摘要:
The present invention provides a semiconductor device structure which integrates a lateral diffused metal oxide semiconductor (LDMOS) with a Schottky diode, including: a substrate, having a first conductivity type, a gate positioned on the substrate, a drain region formed in the substrate, the drain region having a second conductivity type complementary to the first conductivity type, a source region formed in the substrate, the source region having the second conductivity type, a high-voltage well region formed in the substrate, the high-voltage well region having a first conductivity type; a Schottky diode disposed on the substrate and disposed beside the LDMOS, wherein the semiconductor device structure is an asymmetric structure, and a deep well region disposed in the substrate and having the second conductivity type, wherein the LDMOS and the Schottky diode are all formed within the deep well region.
摘要:
A lateral double-diffused metal-oxide-semiconductor transistor device includes a substrate having at least a shallow trench isolation formed therein, an epitaxial layer encompassing the STI in the substrate, a gate, and a drain region and a source region formed in the substrate at respective two sides of the gate. The epitaxial layer, the source region and the drain region include a first conductivity type. The gate includes a first portion formed on the substrate and a second portion extending into the STI.
摘要:
A lateral double-diffused metal-oxide-semiconductor transistor device includes a substrate having at least a shallow trench isolation formed therein, an epitaxial layer encompassing the STI in the substrate, a gate, and a drain region and a source region formed in the substrate at respective two sides of the gate. The epitaxial layer, the source region and the drain region include a first conductivity type. The gate includes a first portion formed on the substrate and a second portion extending into the STI.