JP2022541373A - 多孔質インレット - Google Patents
多孔質インレット Download PDFInfo
- Publication number
- JP2022541373A JP2022541373A JP2021571500A JP2021571500A JP2022541373A JP 2022541373 A JP2022541373 A JP 2022541373A JP 2021571500 A JP2021571500 A JP 2021571500A JP 2021571500 A JP2021571500 A JP 2021571500A JP 2022541373 A JP2022541373 A JP 2022541373A
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- JP
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- Prior art keywords
- inlet pipe
- reaction chamber
- gas
- outer tube
- gas permeable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 6
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- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- ZKXWKVVCCTZOLD-FDGPNNRMSA-N copper;(z)-4-hydroxypent-3-en-2-one Chemical compound [Cu].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O ZKXWKVVCCTZOLD-FDGPNNRMSA-N 0.000 description 1
- QYJPSWYYEKYVEJ-FDGPNNRMSA-L copper;(z)-4-oxopent-2-en-2-olate Chemical compound [Cu+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O QYJPSWYYEKYVEJ-FDGPNNRMSA-L 0.000 description 1
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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Images
Classifications
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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
- C23C16/44—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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45561—Gas plumbing upstream of the reaction chamber
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- C—CHEMISTRY; METALLURGY
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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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- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4404—Coatings or surface treatment on the inside of the reaction chamber or on parts thereof
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- 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
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- C23C16/4408—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber by purging residual gases from the reaction chamber or gas lines
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C23C16/448—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 characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
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- C23C16/45512—Premixing before introduction in the reaction chamber
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- C—CHEMISTRY; METALLURGY
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- C23C16/45519—Inert gas curtains
