Invention Application
US20030008486A1 Method of fabricating a MOS transistor with a drain extension and corresponding transistor 有权
制造具有漏极延伸的MOS晶体管和对应的晶体管的方法

Method of fabricating a MOS transistor with a drain extension and corresponding transistor
Abstract:
A MOS transistor with a drain extension includes an isolation block on the upper surface of a semiconductor substrate. The isolation block has a first sidewall next to the gate of the transistor, and a second sidewall that is substantially parallel to the first sidewall. The isolation block further includes a drain extension zone in the substrate under the isolation block, and a drain region in contact with the drain extension zone. The drain region is in the substrate but is not covered by the isolation block.
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