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Editorial introduction for the special issue on sensors for microfluidic analysis systems

IEEE Sensors Journal 2008年第5期8卷 427-429页

作者： Nagle, H. Troy Fair, Richard B. Shannon, Mark A. Tan, Ooi Kiang Geschke, Oliver Ahn, Chong H. Kaynak, Okyay Vellekoop, Michael J. Duke University Department of Electrical and Computer Engineering Durham NC 27708 United States University of Illinois at Urbana-Champaign Department of Mechanical Engineering Urbana IL 61801-2906 United States Nanyang Technological University Division of Microelectronics School of Electrical and Electronic Engineering Singapore 639798 Singapore Technical University of Denmark Department of Micro- and Nanotechnology Kongens Lyngby DK-2800 Denmark University of Cincinnati Department of Electrical and Computer Engineering and Computer Science Cincinnati OH 45221-0030 United States Bogazici University Department of Electrical and Electronics Engineering Istanbul 34342 Turkey Vienna University of Technology Institute of Sensor and Actuator Systems Vienna A-1040 Austria Department of Electrical and Computer Engineering Duke University Electrochemical Society Department of Mechanical Engineering University of Illinois at Urbana-Champaign Urbana IL United States National Science Foundation Science and Technology Center WaterCAMPWS Micro-Nano-Mechanical Systems Laboratory Nanyang Technological University School of Electrical and Electronic Engineering Department of Electrical and Computer Engineering and Computer Science University of Cincinnati Cincinnati OH United States Departments of Electrical Engineering and Biomedical Engineering Microsystems and BioMEMS Laboratory Univensity of Cincinnati Departments of Electrical and Electronics Engineering Bogazici University Istanbul Turkey UNESCO Mechatronics Research and Annlication Centre Vienna Austria Department of Industrial Sensor Systems Institute of Sensor and Actuator Systems Vienna University of Technology Vienna Austria

No abstract available

关键词： Special issues and sections Sensor systems Microfluidics Microelectronics USA Councils Mechanical engineering Actuators Fabrication Biosensors Ferroelectric materials

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Electrothermal coupling and threshold-switching simulation study on phase change memory (PCM) Cell

Electrothermal coupling and threshold-switching simulation s...

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International Conference on Solid-State and Integrated Circuit technology

作者： Yiqun Wei Chi Liu Xinnan Lin Jin He Xing Zhang Mansun Chan Micro-& Nano Electric Device and Integrated Technology Group The Key Laboratory of Integrated Microsystems Shenzhen Graduate School of Peking University Shenzhen China Department of Electronical and Computer Engineering Hong Kong University of Science and Technology Kowloon Hong Kong China

ISBN: (纸本)9781424421855

As one of the candidates of the next generation non-volatile memory (NVM), phase change memory(PCM) has been paid more attention. But there are many open issue in simulation and phase-change mechanism. In this work, an electrothermal simulation is implemented, which can provide an evaluation method for PCM geometry and scaling design. At the time, a threshold-switching mechanism is discussed. A threshold-switching curve is achieved using device simulator, results show that this mechanism can explain the threshold-switching phenomenon.

关键词： Electrothermal effects Phase change memory Phase change materials Temperature Switches Nonvolatile memory Geometry Amorphous materials Crystallization Equations

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Electrothermal Coupling and Threshold-switching Simulation Study on Phase Change Memory (PCM) Cell

Electrothermal Coupling and Threshold-switching Simulation S...

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2008 9th International Conference on Solid-State and Integrated-Circuit technology

作者： Yiqun Wei Chi Liu Xinnan Lin Jin He Xing Zhang Mansun Chan Micro- & Nano Electric Device and Integrated Technology Group The Key Laboratory of Integrated MicrosystemsShenzhen Graduate School of Peking University Department of Electronical and Computer Engineering Hong Kong University of Science and TechnologyClearwater BayKowloonHong KongP.R.China

As one of the candidates of the next generation non-volatile memory(NVM),phase change memory(PCM) has been paid more *** there are many open issue in simulation and phase-change *** this work,an electrothermal simulation is implemented,which can provide an evaluation method for PCM geometry and scaling *** the time,a threshold-switching mechanism is discussed.A threshold-switching curve is achieved using device simulator,results show that this mechanism can explain the threshold-switching phenomenon.