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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
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- C23C16/45519—Inert gas curtains
- C23C16/45521—Inert gas curtains the gas, other than thermal contact gas, being introduced the rear of the substrate to flow around its periphery
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- C—CHEMISTRY; METALLURGY
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- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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- C—CHEMISTRY; METALLURGY
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- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
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- C—CHEMISTRY; METALLURGY
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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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- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/4557—Heated nozzles
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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
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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
- C23C16/44—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
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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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Abstract
Description
インレット口を有する反応室と;
前記インレット口を通じて前記反応室に反応性化学物質を供給する引き込みラインと;
前記引き込みライン内の流入ガス流量制御手段と;
を備え、
前記引き込みラインは前記流量制御手段から前記反応室へと延びており、前記流量制御手段と前記反応室との間の前記引き込みラインの部分はガス透過壁を有するインレットパイプの形態を有しており、前記ガス透過壁を有する前記インレットパイプは、前記インレットパイプを少なくとも部分的に囲む空間を通じて前記インレット口の方へ延びており、
前記装置は前記インレットパイプの前記部分を囲み該部分に侵入する流体を供給するように構成される。
引き込みライン及び反応室インレット口を通じて前記装置の反応室に反応性化学物質を供給することと;
流入ガス流量制御手段により前記引き込みラインを制御することと;
を含み、
前記引き込みラインは前記流量制御手段から前記反応室へと延びており、前記流量制御手段と前記反応室との間の前記引き込みラインの部分はガス透過壁を有するインレットパイプの形態を有しており、前記ガス透過壁を有する前記インレットパイプは、前記インレットパイプを少なくとも部分的に囲む空間を通じて前記インレット口の方へ延びており、
前記方法は更に、前記インレットパイプの前記部分を囲み該部分に侵入する流体を供給することを含む、方法である。
インレット口を有する反応室と;
前記インレット口を通じて前記反応室に反応性化学物質を供給する引き込みラインと;
前記引き込みラインの部分であって、前記インレット口の上流に位置し、ガス透過壁を有するインレットパイプの形態を有する部分と;
を備える。
基板処理装置の反応室に、引き込みライン及び反応室のインレット口を通じて反応性化学物質を供給することを含み、ここで前記引き込みラインは前記インレット口の上流に位置し、ガス透過壁を有するインレットパイプの形態を有し、前記方法は更に、
前記インレットパイプの外側から前記ガス透過壁を通じて前記インレットパイプの内部に入る流体を供給することを含む。
反応室と;
前記反応室に反応性化学物質を供給する引き込みラインと;
前記反応室を少なくとも部分的に囲む真空室と;
前記反応室の壁と前記真空室の壁との間の中間領域と;
を備え、前記引き込みラインは前記中間領域においてガス透過壁を有する。
基板処理装置の反応室に引き込みラインを通じて反応性化学物質を供給することと;
前記反応室を囲む真空室を設けること、及び、前記反応室の壁と前記真空室の壁との間に中間領域を設けることと;
