JP7311096B2 - 基板加熱ユニット、基板処理装置および基板処理方法 - Google Patents
基板加熱ユニット、基板処理装置および基板処理方法 Download PDFInfo
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- JP7311096B2 JP7311096B2 JP2020202481A JP2020202481A JP7311096B2 JP 7311096 B2 JP7311096 B2 JP 7311096B2 JP 2020202481 A JP2020202481 A JP 2020202481A JP 2020202481 A JP2020202481 A JP 2020202481A JP 7311096 B2 JP7311096 B2 JP 7311096B2
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Classifications
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
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- H01L21/67005—Apparatus not specifically provided for elsewhere
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B08—CLEANING
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- B08B3/04—Cleaning involving contact with liquid
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- H01L21/68764—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a movable susceptor, stage or support, others than those only rotating on their own vertical axis, e.g. susceptors on a rotating caroussel
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- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K2101/40—Semiconductor devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K2103/56—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26 semiconducting
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
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Description
2 処理容器(液回収ユニット)
3 基板支持ユニット
31 スピンヘッド
311 ヘッド本体
312 露出開口
313 支持プレート
314 支持ピン
32 基板チャック
321 チャックピン
4 第1昇降駆動ユニット
5 回転駆動ユニット
51 ヘッド支持部材
511 ビーム通路
6 第2昇降駆動ユニット
61 ハウジング
7 液供給ユニット
73 ノズル
8 基板加熱ユニット
81 レーザー発生器
82 ビームシェーパー
821 レンズアセンブリ
822 集光レンズ
83 温度検出器
84 制御器
B1 第1ビーム
B2 第2ビーム
LA1、LA2、LA3、LA4 レンズアレイ
W 基板
Claims (10)
- 基板を加熱するためのレーザービームを提供するレーザー発生器と、
前記レーザー発生器からの前記レーザービームを加工して、均一化されたエネルギー分布を有する第1ビーム、および縁部領域が強化されたエネルギー分布を有する第2ビームのうちのいずれか一つを前記基板に選択的に提供するビームシェーパーと、を含み、
前記ビームシェーパーは、
前記レーザービームを複数に分割するレンズアセンブリと、
前記レンズアセンブリによって分割された前記レーザービームを前記基板に集光させる集光レンズと、を含み、
前記レンズアセンブリは、前記レーザービームが移動する経路上に前記経路に沿って配列された複数のレンズアレイを含み、
複数の前記レンズアレイのうちの少なくとも一つは、前記経路に沿って移動可能であり、
移動可能な前記レンズアレイは、前記レーザービームが前記第1ビームに加工される第1位置、および前記第2ビームに加工される第2位置のうちのいずれか一つに選択的に配置されることを特徴とする、基板加熱ユニット。 - 前記ビームシェーパーは、移動可能な前記レンズアレイを移動させるレンズ駆動機構をさらに含むことを特徴とする、請求項1に記載の基板加熱ユニット。
- 前記基板の温度分布を検出する温度検出器と、
前記温度検出器によって検出された前記基板の温度分布に基づいて前記レンズ駆動機構の作動を制御する制御器と、をさらに含むことを特徴とする、請求項2に記載の基板加熱ユニット。 - 複数の前記レンズアレイは、
位置が固定された第1レンズアレイ、および
前記第1レンズアレイと前記集光レンズとの間に前記経路に沿って移動可能に提供された第2レンズアレイであることを特徴とする、請求項1に記載の基板加熱ユニット。 - 前記第1レンズアレイ、前記第2レンズアレイおよび前記集光レンズは同軸に配置されたことを特徴とする、請求項4に記載の基板加熱ユニット。
- 移動可能な前記レンズアレイが選択的に配置される前記第1位置と前記第2位置は、それぞれ下記数式を満足する位置と下記数式を満足しない位置であり、
式中、d12は前記第1レンズアレイと前記第2レンズアレイとの間の距離であり、f2は前記第2レンズアレイの焦点距離であることを特徴とする、請求項4に記載の基板加熱ユニット。 - 複数の前記レンズアレイは、
位置が固定された第1レンズアレイ、
前記第1レンズアレイと前記集光レンズとの間に前記経路に沿って移動可能に提供された第2レンズアレイ、および
前記第2レンズアレイと前記集光レンズとの間に前記経路に沿って移動可能に提供された第3レンズアレイであることを特徴とする、請求項1に記載の基板加熱ユニット。 - 前記第1レンズアレイ、前記第2レンズアレイ、前記第3レンズアレイおよび前記集光レンズは同軸に配置されたことを特徴とする、請求項7に記載の基板加熱ユニット。
- 移動可能な前記レンズアレイが選択的に配置される前記第1位置と前記第2位置のうち、前記第1位置が下記数式1と下記数式2のうちの少なくとも一つを満足する位置であり、前記第2位置が下記数式1と下記数式2の両方ともを満足しない位置であり、
これらの式中、
d12は前記第1レンズアレイと前記第2レンズアレイとの間の距離であり、
d23は前記第2レンズアレイと前記第3レンズアレイとの間の距離であり、
f2は前記第2レンズアレイの焦点距離であり、
f3は前記第3レンズアレイの焦点距離であることを特徴とする、請求項7に記載の基板加熱ユニット。 - 複数の前記レンズアレイをそれぞれ構成するレンズレットは、前記基板に対応する形状に形成されたことを特徴とする、請求項1に記載の基板加熱ユニット。
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