JP7285693B2 - ステージ装置および処理装置 - Google Patents
ステージ装置および処理装置 Download PDFInfo
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Description
<第1の実施形態>
まず、第1の実施形態について説明する。
最初に、第1の実施形態に係るステージ装置を備えた処理装置の一例について説明する。図1はこのような処理装置の一例を示す概略断面図、図2は第1の実施形態に係るステージ装置の一例を示す平面図である。
次に、ステージ装置50について詳細に説明する。
ステージ装置50は、ウエハWをステージ52に保持し、ウエハWとともにステージ52を回転させながらステージ52を介してウエハWを極低温に冷却するものである。
処理装置1においては、処理容器10内を真空状態とし、ステージ装置50の冷凍機60を作動させる。また、冷却ガス(例えばHeガス)を、冷却ガス流路76を介して隙間Gに供給する。これにより、極低温に保持された冷凍機60から冷凍伝熱機構58に伝熱された冷熱により、ステージ52が-20℃以下の極低温に保持される。より具体的には、冷凍機60から冷凍伝熱体65を経て第2伝熱部66に伝熱された冷熱が、隙間Gの冷却ガスを介してステージ52に伝熱され、ステージ52が-20℃以下の極低温に保持される。
次に、第2の実施形態について説明する。
図3は第2の実施形態に係るステージ装置を備えた処理装置の一例を示す概略断面図、図4は第2の実施形態に係るステージ装置の一例を示す平面図である。
次に、第3の実施形態について説明する。
図7は第3の実施形態に係るステージ装置を備えた処理装置の一例を示す概略断面図、図8は第3の実施形態に係るステージ装置の一例を示す平面図である。
以上、実施形態について説明したが、今回開示された実施形態は、全ての点で例示であって制限的なものではないと考えられるべきである。上記の実施形態は、添付の特許請求の範囲およびその主旨を逸脱することなく、様々な形態で省略、置換、変更されてもよい。
10;処理容器
30;ターゲット
50,50´,150;ステージ装置
52;ステージ
54;ステージ回転機構
56;ステージ昇降機構
58,58´,158;冷凍伝熱機構
60;冷凍機
61;静電チャック
62;チャック電極
64;第1伝熱部
65,165;冷凍伝熱体
66;第2伝熱部
70;回転軸
71;モータ
76,176;冷却ガス供給路
81,83,181,183;磁性流体シール
G;隙間
W;ウエハ(基板)
Claims (12)
- 基板を処理する処理装置において基板を保持するステージ装置であって、
処理容器内で基板を保持するステージと、
前記ステージの下面中心に下方に延びるように設けられた回転軸および前記回転軸を介して前記ステージを回転させるモータを有するステージ回転機構と、
前記ステージの下方の前記回転軸の外側位置に固定配置された、冷凍機の冷熱を伝熱する冷凍伝熱体を有し、前記ステージとの間に隙間を介して設けられた冷凍伝熱機構と、
前記隙間に前記冷凍伝熱機構の冷熱を前記ステージに伝熱するための冷却流体を供給する冷却流体供給機構と、
を有し、
前記冷却流体供給機構は、前記冷却流体を前記冷凍伝熱体の内部を通って前記隙間に供給する冷却流体供給路を有し、
前記処理装置により前記ステージに保持された基板を処理する際に、前記ステージ回転機構により前記ステージを回転させる、ステージ装置。 - 前記冷却流体は、冷却ガスである、請求項1に記載のステージ装置。
- 前記冷凍伝熱機構は、前記隙間を介して前記ステージに対応して設けられ、前記冷凍伝熱体が接続されるステージ側伝熱部をさらに有する、請求項1または請求項2に記載のステージ装置。
- 前記ステージと前記ステージ側伝熱部の間に、前記隙間を介してくし歯状の熱交換部を有している、請求項3に記載のステージ装置。
- 前記冷凍伝熱体は、柱状をなし、前記回転軸から偏心した位置に配置されている、請求項1から請求項4のいずれか一項に記載のステージ装置。
- 前記冷凍伝熱機構は、前記冷凍伝熱体を複数有する、請求項5に記載のステージ装置。
- 前記冷凍伝熱体は、円筒状をなし、前記回転軸を取り囲むように配置される、請求項1から請求項4のいずれか一項に記載のステージ装置。
- 前記ステージ回転機構の前記モータは、前記回転軸の周囲に配置されるダイレクトドライブモータである、請求項1から請求項7のいずれか一項に記載のステージ装置。
- 前記ステージは、-23~-223℃の温度に冷却される、請求項1から請求項8のいずれか一項に記載のステージ装置。
- 基板を処理する処理装置であって、
基板を収容する処理容器と、
前記処理容器内で基板を回転可能に保持するための、請求項1から請求項9のいずれか一項に記載のステージ装置と、
前記処理容器内で基板に処理を施す処理機構と、
を有する処理装置。 - 前記処理機構は、前記処理容器内の前記ステージの上方に配置された、スパッタリング成膜用のターゲットを有する、請求項10に記載の処理装置。
- 前記ターゲットは、トンネル磁気抵抗素子に用いられる磁性体を成膜する材料からなる、請求項11に記載の処理装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019096587A JP7285693B2 (ja) | 2019-05-23 | 2019-05-23 | ステージ装置および処理装置 |
KR1020200056430A KR20200135180A (ko) | 2019-05-23 | 2020-05-12 | 스테이지 장치 및 처리 장치 |
TW109115676A TW202109714A (zh) | 2019-05-23 | 2020-05-12 | 平台裝置及處理裝置 |
US16/881,693 US11251027B2 (en) | 2019-05-23 | 2020-05-22 | Stage device and processing apparatus |
KR1020220015605A KR102499908B1 (ko) | 2019-05-23 | 2022-02-07 | 스테이지 장치 및 처리 장치 |
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JP2019096587A JP7285693B2 (ja) | 2019-05-23 | 2019-05-23 | ステージ装置および処理装置 |
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JP2020190019A JP2020190019A (ja) | 2020-11-26 |
JP7285693B2 true JP7285693B2 (ja) | 2023-06-02 |
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JP2019096587A Active JP7285693B2 (ja) | 2019-05-23 | 2019-05-23 | ステージ装置および処理装置 |
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