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IEEE Conference on Nanotechnology

作者： Yan Zhang Ying-jie Zhou Jing-yu Fan Di Jiang Yifeng Fu Shi-wei Ma Johan Liu Key Laboratory of Advanced Display and System Applications Ministry of Education & SMIT Center School of Mechatronics Engineering and Automation Shanghai University Shanghai China SMIT Center School of Mechatronics Engineering and Automation Shanghai University Shanghai China Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai China BNSL Department of Microtechnology and Nanoscience Chalmers University of Technology Gothenburg Sweden SHT Smart High Tech AB Gothenburg Sweden Department of Automation Shanghai University Shanghai China

ISBN: (纸本)9781479906741

With the minimization development of electronic devices and products, nanotechnology and nanomaterials are widely applied in different fields of electronic packaging. Carbon nanotube (CNT) is an ideal material due to its excellent electrical and thermal conductivities. In the present paper, the application of CNT bundles as chip bumps was experimentally investigated. The electrical resistances of the CNT interconnects were measured, and the thermal and humidity test were conducted. In addition, the CNT forests on fine pitch copper lines under various environmental test conditions were observed to evaluate the stability.

关键词： Carbon nanotubes Integrated circuit interconnections Educational institutions Resistance Scanning electron microscopy Thermal conductivity Electrical resistance measurement

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A new color transformation based fast outer lip contour extraction

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Journal of Information and Computational Science 2012年第9期9卷 2505-2514页

作者： Pan, Jing Guan, Yepeng Wang, Shuangcheng School of Communication and Information Engineering Shanghai University Shanghai 200072 China Key Laboratory of Advanced Displays and System Application Ministry of Education China

Various methods for lip segmentation have been proposed, it still remains a challenging and difficult problem due to high variability of lip color and low chromatic contrast between the lip and skin. A novel automatic lip segmentation algorithm is proposed based on a novel color transformation in RGB space instead of complex color models. Comparative study with some existing lip segmentation algorithms has indicated the superior performance of the developed algorithm. The proposed algorithm produces better segmentation fast and efficiently. © 2012 Binary Information Press.

关键词： Curve fitting

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Influence of substrate temperature on the performance of zinc oxide thin film transistor

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Journal of Semiconductors 2011年第4期32卷 57-61页

作者：马军伟冉峰徐美华计慧杰 School of Mechatronical Engineering and Automation Shanghai University Key Laboratory of Advanced Display and System Application Ministry of EducationShanghai University

Top-contact thin film transistors（TFTs） using radio frequency（RP） magnetron sputtering zinc oxide （ZnO） and silicon dioxide（SiO;） films as the active channel layer and gate insulator layer,respectively,were *** performances of ZnO TFTs with different ZnO film deposition temperatures（room temperature, 100℃and 200℃） were *** with the transistor with room-temperature deposited ZnO films, the mobility of the device fabricated at 200℃is improved by 94%and the threshold voltage shift is reduced from 18 to 3 V（after 1 h positive gate voltage stress）.Experimental results indicate that substrate temperature plays an important role in enhancing the field effect mobility,sharping the subthreshold swing and improving the bias stability of the *** force microscopy was used to investigate the ZnO film *** reasons for the device performance improvement are discussed.

关键词： ZnO-TFT bias stability substrate heat RF magnetron sputtering

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Experimental and Numerical Investigations on the Performance and Reliability of CNT Fins for Micro-Cooler

Experimental and Numerical Investigations on the Performance...

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2012 International Conference on Electronic Packaging Technology & Hiigh Pachaging(2012电子封装和高密度封装国际会议(ICEPT-HDP2012))

作者： Hui-feng Lv Yan Zhang Jing-yu Fan Di Jiang Johan Liu Key Laboratory of Advanced Display and System Applications Ministry of Education & SMIT CenterSchoo Shanghai Institute of Applied Mathematics and Mechanics Shanghai UniversityShanghai 200072China SMIT Center & Bionano Systems Laboratory Department of Microtechnology and NanoscienceChalmers Univ Key Laboratory of Advanced Display and System Applications Ministry of Education & SMIT CenterSchoo

