Patent ID: 6082293
Filing Date: 2000-07-04
Classification: H01J

Abstract:
A plasma source, comprising:a processing chamber in which a process target is mounted;plasma generating means for generating an induced electric field in said processing chamber from an outside of said processing chamber to generate plasma;horizontal electric field generating means for generating an electric field in a direction horizontal to a surface of a process target in the plasma generated by said plasma generating means, said horizontal field generating means including plural electrodes which are disposed at a predetermined interval along an outer peripheral portion of said processing chamber, and high frequency power supply means for supplying to each of said electrodes high frequency power which is invariable in frequency, but variable in phase around said electrodes to thereby generate a rotating electric field in said processing chamber; andcontrol means for controlling the horizontal electric field generated by said horizontal electric field generating means to control the velocity and moving directions of plasma constituent particles in the plasma.