JP2022112423A - プラズマ処理装置 - Google Patents
プラズマ処理装置 Download PDFInfo
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- 238000005040 ion trap Methods 0.000 claims abstract description 50
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000010453 quartz Substances 0.000 claims description 7
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
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- 230000003028 elevating effect Effects 0.000 description 2
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- 238000004804 winding Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 210000000746 body region Anatomy 0.000 description 1
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- 229910001873 dinitrogen Inorganic materials 0.000 description 1
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- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
前記処理室内に設けられ、基板を周方向に沿って載置可能な回転テーブルと、
前記回転テーブルに処理ガスを供給可能な処理ガス供給ノズルと、
前記処理室上であって、前記処理ガス供給ノズルの少なくとも一部を覆う位置に設けられたプラズマアンテナと、
前記処理ガス供給ノズルよりも上方であって、前記処理室内の前記プラズマアンテナの少なくとも一部と重なる位置に設けられたイオントラッププレートと、を有する。
図1に、本発明の実施形態に係るプラズマ処理装置の一例の概略縦断面図を示す。また、図2に、本実施形態に係るプラズマ処理装置の一例の概略平面図を示す。なお、図2では、説明の便宜上、天板11の描画を省略している。
図14は、イオントラッププレートを設けた本実施形態に係るプラズマ処理装置の一例を示した図である。図14においては、プラズマ処理領域P3を拡大して示している。図14は、透過的にプラズマ処理領域P3が示されているが、筐体90は透明であるから、上面図と同義である。図4で説明したように、プラズマトラッププレート140は、真空容器1内に設けられる。
2 サセプタ
24 凹部
31、32 処理ガスノズル
33~35 プラズマ処理用ガスノズル
36 ガス吐出孔
41、42 分離ガスノズル
80 プラズマ発生装置
81 アンテナ装置
83 アンテナ
85 高周波電源
86 接続電極
87 上下動機構
88 リニアエンコーダー
89 支点治具
95 ファラデーシールド
120~122 ガス供給源
130~132 流量制御器
140~147 イオントラッププレート
150 ピボット軸
830、830a~830d アンテナ部材
831 連結部材
832 スペーサ
P1 第1の処理領域(原料ガス供給領域)
P2 第2の処理領域(反応ガス供給領域)
P3 第3の処理領域(プラズマ処理領域)
W ウエハ
Claims (10)
- 処理室と、
前記処理室内に設けられ、基板を周方向に沿って載置可能な回転テーブルと、
前記回転テーブルに処理ガスを供給可能な処理ガス供給ノズルと、
前記処理室上であって、前記処理ガス供給ノズルの少なくとも一部を覆う位置に設けられたプラズマアンテナと、
前記処理ガス供給ノズルよりも上方であって、前記処理室内の前記プラズマアンテナの少なくとも一部と重なる位置に設けられたイオントラッププレートと、を有するプラズマ処理装置。 - 前記プラズマアンテナは、前記回転テーブルを半径方向において覆うように設けられ、
前記イオントラッププレートは、前記半径方向に延在する平面形状を有する請求項1に記載のプラズマ処理装置。 - 前記イオントラッププレートの前記プラズマアンテナと重なる領域が、前記回転テーブルの外周側よりも中心側において広くなるように前記イオントラッププレートが配置される請求項2に記載のプラズマ処理装置。
- 前記プラズマアンテナは、前記半径方向に沿って延びたコイル形状を有し、
前記イオントラッププレートは、前記プラズマアンテナの一部を斜めに覆うように配置される請求項3に記載のプラズマ処理装置。 - 前記プラズマアンテナは、前記回転テーブルの前記中心側が前記外周側よりも高くなるように傾斜して配置されている請求項3又は4に記載のプラズマ処理装置。
- 前記イオントラッププレートは、前記処理ガス供給ノズル上に配置された請求項3~5のいずれか一項に記載のプラズマ処理装置。
- 前記イオントラッププレートは、イオンを遮蔽できる部材で構成された請求項3~6のいずれか一項に記載のプラズマ処理装置。
- 前記イオントラッププレートは、石英からなる請求項7に記載のプラズマ処理装置。
- 前記イオントラッププレートは、可動である請求項3~8のいずれか一項に記載のプラズマ処理装置。
- 前記イオントラッププレートは、前記中心側にピボット固定され、角度調整が可能である請求項9に記載のプラズマ処理装置。
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