ISBN: (纸本)9781467316828

The current development of electronic products towards miniaturization and multifunction is leading to an increase in the power density of chip and *** high power consumption and corresponding heat dissipation are two of the most serious limitations for high performance *** combination of the carbon nanotube (CNT) with outstanding thermal properties with an air jet cooling provides a promising option for the heat dissipation of high-powered components and *** the present paper,the CNTs are utilized to manufacture the pin-fins for the micro-cooler,and the performance and evaluation of this CNT-based micro-pin-fin cooler are investigated both experimentally and *** effects of various parameters,such as the jet velocity and height,the fin size and shape,and so on,on the flow field and temperature distribution characteristics are comprehensively considered and *** obtained results indicate that the CNT-fins are of quite good strength and thermal performance in the jet impingement cooling environment.

关键词： HEAT DISSIPATION POWER DENSITY jet cooling spouting velocity Fins electronic products jet impingement flow field fins miniaturization heat transfer property Temperature distribution Andromeda Power consumption HIGH-PERFORMANCE

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The Process and Reliability Tests of Glass-to-glass Laser Bonding for Top-emission OLED Device

The Process and Reliability Tests of Glass-to-glass Laser Bo...

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IEEE Electronic Components and Technology Conference

作者： Yuneng Lai Zunmiao Chen Yuanhao Huang Jianhua Zhang The School of Mechanical & Electronic Engineering and Automation Shanghai University Shanghai China Ministry of Education Key Laboratory of Advanced Display and System Applications (Shanghai University)

Recently the active-matrix organic light-emitting diode (AMOLED) has emerged as a very promising flat-panel display technology because of its potential widely application for the development of high resolution and flexible full color flat panel displays. However, the encapsulation of AMOLED is studied and developed due to the top-emission structure used in AMOLED. Different from the bottom-emission structure, the top-emission structure requests the light escaping from the device through the transparent moisture barrier layer. In this paper, we investigate the hermetic joining process for glass-to-glass laser bonding with glass frit as an intermediate layer ， using a simplified encapsulation structure. The whole process includes steps such as screen printing, presintering and laser bonding. Through experiments study, parameters as laser power, scan speed, laser beam radius and preheating temperature show a significant effect on the bonding process. The influences of process parameters on laser bonding quality are also studied. Furthermore, the strengths of bonded specimens are measured using a shear strength tester and results show that the laser bonding specimens satisfy the military standard MIL-STD-883G. Micrographs of the bonded glass-to-glass interface are observed and analyzed. The optimal parameters are acquired by orthogonal test and then proved in five experiments.

关键词： Process and Reliability Glass-to-glass OLED

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Optimal strategy of searching FPD weights scanning matrix using GA-PSO

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Journal of Shanghai University(English Edition) 2011年第4期15卷 292-296页

作者：严利民顾裕灿李建东 Key Laboratory of Advanced Display and System Application (Shanghai University) Ministry of Education

This paper discusses a kind of optimal method used for searching flat panel display （FPD） scanning matrix. The method adopts bionic algorithm： genetic algorithm （GA） and particle swarm optimization （PSO） algorithm. The method using single GA is more time-consuming, and the search efficiency is low in later evolution; the PSO algorithm is easily falling into the local optimal solution and appears the premature convergent phenomenon. Hence, a hybrid approach of GAPSO is found to optimize the search for high grayscale weights scanning matrix. Finally in the acceptable time, it finds a weight scanning matrix （WSM） of 256 gray scales with Matlab, whose scanning efficiency reaches 94.73% and the linearity is very good.

