Patent ID: 8884178
Filing Date: 2014-11-11
Classification: B23K,H01J,H05H

Abstract:
1. An apparatus for generating plasma, comprising: a vessel within which said plasma is generated; and a coil configured to receive an RF driver signal to at least sustain said plasma, said coil being wound around a periphery of said vessel, said coil having a plurality of winding layers, said coil is constructed such that all winding layers of said plurality of winding layers are wound one on top of one another for a given multi-turn before an adjacent multi-turn is wound, said adjacent multi-turn being adjacent, in a direction parallel to an axis of said vessel, to said given multi-turn, wherein both said given multi-turn and said adjacent multi-turn are continuously wound in an uninterrupted manner from said coil such that said given multi-turn and said adjacent multi-turn form a continuous path.