Isolated diode

Details Isolated diode Isolated diode

2008-02-27

2010-11-16

Tran, Minh-Loan T (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Integrated circuit structure with electrically isolated...

With pn junction isolation

C257S551000, C257SE29019, C257SE21544

Reexamination Certificate

active

07834421

ABSTRACT:
Various integrated circuit devices, in particular a diode, are formed inside an isolation structure which includes a floor isolation region and a trench extending from the surface of the substrate to the floor isolation region. The trench may be filled with a dielectric material or may have a conductive material in a central portion with a dielectric layer lining the walls of the trench. Various techniques for terminating the isolation structure by extending the floor isolation region beyond the trench, using a guard ring, and a forming a drift region are described.

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