关键词： PCM Electrothermal Threshold-switching Simulation

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Changes in the Editorial Board

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IEEE Transactions on Semiconductor Manufacturing 2008年第3期21卷 305-305页

作者： Duane S. Boning Department of Electrical Engineering &Computer Science Microsystems Technology Laboratories Cambridge MA USA

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Editorial Nanosensors for Defense and Security

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IEEE Sensors Journal 2008年第6期8卷 641-646页

作者： Dwight Woolard Robert Trew Dennis Polla Michael Stroscio Usha Varshney Janet Jensen James O. Jensen Paolo O. Lugli Masakazu Aono U.S. Army Research Office Research Triangle Park NC USA Department of Electrical and Computer Engineering North Carolina State University Raleigh NC USA Microsystems Technology Office Arlington VA USA Department of Bioengineering and Electrical and Computer Engineering University of Illinois at Chicago Chicago IL USA National Science Foundation Division of Electrical Communications and Cyber Systems Arlington VA USA U.S. Army ECBC Technical University of Munich Institute of Nanoelectronics Munich Germany National Institute for Materials Science Nanomaterials Laboratories Tsukuba Japan

The 59 articles in this special issue focus on nanosensors for defense and security.

关键词： Special issues and sections Nanoscale devices Chemical and biological sensors National security Magnetic sensors Biosensors

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Estimation of trap density in AlGaN/GaN HEMTs from subthreshold slope study

Estimation of trap density in AlGaN/GaN HEMTs from subthresh...

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65th DRC Device Research Conference

作者： Chung, J.W. Zhao, X. Palacios, T. Department of Electrical Engineering and Computer Science Microsystems Technology Laboratories Massachusetts Institute of Technology Cambridge MA 02139 United States

No abstract available

ISBN: (纸本)1424411025

No abstract available

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Modeling and verifying non-DAG workflows for computational grids

Modeling and verifying non-DAG workflows for computational g...

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2007 IEEE Congress on Services, SERVICES 2007

作者： Sorde, Sumit W. Aggarwal, Sanjeev K. Song, Jie Koh, Melvin See, Simon Department of Computer Science and Engineering IIT Kanpur 208016 India Asia Pacific Science and Technology Centre SUN Microsystems Inc. Singapore 639798 Singapore

ISBN: (纸本)0769529267

The advent of grid technology has provided a promising methodology for usage of distributed resources for complex scientific workflow applications. Grid workflow management systems (GWMS) enable even a non-expert grid user to compose workflows and further provide functionality to coordinate execution of the complete workflow thereby masking the grid-specific details from the user. We have designed a non-DAG workflow specification model for workflow composition. Our model allows a user to compose a workflow using directed graphs, thereby allowing modeling of sequence, parallel, choice and iteration patterns in the workflow. We have also provided for structural verification of workflows using Petri net based analysis techniques. A workflow is said to be structurally correct if it does not have errors like deadlock and lack of synchronization. A workflow found correct by structural verification techniques can be executed correctly for all possible workflow instances. We have incorporated our workflow model into a previously existing workflow management system for Sun Grid engine [1]. Experiments show that the model allows for composition of wider range of workflow applications. Also the verification procedure provides appropriate error messages to user, indicating the nature and cause of error, when a structural error is detected. We have composed and executed the workflow of EMAN [2], a real-world Bio-informatics application. The experimentation results show the efficient utilization of compute power of the grid by the inherent parallel tasks in the EMAN workflow.

