Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – Having glow discharge electrode gas energizing means
Reexamination Certificate
2005-03-30
2010-12-07
Hassanzadeh, Parviz (Department: 1716)
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
Having glow discharge electrode gas energizing means
Reexamination Certificate
active
07846293
ABSTRACT:
A plasma processing apparatus includes a worktable in a process chamber to horizontally place a target substrate thereon. A plasma generation space is defined above and around the worktable within the process chamber. The plasma generation space includes a peripheral plasma region and a main plasma region respectively located outside and inside an outer edge of the target substrate placed on the worktable. The apparatus further includes a magnetic field forming mechanism configured to form a magnetic field within the peripheral plasma region. The magnetic field includes magnetic force lines extending through the peripheral plasma region between a start position and an end position, at least one of which is located radially inside a sidewall of the process chamber.
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Iwasaki Masahide
Ukei Tomoaki
Crowell Michelle
Hassanzadeh Parviz
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Tokyo Electron Limited
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