Ion source

An ion source equipped with an ion beam exit slit for extracting ions from plasma generated in feed gas introduced into a discharge chamber, and with gas inlet or inlets for introducing the feed gas into the discharge chamber in close proximity of the ion beam exit slit. Ion extraction can be made s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NINOMIYA, KEN, KOIKE, HIDEMI, OKADA, OSAMI, TOKIGUCHI, KATSUMI, OZASA, SUSUMU, SAKUDO, NORIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An ion source equipped with an ion beam exit slit for extracting ions from plasma generated in feed gas introduced into a discharge chamber, and with gas inlet or inlets for introducing the feed gas into the discharge chamber in close proximity of the ion beam exit slit. Ion extraction can be made stably without any deposit on the ion beam exit slit even when a boron halide is used as the feed gas. The effect of the ion source can be further enhanced by adding oxygen, hydrogen or gas of an oxygen-containing compound to the feed gas, and by using a microwave.