| 摘要 |
In a lateral bipolar transistor, a control wiring layer is laid down under an emitter electrode wiring layer, and a voltage according to a reverse bias voltage applied to the collector diffusion layer is applied to the control wiring layer, thereby preventing the occurrence of a leakage current from the emitter diffusion and further the flow of the leakage current to the device isolation region, even under a situation that a certain reverse bias voltage is applied to the collector of the transistor.
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