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2010 IEEE International Conference on Semiconductor Electronics (ICSE2010)最新文献

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Lower delay and area efficient non-restoring array divider by using Shannon based adder technique 基于香农加法器技术的低时延、高效率的非恢复阵列分法器
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549382
C. Senthilpari, S. Kavitha, Jude Joseph
This paper is mainly focused on designs of full-adder using by Shannon theorem based on pass transistor approach. The proposed Shannon theorem adder, SERF, CMOS 10T and mirror adder circuits are implemented in non-restoring array divider circuit. The divider circuits is schematized by using DSCH2 CAD tools and their layouts are simulated by using Microwind 3 VLSI layout CAD tool. The parameter analyses are analyzed by using BSIM 4 analyzer. The analysis includes power dissipation, propagation delay, chip area, power delay product (PDP), Energy Per Instruction (EPI), latency and throughput. These analyses are compared with reported author results, which shows better improvement in terms of low power, lower area, lower propagation delay and high throughput.
本文主要研究了基于通管方法的香农定理全加法器的设计。提出的香农定理加法器、SERF、CMOS 10T和镜像加法器电路在非恢复阵列分频电路中实现。利用DSCH2 CAD工具对分频电路进行了原理图绘制,并利用Microwind 3 VLSI布局CAD工具对其布局进行了仿真。采用BSIM 4分析仪对参数进行分析。分析包括功耗、传播延迟、芯片面积、功率延迟积(PDP)、每条指令能量(EPI)、延迟和吞吐量。这些分析结果与作者报告的结果进行了比较,表明在低功耗、低面积、低传播延迟和高吞吐量方面有了更好的改进。
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引用次数: 18
Semiconductor fabrication eco-systems and supply chain in Malaysia 马来西亚的半导体制造生态系统和供应链
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549504
K. Zain
The electronic industry is the leading sector in Malaysia's manufacturing sector, contributing significantly to the country's manufacturing output 29.3%, export 55.9% and employment of 28.8%. In 70's Malaysia is well known for the backend manufacturing. In 2000 Malaysia established it's semiconductor fabrication facilities to fill in one of the major gaps in supply chain that generates RM0.5Billion/year from a single facility. This significant source of revenue gives major impact to the overall semiconductor eco-system and local economy. Semiconductor fabrication requires huge equipment investment using various types of chemicals, gasses, materials, software systems, automation, jigs and fixtures, consumables and parts in clean room environment. The process to fabricate a chip on wafer will take thirty to one hundred days depending on the complexity of the design. This demands a very highly skilled workforce to operate the processes, equipments, manufacturing and facilities. Semiconductor fabrication facility has a very deep anchor to the value chain surrounding economy and will be discussed in detail the presentation.
电子工业是马来西亚制造业的主导部门,对该国制造业产出的贡献显著,占29.3%,出口55.9%,就业28.8%。在70年代,马来西亚以后端制造业而闻名。2000年,马来西亚建立了自己的半导体制造设施,以填补供应链上的主要空白之一,每年从一个设施产生5亿令吉。这一重要的收入来源对整个半导体生态系统和当地经济产生了重大影响。半导体制造需要在洁净室环境中使用各种类型的化学品,气体,材料,软件系统,自动化,夹具和夹具,消耗品和零件的巨大设备投资。根据设计的复杂程度,在晶圆片上制造芯片的过程需要30到100天。这需要非常高技能的劳动力来操作流程、设备、制造和设施。半导体制造设备对价值链周边经济有着非常深刻的锚定,将在演讲中详细讨论。
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引用次数: 2
Effect of oxide thickness on 32nm Pmosfet reliability 氧化物厚度对32nm Pmosfet可靠性的影响
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549578
D. A. Hadi, S. Hatta, N. Soin
Negative Bias Temperature Instability (NBTI) has become one of the critical reliability concerns as scaling down CMOS technology especially on the pMOSFET device. A simulation study had been conducted on 32 nm conventional pMOSFET using the technology CAD (TCAD) Sentaurus Synopsys simulator tool. In this paper, the effects of the gate oxide thickness together with drain bias variations on the NBTI are studied. The effect on the device parameters such as interface traps concentration (Nit), threshold voltage (Vth) and drain current (Id) degradation had been investigated and explained in detail.