关键词： fiat panel display （FPD） weights scanning matrix （WSM） genetic algorithm （GA） particle swarm optimization （PSO） algorithm

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Dependence of electrical and optical properties of IGZO films on oxygen flow

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Journal of Shanghai University(English Edition) 2011年第4期15卷 242-244页

作者：石继锋陈龙龙李倩李喜峰张建华 Key Laboratory of Advanced Display and System Application (Shanghai University) Ministry of Education

Amorphous InGaZnO （a-IGZO） films were deposited on the corning eagle XG （EXG） glass substrates using magnetron sputtering method. The structure, surface morphology, electrical and optical properties of these films were investigated by X-ray diffraction （XRD）, scanning electron microscopy （SEM）, semiconductor parameter analyzer and ＇spectrophotometry, respectively. The influence of oxygen flow on the electrical properties of IGZO thin films was studied, showing that increasing oxygen flow changes the resistivity with six orders of magnitude. The contact resistance of ITO/IGZO is 7.35×10^-2 Ω-cm2, which suggests that a good ohmic contact exists between In2O3 ： Sn （ITO） and IGZO film.

关键词： InGaZnO （IGZO） sputtering contact resistance

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Effect of annealing on wet etch of amorphous IGZO thin film

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Journal of Shanghai University(English Edition) 2011年第4期15卷 245-247页

作者：陈龙龙石继锋李倩李喜峰张建华 Key Laboratory of Advanced Display and System Application (Shanghai University) Ministry of Education

Amorphous InGaZnO （a-IGZO） film is deposited on the glass substrate by radio-frequency sputtering and the influence of annealing on wet etch of a-IGZO films were investigated. The results show that etch rate of IGZO films decrease with the increase of annealing temperature. Etching taper angle is less than 60° and critical dimension （CD） loss is less than 1μm in over-etching time of 30 s. The fact implies that IGZO films etching with oxalic acid may be a good wet etching way for the thin-film transistor （TFT） array process.

关键词： amorphous InGaZnO （a-IGZO） annealing etching

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Zinc Oxide Thin Film Transistors Fabricated by R.F. Magnetron Sputtering Using a Compact Powder Target

Zinc Oxide Thin Film Transistors Fabricated by R.F. Magnetro...

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2012中国平板显示学术会议

作者： Mingtong Lin Wenqing Zhu The Joint Laboratory of Flat Panel Display Engineering of Shanghai University and SVA Electron Co.Lt Key Laboratory for Advanced Displays and System Applications of Ministry of Education Shanghai Univ

A lot of work has focused on the development of zinc oxide thin film for the active layer for thin film transistors in recent years. In present article, the active layers for zinc oxide thin film transistors were first time prepared by r.f. Magnetron sputtering using a simply compacted 3-inch-diameter zinc oxide powder target, and the deposition parameters including O2/(Ar+O2) ratio, gas pressure and r.f. Power were carefully optimized. Thousands of zinc oxide thin film transistors with staggered-type or inverse staggered-type stack and various W/L ratios were fabricated and electrically characterized. A better result we achieved with normally-off TFT characteristics presents a saturated mobility of 25.7 cm2/Vs, a threshold voltage of 6.3 V, an on/off current ratio over 7.7×104 an off current less than 7.9×10-10 and a subthreshold slope of 1.2 V/dec. The TFT characteristics results can compete with those for the TFTs manufactured from high-temperature sintered ceramic target reported in literature thus far.

关键词： ZnO thin film transistor powder target r.f.magnetron sputtering electrical characterization deposition parameters optimization

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Short Communication: Pt Thin Film Catalyst Preparation for Methanol Combustion at Room Temperature

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Combustion Science and Technology 2012年第12期184卷 2163页

作者： Wang, Xiaohong Zhang, Chun Hu, Zhiyu [a] Institute of Nano Micro Energy Shanghai University Shanghai China [b] Department of Chemistry Shanghai University Shanghai China [c] Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Shanghai China

A Pt thin film catalyst was prepared by a novel green method of micro drop dispersion-oxygen plasma etching (MD-OPE) method with Pt(acac)... as starting material and silicon wafer as substrate. The catalytic activity of the film catalyst was evaluated by methanol combustion at room temperature, and its surface properties were characterized by SEM and XPS techniques. The results indicated that Pt(acac)... can be decomposed and reduced to PtO and ... with small size by oxygen plasma, which is the reason for the improved catalytic activity of as-prepared Pt film compared with the Pt film catalysts prepared by the micro drop dispersion (MD) method. (ProQuest: ... denotes formulae/symbols omitted.)

关键词： Methanol combustion Oxygen plasma etching Pt film catalyst

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