Patent ID: 8653475
Filing Date: 2014-02-18
Classification: H01J

Abstract:
1. An arc chamber assembly for an ion source comprising a housing having a base and at least one pair of side walls extending upwardly from opposite sides of said base to define an arc chamber, said base having a plurality of channels extending to each sidewall of said pair of sidewalls; an inlet port connected to said base of said housing for delivering a flow of gas into said channels of said base; a bottom liner disposed in said housing in spaced parallel relation to said base and opposite said channels therein for conducting a flow of gas from said port towards said sidewalls, said bottom liner having at least a pair of notches in each of two opposite side edges thereof, each said notch being in communication with a respective channel of said plurality of channels in said base to pass gas therefrom upwardly into said arc chamber; and a pair of side liners, each said side liner being disposed in said housing in spaced parallel relation to a respective one of said side walls for conducting a flow of gas therebetween from between said base and said bottom liner, each said side liner having at least a pair of slots therein to pass gas therefrom horizontally into said arc chamber.