负偏置温度不稳定性(NBTI)已成为CMOS技术特别是pMOSFET器件的关键可靠性问题之一。利用senaurus Synopsys仿真工具对32 nm传统pMOSFET进行了仿真研究。本文研究了栅极氧化层厚度和漏极偏压变化对NBTI的影响。对界面阱浓度(Nit)、阈值电压(Vth)和漏极电流(Id)退化等器件参数的影响进行了详细的研究和解释。
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引用次数: 3
Analysis of inductive powering harvesting circuit 感应供电采集电路分析
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549378
M. Ya, A. A. Ralib, Nadira Jamil, Sheroz Khan, A. Alam, A. Nurashikin
The use of implanted devices for biomedical applications is on the rise. As reliability and longevity of the power source is an issue of concern so research is underway for using other means of energy sources such as solar, vibrations and inductive coupling, The inductive coupling providing a non-invasive means of energy source, and is hence considered the most reliable contender. In this case the primary coil is wound on an external mount while the secondary (few turns) is embedded on implanted bed. A theoretical and simulation of inductive coupling is done using MATLAB© exploring its frequency response.
生物医学应用中植入装置的使用正在增加。由于电源的可靠性和寿命是一个值得关注的问题,因此研究正在进行中,使用其他能源手段,如太阳能,振动和电感耦合,电感耦合提供了一种非侵入性的能源手段,因此被认为是最可靠的竞争者。在这种情况下,初级线圈缠绕在外部支架上,而次级线圈(几圈)嵌入植入床上。利用MATLAB©对其频率响应进行了理论分析和仿真。
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引用次数: 0
Wave propagation based analytical delay and cross talk noise model for distributed on-chip RLCG interconnects 基于波传播的分布式片上RLCG互连分析时延和串扰噪声模型
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549381
A. Choudhary, V. Maheshwari, Abhishek Singh, R. Kar
This paper proposes a wave propagation based approach to derive crosstalk and delay between two coupled RLCG interconnects in the transform domain. The increase of clock frequency into the GHz range, coupled with longer length interconnects of small cross-section and low dielectric strength, can result in cross coupling effects between on-chip interconnects. The traditional analysis of crosstalk in a transmission line begins with a lossless LC representation, yielding a wave equation governing the system response. In order to determine the effects that this cross talk will have on circuit operation, the resulting delays and logic levels for the victim nets must be computed. In this paper, we propose four reflection wave propagation based analytical model for estimation of crosstalk. An emphasis was made on the distributed nature of the RLCG model, thus underlining the effect of parasitic coupling inductance and conductance on present and future on-chip interconnects.
本文提出了一种基于波传播的方法来推导变换域中两个耦合RLCG互连之间的串扰和延迟。时钟频率增加到GHz范围,再加上更长的小截面和低介电强度的互连,会导致片上互连之间的交叉耦合效应。传输线串扰的传统分析从无损LC表示开始,得到控制系统响应的波动方程。为了确定这种串扰对电路操作的影响,必须计算受害网的延时和逻辑电平。本文提出了四种基于反射波传播的串扰估计解析模型。强调了RLCG模型的分布式特性,从而强调了寄生耦合电感和电导对当前和未来片上互连的影响。
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引用次数: 3
Correlation study between doping technique towards diffusion rate and oxidation rate 掺杂技术与扩散速率和氧化速率的相关性研究
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549541
A. Zoolfakar, H. Zulkefle, A. Zakaria, A. Manut, Abdul Aziz A, M. Zolkapli
This paper is to investigate correlation between doping technique towards diffusion rate and oxide growth rate. There are two types of doping technique that has been investigated such as Solid Source, SS and Spin on Dopant, SOD. Four inches wafers were used to investigate the effects of doping technique towards diffusion rate and oxidation rate. The resistivity of silicon substrate is measured by using 4-point probe while the oxide thickness is measured by an Ellipsometer. From this experiment, it can be concluded that diffusion rate of Solid Source is about 86% better than Spin on Dopand. While the oxide growth of Solid Source, SS is 3.6% better than Spin on Dopant.
