Systems and methods for optics cleaning in an EUV light source

An extreme-ultraviolet (EUV) light source is described herein comprising an optic; a primary EUV light radiator generating an EUV light emitting plasma and producing a deposit on said optic; and a cleaning system comprising a gas and a secondary light radiator, the secondary light radiator generatin...

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Hauptverfasser: FOMENKOV IGOR V, ERSHOV ALEXANDER I, PARTLO WILLIAM N, FLEUROV VLADIMIR B, BYKANOV ALEXANDER N, DE DEA SILVIA
Format: Patent
Sprache:eng
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Zusammenfassung:An extreme-ultraviolet (EUV) light source is described herein comprising an optic; a primary EUV light radiator generating an EUV light emitting plasma and producing a deposit on said optic; and a cleaning system comprising a gas and a secondary light radiator, the secondary light radiator generating a laser produced plasma and producing a cleaning species with the gas.