Techniques to reduce substrate cross talk on mixed signal...

Details Techniques to reduce substrate cross talk on mixed signal... Techniques to reduce substrate cross talk on mixed signal...

2004-03-26

2010-12-14

Smith, Bradley K (Department: 2894)

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

Field effect device

Having insulated electrode

C257SE21564

Reexamination Certificate

active

07851860

ABSTRACT:
An integrated circuit has a buried insulation layer formed over a semiconductor substrate, and a semiconductor mesa formed over the buried insulation layer. A low resistivity guard ring substantially surrounds the semiconductor mesa and is in contact with the semiconductor substrate. The low resistivity guard ring is grounded and isolates the semiconductor mesa from RF signals.

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