PLASMA PROCESSING APPARATUS

In a plasma processing apparatus including a processing chamber disposed in a vacuum chamber, a sample stage disposed in the processing chamber and on which a sample is placed, in the vacuum chamber, a second shower plate disposed above the sample stage, a first shower plate disposed above the secon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Tanaka, Motohiro, Sato, Kohei, Sakuragi, Takahiro, Kawanabe, Tetsuo
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY
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Beschreibung
Zusammenfassung:	In a plasma processing apparatus including a processing chamber disposed in a vacuum chamber, a sample stage disposed in the processing chamber and on which a sample is placed, in the vacuum chamber, a second shower plate disposed above the sample stage, a first shower plate disposed above the second shower plate, and a dielectric window disposed above the first shower plate, first gas is supplied from a first gas supply unit to a space between the dielectric window and the first shower plate, and second gas is supplied from a second gas supply unit to a space between the first shower plate and the second shower plate.