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2016 IEEE 66th Electronic Components and Technology Conference (ECTC)
premier components, packaging and technology conference
The IWDTF2011 will focus on the science and technologies of gate dielectric films for MOS and memory devices, such as ultrathin SiO2, SiON, high-k gate dielectrics, and ferroelectric films. The topics on other technologies involved in the advanced gate stacks, including metal gate electrodes and high-mobility channel materials, will also be discussed.
Bioimpedance Theory and Modeling Electrical Impedance Tomography Clinical Applications Tissue and Organ Impedance Skin and Epithelial Impedance Electrodes and Instrumentation Body Composition and Tissue Fluid Content Magnetic Induction Tomography Magnetic Resonance Electrical Impedance Tomography Advanced Bioimpedance Technologies Bioimpedance Analysis Cells, Cell Cultures and Suspensions Plant Tissue Impedance
2009 6th International Symposium on Advanced Gate Stack Technology (ISAGST)
This year s Symposium provides a forum for semiconductor industry professionals, researchers, and academia to discuss strategies for implementing high-k and metal gate stack technology into memory (flash, DRAM) and logic (high performance, low standby power) for 22nm node and beyond. Stacks for advanced high-mobility channels will also be discussed including InGaAs, Graphene and Ge. The Symposium will include developments in functional stacks including stacks for mechanical (MEMS)
2007 International Symposium on Advanced Gate Stack Technology (ISAGST) (Formerly IWGST)
This conference will provide a forum for researchers from semiconductor industry and universities to discuss advanced gate stack related topics through invited and contributed presentations. The program will include speakers from all areas of science and technology in advanced gate stack.
The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.
Plasma Science, 1994. Conference Record - Abstracts., 1994 IEEE International Conference on, 1994
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Electrical Insulation, IEEE Transactions on, 1988
Using a modal approach, a model is derived that makes the interdigital electrode microdielectrometer developed by S. D. Senturia et al. (J. Adhesion, vol.15, p.69-90, 1982) applicable to measuring continuum parameters in a wide range of heterogeneous media. In this so-called imposed omega -k technique, the medium is excited at the temporal (angular) frequency omega by means of an interdigital ...
Solid State Circuits Conference, 1976. ESSCIRC 76. 2nd European, 1976
The suitability of 3T-CIDs for high resolution imaging was investigated on a special device. Two different integrating readout techniques, giving low fixed pattern noise, were successfully tested.
Magnetics, IEEE Transactions on, 1989
The authors have been developing an analog amplifier utilizing a flux flow phenomena in a Josephson line, i.e. the flux-flow-type Josephson amplifier (FFA). The FFA converts a signal current I s to a voltage Vdc across the Josephson line, and the Is-Vdc characteristic determines the performance of the FFA, e.g. the gain and saturation level. Studies have been made to ...
Dielectrics and Electrical Insulation, IEEE Transactions on, 2015
This paper describes 3D particle-in-cell (PIC) simulation of charge injection and transport through ferroelectric semicrystalline polymer (e.g. PVDF) film comprised of nanocrystallites in an amorphous matrix with varying degrees of crystallinity. The classical electrical double layer (EDL) model for a monopolar core is extended (eEDL) to represent the nanocrystallite by replacing it with a dipolar core. Charge injection at the ...
P. Cooperman IEEE Transactions on Industry Applications, 1976
Where the resistivity of a precipitated layer of dust exceeds a value in the neighborhood of 108 Â¿m, the phenomenon of back corona generally occurs. The fact that this is not always the case, however, shows that the phenomenon is not perfectly understood. In 1965, the author introduced to the theory the additional factor of the dielectric constant. This had ...
A. Yuhara; T. Mizutani; N. Hosaka; J. Yamada; S. Kobayashi Ultrasonics Symposium, 1989. Proceedings., IEEE 1989, 1989
Dry etching for fine patterns in high-frequency SAW (surface acoustic wave) devices is described. Several dry-etching processes are discussed in the connection with the following subjects: etching anisotropy, selectivity to photoresists and substrates (LiNbO3, LiTaO3, and quartz), and substrate damage. For the etching of fine Al electrodes in high-frequency SAW devices, reactive ion etching (RIE) is chosen, because RIE is ...
Toshio Suzuki IEEE Transactions on Industry Applications, 1976
Measurements with multiple techniques delineating the complete sequence of events from the primary streamer to the formation of the spark channel for relatively small point-to-point gaps are reported. The pulsed potential with 0.4 Âµs rise time and 1800 Âµs decay time was applied to the point-to-point gap, of which length was changed from 6 to 14 cm. The light pulses ...
