| 摘要 |
A semiconductor junction diode device structure and a method for manufacturing the same are provided, where a gate of the diode device structure is directly formed on the substrate, a P-N junction is formed in the semiconductor substrate, a first contact is formed on the gate, and a second contact is formed on the doped region at both sides of the gate, the first contact and the second contact acting as cathode/anode of the diode device, respectively. The diode device of this structure occupies a small area, and its forming process may be integrated in a gate-last integration process of MOSFET devices, which needs no additional mask and costs and has a high integration level.
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