关键词： Petri nets

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2006 Best Paper Award

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IEEE Transactions on Semiconductor Manufacturing 2007年第4期20卷 341-342页

作者： Duane Boning Microsystems Technology Laboratories Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge MA USA

The IEEE Transactions on Semiconductor Manufacturing awarded the 2006 Best Paper Award to T. Pfingsten and D.J.L. Herrmann for their paper, "Model-based design analysis and yield optmization."

关键词： Awards

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A fully integrated microfabricated externally wetted electrospray thruster

A fully integrated microfabricated externally wetted electro...

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43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference

作者： Gassend, B. Velásquez-García, L.F. Akinwande, A.I. Martínez-Sánchez, M. Massachusetts Institute of Technology Cambridge MA 02139 United States MIT Department of Electrical Engineering and Computer Science 32 Vassar Street Cambridge MA 02139 AIAA MIT Department of Aeronautics and Astronautics and Microsystems Technology Laboratories 77 Massachusetts Avenue Cambridge MA 02139 Department of Electrical Engineering and Computer Science 77 Massachusetts Avenue Cambridge MA 02139 Department of Aeronautics and Astronautics 77 Massachusetts Avenue Cambridge MA 02139

ISBN: (纸本)1563479036

This paper reports the performance of a fully-integrated planar electrospray thruster array. Electrospray thrusters work by electrostatically extracting and accelerating ions or charged droplets from a liquid surface to produce thrust. Emission occurs from sharp emitter tips, which enhance the electric field and constrain the emission location. Electrospray propulsion is desirable for its simplicity, high thrust efficiency and tunable specific impulse. However, the electrospray process limits the thrust from a single tip, so that achieving millinewton thrust levels would require an array with tens of thousands of emitters. We have used silicon batch microfabrication technology to make an array of 502 emitters in a 113 mm2 area. The thruster, weighing 5 g, was tested with the ionic liquid EMI-BF4. Time of night measurements show that the thruster operates in the ion-emission regime, which is most efficient for propulsion, with a specific impulse around 3000 s at a 1 kV extractor voltage. Emission starts as low as 500 V. Currents of 370 nA per emitter have been recorded at 1500 V, for an estimated thrust of 26 nN per emitter or 13 μN total, and a 275 mW power consumption. The thrust efficiency is estimated around 85%. In good operating conditions, the current intercepted on the extractor electrode is well below 1%, increasing to a few percent at the highest current levels.

关键词： Electric propulsion

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Modeling and Verifying Non-DAG Workflows for Computational Grids

Modeling and Verifying Non-DAG Workflows for Computational G...

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IEEE Services Computing Workshops, SCW

作者： Sumit W Sorde Sanjeev K Aggarwal Jie Song Melvin Koh Simon See Department of Computer Science and Engineering IIT Kanpur India Asia Pacific Science and Technology Centre Sun MicroSystems Inc. Singapore

The advent of grid technology has provided a promising methodology for usage of distributed resources for complex scientific workflow applications. Grid workflow management systems (GWMS) enable even a non-expert grid user to compose workflows and further provide functionality to coordinate execution of the complete workflow thereby masking the grid-specific details from the user. We have designed a non- DAG workflow specification model for workflow composition. Our model allows a user to compose a workflow using directed graphs, thereby allowing modeling of sequence, parallel, choice and iteration patterns in the workflow. We have also provided for structural verification of workflows using Petri net based analysis techniques. A workflow is said to be structurally correct if it does not have errors like deadlock and lack of synchronization. A workflow found correct by structural verification techniques can be executed correctly for all possible workflow instances. We have incorporated our workflow model into a previously existing workflow management system for Sun grid engine [1]. Experiments show that the model allows for composition of wider range of workflow applications. Also the verification procedure provides appropriate error messages to user, indicating the nature and cause of error, when a structural error is detected. We have composed and executed the workflow of EMAN [2], a real-world bio-informatics application. The experimentation results show the efficient utilization of compute power of the grid by the inherent parallel tasks in the EMAN workflow.

关键词： Grid computing Workflow management software Sun Middleware Power system modeling Bioinformatics Meteorology Concurrent computing Petri nets Asia

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