Method for forming a strongly-conductive buried layer in a...

Semiconductor device manufacturing: process – Forming bipolar transistor by formation or alteration of... – Self-aligned

Reexamination Certificate

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C438S361000, C438S342000, C257S586000, C257S593000, C257SE21445

Reexamination Certificate

active

07456071

ABSTRACT:
An integrated circuit including a buried layer of determined conductivity type in a plane substantially parallel to the plane of a main circuit surface, in which the median portion of this buried layer is filled with a metal-type material.

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