Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Cell K. Y. Wong"'
Autor:
Stanely Y. Y. Leung, Huaiyu Ye, Jiajie Fan, Xiangping Chen, Cell K. Y. Wong, Xuejun Fan, Guoqi Zhang, Hongyu Tang
Publikováno v:
Microelectronics Reliability, 78
The objective of this study is to quantitatively evaluate the impacts of LED components on the overdriving reliability of high power white LED chip scale packages (CSPs). The reliability tests under room temperature are conducted over 1000 h in this
Autor:
Guoqi Zhang, Fenglian Sun, Yang Liu, Jia Zhao, Liangliang Luo, Stanley Y. Y. Leung, Cadmus Yuan, Cell K. Y. Wong
Publikováno v:
Microelectronics Reliability. 54:2028-2033
This paper investigates the effect of void percentage in the solder layer on the shear strength and thermal property of DA3547 packages by SAC soldering technology. X-ray observation and shear tests revealed that the increase of solder paste volume s
Autor:
Xianping Chen, Tian-Ling Ren, Stanely Y. Y. Leung, Jiaming Ni, Huaiyu Ye, Ning Yang, Miao Cai, Cell K. Y. Wong
Publikováno v:
IEEE Electron Device Letters. 36:1366-1368
The adsorption behaviors of methane adsorbed on different graphenes (pristine, and B-, N-, P-, and Al-doped monolayer and multilayer) are analyzed using density-functional theory. The results demonstrate that the sensing performance of graphene as a
Autor:
A.W.J. Gielen, M. Mihailovic, Cell K. Y. Wong, Huaiyu Ye, H.W. van Zeijl, Guoqi Zhang, Pasqualina M. Sarro
Publikováno v:
Applied Thermal Engineering. 52:353-359
High Power Light Emitting Diode (HP LED) is one of the promising candidates for future lighting systems with efficient energy consumption. However, around 70% of the input power will be still transferred to heat. Recently, to obtain more light output
Publikováno v:
Sensors and Actuators B: Chemical. 177:856-861
We presented a molecular model to investigate the relationship between macroscopic conductivity and charge carrier density in polyaniline (PANI) as chemical sensing materials. It was demonstrated that the conductivity in polyaniline depends on the ch
Publikováno v:
Sensors and Actuators B: Chemical. 177:178-195
Gas sensors fabricated with nanowires as the detecting elements are powerful due to their many improved characteristics such as high surface-to-volume ratios, ultrasensitivity, higher selectivity, low power consumption, and fast response. This paper
Autor:
Stanley Y. Y. Leung, Xianping Chen, Junke Jiang, Cell K. Y. Wong, Tian-Ling Ren, Qiuhua Liang, Daoguo Yang, Huaiyu Ye
Publikováno v:
Scientific Reports
In this paper, we present a first-principles and molecular dynamics study to delineate the functionalization-induced changes in the local structure and the physical properties of amorphous polyaniline. The results of radial distribution function (RDF
Autor:
Jiajie Fan, Cell K. Y. Wong, Lin Kai, Stanley Y. Y. Leung, Huaiyu Ye, Xuejun Fan, Signe Kjelstrup, Guoqi Zhang, Xianping Chen
Publikováno v:
IEEE Electron Device Letters, 37(11)
Using the analogue of the electric inductance, we reveal the properties of the thermal inductance in GaN-based light-emitting diode devices by testing their transient thermal behaviors. We find that the devices exhibit a transient thermal response un
Publikováno v:
Sensors and Actuators B: Chemical. 175:15-21
We present a molecular modeling methodology to investigate the effect of functional group on the working range of polyaniline sensors for carbon dioxide (CO 2 ) in agriculture industry. Doping plays the key role in the sensing mechanism of conducting
Publikováno v:
Sensors and Actuators B: Chemical. 174:210-216
We proposed a molecular modeling methodology to study the protonic acid doping of emeraldine base polyaniline which can used in gas detection. The commercial forcefield COMPASS was used for the polymer and protonic acid molecules. The molecular model