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Tatsuya Ohguro

Researcher at Toshiba

Publications -  149
Citations -  3248

Tatsuya Ohguro is an academic researcher from Toshiba. The author has contributed to research in topics: Gate oxide & MOSFET. The author has an hindex of 27, co-authored 146 publications receiving 3163 citations.

Papers
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Journal ArticleDOI

NiSi salicide technology for scaled CMOS

TL;DR: In this article, the authors explained the NiSi salicide technology and showed that NiSi has several advantages over TiSi2 and CoSi2 for the ultra-small CMOS process, including low temperature silicidation process, low silicon consumption, no bridging failure property, smaller mechanical stress, no adverse narrow line effect on sheet resistance, smaller contact resistance for both n- and p-Si, and higher activation rate of B for SiGe poly gate electrode.
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1.5 nm direct-tunneling gate oxide Si MOSFET's

TL;DR: In this paper, a 1.5 nm direct-tunneling gate oxide was used to achieve a transconductance of more than 1,000 mS/mm at a gate length of 0.09 /spl mu/m at room temperature.
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Self-aligned nickel-mono-silicide technology for high-speed deep submicrometer logic CMOS ULSI

TL;DR: In this article, a nickel-monosilicide (NiSi) technology suitable for a deep sub-micron CMOS process has been developed, and it has been confirmed that a nickel film sputtered onto n/sup ± and p/sup +/- single-silicon and polysilicon substrates is uniformly converted into NiSi, without agglomeration, by lowtemperature (400-600/spl deg/C) rapid thermal annealing.
Journal ArticleDOI

Analysis of resistance behavior in Ti- and Ni-salicided polysilicon films

TL;DR: In this paper, the relationship between sheet resistance and line width is characterized by three distinct regions according to the value of W. The abrupt increase in sheet resistance observed in the region W/spl les/0.2 /spl mu/m cannot be explained in terms of the phase transition from C54 to C49, which is the cause of the rising resistance at larger W.
Proceedings ArticleDOI

Sub-50 nm gate length n-MOSFETs with 10 nm phosphorus source and drain junctions

TL;DR: In this paper, a 40-nanometer gate length n-MOSFET with ultra-shallow source and drain junctions of around 10 nm was fabricated for the first time using a technique of solid phase diffusion (SPD) from phosphorous-doped silicated glass gate sidewalls.