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公开(公告)号：US11822252B2
公开(公告)日：2023-11-21
申请号：US17155951
申请日：2021-01-22
发明人： Dzmitry Labetski , Christianus Wilhelmus Johannes Berendsen , Rui Miguel Duarte Rodreigues Nunes , Alexander Igorevich Ershov , Kornelis Frits Feenstra , Igor Vladimirovich Fomenkov , Klaus Martin Hummler , Arun Johnkadaksham , Matthias Kraushaar , Andrew David Laforge , Marc Guy Langlois , Maksim Loginov , Yue Ma , Seyedmohammad Mojab , Kerim Nadir , Alexander Shatalov , John Tom Stewart , Henricus Gerardus Tegenbosch , Chunguang Xia
CPC分类号： G03F7/70033 , G03F7/70916 , H05G2/003 , H05G2/008
摘要： An extreme ultraviolet radiation (EUV) source, including: a vessel having an inner vessel wall and an intermediate focus (IF) region; an EUV collector disposed inside the vessel, the EUV collector including a reflective surface configured to reflect EUV radiation toward the intermediate focus region, the reflective surface configured to directionally face the IF region of the vessel; a showerhead disposed along at least a portion of the inner vessel wall, the showerhead including a plurality of nozzles configured to introduce gas into the vessel; and one or more exhausts configured to remove gas introduced into the vessel, the one or more exhausts being oriented along at least a portion of the inner vessel wall so that the gas is caused to flow away from the EUV collector.
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公开(公告)号：US20210109452A1
公开(公告)日：2021-04-15
申请号：US16977360
申请日：2019-02-28
发明人： Yue Ma , Antonius Theodorus Wilhelmus Kempen , Klaus Martin Hummler , Johannes Hubertus Josephina Moors , Jeroen Hubert Rommers , Hubertus Johannes Van De Wiel , Andrew David Laforge , Fernando Brizuela , Rob Carlo Wieggers , Umesh Prasad Gomes , Elena Nedanovska , Celal Korkmaz , Alexander Downn Kim , Rui Miguel Duarte Rodrigues Nunes , Hendrikus Alphonsus Ludovicus Van Dijck , William Peter Van Drent , Peter Gerardus Jonkers , Qiushi Zhu , Parham Yaghoobi , Jan Steven Christiaan Westerlaken , Martinus Hendrikus Antonius Leenders , Alexander Igorevich Ershov , Igor Vladimirovich Fomenkov , Fei Liu , Johannes Henricus Wilhelmus Jacobs , Alexey Sergeevich Kuznetsov
IPC分类号： G03F7/20
摘要： Degradation of the reflectivity of one or more reflective optical elements in a system (SO) for generating EUV radiation is reduced by the controlled introduction of a gas into a vacuum chamber (26) containing the optical element. The gas may be added to the flow of another gas such as hydrogen or alternated with the introduction of hydrogen radicals.
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公开(公告)号：US20240160109A1
公开(公告)日：2024-05-16
申请号：US18508987
申请日：2023-11-14
发明人： Yue Ma , Antonius Theodorus Wilhelmus Kempen , Klaus Martin Hummler , Johannes Hubertus Josephina Moors , Jeroen Hubert Rommers , Hubertus Johannes Van De Wiel , Andrew David Laforge , Fernando Brizuela , Rob Carlo Wieggers , Umesh Prasad Gomes , Elena Nedanovska , Celal Korkmaz , Alexander Downn Kim , Rui Miguel Duarte Rodrigues Nunes , Hendrikus Alphonsus Ludovicus Van Dijck , William Peter Van Drent , Peter Gerardus Jonkers , Qiushi Zhu , Parham Yaghoobi , Jan Steven Christiaan Westerlaken , Martinus Hendrikus Antonius Leenders , Alexander Igorevich Ershov , Igor Vladimirovich Fomenkov , Fei Liu , Johannes Henricus Wilhelmus Jacobs , Alexey Sergeevich Kuznetsov
IPC分类号： G03F7/00
CPC分类号： G03F7/70166 , G03F7/70033 , G03F7/70883 , G03F7/70916 , G03F7/70925
摘要： Degradation of the reflectivity of one or more reflective optical elements in a system for generating EUV radiation is reduced by the controlled introduction of a gas into a vacuum chamber containing the optical element. The gas may be added to the flow of another gas such as hydrogen or alternated with the introduction of hydrogen radicals.
