JP2023103851A - 成膜装置及び成膜方法 - Google Patents
成膜装置及び成膜方法 Download PDFInfo
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- JP2023103851A JP2023103851A JP2022004618A JP2022004618A JP2023103851A JP 2023103851 A JP2023103851 A JP 2023103851A JP 2022004618 A JP2022004618 A JP 2022004618A JP 2022004618 A JP2022004618 A JP 2022004618A JP 2023103851 A JP2023103851 A JP 2023103851A
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- H01J37/32—Gas-filled discharge tubes
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- 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
- C23C16/40—Oxides
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- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the 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
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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
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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
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Abstract
Description
(全体構成)
図1~図3を参照し、実施形態に係る成膜装置について説明する。図1は、実施形態に係る成膜装置を示す概略縦断面図である。図2は、実施形態に係る成膜装置を示す概略平面図である。図2では、説明の便宜上、天板11の図示を省略している。図3は、実施形態に係るプラズマ処理装置の回転テーブル2の同心円に沿った断面図である。図3では、一方の分離領域Dから第1の処理領域P1を経て他方の分離領域Dまでの断面を示す。
図4を参照し、実施形態に係る成膜装置が備える加熱装置120の一例について説明する。図4に、加熱装置120の構成を示す分解斜視図を示す。
図5~図7を参照し、実施形態に係る成膜装置が備えるプラズマ発生装置80の一例について説明する。図5は、プラズマ発生装置80の主要部分を示す図である。
図8を参照し、実施形態に係る成膜装置の動作、すなわち成膜方法の一例について説明する。以下では、基板Wにシリコン酸化膜を成膜する場合を説明する。実施形態に係る成膜方法は、制御部150が成膜装置の各部を制御することにより実施される。
2 回転テーブル
24 凹部
80 プラズマ発生装置
83 コイル
87a,87b 昇降機構
92 突出部
120 加熱装置
P1 第1の処理領域
P2 第2の処理領域
P3 第3の処理領域
W 基板
Claims (8)
- 処理室と、
前記処理室内に設けられ、基板を載置する基板載置領域を有する回転テーブルと、
前記回転テーブルの周方向に沿って設けられ、第1の処理ガスを前記基板載置領域に供給する第1の処理領域と、
前記回転テーブルの周方向において前記第1の処理領域よりも下流側に設けられ、前記第1の処理ガスと反応して反応生成物を生成する第2の処理ガスを前記基板載置領域に供給する第2の処理領域と、
前記回転テーブルの周方向において前記第2の処理領域よりも下流側に設けられ、第3の処理ガスを活性化させて前記基板載置領域に供給する第3の処理領域と、
前記第2の処理領域において前記回転テーブルの上方に設けられ、前記基板を加熱する第1の加熱装置と、
前記第3の処理領域において前記第3の処理ガスを活性化させるプラズマ発生装置と、
を備え、
前記プラズマ発生装置は、
前記処理室の上面の一部において、前記回転テーブルの半径に沿って延びた縦長の平面形状を有し、前記上面から上方に突出した突出部と、
前記突出部の側面に沿って巻回され、縦長の平面形状を有して設けられたコイルと、
を有する、
成膜装置。 - 前記回転テーブルの下方に設けられ、前記基板を加熱する第2の加熱装置を備え、
前記第2の加熱装置は、前記基板を650℃以上850℃以下の温度に加熱するように構成される、
請求項1に記載の成膜装置。 - 前記プラズマ発生装置は、前記コイルの長手方向における両端を独立に上下動でき、前記コイルの前記長手方向における傾きを変更可能な傾き調整機構を有する、
請求項1又は2に記載の成膜装置。 - 処理室内に設けられた回転テーブル上に載置された基板の表面に、前記回転テーブルの周方向に沿って設けられた第1の処理領域において第1の処理ガスを吸着させる工程と、
前記回転テーブルを回転させ、前記回転テーブルの周方向において前記第1の処理領域よりも下流側にある第2の処理領域において、前記第1の処理ガスが吸着した前記基板の表面に前記第1の処理ガスと反応して反応生成物を生成する第2の処理ガスを供給し、前記基板の表面上に前記反応生成物を堆積させる工程と、
前記回転テーブルを回転させ、前記回転テーブルの周方向において前記第2の処理領域よりも下流側に設けられ、プラズマ発生装置により第3の処理ガスを活性化させて前記基板に供給する工程と、
前記回転テーブルを回転させ、前記第2の処理領域において、前記回転テーブルよりも上方に設けられる第1の加熱装置を用いて前記基板を加熱する工程と、
を有し、
前記プラズマ発生装置は、
前記処理室の上面の一部において、前記回転テーブルの半径に沿って延びた縦長の平面形状を有し、前記上面から上方に突出した突出部と、
前記突出部の側面に沿って巻回され、縦長の平面形状を有して設けられたコイルと、
を有する、
成膜方法。 - 前記基板を加熱する工程は、前記第1の処理ガスを吸着させる工程と、前記反応生成物を堆積させる工程と、前記反応生成物を改質する工程とを含む第1のサイクルを複数回繰り返した後に行われる、
請求項4に記載の成膜方法。 - 前記第1のサイクルは、前記基板を650℃以上850℃以下の温度に加熱して行われる、
請求項5に記載の成膜方法。 - 前記第1のサイクルと、前記基板を加熱する工程とを含む第2のサイクルを複数回繰り返す、
請求項5又は6に記載の成膜方法。 - 前記第1のサイクルは、前記回転テーブルを連続的に回転させながら行われ、
前記基板を加熱する工程は、前記回転テーブルを間欠的に回転させながら行われる、
請求項5乃至7のいずれか一項に記載の成膜方法。
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JP2019220515A (ja) * | 2018-06-15 | 2019-12-26 | 東京エレクトロン株式会社 | 基板処理装置 |
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