Csmc Technologies Fab2 Co., Ltd.

Teng Liu

Sen Zhang

Nailong He

Lihui Gu

Wentong Zhang

The semiconductor device comprises a high-voltage device region, a low-voltage device region, and an isolation region. It further comprises a drift region, a second conductivity type well region, an isolation well region, an isolation structure, a power device source region, and a power device drain region. The drift region is disposed in the high-voltage device region. The second conductivity type well region is disposed in the isolation region and extends to the low-voltage device region. The isolation well region is disposed in the drift region and separates the drift region into a high-voltage drift region and a power device drift region. The isolation structure is disposed in the isolation well region. The power device source region is disposed in the isolation region and located in the second conductivity type well region, and the power device drain region is disposed in the power device drift region.

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Wuxi, China

Teng Liu