| 摘要 |
PURPOSE: A reserve capacitor is provided to increase electrostatic capacity by overlapping a gate with a well. CONSTITUTION: A reserve capacitor comprises a well(302), a gate(308), a first power source line, a second power line and a pick-up area(310). The well is formed on a substrate. The gate is formed on the substrate. An opening unit is formed in the center of the gate to expose the part of the well. The first power line is connected to the gate. The second power line is connected to the well via the opening of the gate. The pick up area is formed on the contact area between the second power line and the well.
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