ION SOURCE AND OPERATING METHOD THEREOF
摘要:
An ion source includes a vaporizer, a plasma chamber, and a controller. The vaporizer produces a reaction product by supplying, through a first gas supply line to a crucible in which a solid material is installed, a reactive gas that reacts with the solid material, and vaporizes the reaction product by heating the crucible with a heater. The plasma chamber is supplied with a vapor from the vaporizer through a vapor supply line, and has a second gas supply line connected to the plasma chamber separately from the vapor supply line. The controller controls the heater to heat the crucible while a gas is being supplied from the second gas supply line to the plasma chamber and stops a supply of the reactive gas through the first gas supply line to the crucible.
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