United Microelectronics Corp.

Chiao-Yu Li

Chin-Chia Kuo

Ming-Hua Tsai

Wei-Hsuan Chang

Chih-Mou Lin

Su-Hua Tsai

Pai-Tsang Liu

Chun-Ning Wu

A high-voltage device includes a semiconductor substrate, a source diffusion region, a drain diffusion region, a channel diffusion region and a gate electrode. The source diffusion region and the drain diffusion region with a first conductive type are disposed in the semiconductor substrate. The channel diffusion region is disposed in the semiconductor substrate and between the source diffusion region and the drain diffusion region. The gate dielectric layer is disposed on the channel diffusion region and having a first modified portion with a second conductive type extending inwards from a first edge of the gate dielectric layer. The gate electrode is disposed on the gate electric layer, wherein the first modified portion, the gate electrode and the channel diffusion region at least partially overlap with each other.

High-voltage device and method for fabricating the same

Growing community of inventors

Tainan, Taiwan

Chiao-Yu Li