JP2022108121A - クリーニング方法及び処理装置 - Google Patents
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- 238000004140 cleaning Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 46
- 239000010703 silicon Substances 0.000 claims abstract description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010453 quartz Substances 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 100
- 230000001965 increasing effect Effects 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 239000011810 insulating material Substances 0.000 description 12
- 239000012809 cooling fluid Substances 0.000 description 10
- 238000010926 purge Methods 0.000 description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 8
- 229920005591 polysilicon Polymers 0.000 description 8
- 238000005530 etching Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 239000003779 heat-resistant material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910020323 ClF3 Inorganic materials 0.000 description 1
- 101100441092 Danio rerio crlf3 gene Proteins 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- JOHWNGGYGAVMGU-UHFFFAOYSA-N trifluorochlorine Chemical compound FCl(F)F JOHWNGGYGAVMGU-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C16/44—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 method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4405—Cleaning of reactor or parts inside the reactor by using reactive gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0227—Pretreatment of the material to be coated by cleaning or etching
- C23C16/0236—Pretreatment of the material to be coated by cleaning or etching by etching with a reactive gas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/12—Gaseous compositions
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- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
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- Microelectronics & Electronic Packaging (AREA)
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Abstract
Description
図1を参照し、実施形態の処理装置の一例について説明する。図1は、実施形態の処理装置の一例を示す概略図である。
図5を参照し、実施形態のクリーニング方法の一例について説明する。以下では、前述の処理装置1においてウエハWにシリコン含有膜を成膜する処理を繰り返すことにより処理容器10内に堆積したシリコン含有膜を除去する場合を例に挙げて説明する。
10 処理容器
20 ガス供給部
40 加熱部
50 冷却部
60 温度センサ
90 制御部
Claims (12)
- 加熱部及び冷却部により温度調整可能な処理容器内に堆積したシリコン含有膜を除去するクリーニング方法であって、
前記処理容器内をクリーニング温度に安定化する工程と、
前記クリーニング温度に安定化された前記処理容器内にクリーニングガスを供給して前記シリコン含有膜を除去する工程と、
を有し、
前記シリコン含有膜を除去する工程において、前記処理容器内の温度に基づき前記加熱部の加熱能力及び前記冷却部の冷却能力を制御する、
クリーニング方法。 - 前記シリコン含有膜を除去する工程は、
前記冷却部を稼働させることなく、前記処理容器内にクリーニングガスを供給する第1のステップと、
前記処理容器内にクリーニングガスを供給することなく、前記冷却部を稼働させる第2のステップと、
を含む、
請求項1に記載のクリーニング方法。 - 前記シリコン含有膜を除去する工程は、
前記第1のステップと前記第2のステップとを含むサイクルを繰り返す第3のステップを更に含む、
請求項2に記載のクリーニング方法。 - 前記第1のステップにおいて前記処理容器内の温度が第1の温度以上となった場合に、前記第1のステップから前記第2のステップに移行する、
請求項3に記載のクリーニング方法。 - 前記第1の温度は、前記サイクルの途中で変更される、
請求項4に記載のクリーニング方法。 - 前記第2のステップにおいて前記処理容器内の温度が第2の温度以下となった場合に、前記第2のステップから前記第1のステップに移行する、
請求項3乃至5のいずれか一項に記載のクリーニング方法。 - 前記第2のステップにおいて前記処理容器内に不活性ガスを供給する、
請求項2乃至6のいずれか一項に記載のクリーニング方法。 - 前記シリコン含有膜を除去する工程は、前記冷却部を稼働させながら前記処理容器内にクリーニングガスを供給する第3のステップを含み、
前記第3のステップにおいて前記処理容器内の温度が第3の温度以上となった場合に前記加熱部の加熱能力に対する前記冷却部の冷却能力の比率を高くし、
前記第3のステップにおいて前記処理容器内の温度が前記第3の温度よりも低い第4の温度以下となった場合に前記比率を低くする、
請求項1に記載のクリーニング方法。 - 前記クリーニングガスは、ハロゲン含有ガスである、
請求項1乃至8のいずれか一項に記載のクリーニング方法。 - 前記処理容器は石英により形成され、前記クリーニングガスはF2ガスである、
請求項1乃至9のいずれか一項に記載のクリーニング方法。 - 前記クリーニング温度は、300℃~350℃である、
請求項1乃至10のいずれか一項に記載のクリーニング方法。 - シリコン含有膜を成膜する処理装置であって、
処理容器と、
前記処理容器内にクリーニングガスを供給するガス供給部と、
前記処理容器内を加熱する加熱部と、
前記処理容器内を冷却する冷却部と、
前記処理容器内の温度を検出する温度センサと、
制御部と、
を備え、
前記制御部は、
前記処理容器内をクリーニング温度に安定化する工程と、
前記クリーニング温度に安定化された前記処理容器内に前記ガス供給部からクリーニングガスを供給して前記シリコン含有膜を除去する工程と、
を実行するよう構成され、
前記制御部は、前記シリコン含有膜を除去する工程において、前記温度センサが検出する温度に基づき前記加熱部の加熱能力及び前記冷却部の冷却能力を制御する、
処理装置。
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US17/644,868 US11926891B2 (en) | 2021-01-12 | 2021-12-17 | Cleaning method and processing apparatus |
KR1020210192307A KR20220102110A (ko) | 2021-01-12 | 2021-12-30 | 클리닝 방법 및 처리 장치 |
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US7029536B2 (en) * | 2003-03-17 | 2006-04-18 | Tokyo Electron Limited | Processing system and method for treating a substrate |
US8460945B2 (en) | 2003-09-30 | 2013-06-11 | Tokyo Electron Limited | Method for monitoring status of system components |
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KR20220102110A (ko) | 2022-07-19 |
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