JP7446189B2 - 処理装置及び処理方法 - Google Patents
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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
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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
- 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
- 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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- 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
- C23C16/45502—Flow conditions in reaction chamber
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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
- 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
- C23C16/45523—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
- C23C16/45546—Atomic layer deposition [ALD] characterized by the apparatus specially adapted for a substrate stack in the ALD reactor
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- 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
- C23C16/45574—Nozzles for more than one gas
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- 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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- C23C16/00—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
- C23C16/52—Controlling or regulating the coating process
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H10P14/6339—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE or pulsed CVD
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- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0431—Apparatus for thermal treatment
- H10P72/0432—Apparatus for thermal treatment mainly by conduction
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Description
デバイスデザインが微細化・複雑化する中で、バッチ式の縦型熱処理装置による成膜処理において、ウエハ上の形成された表面積が大きいパターンに対して良好な面内均一性で膜を成膜することが求められている。縦型熱処理装置では、ウエハの周囲からウエハ中心に向けてガスを供給する。これにより、ウエハ端部で多くのガスが消費されるため、ウエハ端部に比べてウエハ中心にガスが行き渡りにくい。そのため、ウエハ中心の膜厚が、ウエハ端部の膜厚よりも薄くなりやすい。
図1及び図2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2は、ガスノズルの配置の一例を示す概略図である。
実施形態の処理方法の一例として、図1及び図2に示される処理装置1を用いて原子層堆積(ALD:Atomic Layer Deposition)法により、ウエハWにシリコン酸化膜を成膜する方法について説明する。
まず、図1及び図2に示されるようなバッチ式の縦型熱処理装置において、N2ガスノズルの位置及びN2ガスの流量(以下「N2流量」という。)を変更した場合における処理容器内の原料ガス濃度分布について、熱流体解析によるシミュレーションを実施した。シミュレーション条件は以下である。
N2ガスノズルの位置:30°、60°、120°、175°
ノズル1本あたりのN2流量:1000sccm、2000sccm、3000sccm
なお、N2ガスノズルの位置は、処理容器の長手方向からの平面視において、原料ガスノズルの位置を、処理容器の中心を基準とする中心角0°の始点とするときの角度で示す。
N2ガスノズルの位置:60°、90°、120°、130°、140°、150°、160°、170°、175°、180°
ノズル1本あたりのN2流量:1000sccm、2000sccm、3000sccm
図7は、N2ガスノズルの位置を説明するための図である。図7に示されるように、N2ガスノズルの位置Y1は、処理容器の長手方向からの平面視において、原料ガスノズルの位置Y2を、処理容器の中心を基準とする中心角0°の始点とするときの角度θで示す。
10 処理容器
31~37 ガスノズル
41、42 ガスノズル
41a、42a ガス孔
60 排気構造体
61 突出部
63 排気スリット
W ウエハ
Claims (10)
- 略円筒形状の処理容器と、
前記処理容器の側壁の内側に沿って該処理容器の長さ方向に延設する処理ガスノズルと、
前記処理ガスノズルに対向させて前記処理容器の反対側の側壁に形成された排気構造体と、
前記処理容器の中心に向けて濃度調整用ガスを吐出する濃度調整用ガスノズルと、
を備え、
前記長さ方向からの平面視において、前記濃度調整用ガスノズルは前記処理容器の中心を基準とする中心角で前記排気構造体が形成された角度範囲内に設けられている、
処理装置。 - 前記排気構造体は、
前記処理容器の側壁の一部を外側へ向けて突出させて形成された突出部と、
前記突出部の先端に形成された排気スリットと、
を含む、
請求項1に記載の処理装置。 - 前記濃度調整用ガスノズルは、前記排気スリットよりも前記処理容器の中心に近い位置に設けられている、
請求項2に記載の処理装置。 - 前記排気構造体は、前記処理容器の側壁の一部を開口した排気スリットにより形成されており、
