J.C. Patents
Semiconductor device with high-resistance gate
A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a first gate, a gate dielectric layer, a pair of second gates, a first spacer, and a second spacer. The first gate is disposed on a substrate. The gate dielectric layer is disposed between the first gate and the substrate. The pair of second gates are disposed on the substrate and respectively located at two sides of the first gate, wherein top surfaces of the pair of second gates are higher than a top surface of the first gate. The first spacer is disposed on sidewalls of the pair of second gates protruding from the top surface of the first gate and covers the top surface of the first gate. The second spacer is disposed between the gate dielectric layer and the pair of second gates, between the first gate and the pair of second gates, and between the first spacer and the pair of second gates.
United Microelectronics Corp.
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Shang Wang Ling-Gang Zhen Shen-De Wei Wei-Chang
Xue Xiang Fang Chen Wang Ta Liu