Papers:
Design and Characterization of new GaAs Micromechanical Thermal Converter developed for Microwave Power Sensor
Jakovenko J., Husak M., Lalinsky T., Czech Technical University in Prague, Faculty of Electrical Engineering, CZ
In this report we demonstrate the design of new GaAs based Micromechanical thermal converter (MTC) that creates heart of the RF power sensor microsystem. Transmitted power is the main quantity measured in RF systems. The [...]
Development of Materials and Sensors for the U.S. Army’s Active Coatings Technology Program
The ability to custom build and integrate novel technologies into functionalized systems is the driving force towards the creation and advancement of active coatings systems. Active coating systems require the development and advancement of numerous [...]
Angular Orientation-Specific Directed Self-assembly Enabling the Integration of Small Dies
We report on recent progress in the directed self-assembly of discrete high performance semiconductor device components. Different from prior research, the goal is to enable the integration of ultra small dies (10-100 micrometer in size) [...]
Silex offers sub 50 um pitch for through wafer connections in up to 600 um thick substrates
The silicon via process developed by Silex offers sub 50 um via pitch for through wafer connections in up to 600 um thick wafers. Silex via process enables MEMS designs with significantly reduced die size [...]
Neural Network-Based MEMS Failure Probability Prediction
MicroElectronic and Mechanical Systems (MEMS) are a blend of microelectronic and mechanical devices closely coupled and simultaneously manufactured to monitor, analyze, and control everyday processes such as automobile function, biological systems operation and aeronautical flight. [...]
Au Nanoparticle Coupled- Surface Plasmon Resonance Chemical Sensor for Sensitivity Enhancement
In order to overcome the sensitivity limitation of SPR, nanoparticle-coupled SPR biosensors have explored with tremendous interests since nanoparticles may significantly enhance the sensitivity by 1-2 orders of magnitude. M. J. Natan et al. reported [...]
Spray Pyrolysis Technology for Nanodimensional Film Gas Sensors Manufacturing
Report presents results of investigations aimed spray pyrolysis technology application for nano-dimensional film gas sensors (NDFGS) manufacturing. It is shown that due to spray deposition installation modification the developed technology of nanodimensional gas sensitive film [...]
Carbonate ion sensing electrode membrane based on poly(vinyl chloride) and its property characteristics
A series of poly(vinyl chloride) (PVC) membranes containing a carbonate ion sensible ionophore, a lipophilic additive, and a plasticizer in various compositions was prepared and then investigated in detail in the aspects of properties and [...]
Chemical Nano-Sensor Development and Characterization
Nanoscience and nanotechnology, through the exploration and control of the nanomaterials at the nanometer scale, is considered as one of the key research areas for the future growth of US economy. Many sensor devices are [...]
Reduced-order modelling of the Reynolds equation for flexible structures
A reduced-order modelling technique for the Reynolds equation - which governs squeeze-film damping in MEMS structures - is presented in this paper. It is valid for flexible structures and large displacements, the only hypothesis made [...]
The effect of damping for the rate of flow in the micropump
This research is about identifying the optimal working frequency for valveless pump and comparison with experiment data. The fluid-solid membrane brings about different mode change as the work frequencies change. When the micropump work at [...]
Adaptive Energy Integration of Non-Equilibrium Green’s Function
Within the non-equilibrium Green's function formalism numerical integration plays an important role. Several adaptive integration methods were realized and compared regarding convergency within a self-consistent Schrödinger-Poisson loop, computation time and memory consumption.
Numerical Study of Flame Acceleration in Microchannel
Phenomenon of flame acceleration of premixed combustible air-acetylene mixture towards the open end of adiabatic microchannel has been studied by solving Navier-Stokes (NS) system of equations with single step chemistry model. A two dimensional unsteady [...]
Shear Piezoresistance Coefficient Pi44 of n-type Silicon
The PR in silicon has been widely used in the framework of micro-electro mechanical systems (MEMS). Origin of the shear PR effect even in n-type Si was not always explained completely in despite of simpler [...]
A semi-analytical model for calculating touch-point pressure and pull-in voltage for clamped diaphragms with residual stress
A closed form model for calculating touchpoint pressure and pull-in voltage is proposed for a clamped square diaphragm under the influence of residual stress. The governing differential equation is solved to get the closed form [...]
Heat Conduction Analysis of Nano-tip in Thermal-assisted Data Storage via Molecular Dynamics Simulation
The thermal characterization of nano-tip and media is a fundamental issue for the reliability of thermal-assisted writing processes in the data sotrage. In this paper, nanoscale heat transfer properties in/between nano-tip and media are analyzed [...]
Optimization of Disk-type Piezoelectric Transformers
In this work, we present the optimization of two disk-type piezoelectric transformers (PTs) by using the elite Genetic Algorithm (GA) and the finite-element solver, NTUPZE. The design goal is to optimize the voltage gain as [...]
Electrical equivalent circuit for air and liquid characterization of a multilayer micromembrane with piezoelectric actuation and read-out capabilities
In the field of piezoelectric-based resonators, micromembranes have revealed substantial advantages especially for biosensing experiments. To ease the design of new-membrane-based biosensors, an analytical model is crucial. We have elaborated such a model for the [...]
Transient Analysis of Snap-through Behavior of a MEMS Optical Switch
In this work, we present the study of the transient behaviors of the bi-stable mechanism used for a MEMS optical switch. The major part of the bi-stable mechanism consists of two constrained curved structures (the [...]
A Novel Topology Optimization Scheme for Micro Electro-Thermo-Mechanical Domains
Developing a systematic approach to design optimum Micro-Electro-Mechanical Systems MEMS, recently has received a numerous attention among researchers. Duo to the lack of a systematic design method, typical MEMS devices design procedures encompass trial and [...]