前記濃度調整用ガスノズルは、前記排気スリットよりも前記処理容器の中心から離れた位置に設けられている、
請求項1に記載の処理装置。 - 前記濃度調整用ガスノズルは、前記処理容器の内壁に沿って鉛直方向に延設する、
請求項1乃至4のいずれか一項に記載の処理装置。 - 前記濃度調整用ガスノズルは、前記処理容器の中心側に配向する複数のガス孔を有する、
請求項1乃至5のいずれか一項に記載の処理装置。 - 前記濃度調整用ガスノズルは、前記処理容器の中心と前記処理ガスノズルとを結ぶ直線に対して対称に配置された2本のガスノズルを含む、
請求項1乃至6のいずれか一項に記載の処理装置。 - 前記処理容器は、複数の基板を鉛直方向に間隔を有して略水平に収容する、
請求項1乃至7のいずれか一項に記載の処理装置。 - 前記濃度調整用ガスは、不活性ガスである、
請求項1乃至8のいずれか一項に記載の処理装置。 - 略円筒形状の処理容器内に基板を搬入する工程と、
前記処理容器の側壁の内側に沿って該処理容器の長さ方向に延設する処理ガスノズルから前記処理容器内に処理ガスを供給し、濃度調整用ガスノズルから前記処理容器の中心に向けて濃度調整用ガスを供給すると共に、前記処理ガスノズルに対向させて前記処理容器の反対側の側壁に形成された排気構造体から前記処理ガス及び前記濃度調整用ガスを排気する工程と、
を有し、
前記長さ方向からの平面視において、前記濃度調整用ガスノズルは前記処理容器の中心を基準とする中心角で前記排気構造体が形成された角度範囲内に設けられている、
処理方法。
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| JP2020156408A JP7446189B2 (ja) | 2020-09-17 | 2020-09-17 | 処理装置及び処理方法 |
| KR1020210118586A KR102904254B1 (ko) | 2020-09-17 | 2021-09-06 | 처리 장치 및 처리 방법 |
| CN202111055269.6A CN114203534A (zh) | 2020-09-17 | 2021-09-09 | 处理装置和处理方法 |
| US17/472,920 US11859285B2 (en) | 2020-09-17 | 2021-09-13 | Processing apparatus and processing method |
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Citations (5)
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|---|---|---|---|---|
| JP2010050439A (ja) | 2008-07-23 | 2010-03-04 | Hitachi Kokusai Electric Inc | 基板処理装置 |
| WO2018154823A1 (ja) | 2017-02-23 | 2018-08-30 | 株式会社Kokusai Electric | 基板処理装置、半導体装置の製造方法およびプログラム |
| JP2018195727A (ja) | 2017-05-18 | 2018-12-06 | 東京エレクトロン株式会社 | 成膜方法および成膜装置 |
| JP2019062053A (ja) | 2017-09-26 | 2019-04-18 | 株式会社Kokusai Electric | 基板処理装置、反応管、半導体装置の製造方法、及びプログラム |
| WO2020090161A1 (ja) | 2018-10-31 | 2020-05-07 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置、およびプログラム |
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| JP5222652B2 (ja) * | 2008-07-30 | 2013-06-26 | 株式会社日立国際電気 | 基板処理装置及び半導体装置の製造方法 |
| JP5250600B2 (ja) | 2009-11-27 | 2013-07-31 | 東京エレクトロン株式会社 | 成膜方法および成膜装置 |
| KR102385545B1 (ko) * | 2015-07-23 | 2022-04-12 | 삼성전자주식회사 | 가스 인젝터를 갖는 웨이퍼 처리 장치 |
| JP6616895B2 (ja) * | 2016-06-07 | 2019-12-04 | 株式会社Kokusai Electric | 基板処理装置および半導体装置の製造方法並びにプログラム |
| WO2018008088A1 (ja) * | 2016-07-05 | 2018-01-11 | 株式会社日立国際電気 | 基板処理装置、ガスノズルおよび半導体装置の製造方法 |
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- 2021-09-09 CN CN202111055269.6A patent/CN114203534A/zh active Pending
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010050439A (ja) | 2008-07-23 | 2010-03-04 | Hitachi Kokusai Electric Inc | 基板処理装置 |
| WO2018154823A1 (ja) | 2017-02-23 | 2018-08-30 | 株式会社Kokusai Electric | 基板処理装置、半導体装置の製造方法およびプログラム |
| JP2018195727A (ja) | 2017-05-18 | 2018-12-06 | 東京エレクトロン株式会社 | 成膜方法および成膜装置 |
| JP2019062053A (ja) | 2017-09-26 | 2019-04-18 | 株式会社Kokusai Electric | 基板処理装置、反応管、半導体装置の製造方法、及びプログラム |
| WO2020090161A1 (ja) | 2018-10-31 | 2020-05-07 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置、およびプログラム |
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| US20220081773A1 (en) | 2022-03-17 |
| KR102904254B1 (ko) | 2025-12-24 |
| JP2022050045A (ja) | 2022-03-30 |
| KR20220037352A (ko) | 2022-03-24 |
| CN114203534A (zh) | 2022-03-18 |
| US11859285B2 (en) | 2024-01-02 |
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