| 摘要 |
A semiconductor integrated circuit device is disclosed which comprises a bipolar transistor and a field effect transistor, in which a gate electrode of the field effect transistor and a collector electrode of the bipolar transistor are formed from a common electrode layer of a high impurity concentration, and in which the collector region of the bipolar transistor comprises a region of a high impurity concentration having a conductivity type the same as that of the collector region of the bipolar transistor.
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