Presentation 1997/7/25
Effects of Low Temperature Interlayer Dielectric Films on the Gate Oxide Quality of Deep Submicron MOSFET's
sang-Gi Lee, Hyunsang Hwang, Young-Jong Lee, Jeong-Mo Hwang, Ju-Young Jeong, Oh-Kyong Kwon, Chang-Hyo Lee,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We investigate TDDB (Time Dependent Dielectric Breakdown) chracteristics of MOSFETs due to diffusion of hydrogen related species during ILD (Inter-Layer-Dielectric) processing. The ILD films dependent on electron trap generation rate and mobile ion were measured by constant current FN stress method and BTS (Bias Temperature Stress). The results show that the HLD/BPSG and PETEOS/BPSG structure cause more defects inside the gate oxide than the PETEOS/USG. The effect of mobile ion shows no noticeable difference in different dielectric structures. Also, the PETEOS/USG structure shows enhanced gate oxide lifetime but more device degradation possibly due to poor quality Si-SiO_2 interface due to the lower process temperature.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Constant Current Stress / Bias Temperature Stress / Electron Trapping Rate, Mobile Ion.
Paper # ICD97-93
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Conference Date 1997/7/25(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Effects of Low Temperature Interlayer Dielectric Films on the Gate Oxide Quality of Deep Submicron MOSFET's
Sub Title (in English)
Keyword(1) Constant Current Stress
Keyword(2) Bias Temperature Stress
Keyword(3) Electron Trapping Rate, Mobile Ion.
1st Author's Name sang-Gi Lee
1st Author's Affiliation Dept. of Physics Hanyang Univ.()
2nd Author's Name Hyunsang Hwang
2nd Author's Affiliation Advanced Technology Laboratory., LG Semicon Co.,
3rd Author's Name Young-Jong Lee
3rd Author's Affiliation Advanced Technology Laboratory., LG Semicon Co.,
4th Author's Name Jeong-Mo Hwang
4th Author's Affiliation Advanced Technology Laboratory., LG Semicon Co.,
5th Author's Name Ju-Young Jeong
5th Author's Affiliation Dept. of Elec. Eng., The Univ. of Suwon.
6th Author's Name Oh-Kyong Kwon
6th Author's Affiliation Dept. of Elec. Eng., Hanyang Univ.
7th Author's Name Chang-Hyo Lee
7th Author's Affiliation Dept. of Physics Hanyang Univ.
Date 1997/7/25
Paper # ICD97-93
Volume (vol) vol.97
Number (no) 198
Page pp.pp.-
#Pages 5
Date of Issue