前記引き込みラインのガス透過壁を通じて前記中間領域から前記引き込みラインへと流体を流すことと;
を含む。
反応室と;
前記反応室に反応性化学物質を供給する引き込みラインと;
を備え、前記引き込みラインは、ガス透過壁を有するインナーパイプと該インナーパイプを囲むアウターチューブの形態を有する。
・ 赤外線(IR)ヒーター。インレットパイプ111とアウターチューブ120の間に設置される。赤外線ヒーターの赤外線は、インレットパイプ111とアウターチューブ120の少なくともいずれかに当たるか、これらの少なくともいずれかの内部の流体に当たる。
・ ガス透過壁の表面に作られるヒーター素子。例えば、ガス透過壁の表面にプリントされた厚いフィルム状のワイヤであって、例えば銀のインクや銀のペーストで作られるワイヤ。
・ アウターチューブ120の外面と内面との間に製造される(例えば成形される)ヒーター。
・ 流入するガス流量は0.001-20000sccmであり、又は1-1000sccmであり、例えば200sccmである。流入するガスはキャリアガスを含んでもよい。このキャリアガスは、インレットパイプのガス透過壁を通じて流入するガスと同じものであってもよい。
・ 流入するガスの温度は-60℃から1500℃、又は20から300℃、例えば100℃である。所望の温度を得るために、例えば酸化アルミニウム上のタングステンヒータを利用してもよい。
・ 中間領域におけるガス温度は0℃-900℃、又は50-500℃、又は80-450℃、例えば100℃である。
・ 中間領域におけるガス流量は、0.001-10000sccm、又は10-2000sccm、又は50-500sccm、又は100-200sccmである。(ガスが例えばポンプ150へと漏れることがあるかもしれない。また、図示されていないが、中間領域からガスを流出させる独立の経路が存在するかもしれない。)
・ アウターチューブとインナーパイプ(インレットパイプ)との間のガス流量は、0.001-1000sccm、又は0.1-100sccm、又は1-10sccmである。これは、アウターチューブとインナーパイプ(インレットパイプ)との間に圧力差が存在するように調整される。それは、インレットパイプを跨いで及び/又はガス透過壁を通ってガスが所望の方向に流れることを可能にするためである。
・ 反応室の内部と反応室の外部(これは中間領域190であるか、反応室側壁920で画成される空間である)との間のガス流量は、0.001-1000sccm、又は0.1-100sccm、又は1-10sccmである。これは、アウターチューブとインナーパイプ(インレットパイプ)との間に圧力差が存在するように調整される。それは、ガス透過壁を跨いで及び/又は通ってガスが所望の方向に流れることを可能にするためである。
・ アウターチューブとインレットパイプとの間のガスの温度は、使用される化学物質に応じて、60℃-1000℃、又は80-800℃、又は10-300℃である。
Claims (46)
- 基板処理装置であって、
インレット口を有する反応室と;
前記インレット口を通じて前記反応室に反応性化学物質を供給する引き込みラインと;
前記引き込みライン内の流入ガス流量制御手段と;
を備え、
前記引き込みラインは前記流量制御手段から前記反応室へと延びており、前記流量制御手段と前記反応室との間の前記引き込みラインの部分はガス透過壁を有するインレットパイプの形態を有しており、前記ガス透過壁を有する前記インレットパイプは、前記インレットパイプを少なくとも部分的に囲む空間を通じて前記インレット口の方へ延びており、
前記装置は前記インレットパイプの前記部分を囲み該部分に侵入する流体を供給するように構成される、
装置。 - 前記インレットパイプの周囲のアウターチューブであって、前記少なくとも部分的に囲む空間を提供するアウターチューブを備える、請求項1に記載の装置。
- 前記インレットパイプと前記アウターチューブとの間に不活性ガスを通すように構成される、請求項2に記載の装置。
- 前記インレットパイプと前記アウターチューブとの間に反応性流体を通し、それによって前記インレットパイプ内で前記反応性化学物質と前記反応性流体との間に反応を生じさせるように構成される、請求項2又は3に記載の装置。
- 前記反応室と外室の壁との間に中間領域を有し、前記中間領域は、前記引き込みラインを少なくとも部分的に囲む空間を提供する、請求項1から4のいずれかに記載の装置。
- 前記外室に、不活性ガスを前記中間領域へと通すためのフィードスルーを有する、請求項5に記載の装置。
- 前記少なくとも部分的に囲む空間内にヒーターを備える、請求項1から6のいずれかに記載の装置。
- 前記インレットパイプと前記アウターチューブとの間の空間内に少なくとも1つのヒーター要素を備える、請求項2に記載の装置。
- 前記流体によって、前記インレットパイプ内の前記反応性化学物質の加熱又は冷却を行うように構成される、請求項1から8のいずれかに記載の装置。
- 前記アウターチューブから前記反応室へ直接開口する開口部を有する、請求項2に記載の装置。
- 前記インレットパイプは、ガス透過性パイプ、多孔性パイプ、孔あきパイプ、複数のガス透過性ギャップを有する1つ又は複数の部分、の少なくともいずれかを有する、請求項1から10のいずれかに記載の装置。
- 前記流入ガス流量制御手段は三方弁である、請求項1から11のいずれかに記載の装置。
- 前記流入ガス流量制御手段の上流に第2のインレットパイプを備え、前記第2のインレットパイプはガス透過壁を備え、第2のアウターチューブによって囲まれる、請求項1から12のいずれかに記載の装置。
- 前記アウターチューブが断熱層を備えるか、又は、前記アウターチューブの周りに断熱層が設けられる、請求項2に記載の装置。
- 前記インレットパイプの前記ガス透過壁を囲む、連続し且つ互いに分離される複数のガス空間を、前記インレットパイプの流れ方向に沿って有する、請求項1から14のいずれかに記載の装置。
