Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Plasma generating
Reexamination Certificate
2005-02-01
2005-02-01
Lee, Wilson (Department: 2821)
Electric lamp and discharge devices: systems
Discharge device load with fluent material supply to the...
Plasma generating
C118S7230IR, C118S7230ER
Reexamination Certificate
active
06850012
ABSTRACT:
Induction coils of an induction coupling type plasma processing apparatus are divided into a plurality of coil elements and a plurality of lead wire portions for effecting connection between the coil elements. The coil elements are disposed inside of a process chamber, while the lead wire portions which effect connection between the coil elements are disposed outside of the process chamber. The coil elements disposed in the process chamber are in the form of short arcs as a result of the division thereof, so that they can be easily arranged symmetrically with respect to the center of the process chamber, whereby a uniform plasma distribution can be easily achieved.
REFERENCES:
patent: 6197165 (2001-03-01), Drewery et al.
patent: 6273022 (2001-08-01), Pu et al.
patent: 6534922 (2003-03-01), Bhardwaj et al.
patent: 2-235332 (1990-09-01), None
patent: 7-106095 (1995-04-01), None
Edamura Manabu
Ikenaga Kazuyuki
Makino Akitaka
Yoshioka Ken
Antonelli Terry Stout & Kraus LLP
Hitachi High-Technologies Corporation
Lee Wilson
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