Electric heating – Metal heating – By arc
Reexamination Certificate
2005-06-28
2005-06-28
Van, Quang T. (Department: 3742)
Electric heating
Metal heating
By arc
C156S345410, C118S7230MW
Reexamination Certificate
active
06911617
ABSTRACT:
A desired component of an electromagnetic field in a slot antenna is selectively taken to be supplied into a vessel for generating a plasma. The angle of inclination of slots (36) relative to the circumferential direction of a radiation surface (31) of the slot antenna (30) is decreased as the position of the slots approaches the periphery of the radiation surface31from the center O of the radiation surface.
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Ando Makoto
Ishii Nobuo
Ando Makoto
Crowell & Moring LLP
Tokyo Electron Limited
Van Quang T.
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