JP2017163143A - 基板の蒸気相ヒドロキシルラジカル処理のためのシステム及び方法 - Google Patents
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Abstract
Description
本願は、2016年3月9日に出願された米国仮出願第62/305,715号の優先権を主張するものであり、その全内容は参照により本明細書に組み込まれる。
前記基板処理システムの蒸気処理領域内で過酸化水素蒸気を受け取るステップと、
前記蒸気処理領域内の前記過酸化水素蒸気を処理することによってヒドロキシルラジカル蒸気を生成するステップと、
前記ヒドロキシルラジカル蒸気及び残りの過酸化水素蒸気を前記基板の前記作業表面に向けるステップ(directing)であって、前記炭素含有材料を化学的に改質させる(modified)、ステップと、
を含む。
過酸化水素蒸気を受け取るように構成された入口と、
ヒドロキシルラジカル蒸気を生成するように、前記過酸化水素蒸気を十分なUV放射に曝露するように構成された紫外線(UV)源と、
前記ヒドロキシルラジカル蒸気及び前記残りの過酸化水素蒸気を基板に向けるように構成された出口であって、前記基板は前記基板の作業表面上に炭素含有材料の層を含み、前記炭素含有材料を化学的に改質させる、出口と、
を含む。
ことができる。
O2+hv(<230nm) → 2O
O+O2+M=O3+M (Mは不活性な第3のボディ、例えばN2)
O3+hv(254nm) → O+O2
O+H2O → 2HO・
H2O2+hv (<300nm) = 2HO・
102 基板処理チャンバ
104 基板
106 UV源
108 UV透過窓
110 H2O2発生器
112 蒸気オゾン発生器
114 蒸気発生器
118 コントローラ
120 蒸気処理領域
Claims (20)
- 基板を処理するための方法であって、
基板処理システムの処理チャンバ内に基板を位置決めするステップであって、前記基板は、前記基板の作業表面上に炭素含有材料の層を含むステップと、
前記基板処理システムの蒸気処理領域内で過酸化水素蒸気を受け取るステップと、
前記蒸気処理領域内の前記過酸化水素蒸気を処理することによってヒドロキシルラジカル蒸気を生成するステップと、
前記ヒドロキシルラジカル蒸気及び残りの過酸化水素蒸気を前記基板の作業表面に向けるステップであって、前記炭素含有材料を化学的に改質させる、ステップと、
を含む方法。 - 十分なヒドロキシルラジカル蒸気が、炭素含有材料の前記層と接触して、前記炭素含有材料を酸化して気体状態にする、請求項1に記載の方法。
- 酸化された炭素含有材料を前記処理チャンバから除去するステップをさらに含む、請求項2に記載の方法。
- 前記過酸化水素蒸気を処理するステップが、前記過酸化水素蒸気を紫外線に暴露するステップを含む、請求項1に記載の方法。
- 前記過酸化水素蒸気を紫外線に暴露するステップが、十分な紫外線に暴露することを含み、前記ヒドロキシルラジカル蒸気が前記過酸化水素蒸気から生成される、請求項4に記載の方法。
- 前記ヒドロキシルラジカル蒸気を前記基板の前記作業表面に向けるステップは、前記基板を摂氏100度未満に維持することを含む、請求項1に記載の方法。
- 前記ヒドロキシルラジカル蒸気を前記基板の前記作業表面に向けるステップは、前記基板を、前記処理チャンバの所与の圧力に対して前記過酸化水素蒸気の凝縮温度よりも低い温度に維持することを含む、請求項1に記載の方法。
- 前記過酸化水素蒸気を受け取るステップが、大気圧で前記過酸化水素蒸気を受け取ることを含む、請求項1に記載の方法。
- 前記蒸気処理領域は、前記基板が前記処理チャンバ内に位置決めされるときに、前記基板上の前記処理チャンバ内の領域を含む、請求項1に記載の方法。
- 前記蒸気処理領域は、前記処理チャンバの外側に配置される、請求項1に記載の方法。
- 前記蒸気処理領域が、紫外光を受光するように構成された石英導管を含む、請求項1に記載の方法。
- 炭素含有材料の前記層が、アモルファスカーボン、フォトレジスト、スピンオンカーボン、及びエッチング後ポリマー残渣からなる群から選択される、請求項1に記載の方法。
