| 摘要 |
A semiconductor device comprises an anti-fuse element. The anti-fuse element includes a semiconductor substrate, a first gate insulating film, a first gate electrode, a high-concentration impurity region formed in the semiconductor substrate under the first gate electrode, and first source/drain regions provided in the semiconductor substrate on both sides of the high-concentration impurity region. The first source/drain regions contain an impurity having the same conduction type as conduction type of the high-concentration impurity region.
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