Semiconductor structure and method

Semiconductor device manufacturing: process – Formation of electrically isolated lateral semiconductive... – Grooved and refilled with deposited dielectric material

Reexamination Certificate

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C438S434000

Reexamination Certificate

active

07468307

ABSTRACT:
A semiconductor structure includes a semiconductor layer stack includes a semiconductor substrate of a first conductivity type, a heavily-doped buried layer of a second conductivity type, and a monocrystalline semiconductor layer of a third conductivity type formed on top of the semiconductor layer and the buried layer, a contact to the buried layer, the contact formed in a contact hole, and a lateral insulation of different portions of the semiconductor structure, the insulation formed in an isolation trench. A contact to the semiconductor substrate may be formed within the isolation trench.

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