Silicon Carbide Device with Trench Gate
Abstract:
A silicon carbide device includes a stripe-shaped trench gate structure extending from a first surface into a silicon carbide body. The gate structure has a gate length along a lateral first direction. A bottom surface and an active first gate sidewall of the gate structure are connected via a first bottom edge of the gate structure. The silicon carbide device further includes at least one source region of a first conductivity type. A shielding region of a second conductivity type is in contact with the first bottom edge of the gate structure across at least 20% of the gate length.
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