Y. Suetsugu; Y. Tanimoto; Y. Hori; K. Kanazawa; M. Kobayashi; Y. -J. Hsu Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001, 2001
One of the latest serious problems for KEKB is a beam size blow up of the positron beam. The blow up is considered to be caused by a single-beam instability due to an electron cloud around the positron beam. The seed of the electrons is mainly photoelectrons emitted from the surface of vacuum chamber. Here a surface with a sawtooth ...
P. A. Ramemoorthy; P. E. Pace; D. Siver LEOS '92, Conference Proceedings. IEEE Lasers and Electro-Optics Society, 1992 Annual Meeting, 1992
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Several attempts have been made to enhance the control of highly sensorized prostheses. One of the main goals is to create a bidirectional link between the prosthesis and the nervous system. Several approaches based on noninvasive and invasive interfaces have been developed and tested. Among these, interfaces with the peripheral nervous system (PNS), especially longitudinal intrafascicular electrodes (LIFEs), seem to be a promising solution. This chapter presents the potential and the limits of these interfaces for the control of prosthetic devices. It reviews the state of the art of artificial hand control based on the use of invasive interfaces with the PNS. Decoding algorithms represent a critical step for electroneurographic (ENG)-based hand prosthesis control. Algorithms have been mainly developed for the closed-loop control of functional electrical stimulation (FES) systems. Several techniques have been developed to provide noninvasive tactile or proprioceptive information to the amputees.
The peripheral nerve interface provides a connection between the peripheral nerve cells in our bodies and neuroprosthetic devices. It is important to consider and assess how well different types of neural interfaces selectively access specific nerve fibers. This chapter first provides a background for understanding the importance of selectivity by introducing two examples of neural prosthesis applications, and reviews the state of the art of methods for quantitatively assessing selectivity. Second, it defines four success criteria for evaluating selectivity, and provides specific results from an experimental study for comparing the selectivity performance of two intraneural peripheral electrodes (thin-film longitudinal intrafascicular electrodes (tfLIFE) and the transverse, intrafascicular multichannel electrode (TIME) interfaces) placed in the median nerve in the forelimb of pigs. It is shown that the design and placement of the electrode must be carefully considered before choosing a neural interface for a specific neural prosthesis application.
A key challenge in designing analog-to-digital converters for cortically implanted prosthesis is to sense and process high-dimensional neural signals recorded by the micro-electrode arrays. In this paper, we describe a novel architecture for analog-to-digital (A/D) conversion that combines ΣΔ conversion with spatial de-correlation within a single module. The architecture called multiple-input multiple-output (MIMO) ΣΔ is based on a min-max gradient descent optimization of a regularized linear cost function that naturally lends to an A/D formulation. Using an online formulation, the architecture can adapt to slow variations in cross-channel correlations, observed due to relative motion of the microelectrodes with respect to the signal sources. Experimental results with real recorded multi-channel neural data demonstrate the effectiveness of the proposed algorithm in alleviating cross-channel redundancy across electrodes and performing data-compression directly at the A/D converter.
This chapter contains sections titled: Introduction On - Chip Sensing Electrodes Capacitive Biochemical Methods Capacitive Interface Circuits Microfluidic Packaging Conclusion References
This chapter contains sections titled: Conductivity Potential Outside a Charged Conductor Capacitance Matrix The Dirichlet Problem The Neumann Problem Numerical Solution of the Charge Density Problem Conductor in an External Field Conductors in the Presence of Dielectrics Current Injection into a Conducting Volume Contact Electrodes Chains of Conductors
An overview of different approaches to brain-computer interfaces (BCIs) developed in our laboratory is given. An important clinical application of BCIs is to enable communication or environmental control in severely paralyzed patients. The BCI "Thought-Translation Device (TTD)" allows verbal communication through the voluntary self-regulation of brain signals (e.g., slow cortical potentials (SCPs)), which is achieved by operant feedback training. Humans' ability to self-regulate their SCPs is used to move a cursor toward a target that contains a selectable letter set. Two different approaches were followed to developWeb browsers that could be controlled with binary brain responses. Implementing more powerful classification methods including different signal parameters such as oscillatory features improved our BCI considerably. It was also tested on signals with implanted electrodes. Most BCIs provide the user with a visual feedback interface. Visually impaired patients require an auditory feedback mode. A procedure using auditory (sonified) feedback of multiple EEG parameters was evaluated. Properties of the auditory systems are reported and the results of two experiments with auditory feedback are presented. Clinical data of eight ALS patients demonstrated that all patients were able to acquire efficient brain control of one of the three available BCI systems (SCP, µ-rhythm, and P300), most of them used the SCP-BCI. A controlled comparison of the three systems in a group of ALS patients, however, showed that P300-BCI and the µ-BCI are faster and more easily acquired than SCP-BCI, at least in patients with some rudimentary motor control left. Six patients who started BCI training after entering the completely locked-in state did not achieve reliable communication skills with any BCI system. One completely locked-in patient was able t o communicate shortly with a ph-meter, but lost control afterward.
