Patent ID: 8143590

Claim:
An ion source apparatus comprising: an ion source assembly having a body having a top; and a chamber formed in the top of the body and having a bottom and an upward opening; a heat-dissipating device mounted securely on the bottom of the chamber and having a thermal transfer plate having an axis; a top opposite to the bottom of the chamber a protrusion surrounding the axis of the thermal transfer plate and mounted at the top of the thermal transfer plate and a disrupting recess radially formed around the protrusion; and a first thermal side sheet mounted securely on the top of the thermal transfer plate and surrounding the protrusion; an anode chunk mounted securely in the chamber, mounted above and abutting the first thermal side sheet and having a bottom; and a chunk cavity formed in the bottom of the anode chunk and encompassing the protrusion; and a gas distributor mounted securely in the protrusion and abutting the top of the thermal transfer plate and a neutralizer mounted outside and securely connected with the ion source assembly.