Abstract: The presently disclosed ion sources include one or more electromagnets for changing the distribution of plasma within a discharge space of an ion source. At least one of the electromagnets is oriented about an outer periphery of a tubular sidewall of the ion source and changes a distribution of the plasma in a peripheral region of the discharge space.
Type:
Grant
Filed:
June 1, 2016
Date of Patent:
November 13, 2018
Assignee:
VEBCO INSTRUMENTS INC.
Inventors:
Boris Druz, Rustam Yevtukhov, Robert Hieronymi, Alan V. Hayes, Mathew Levoso, Peter Porshnev