- 前記インレットパイプの前記反応室側の端部に粒子フィルタを備える、請求項1から15のいずれかに記載の装置。
- 前記インレットパイプと前記アウターチューブとの間の空間からポンプへの出口路を備える、請求項2に記載の装置。
- 頂部から前記反応室に近づいていく縦方向の引き込みラインを有する、請求項1から17のいずれかに記載の装置。
- 前記反応室内で基板表面に連続自己飽和表面反応を遂行する、請求項1から18のいずれかに記載の装置。
- 前記反応室はガス透過壁を有する、請求項1から19のいずれかに記載の装置。
- 前記反応室は多孔性材料から形成される、請求項1から20のいずれかに記載の装置。
- 少なくとも1つのガス透過壁を有する基板ホルダを備える、請求項1から21のいずれかに記載の装置。
- 前記反応室の下流にポンプフォアラインを有し、前記ポンプフォアラインはガス透過壁を有するパイプの形状を有する、請求項1から22のいずれかに記載の装置。
- 請求項1から23のいずれかに記載の装置の動作方法。
- 基板処理装置の動作方法であって、
引き込みライン及び反応室インレット口を通じて前記装置の反応室に反応性化学物質を供給することと;
流入ガス流量制御手段により前記引き込みラインを制御することと;
を含み、
前記引き込みラインは前記流量制御手段から前記反応室へと延びており、前記流量制御手段と前記反応室との間の前記引き込みラインの部分はガス透過壁を有するインレットパイプの形態を有しており、前記ガス透過壁を有する前記インレットパイプは、前記インレットパイプを少なくとも部分的に囲む空間を通じて前記インレット口の方へ延びており、
前記方法は更に、前記インレットパイプの前記部分を囲み該部分に侵入する流体を供給することを含む、
方法。 - 請求項25に記載の方法であって、
前記インレットパイプの周囲のアウターチューブであって、前記少なくとも部分的に囲む空間を提供することを含む、方法。 - 請求項26に記載の方法であって、
前記アウターチューブに不活性ガスを通すことを含む、方法。 - 請求項27又は28に記載の方法であって、
前記インレットパイプと前記アウターチューブとの間に反応性流体を通すことにより、前記反応性化学物質と前記インレットパイプ内の前記反応性流体との反応を生じさせることを含む、方法。 - 請求項25から28のいずれかに記載の方法であって、
前記反応室と前記外室の壁との間に中間領域を提供することを含み、前記中間領域は、前記引き込みラインを少なくとも部分的に囲む空間を提供する、方法。 - 請求項29に記載の方法であって、
前記アウターチューブの壁のフィードスルーを通じて前記中間領域に不活性ガスを通すことを含む、方法。 - 請求項25から30のいずれかに記載の方法であって、
ヒーターによって前記少なくとも部分的に囲む空間を暖めることを含む、方法。 - 請求項25、及び請求項25に従属する請求項26から31の、いずれか1項に記載の方法であって、
前記インレットパイプと前記アウターチューブとの間の空間設置された少なくとも1つのヒーター要素により前記装置を暖めることを含む、方法。 - 請求項25から32のいずれかに記載の方法であって、
前記インレットパイプ内の前記反応性化学物質を該インレットパイプを囲む流体で暖めるか冷やすことを含む、方法。 - 請求項25、及び請求項25に従属する請求項26から33の、いずれか1項に記載の方法であって、
前記アウターチューブから直接前記反応室に入り込む流体を供給することを含む、方法。 - 請求項25から34のいずれかに記載の方法であって、
前記引き込みライン内のガス流を三方弁によって制御することを含む、方法。 - 請求項25から35のいずれかに記載の方法であって、
前記流入ガス流量制御手段の上流に第2のインレットパイプを提供することを含み、前記第2のインレットパイプはガス透過壁を備え、第2のアウターチューブによって囲まれ、
前記方法は更に、前記第2のインレットパイプを囲み該第2のインレットパイプに侵入する流体を供給することを含む、
方法。 - 請求項25、及び請求項25に従属する請求項26から36の、いずれか1項に記載の方法であって、
前記アウターチューブを断熱層で覆うことを含む、方法。 - 請求項25から37のいずれかに記載の方法であって、
前記インレットパイプの前記ガス透過壁を囲む、連続し且つ互いに分離される複数のガス空間を、前記インレットパイプの流れ方向に沿って設けることを含む、方法。 - 請求項25から38のいずれかに記載の方法であって、
前記インレットパイプの前記反応室側の端部の粒子フィルタで粒子を除去することを含む、方法。 - 請求項25、及び請求項25に従属する請求項26から39の、いずれか1項に記載の方法であって、
前記インレットパイプと前記アウターチューブとの間の空間から、前記反応室をバイパスする出口路に物質を排出することを含む、方法。 - 請求項25から40のいずれかに記載の方法であって、
縦方向の引き込みラインを通じて頂部から前記反応室に近づくことを含む、方法。 - 請求項25から41のいずれかに記載の方法であって、
前記反応室内の基板表面に連続自己飽和表面反応を遂行することを含む、方法。 - 前記反応室がガス透過壁を有する、請求項25から42のいずれかに記載の方法であって、
前記反応室を囲み前記ガス透過壁を通じて前記反応室に侵入する流体を供給することを含む、方法。 - 前記反応室は多孔性材料から形成される、請求項25から43のいずれかに記載の方法。
- 少なくとも1つのガス透過壁を有する基板ホルダを備える、請求項25から44のいずれかに記載の方法
- 請求項45に記載の方法であって、
前記基板ホルダの内部に流体を供給することを含み、該流体は前記基板ホルダの内部から前記少なくとも1つのガス透過壁を通って前記反応室に侵入する、方法。
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