플로우 속도를 5∼20ℓ 로 하는 조건 하에서 형성하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제 1 항에 있어서, 상기 탄탈륨산화막(Ta2O5)은 30∼150Å 두께로 증착하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제 1 항 또는 제 4 항에 있어서, 상기 탄탈륨산화막(Ta2O5)은 저압 화학 기상 증착법, 또는, 금속 유기 화학 기상 증착법으로 증착하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제 1 항에 있어서, 상기 TEOS 산화막은 10∼20Å 두께로 증착하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제 1 항에 있어서, 상기 TEOS 산화막을 질화시키기 위한 열처리는800∼850℃의 온도, 감압 또은 상압의 압력, N2O 분위기 및 N2O 가스의 플로우 속도를 5∼20ℓ 로 하는 조건으로 수행하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0061868A KR100455737B1 (ko) | 1998-12-30 | 1998-12-30 | 반도체소자의게이트산화막형성방법 |
TW088119189A TW522560B (en) | 1998-12-30 | 1999-11-04 | Method of forming gate oxide layer in semiconductor device |
US09/436,780 US6365467B1 (en) | 1998-12-30 | 1999-11-08 | Method of forming gate oxide layer in semiconductor device |
JP32212299A JP3528151B2 (ja) | 1998-12-30 | 1999-11-12 | 半導体素子のゲート酸化膜形成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-1998-0061868A KR100455737B1 (ko) | 1998-12-30 | 1998-12-30 | 반도체소자의게이트산화막형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20000045310A KR20000045310A (ko) | 2000-07-15 |
KR100455737B1 true KR100455737B1 (ko) | 2005-04-19 |
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KR10-1998-0061868A Expired - Fee Related KR100455737B1 (ko) | 1998-12-30 | 1998-12-30 | 반도체소자의게이트산화막형성방법 |
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US (1) | US6365467B1 (ko) |
JP (1) | JP3528151B2 (ko) |
KR (1) | KR100455737B1 (ko) |
TW (1) | TW522560B (ko) |
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JP3516918B2 (ja) * | 2000-01-19 | 2004-04-05 | 株式会社日立国際電気 | 半導体装置の製造方法及び半導体製造装置 |
CN100442454C (zh) * | 2000-09-19 | 2008-12-10 | 马特森技术公司 | 形成介电薄膜的方法 |
KR100380278B1 (ko) * | 2000-09-29 | 2003-04-16 | 주식회사 하이닉스반도체 | 반도체장치 및 그 제조방법 |
US20020102797A1 (en) * | 2001-02-01 | 2002-08-01 | Muller David A. | Composite gate dielectric layer |
JP2003168749A (ja) * | 2001-12-03 | 2003-06-13 | Hitachi Ltd | 不揮発性半導体記憶装置及びその製造方法 |
CN1254854C (zh) * | 2001-12-07 | 2006-05-03 | 东京毅力科创株式会社 | 绝缘膜氮化方法、半导体装置及其制造方法、基板处理装置和基板处理方法 |
KR100451507B1 (ko) * | 2001-12-24 | 2004-10-06 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
US6617209B1 (en) * | 2002-02-22 | 2003-09-09 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
JP4643884B2 (ja) * | 2002-06-27 | 2011-03-02 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP3840207B2 (ja) | 2002-09-30 | 2006-11-01 | 株式会社東芝 | 絶縁膜及び電子素子 |
US6713358B1 (en) * | 2002-11-05 | 2004-03-30 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
US6787440B2 (en) * | 2002-12-10 | 2004-09-07 | Intel Corporation | Method for making a semiconductor device having an ultra-thin high-k gate dielectric |
KR100821090B1 (ko) * | 2006-12-28 | 2008-04-08 | 동부일렉트로닉스 주식회사 | 반도체 소자 제조방법 |
JP2013008801A (ja) * | 2011-06-23 | 2013-01-10 | Toshiba Corp | 半導体装置 |
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JP2000195856A (ja) | 2000-07-14 |
JP3528151B2 (ja) | 2004-05-17 |
KR20000045310A (ko) | 2000-07-15 |
TW522560B (en) | 2003-03-01 |
US6365467B1 (en) | 2002-04-02 |
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