Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Reexamination Certificate
2007-03-13
2007-03-13
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Ultraviolet light responsive means
Reexamination Certificate
active
11062026
ABSTRACT:
A measuring apparatus for measuring a spectrum of extreme ultraviolet light that diverges from a divergent center point of an extreme ultraviolet light source, includes a spectrum measuring unit that includes a spectrometer and a detector that has a spatial resolution in a spectrum forming direction of the spectrometer, and a drive mechanism that makes the spectrum measuring unit movable relative to the divergent center point.
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Kanazawa Hajime
Masaki Fumitaro
Miyake Akira
Baker David S.
Canon Kabushiki Kaisha
Morgan & Finnegan , LLP
Porta David
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