本文研究了掺杂技术与扩散速率和氧化物生长速率的关系。目前研究的掺杂技术主要有固体源型SS和自旋型SOD两种。以4英寸晶圆为研究对象,研究了掺杂技术对扩散速率和氧化速率的影响。用四点探头测量硅衬底的电阻率,用椭偏仪测量氧化物的厚度。实验结果表明,固体源的扩散速率比旋在Dopand上的扩散速率高86%左右。固体源的氧化物生长比掺杂自旋高3.6%。
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引用次数: 0
Nanostructures of III-V semiconductor for photonic, electronic, and sensing applications back to basics 光子,电子和传感应用的III-V半导体纳米结构回归基础
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549501
M. Hashim
With the advancement of technology, the semiconductor materials are fabricated with ever shrinking size in order to reduce space and weight while at the same time benefiting from the improved performance such as high speed and low operating power. Recently found phenomena called, quantum confinement (QC) effects related to semiconductor material reaching the size in nanometer scale, only added to the excitement among researchers in this field around the world. Among notable effects of QC in nano-sized semiconductor is the enlargement of the bandgap due to the folding of the Brillouin zone. A few notable techniques that have been developed along this line are Metal Oxide Chemical Vapor Deposition (MOCVD), Molecular Beam Epitaxy (MBE), and Liquid Phase Chemical Vapor Deposition to name but a few. However these machines are very expensive to operate especially for large scale production. This obstacle has prompted researchers to find other alternatives for cheaper production cost but trying to maintain the quality of the grown nanostructures for high performance devices. Those techniques are the ones which had been used before the QC effects are found. In this talk we are revisiting one of the low cost conventional techniques to grow high quality III-V nanostructure on Si substrate, that is electrochemical etching and deposition. This technique relies on the type of electrolyte, electrical current, temperature, time and ambient light. The quality of the grown layers is studied using SEM, PL, Raman and XRD Spectroscopy. The potential application of the grown layers in light emission, light detection, and gas sensing is also discussed.
随着技术的进步,半导体材料的制造尺寸越来越小,以减少空间和重量,同时受益于高速度和低工作功率等性能的提高。最近发现的与半导体材料达到纳米尺度有关的量子约束(QC)效应,使世界各地的研究人员更加兴奋。QC在纳米半导体中的显著影响是由于布里渊带的折叠而扩大了带隙。沿着这条路线发展的一些值得注意的技术是金属氧化物化学气相沉积(MOCVD),分子束外延(MBE)和液相化学气相沉积,仅举几例。然而,这些机器操作起来非常昂贵,尤其是在大规模生产时。这一障碍促使研究人员寻找其他替代方案,以降低生产成本,同时努力保持生长的纳米结构的质量,用于高性能设备。这些技术是在发现QC效果之前使用的技术。在这次演讲中,我们将回顾一种在硅衬底上生长高质量III-V纳米结构的低成本传统技术,即电化学蚀刻和沉积。这项技术依赖于电解质的类型、电流、温度、时间和环境光。利用扫描电镜、PL、拉曼光谱和x射线衍射光谱对生长层的质量进行了研究。并讨论了生长层在光发射、光探测和气体传感等方面的潜在应用。
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引用次数: 1
Ubiquitous sensor technologies: The way moving forward 无处不在的传感器技术:前进的道路
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549500
M. Othman
This presentation provides strategic direction for ubiquitous sensor networks and how we can benefit from the technology for the betterment of our lifes. An overview of the global progress is presented and the values of the technology in terms of the realization of WSN implementation in many vertical applications such as in the agriculture, medical, transportation and environment will be given. Some statements of benefits of the technology especially in the areas of medical for human and plants and environmental will be verbalised. Then followed by some case studies especially in the sensor technologies for chemical and bio-sensors will be presented. Issues in the realization both in terms of ethical and technological challenges in bio-medical sensors will be highlighted. MIMOS has been actively pursuing the R&D in bio-chemical sensors especially for the application in the field of agriculture. The multipurpose nature of the design can easily be modified to suit for many other applications in the future. In particular an integrated sensors for monitoring soil and environment (N, P, K, pH, T, Moisture and humidity sensors) has been produced and has been deployed at the POC level in several plantations industries. The R&D findings related to the sensors will be shared during the presentation. Last but not least a systemic approach in conducting and realizing gas sensors for environment will be given. The process established is very important to ensure the deliverables of the sensor systems meeting industrial requirements. A conclusion will be presented at the end of the presentation.
本报告提供了无处不在的传感器网络的战略方向,以及我们如何从技术中受益,以改善我们的生活。概述了全球进展,并给出了该技术在农业、医疗、交通和环境等许多垂直应用中实现WSN的价值。将对该技术的一些好处,特别是在人类、植物和环境的医疗领域的好处进行描述。然后是一些案例研究,特别是在化学和生物传感器的传感器技术将被提出。将强调在生物医学传感器的伦理和技术挑战方面实现的问题。MIMOS一直积极致力于生物化学传感器的研发,特别是在农业领域的应用。该设计的多用途性质可以很容易地进行修改,以适应未来的许多其他应用。特别是用于监测土壤和环境的综合传感器(氮、磷、钾、pH、T、湿度和湿度传感器)已经生产出来,并已在几个种植园工业的POC一级部署。与传感器相关的研发成果将在演讲期间分享。最后,给出了一种系统的环境气体传感器的设计和实现方法。建立的过程对于确保传感器系统的交付物满足工业要求非常重要。在报告的最后将会有一个结论。
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引用次数: 0
Development of nanocrystalline laser ablated thick film array gas sensor 纳米晶激光烧蚀厚膜阵列气体传感器的研制
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549421
M. Abadi, M. Hamidon, A. Shaari, N. Abdullah, R. Wagiran, N. Misron
A multi–layer thick film array sensor for gas sensing application including heater element, insulator layer, and interdigitated electrodes was designed and fabricated on alumina substrate. Tin dioxide and platinum nanopowder were used in the pellet form as the active and catalyst layers, respectively. Pulse laser ablation deposition (PLAD) technique was used to deposit the sensitive layer onto the electrode part of each sensor. Microstructural and morphological properties of the sensor surface were determined. Sensors were exposed to wood smoke and their sensitivity were measured and compared with the results of the sensors without catalyst layer.
