The trench gate extends along a longitudinal direction.
所述沟槽栅极沿纵向延伸。
The width of the trench gate is not uniform along the longitudinal direction;
所述沟槽栅极的宽度沿所述纵向不一致；
At least one conductive shield electrode is disposed in the gate trench.
至少一个置于所述栅沟槽中的导电保护电极；
A metal gate may be formed in the trench having a modified profile.
金属栅极可以形成在具有修正轮廓的沟槽中。
A metal gate may be formed in the trench having a modified profile.
金属栅极可以形成在具有修正轮廓的沟槽中。
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