FIELD EFFECT TRANSISTOR HAVING A TRENCH GATE STRUCTURE
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United States of America
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Apr 10, 2025
app pub date -
Oct 9, 2024
filing date -
Oct 9, 2024
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Abstract
A FET includes a transistor cell which includes: a source region at a first surface of a semiconductor substrate; a drain region spaced along a first lateral direction from the source region; a trench gate structure arranged, along the first lateral direction, between the source and drain regions; a body region adjoining the trench gate structure; and a body contact region. At least one of the following conditions is satisfied: a first vertical distance from the body contact region bottom side to a vertical reference level at the first surface is larger than a second vertical distance from the source region bottom side to the vertical reference level; and a first lateral distance from an edge of the body contact region to a lateral reference level at the drain region is smaller than a second lateral distance from an edge of the source region to the lateral reference level.
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