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公开(公告)号：US20220291591A1
公开(公告)日：2022-09-15
申请号：US17715641
申请日：2022-04-07
发明人： Yue Ma , Antonius Theodorus Wilhelmus Kempen , Klaus Martin Hummler , Johannes Hubertus Josephina Moors , Jeroen Hubert Rommers , Hubertus Johannes Van De Wiel , Andrew David Laforge , Fernando Brizuela , Rob Carlo Wieggers , Umesh Prasad Gomes , Elena Nedanovska , Celal Korkmaz , Alexander Downn Kim , Rui Miguel Duarte Rodrigues Nunes , Hendrikus Alphonsus Ludovicus Van Dijck , William Peter Van Drent , Peter Gerardus Jonkers , Qiushi Zhu , Parham Yaghoobi , Jan Steven Christiaan Westerlaken , Martinus Hendrikus Antonius Leenders , Alexander Igorevich Ershov , Igor Vladimirovich Fomenkov , Fei Liu , Johannes Henricus Wilhelmus Jacobs , Alexey Sergeevich Kuznetsov
IPC分类号： G03F7/20
摘要： Degradation of the reflectivity of one or more reflective optical elements in a system for generating EUV radiation is reduced by the controlled introduction of a gas into a vacuum chamber containing the optical element. The gas may be added to the flow of another gas such as hydrogen or alternated with the introduction of hydrogen radicals.
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公开(公告)号：US11340532B2
公开(公告)日：2022-05-24
申请号：US16977360
申请日：2019-02-28
发明人： Yue Ma , Antonius Theodorus Wilhelmus Kempen , Klaus Martin Hummler , Johannes Hubertus Josephina Moors , Jeroen Hubert Rommers , Hubertus Johannes Van De Wiel , Andrew David Laforge , Fernando Brizuela , Rob Carlo Wieggers , Umesh Prasad Gomes , Elena Nedanovska , Celal Korkmaz , Alexander Downn Kim , Rui Miguel Duarte Rodrigues Nunes , Hendrikus Alphonsus Ludovicus Van Dijck , William Peter Van Drent , Peter Gerardus Jonkers , Qiushi Zhu , Parham Yaghoobi , Jan Steven Christiaan Westerlaken , Martinus Hendrikus Antonius Leenders , Alexander Igorevich Ershov , Igor Vladimirovich Fomenkov , Fei Liu , Johannes Henricus Wilhelmus Jacobs , Alexey Sergeevich Kuznetsov
IPC分类号： G03F7/20
摘要： Degradation of the reflectivity of one or more reflective optical elements in a system (SO) for generating EUV radiation is reduced by the controlled introduction of a gas into a vacuum chamber (26) containing the optical element. The gas may be added to the flow of another gas such as hydrogen or alternated with the introduction of hydrogen radicals.
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公开(公告)号：US11846887B2
公开(公告)日：2023-12-19
申请号：US17715641
申请日：2022-04-07
发明人： Yue Ma , Antonius Theodorus Wilhelmus Kempen , Klaus Martin Hummler , Johannes Hubertus Josephina Moors , Jeroen Hubert Rommers , Hubertus Johannes Van De Wiel , Andrew David Laforge , Fernando Brizuela , Rob Carlo Wieggers , Umesh Prasad Gomes , Elena Nedanovska , Celal Korkmaz , Alexander Downn Kim , Rui Miguel Duarte Rodrigues Nunes , Hendrikus Alphonsus Ludovicus Van Dijck , William Peter Van Drent , Peter Gerardus Jonkers , Qiushi Zhu , Parham Yaghoobi , Jan Steven Christiaan Westerlaken , Martinus Hendrikus Antonius Leenders , Alexander Igorevich Ershov , Igor Vladimirovich Fomenkov , Fei Liu , Johannes Henricus Wilhelmus Jacobs , Alexey Sergeevich Kuznetsov
IPC分类号： G03F7/00
CPC分类号： G03F7/70166 , G03F7/70033 , G03F7/70883 , G03F7/70916 , G03F7/70925
摘要： Degradation of the reflectivity of one or more reflective optical elements in a system for generating EUV radiation is reduced by the controlled introduction of a gas into a vacuum chamber containing the optical element. The gas may be added to the flow of another gas such as hydrogen or alternated with the introduction of hydrogen radicals.
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公开(公告)号：US10955749B2
公开(公告)日：2021-03-23
申请号：US16469689
申请日：2018-01-05
发明人： Dzmitry Labetski , Christianus Wilhelmus Johannes Berendsen , Rui Miguel Duarte Rodriges Nunes , Alexander Igorevich Ershov , Kornelis Frits Feenstra , Igor Vladimirovich Fomenkov , Klaus Martin Hummler , Arun Johnkadaksham , Matthias Kraushaar , Andrew David Laforge , Marc Guy Langlois , Maksim Loginov , Yue Ma , Seyedmohammad Mojab , Kerim Nadir , Alexander Shatalov , John Tom Stewart, IV , Henricus Gerardus Tegenbosch , Chunguang Xia
摘要： An extreme ultraviolet radiation (EUV) source, including: a vessel having an inner vessel wall and an intermediate focus (IF) region; an EUV collector disposed inside the vessel, the EUV collector including a reflective surface configured to reflect EUV radiation toward the intermediate focus region, the reflective surface configured to directionally face the IF region of the vessel; a showerhead disposed along at least a portion of the inner vessel wall, the showerhead including a plurality of nozzles configured to introduce gas into the vessel; and one or more exhausts configured to remove gas introduced into the vessel, the one or more exhausts being oriented along at least a portion of the inner vessel wall so that the gas is caused to flow away from the EUV collector.
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