| CPC H01J 37/32697 (2013.01) [C23C 14/3442 (2013.01); H01J 27/024 (2013.01); H01J 37/08 (2013.01); H01J 37/3053 (2013.01); H01J 37/3211 (2013.01); H01J 37/32357 (2013.01); H01J 37/32422 (2013.01); H01J 37/34 (2013.01); H01J 2237/081 (2013.01); H01J 2237/332 (2013.01)] | 20 Claims |

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1. An ion beam source, comprising:
a plasma chamber comprising a plasma generating space;
a plasma generator configured to generate plasma in the plasma generating space;
a first grid connected to the plasma chamber;
a second grid connected to the plasma chamber; and
a first grid driver connected to the first grid,
wherein the first grid driver is configured to move the first grid relative to the second grid.
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