Semiconductor manufacturing apparatus and wafer holding table for semiconductor manufacturing apparatus

A wafer holder includes a mounting table that has a mounting surface for a workpiece at a top, a supporting member that supports the mounting table from a lower side, a first cylindrical member one end of which is joined hermetically to a lower surface of the mounting table, and a second cylindrical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kimura, Koichi, Mikumo, Akira
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A wafer holder includes a mounting table that has a mounting surface for a workpiece at a top, a supporting member that supports the mounting table from a lower side, a first cylindrical member one end of which is joined hermetically to a lower surface of the mounting table, and a second cylindrical member that is provided inside the first cylindrical member and one end of which is joined hermetically to the lower surface of the mounting table.