An ultra-low specific on-resistance trench LDMOS with a U-shaped gate and accumulation layer |
(a) Electric field distributions around the trench for UG LDMOS and CT LDMOS. (b) Horizontal electric field distributions at the surface ( y = 0.6 μm) and bulk ( y = 10.0 μm) of the trench in UG LDMOS and CT LDMOS. |