在氧化铝基板上设计并制作了一种多层厚膜阵列气敏传感器,包括加热元件、绝缘层和交叉电极。二氧化锡纳米粉和铂纳米粉以球团形式分别作为活性层和催化剂层。采用脉冲激光烧蚀沉积(PLAD)技术将敏感层沉积到每个传感器的电极部分。测定了传感器表面的微观结构和形态特性。将传感器暴露在木材烟雾中,测量其灵敏度,并与没有催化剂层的传感器结果进行比较。
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引用次数: 1
Optimization of pull-in voltage and contact force for MEMS series switch using Taguchi method 用田口法优化MEMS串联开关的拉入电压和接触力
Pub Date : 2010-06-28 DOI: 10.1109/SMELEC.2010.5549363
Abhijeet Kshirsagar, P. Apte, S. Duttagupta, S. Gangal
Cantilever based metal-to-metal contact type MEMS series switch has many applications namely in RFMEMS, Power MEMS etc. A typical MEMS switch consists of a cantilever as actuating element to make the contact between the two metal terminals of the switch. In electrostatic type switches the cantilever is pulled down by applying a pull-in voltage to the control electrode that is located below the middle portion of the cantilever while only the tip portion of the cantilever makes contact between the two terminals. Detailed analysis of bending of the cantilever for different pull-in voltages reveals some interesting facts. At low pull-in voltage the cantilever tip barely touches the two terminals, thus resulting in very less contact area. To increase contact area a very high pull-in voltage is applied. However it lifts the tip from the free end due to concave curving of the cantilever in the middle region of the cantilever where the electrode is located. It again results in less contact area. Furthermore, the high pull-in voltage produces large stress at the base of the cantilever close to the anchor. Therefore, an optimum, pull-in voltage must exist at which the concave curving is eliminated and contact area is maximum. In this paper authors report the procedure for finding a optimum voltage that can give maximum contact force across the two terminals. Taguchi method which is well suited to solve such optimization problem is used in the present work. The switch parameters, like cantilever length, cantilever width, electrode position, thickness of the metal of two terminals, are taken as 'control factors' with 4 levels each and simulation is performed for various combinations of the control factors as these appear in the rows of the L16 orthogonal array. The paper reports the optimum design of the MEMS switch.
基于悬臂的金属对金属接触式MEMS系列开关在RFMEMS、Power MEMS等领域有着广泛的应用。典型的MEMS开关由悬臂梁作为驱动元件,使开关的两个金属端子之间产生接触。在静电型开关中,通过向位于悬臂中部下方的控制电极施加拉入电压来拉下悬臂,而只有悬臂的尖端部分在两个端子之间接触。对悬臂梁在不同拉入电压下弯曲的详细分析揭示了一些有趣的事实。在低拉入电压下,悬臂顶端几乎不接触两个端子,因此接触面积非常小。为了增加接触面积,施加了很高的拉入电压。然而,由于在电极所在的悬臂的中间区域悬臂的凹弯曲,它将尖端从自由端抬起。这又导致了接触面积的减少。此外,高拉入电压在靠近锚的悬臂梁底部产生较大的应力。因此,必须存在一个最优的拉入电压,在这个电压下,凹曲线被消除,接触面积最大。在本文中,作者报告了寻找一个最佳电压的过程,该电压可以使两个端子之间的接触力最大。田口法是一种很适合求解这类优化问题的方法。将开关参数,如悬臂长度、悬臂宽度、电极位置、两个端子的金属厚度等作为“控制因素”,每个控制因素有4个级别,并对L16正交阵列中出现的控制因素的各种组合进行模拟。本文报道了MEMS开关的优化设计。
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引用次数: 7
期刊
2010 IEEE International Conference on Semiconductor Electronics (ICSE2010)
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