Abstract: There has been invented an apparatus for acceleration of a plasma having coaxially positioned, constant diameter, cylindrical electrodes which are modified to converge (for a positive polarity inner electrode and a negatively charged outer electrode) at the plasma output end of the annulus between the electrodes to achieve improved particle flux per unit of power.
Type:
Grant
Filed:
September 29, 2000
Date of Patent:
November 26, 2002
Assignee:
The United States of America as represented by the United
States Department of Energy