This chapter contains sections titled: Introduction Electrode Organization and Phosphenized Vision Electrode Quantities and Stimulation Rates Electrode Fabrication Psychophysics of Electrical Stimulation Implantation and Prosthesis Design Implant Electronics Models of Electrodes and Current Injection Conclusion References
This work reports and critically reviews failure mechanisms induced by metal- GaAs interaction and contact degradation in low and medium power GaAs MESFETs in the framework of a comprehensive reliability evaluation test plan, performed mainly on commercially purchased devices manufactured by different technologies. The results show that, at least as regards contact degradation phenomena, these technologies have reached sufficient maturity, and significant reliability levels have been achieved even for the most severe applications and environments. Devices coming from some suppliers still suffer from reliability problems, such as sinking of Au-based gate metallization into the active channel, Al electromigration, Al/GaAs interdiffusion enhanced by high contact current density, source and drain ohmic contact resistance increase, ohmic contacts electromigration, surface metal migration and short circuiting of closely spaced electrodes on GaAs with a non-suitable surface preparation and/or passivation. All these failure mechanisms have been identified by means of suitable microanalytical techniques, correlated with device electrical degradation and thoroughly discussed in this paper by comparison with results previously reported in the technical literature.
This chapter addresses stimulation techniques, the issue of the stimulation electrode positioning, motor unit (MU) activation order, and spinal involvement in electrically elicited contractions. Two stimulation techniques are commonly used: bipolar, and monopolar stimulation. The differences between these two methods concern the geometry and relative position of the stimulation electrodes. Surface electromyography (sEMG) signals can be detected during selective electrical stimulation of a nerve branch or of a motor point of a muscle. The resultant sEMG signal is a compound motor action potential (CMAP), also termed as M-wave. Since the M-wave represents the sum of the potentials of the concurrently activated MUs, its change is generally assumed to reflect changes either in the number or in the sarcolemmal properties of activated MUs. Neuromuscular electrical stimulation (NMES) combined with sEMG isolates the contributions of peripheral fatigue because it gives the experimenter control of MU firing frequency and recruitment.
Interest in developing an effective communication interface connecting the human brain and a computer has grown rapidly over the past decade. The brain- computer interface (BCI) would allow humans to operate computers, wheelchairs, prostheses, and other devices, using brain signals only. BCI research may someday provide a communication channel for patients with severe physical disabilities but intact cognitive functions, a working tool in computational neuroscience that contributes to a better understanding of the brain, and a novel independent interface for human-machine communication that offers new options for monitoring and control. This volume presents a timely overview of the latest BCI research, with contributions from many of the important research groups in the field. The book covers a broad range of topics, describing work on both noninvasive (that is, without the implantation of electrodes) and invasive approaches. Other chapters discuss relevant techniques from machine learning and signal processing, existing software for BCI, and possible applications of BCI research in the real world. Guido Dornhege is a Postdoctoral Researcher in the Intelligent Data Analysis Group at the Fraunhofer Institute for Computer Architecture and Software Technology in Berlin. JosÃ¯Â¿Â¿Ã¯Â¿Â¿ del R. MillÃ¯Â¿Â¿Ã¯Â¿Â¿n is a Senior Researcher at the IDIAP Research Institute in Martigny, Switzerland, and Adjunct Professor at the Swiss Federal Institute of Technology in Lausanne. Thilo Hinterberger is with the Institute of Medical Psychology at the University of TÃ¯Â¿Â¿Ã¯Â¿Â¿bingen and is a Senior Researcher at the University of Northampton. Dennis J. McFarland is a Research Scientist with the Laboratory of Nervous System Disorders, Wadsworth Center, New York State Department of Health. Klaus-Robert MÃ¯Â¿ Â¿Ã¯Â¿Â¿ller is Head of the Intelligent Data Analysis group at the Fraunhofer Institute and Professor in the Department of Computer Science at the Technical University of Berlin.
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Microsystem Mixed-Signal Circuit Architect
GE Global Research Center
Bioelectronic Medicine Electrical Engineer (Feinstein Institute)
Neuromodulation Faculty Scholars (4th Round)