Electric heating – Metal heating – By arc
Reexamination Certificate
2006-02-16
2008-08-12
Van, Quang T (Department: 3742)
Electric heating
Metal heating
By arc
C219S121360, C118S7230IR, C156S345350
Reexamination Certificate
active
07411148
ABSTRACT:
A plasma generation apparatus includes: a chamber having a chamber lid and defining an airtight reaction region; a susceptor in the chamber; a gas supplier supplying a process gas to the chamber; and a toroidal core vertically disposed with respect to the susceptor through the chamber lid, including: a toroidal ferromagnetic core combined with the chamber, the toroidal ferromagnetic core having a first portion outside the chamber and a second portion inside the chamber, the second portion having an opening portion; a radio frequency (RF) power supply connected to the chamber; an induction coil electrically connected to the RF power supply, the induction coil rolling the first portion; and a matching circuit matching an impedance between the RF power supply and the induction coil.
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Hong Bo-Han
Kim Jae-Hyun
Kwon Gi-Chung
Lee Sang-Won
Lee Yong-Kwan
Jusung Engineering Co. Ltd.
Marger Johnson & McCollom PC
Van Quang T
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