A poly-framed LDD sub-half-micrometer CMOS technology

A novel LDD spacer technology that uses disposable silicon nitride spacers on a sacrificial polysilicon frame has been developed for a sub-half-micrometer CMOS technology. An improvement in short-channel behavior is achieved due to a reduction in lateral LDD n/sup -/ and p/sup -/ diffusion, and the...

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Veröffentlicht in:IEEE electron device letters 1990-11, Vol.11 (11), p.529-531
Hauptverfasser: Pfiester, J.R., Crain, N., Lin, J.-H., Gunderson, C.D., Kaushik, V.
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container_end_page 531
container_issue 11
container_start_page 529
container_title IEEE electron device letters
container_volume 11
creator Pfiester, J.R.
Crain, N.
Lin, J.-H.
Gunderson, C.D.
Kaushik, V.
description A novel LDD spacer technology that uses disposable silicon nitride spacers on a sacrificial polysilicon frame has been developed for a sub-half-micrometer CMOS technology. An improvement in short-channel behavior is achieved due to a reduction in lateral LDD n/sup -/ and p/sup -/ diffusion, and the effect of substrate bias on the drain junction leakage caused by sidewall spacer formation is eliminated. The DC hot-carrier lifetime for the 0.3- mu m-channel-length poly-framed LDD NMOS devices, defined as the time associated with a 10% shift in peak transconductance, is in excess of 10 years for a power supply voltage of 3.3 V.< >
doi_str_mv 10.1109/55.63022
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1558-0563
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source IEEE Electronic Library (IEL)
subjects Annealing
Applied sciences
Boron
CMOS technology
Diodes
Electronics
Exact sciences and technology
Hot carriers
Implants
Microelectronic fabrication (materials and surfaces technology)
MOSFET circuits
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silicon
Space technology
title A poly-framed LDD sub-half-micrometer CMOS technology
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