Presentation 2008-07-18
High Performance Sub-35nm Bulk CMOS with Hybrid Gate Structures of NMOS: Dopant Confinement Layer (DCL)/PMOS: Ni-FUSI by using Flash Lamp Anneal (FLA) in Ni-silicidation : Hybrid Gate Structures
H. Ohta, K. Kawamura, H. Fukutome, M. Tajima, K. Okabe, K. Ikeda, K. Hosaka, Y. Momiyama, S. Satoh, T. Sugii,
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Abstract(in English) We applied Flash Lamp Annealing (FLA) in Ni-silicidation to our developed Dopant Confinement Layer (DCL) structure for the first time. DCL technique is a novel Stress Memorization Technique (SMT). We successfully improved the short channel effect (SCE) with keeping a high drive current by FLA in Ni-silicidation. For pMOSFET, 2 layers Ni Fully-silicide (Ni-FUSI) was selectively formed on gates, and both effective work function (WF) control and thinner T_ are improved. On the other hand, unlike pMOS, Ni-FUSI process is not performed in nMOS. Both higher activation of halo and reduction of parasitic resistance in nMOSFET are improved by the combination of DCL structure and FLA in Ni-silicidation. Consequently, the higher drive currents of 1255μA/μm and 759μA/μm were obtained I_=122nA/μm and 112nA/μm at |V_d|=1.0V for nMOSFET and pMOSFET, respectively.
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Keyword(in English) SiGe / SMT / DCL / High Performance CMOS / FUSI / FLA
Paper # SDM2008-148,ICD2008-58
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Conference Date 2008/7/10(1days)
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Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) High Performance Sub-35nm Bulk CMOS with Hybrid Gate Structures of NMOS: Dopant Confinement Layer (DCL)/PMOS: Ni-FUSI by using Flash Lamp Anneal (FLA) in Ni-silicidation : Hybrid Gate Structures
Sub Title (in English)
Keyword(1) SiGe
Keyword(2) SMT
Keyword(3) DCL
Keyword(4) High Performance CMOS
Keyword(5) FUSI
Keyword(6) FLA
1st Author's Name H. Ohta
1st Author's Affiliation Fujitsu Laboratories Ltd()
2nd Author's Name K. Kawamura
2nd Author's Affiliation Fujitsu Microelectronics Limited.
3rd Author's Name H. Fukutome
3rd Author's Affiliation Fujitsu Laboratories Ltd
4th Author's Name M. Tajima
4th Author's Affiliation Fujitsu Microelectronics Limited.
5th Author's Name K. Okabe
5th Author's Affiliation Fujitsu Microelectronics Limited.
6th Author's Name K. Ikeda
6th Author's Affiliation Fujitsu Laboratories Ltd
7th Author's Name K. Hosaka
7th Author's Affiliation Fujitsu Laboratories Ltd
8th Author's Name Y. Momiyama
8th Author's Affiliation Fujitsu Laboratories Ltd
9th Author's Name S. Satoh
9th Author's Affiliation Fujitsu Laboratories Ltd
10th Author's Name T. Sugii
10th Author's Affiliation Fujitsu Laboratories Ltd
Date 2008-07-18
Paper # SDM2008-148,ICD2008-58
Volume (vol) vol.108
Number (no) 140
Page pp.pp.-
#Pages 5
Date of Issue