Method of selective oxygen implantation to dielectrically...

Semiconductor device manufacturing: process – Formation of electrically isolated lateral semiconductive... – Total dielectric isolation

Reexamination Certificate

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C257S347000

Reexamination Certificate

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07741190

ABSTRACT:
A method of fabricating integrated circuit structures utilizes selective oxygen implantation to dielectrically isolate semiconductor structures using no extra masks. Existing masks are utilized to introduce oxygen into bulk silicon with subsequent thermal oxide growth. Since the method uses bulk silicon, it is cheaper than silicon-on-insulator (SOI) techniques. It also results in bulk-silicon that is latch-up immune.

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patent: 2002/0033510 (2002-03-01), Tomita
patent: 2005/0280084 (2005-12-01), Morishita et al.

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