| 摘要 |
A fin-type semiconductor region (103) is formed on a substrate (101), and then a resist pattern (105) is formed on the substrate (101). An impurity is implanted into the fin-type semiconductor region (103) by a plasma doping process using the resist pattern (105) as a mask, and then at least a side of the fin-type semiconductor region (103) is covered with a protective film (107). Thereafter, the resist pattern (105) is removed by cleaning using a chemical solution, and then the impurity implanted into the fin-type semiconductor region (103) is activated by heat treatment.
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