Invention Application
US20120013249A1 Ion source 有权
离子源

Ion source
Abstract:
A cathode sub-assembly is comprised of a retainer, a cathode and a collar, each of which has smooth unthreaded surfaces that slidably engage each other. A shield serves to hold the sub-assembly in a support plate. The cathode projects from the sub-assembly into an arc chamber with a tortuous path created therebetween for passage of a plasma flow.
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