Inductance coupling coil and plasma processing device adopting same
2008
The invention discloses an inductance coupling coil, which comprises at least two groups of mutually nested coil windings with different diameters, wherein the upper surfaces of at least two groups of the coil windings in the coil windings are at planes with different heights for the convenience of obtaining plasmas which are distributed evenly. Besides, the invention also discloses a plasma processing device comprising a reaction chamber; a dielectric window is arranged on the upper part of the reaction chamber, and the inductance coupling coil is arranged above the dielectric window; and the inductance coupling coil is connected with a radio frequency power supply through a radio frequency matcher so as to obtain the plasmas distributed evenly in the reaction chamber. The inductance coupling coil and the plasma processing device can obtain the plasmas which are distributed evenly, and can obtain an excellent and even processing/handling result.
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