| 摘要 |
A nonuniform ion implantation apparatus comprises a wide ion beam generator for generating a wide ion beam including a plurality of wide ion beams irradiated on at least two sections among a plurality of sections into which a wafer is divided, and a wafer drive unit for vertically reciprocating the wafer while the wide ion beam generated by the wide ion beam generator is irradiated on the wafer. At least one of the wide ion beams has a dose different from that of at least another wide ion beam.
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