| 摘要 |
A semiconductor integrated circuit comprises a substrate (1) of a first conduction type semiconductor material, an epitaxial layer (10) which is carried by the substrate (1) and which is of a second conduction type semiconductor material different to the first conduction type material, a well (3) of semiconductor material in the epitaxial layer and a semiconductor material, the epitaxial layer (10) being substantially depleted of charges is a region substantially beneath the well (3).
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