METHOD OF CLEANING ION SOURCE, AND CORRESPONDING APPARATUS/SYSTEM

摘要

A method and/or system for cleaning an ion source is/are provided. In certain embodiments of this invention, both the anode and cathode of the ion source are negatively biased during at least part of a cleaning mode. Ions generated are directed toward the anode and/or cathode in order to remove undesirable build-ups from the same during cleaning.