Patent ID: 7602111
Filing Date: 2009-10-13
Classification: H01J,H05H

Abstract:
1. A plasma accelerating apparatus comprising: a channel comprising an inner wall; an outer wall spaced apart from the inner wall by a distance for encircling the inner wall, and an end wall connected to an end of the inner wall and an end of the outer wall to form an outlet port at the other ends of the inner and outer walls; a gas supply portion which is configured to supply a gas to an inside of the channel; and a plasma generating and accelerating portion which is configured to supply ionization energy to the gas inside the channel to generate a plasma beam and to accelerate the generated plasma beam toward the outlet port, wherein a coating layer comprising a first layer composed of a carbon nano tube is formed on an inner surface of at least one of the inner wall, the outer wall, and the end wall of the channel.