JP5535214B2 - 半導体プロセスチャンバのプロセスガス配送 - Google Patents
半導体プロセスチャンバのプロセスガス配送 Download PDFInfo
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- JP5535214B2 JP5535214B2 JP2011523982A JP2011523982A JP5535214B2 JP 5535214 B2 JP5535214 B2 JP 5535214B2 JP 2011523982 A JP2011523982 A JP 2011523982A JP 2011523982 A JP2011523982 A JP 2011523982A JP 5535214 B2 JP5535214 B2 JP 5535214B2
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- 238000000034 method Methods 0.000 title claims description 108
- 239000004065 semiconductor Substances 0.000 title description 6
- 239000000758 substrate Substances 0.000 claims description 53
- 238000012545 processing Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 233
- 239000002243 precursor Substances 0.000 description 39
- 229910052735 hafnium Inorganic materials 0.000 description 33
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 32
- 238000010926 purge Methods 0.000 description 29
- 238000000231 atomic layer deposition Methods 0.000 description 24
- 150000001875 compounds Chemical class 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 239000012159 carrier gas Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000001816 cooling Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910000449 hafnium oxide Inorganic materials 0.000 description 9
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000008021 deposition Effects 0.000 description 5
- 238000005137 deposition process Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- -1 hafnium oxide Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- PDPJQWYGJJBYLF-UHFFFAOYSA-J hafnium tetrachloride Chemical compound Cl[Hf](Cl)(Cl)Cl PDPJQWYGJJBYLF-UHFFFAOYSA-J 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 3
- 229940126062 Compound A Drugs 0.000 description 2
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- GNKTZDSRQHMHLZ-UHFFFAOYSA-N [Si].[Si].[Si].[Ti].[Ti].[Ti].[Ti].[Ti] Chemical compound [Si].[Si].[Si].[Ti].[Ti].[Ti].[Ti].[Ti] GNKTZDSRQHMHLZ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XYYLQHOCDBIFCW-UHFFFAOYSA-N [Hf].C(C)NCC Chemical compound [Hf].C(C)NCC XYYLQHOCDBIFCW-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000003931 anilides Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052914 metal silicate Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000012686 silicon precursor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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Description
Claims (15)
- ガス入口ファンネルと、
前記ガス入口ファンネルと交差するガス導管とを備え、
前記ガス導管が、ガスを受け取るための入口と、ガス導管から出て前記ガス入口ファンネルに入る前記ガスの流れを容易にするための出口とを有し、
前記ガス導管が、前記ガス入口ファンネルの容積よりも小さな容積を有し、
前記ガス導管が、前記ガス導管の入口付近の第1の断面から前記ガス導管の出口付近の第2の断面へと増大する断面を有し、
前記第2の断面が非円形である、
ガス配送組立品。 - 前記ガス導管が、前記ガス入口ファンネルの中心軸と交差する長手方向軸を有する、請求項1に記載のガス配送組立品。
- 2つのガス導管をさらに備え、前記2つのガス導管が、完全に対向する長手方向軸を有する、請求項2に記載のガス配送組立品。
- 2つのガス導管をさらに備え、前記2つのガス導管が、直角に交わる長手方向軸を有する、請求項1または2のいずれかに記載のガス配送組立品。
- 各ガス導管が、前記ガス入口ファンネルの前記中心軸に垂直な長手方向軸を有する、請求項1ないし4のいずれかに記載のガス配送組立品。
- 各ガス導管が、前記ガス入口ファンネルの前記中心軸に対してある角度で配置された長手方向軸を有する、請求項1ないし4のいずれかに記載のガス配送組立品。
- 前記各ガス導管に結合されてその導管を流れるガスを加熱するヒータをさらに備える、請求項1ないし6のいずれかに記載のガス配送組立品。
- 前記ガス入口ファンネルが、前記中心軸の少なくとも一部に沿ってガス流の方向で増大する断面を有する、請求項1ないし7のいずれかに記載のガス配送組立品。
- 各ガス導管の前記出口と前記入口の断面積の比が、3:1以上である、請求項1ないし8のいずれかに記載のガス配送組立品。
- 基板を処理するための装置であって、
ある内部容積を有するプロセスチャンバと、
前記プロセスチャンバの中にプロセスガスを導入するように前記プロセスチャンバに結合された、請求項1ないし9のいずれかに記載のガス配送組立品と
を備える、装置。 - 基板を処理するための方法であって、
1つまたは複数のガス導管を通して、前記1つまたは複数のガス導管と交差するガス入口ファンネルの中にプロセスガスを流し込むことと、
前記ガス入口ファンネルが、前記1つまたは複数のガス導管の各々の容積よりも大きな容積を有しており、
前記1つまたは複数のガス導管の各々が、長手方向軸に沿って流れの方向に第1の断面から第2の断面へと増大する断面を有しており、
前記第2の断面が非円形であり、
前記ガス入口ファンネルを経由して前記プロセスガスを前記基板に送り出すことと
を含む方法。 - 各ガス導管の長手方向軸が、前記ガス入口ファンネルの中心軸と交差する、請求項11に記載の方法。
- 少なくとも2つのガス導管から前記プロセスガスを流すことをさらに含み、前記少なくとも2つのガス導管が、完全に対向する長手方向軸を有する、請求項11ないし12のいずれかに記載の方法。
- 少なくとも2つのガス導管から前記プロセスガスを流すことをさらに含み、前記少なくとも2つのガス導管が、直角に交わる長手方向軸を有する、請求項11ないし12のいずれかに記載の方法。
- 各ガス導管に流される前記プロセスガスを加熱することをさらに含む、請求項11ないし14のいずれかに記載の方法。
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