supported by National Natural Science Foundation of China(Grant No.61274080)
A novel NMOS triggered LIGBT(NTLIGBT) structure is proposed for electrostatic discharge(ESD) protection in this paper. The structure utilizes internal NMOS to trigger SCR-like structure in LIGBT. The trigger voltage i...
This paper presents a fully on-chip NMOS low-dropout regulator(LDO) for portable applications with quasi floating gate pass element and fast transient response.The quasi floating gate structure makes the gate of the...
Project supported by the National Natural Science Foundation of China(No.11305126)
In this paper, total ionizing dose effect of NMOS transistors in advanced CMOS technology are exam- ined. The radiation tests are performed at 60Co sources at the dose rate of 50 rad (Si)/s. The investigation's res...
This paper presents a transient-enhanced NMOS low-dropout regulator (LDO) for portable applications with parallel feedback compensation. The parallel feedback structure adds a dynamic zero to get an adequate phase m...
Project supported by the Major Fund for the National Science and Technology Program,China(No.2009ZX02306-04);the Fund of SOI Research and Development Center(No.20106250XXX)
The mechanism of improving the TID radiation hardened ability of partially depleted silicon-oninsulator(SOI) devices by using the back-gate phosphorus ion implantation technology is studied. The electron traps intro...
Project supported by the Important National Science & Technology Specific Projects of China(No.2009ZX02035);the National Natural Science Foundation of China(Nos.61176091,50932001)
The effect of Al incorporation on the effective work function(EWF) of TiN metal gate was systematically investigated.Metal-oxide-semiconductor(MOS) capacitors with W/TiN/Al/TiN gate stacks were used to fulfill thi...
This paper presents the investigation of integrated electrostatic discharge (ESD) protection design for the gate oxide of an RFLDMOS (radio frequency lateral double diffusion MOS). Through a comprehensive dis cuss...
In order to quantitatively compare the design cost and performance of various gate styles,NMOS transistors with two-edged,annular and ring gate layouts were designed and fabricated by a commercial 0.35μm CMOS process...
Project supported by the State Key Development Program for Basic Research of China(No.2006CB3027-01)
In most of the total dose radiation models, the drift of the threshold voltage and the degradation of the carrier mobility were only studied when the bulk potential is zero. However, the measured data indicate that th...
Project supported by the Key Program of the National Natural Science Foundation of China(No.60836004);the Ministry of Education Creative Team Research Project,China.
Hot carrier effect(HCE) is studied on annular NMOS and two-edged NMOS such as H-shape gate NMOS, T-shape gate NMOS and common two-edged NMOS.Based on the chemical reaction equation of HCE degradation and a geometry ...