A Simulation-Based Hybrid Optimization Technique for Low Noise Amplifier Integrated Circuit Design Automation
In this paper we propose an intelligent simulation-based optimization technique for designing low noise amplifier (LNA) integrated circuits (ICs). Based on a genetic algorithm (GA), the Levenberg–Marquardt (LM) method, and a circuit simulator, the hybrid [...]
Modeling hysteresis and creep characteristics of a carbon-nanotube-reinforced electroactive actuator
For smart materials that are useful in wide variety of applications such as microelectromechanical systems (MEMS), machine components, and artificial muscle, the nonlinear phenomena of hysteresis and creep are essential consideration. We investigated movement of [...]
Analytical and Computational Solutions to Piezoelectric Bending: A Comparative Study
Computational and analytical studies are conducted on piezoelectric beams of various materials in bending mode investigating the effect of variations in length and thickness on tip deflection that might be useful in MEMS actuators. Specifically, [...]
Perturbation Stochastic Finite Element Analysis of Thermoelastic Quality Factor of Micro-Resonators
MEMS are subject to inevitable and inherent uncertainty that leads to variability in their performance. The effects of these variations have to be considered and modeled to ensure required MEMS performance under uncertainties. In the [...]
Characterization and Optimization Design of the Polymer-based Capacitive Micro-arrayed Ultrasonic Transducer
Chiou D.Y., Chen M.Y., Chang M.W., Deng T.M., RFID Technology Center/Industrial Technology Research Institute (RTC/ITRI), TW
The polymer-based capacitive micro-arrayed ultrasonic transducer (P-CMUT) have been shown to be a more attractive alternative to conventional CMUT in terms of “flexibility” that can be applied in many areas, ranging from consumer electronics to [...]
Micro mixture: Size effect of micro mixing
A micro system is an optimized combination of elements fulfilling several complementary functions. Micro mixers applied in many fields, effective devices, for the handling of a chemical multitude of reaction, achieved objectives along ten years [...]
An Architecture of Quantum CPU
We present a quantum CPU (central processing unit) which is based on the quantum gate set. Using the Von Neuman model, the quantum CPU has development on a classical Digital Signal Processor (DSP TI6711). The [...]
The Logical Elements “And”/ “Or” are Established on the Elements with Punch-Through and Deformation Space Charge Regions
In this article is proposal a design of logical elements “AND”/”OR” based on punch-through effect with a deformation (element ”AND”) of space charge regions (SCR). I.On the substrate N- type is formed P+ - bodies [...]
On the stability length of fluid/liquid interfaces sustained by microfabricated pillars
We focus here on the transfer and concentration of macromolecules from a flowing carrier fluid to a storage liquid. These liquids are flowing in parallel channels, separated by interfaces sustained by micro-pillars. The two fluids [...]
Compact Electromagnetic XY Stage with Nano Scale Resolution and Vibration Resistance
Lee K-I., Kim S-H, Cho J-W, Choi Y.J., Shin J-K, Yoo J.C., Choi Y.J., Korea Electronics Technology Institute, KR
The design, fabrication, and the measurement results of an electromagnetic XY stage are presented. The device has an anti vibration structure and shows a high fill factor of 45% due to its unique structure. Furthermore, [...]
MEMS Humidity Structure with Cantilever – Simulation of Behaviour
The aim of this paper is to report the design of the simple polymers structure humidity sensors and its mechanical and piezorezistive simulation in CoventorWare. Acquired simulation data gets a primary image about sizes bend [...]
Fabry-Perot Diaphragm Fiber Optic Sensor (DFOS) for Acoustic Detection
Sun Y., Feng G., Georgiou G., Padron I., Niver E., Noe K., Chin K.K., New Jersey Institute of Technology, US
The diaphragm fiber optic sensor (DFOS) solely based on Fabry-Perot has been designed and fabricated with Micro-electric mechanical system(MEMS) technology. The DFOS utilizes a diaphragm as the sensing element to detect static and dynamic pressure [...]
Bonding Pad with Reduced Capacity
The technical solutions for the Integrated Circuits (ICs) packaging remains enough conservative during microelectronics development. The ICs with active components having size of micrometers or even nanometers continue to have bonding pads area within hundreds [...]
Micromechanical GaAs Thermal Convertor for Gas Sensors
Jakovenko J., Lalinsky T., Drzík M., Vanko G., Czech Technical University in Prague, Faculty of Electrical Engineering, CZ
This paper discusses design, simulation and fabrication of new Micromechanical Thermal Converters (MTCs) based on GaAs developed for Gas sensors. GaAs MTCs seem to be very attractive for design of thermally based MEMS sensor devices. [...]
Design of Radiation Tolerant Readout System for an Integrated SRAM Based Neutron Detector
This paper presents a design of a radiation tolerant readout system for an SRAM-based neutron detector. The radiation tolerance has been achieved on the system level by applying Error Detection and Correction schemes. The constructed [...]
Multisensor Network for Distance Data Pick-up
The core of the paper describes a multisensor system for measurement and distance data transfer. The realized system for measurement of air temperature, pressure and humidity is described as a example. Eight physical quantities can [...]
Multi-walled Carbon Nanotube Film as Strain Sensors for Structural Vibration Control
We have employed pure multi-walled carbon nanotube (MWCNT) films as strain sensors for structural vibration control. The MWCNT films were prepared by solution/filtration method and were bonded directly onto aluminum specimens by nonconductive adhesives. Conventional [...]
Journal: TechConnect Briefs
Volume: 3, Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 3
Published: May 20, 2007
Industry sector: Sensors, MEMS, Electronics
Topic: Sensors - Chemical, Physical & Bio
ISBN: 1-4200-6184-4