Patent ID: 9397092
Filing Date: 2016-07-19
CPC Classification: H01L

Claim Text:
1. A semiconductor device in a semiconductor substrate, the semiconductor device comprising: a trench in a first main surface of the semiconductor substrate, the trench including a first trench portion extending in a first direction and a second trench portion extending in the first direction, the first trench portion being connected with the second trench portion by a trench element arranged in a lateral direction different from the first direction, the first trench portion and the second trench portion being arranged one after the other along the first direction; a trench conductive structure comprising a conductive material, the conductive material being disposed in the first trench portion; and a trench capacitor structure comprising a capacitor dielectric and a first capacitor electrode disposed in the second trench portion, the first capacitor electrode comprising a layer lining a sidewall of the second trench portion.