Patent ID: 7963248
Filing Date: 2011-06-21
Classification: H01J,H05H

Abstract:
1. A plasma generator comprising: a first electrode disposed adjacent a second electrode for generating plasma, the first and second electrodes having a long rod shape in a first direction and being arranged abreast in a second direction vertical to the first direction and spaced apart from each other a first distance, and wherein a first voltage is applied to the first electrode and a second voltage is applied to the second electrode, the second voltage being lower than the first voltage; a gas supply member configured to supply source gas to the electrodes; and a distance adjusting unit configured to adjust a spaced distance between the electrodes, the distance adjusting unit comprising a first shaft pin and first and second connectors, the first connector having one end rotatably connected to the first shaft pin and the other end rotatably connected to the first electrode, the second connector having one end rotatably connected to the first shaft pin and the other end rotatably connected to the second electrode, and wherein the first distance between the first and second electrodes is adjusted by the first and second connectors rotating on the first shaft pin.