| 摘要 |
A source of extreme ultraviolet or soft X-ray photon source includes discharge chamber containing a buffer gas, first and second electrodes in the discharge chamber configured to deliver a heating current to a plasma discharge region, and an injector to project a particle of a working substance into the plasma discharge region. The particle is evaporated and ionized by the heating current to form a hot plasma that radiates extreme ultraviolet or soft X-ray photons.
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