- 前記過酸化水素蒸気を受け取るステップは、前記過酸化水素蒸気をキャリアガスと共に受け取ることを含み、且つ、前記過酸化水素蒸気の濃度が1〜40%である、請求項1に記載の方法。
- 前記ヒドロキシルラジカル蒸気を前記基板の前記作業表面に向けるステップは、炭素含有材料の前記層を部分的に酸化するため、十分なヒドロキシルラジカル蒸気を向けることを含む、請求項1に記載の方法。
- 請求項1に記載の方法であって、
前記基板処理システムの前記蒸気処理領域内にアルカン又はアルケンを受け取るステップと、
前記過酸化水素蒸気を処理すること、及び前記蒸気処理領域内の前記アルカン又はアルケンを処理することによって有機過酸化物を生成するステップと、
前記ヒドロキシルラジカル蒸気、前記有機過酸化物及び残存する過酸化水素蒸気を前記基板の作業表面に向けるステップであって、それによりヒドロキシルラジカル蒸気が炭素含有材料の前記層と接触するようにする、ステップと、
をさらに含む、方法。 - 前記過酸化水素蒸気を紫外線放射に暴露するステップは、紫外線放射が前記基板の前記作業表面に向けられないように紫外線放射源を位置決めすることを含む、請求項1に記載の方法。
- 基板処理システムであって、当該システムは、
基板を保持するように構成された処理チャンバであって、前記基板は前記基板の作業表面上に炭素含有材料の層を含む、処理チャンバと、
過酸化水素蒸気を受け取り、前記過酸化水素蒸気からヒドロキシルラジカル蒸気を生成し、及び前記ヒドロキシルラジカル蒸気及び残りの過酸化水素蒸気を前記基板の作業表面に向けるように構成されたヒドロキシラジカル蒸気生成システムであって、前記炭素含有材料を化学的に改質させる、ヒドロキシラジカル蒸気生成システムと、
を含む、システム。 - 前記ヒドロキシルラジカル蒸気生成システムが紫外線(UV)源を含む、請求項17に記載の基板処理システム。
- 基板処理システムにおける基板洗浄のための装置であって、
過酸化水素蒸気を受け取るように構成された入口と、
ヒドロキシルラジカル蒸気を生成するように、前記過酸化水素蒸気を十分なUV放射に曝露するように構成された紫外線(UV)源と、
前記ヒドロキシルラジカル蒸気及び前記残りの過酸化水素蒸気を基板に向けるように構成された出口であって、前記基板は前記基板の作業表面上に炭素含有材料の層を含み、前記炭素含有材料を化学的に改質させる、出口と、
を含む、装置。 - 炭素含有材料の前記層が、アモルファスカーボン、フォトレジスト、スピンオンカーボン、及びエッチング後ポリマー残渣からなる群から選択される、請求項19に記載の装置。
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| KR102111835B1 (ko) * | 2017-11-20 | 2020-05-15 | 한국과학기술원 | 서브 챔버를 구비한 iCVD 시스템 및 방법 |
| CN108380569A (zh) * | 2018-03-02 | 2018-08-10 | 常州瑞择微电子科技有限公司 | 高浓度oh自由基发生装置 |
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| Publication number | Publication date |
|---|---|
| US10490399B2 (en) | 2019-11-26 |
| JP6948808B2 (ja) | 2021-10-13 |
| KR102362672B1 (ko) | 2022-02-11 |
| CN107180774A (zh) | 2017-09-19 |
| KR20170105439A (ko) | 2017-09-19 |
| US20170263436A1 (en) | 2017-09-14 |
| CN107180774B (zh) | 2022-05-31 |
| TWI774662B (zh) | 2022-08-21 |
| TW201801177A (zh) | 2018-01-01 |
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