SUPPORTING MEANS, STAGE SYSTEM AND EXPOSURE DEVICE

PROBLEM TO BE SOLVED: To provide a supporting means preventing the reflection surface of a reflection mirror from being deformed even when a difference exists between the linear expansion coefficients of the reflection mirror and a structural body. SOLUTION: The supporting means 10 supporting the re...

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Bibliographische Detailangaben
Hauptverfasser: KUBOTA YASUHITO, KAWAMURA HIDEJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a supporting means preventing the reflection surface of a reflection mirror from being deformed even when a difference exists between the linear expansion coefficients of the reflection mirror and a structural body. SOLUTION: The supporting means 10 supporting the reflection mirror 5 where a Y-axis direction is set as a longitudinal direction on the structural body 50 is equipped with a fixed part 11 fixing the position A of the mirror 5 in the Y-axis direction with respect to the structural body 50, and supporting parts 12 and 13 supporting the positions B and C of the mirror 5 in the Y-axis direction so as to move in the Y-axis direction with respect to the structural body 50. COPYRIGHT: (C)2004,JPO&NCIPI