Extreme UV light generation device
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United States of America
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Dec 10, 2018
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Dec 10, 2018
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Abstract
An extreme UV light generation device may include: a chamber having a plasma generation region at an inside of the chamber, the chamber receiving a target substance externally supplied to the plasma generation region; an outlet port provided on the chamber; a magnetic field generating unit configured to generate a magnetic field to converge cations on the outlet port, the cations being generated from the target substance that has been turned into plasma in the plasma generation region; an electron emission unit configured to emit electrons neutralizing the cations; and an exhaust tube joined to the outlet port and through which a neutralized substance obtained by neutralizing the cations flows.
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