Plasma processing apparatus and plasma processing method

One plasma processing apparatus according to the invention includes: a processing chamber in which a sample is subjected to plasma processing; a first radio frequency power supply configured to supply a first radio frequency power for generating plasma via a matching unit; a sample stage on which th...

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Bibliographische Detailangaben
Hauptverfasser:	OGOSHI, YASUO, HIRONAKA, YOSHIYUKI, ICHIKAWA, TAKAHIRO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	One plasma processing apparatus according to the invention includes: a processing chamber in which a sample is subjected to plasma processing; a first radio frequency power supply configured to supply a first radio frequency power for generating plasma via a matching unit; a sample stage on which the sample is placed; a second radio frequency power supply configured to supply a second radio frequency power to the sample stage; and a control device configured to control a matching unit so as to perform matching during a period corresponding to a mode in which a requirement for matching by the matching unit is defined when the first radio frequency power is modulated by a waveform having a plurality of amplitude values and repeating periodically. The period is each period of the waveform corresponding to any one of the plurality of amplitude values.