CATADIOPTRIC OBJECTIVE LENS WITH PHYSICAL BEAM SPLITTER

PROBLEM TO BE SOLVED: To provide a catadioptric projection objective lens, capable of completely correcting chromatic aberrations by a catadioptric objective lens part by which excessive correction is executed. SOLUTION: This objective lens is provided with an objective surface 1, physical beam spli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ULRICH WILLI, BEIERL HELMUT
Format: Patent
Sprache:eng
Schlagworte:
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