design and fabrication of matrices using solid freeform fabrication techniques

... Thuy, Pham Van Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application In The ... State of America, 1998 [2] R Mehran, CAD of Microstrip Filters considering dispersion loss and discontinuity effects, IEEE Trans MTT-27, Mar (1979) 239 [3] R Mehran, A method of analysis and design ... application in our the next reseach for design and fabrication of a transmitter system for the phase identification code D.T Thuy et al / VNU Journal of Science, Mathematics - Physics 25 (2009)...

Ngày tải lên: 22/03/2014, 11:20

... Inc [6] Mohamed Gad-el-Hak and others, “MEMS: Design and Fabrication , © 2006 by Taylor & Francis Group, LLC [7] Mark J.Jackson, Microfabrication and Nanomanufacturing, © 2006 by Taylor & Francis ... Trương Hữu Lý, Nguyễn Ngọc Việt, Design and simulation for optimal structure of cross type capacitive acceleration MEMS sensor, International journal of mathematics and physical sciences research, ... Sensors and NEMS/MEMS, in BioNanoFluidic MEMS 2008, Springer [5] Stephen Beeby, G.E., Michael Kraft, Neil White, MEMS Mechanical Sensors 2004, Artech House, Inc [6] Mohamed Gad-el-Hak and others,...

Ngày tải lên: 08/06/2016, 07:13

... any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell stack, but also on the design and operating conditions of ... SOFC BOP system (S/C=1.7, O/C=0.3, fuel utilization = 64.2%, electrical conversion efficiency = 44%) Design of SOFC BOP components The BOP components of a SOFC system account for between 50% and ... provided by the anode off-gas given an anode off-gas temperature of less than 650 oC, a cathode off-gas temperature of less than 390 oC, and a flame barrier temperature of less than 700 oC However,...

Ngày tải lên: 05/09/2013, 16:10

... Manh Quan,”The Study ,design and fabrication of low noise and high gain Kuband LNA for satellite communication”master thesis 2013,University Pari-SUD 11,Universityof Engineering and Technology [6] ... requirements of this standard and shall be designated dBm0 3.5 CVSD Characteristics 3.5.1 Input and Output Impedances The analog input and output impedances for CVSD converters are not standardized ... value of capacitors and coils to satisfy stability condition of phase and 33 magnitude and eliminate parasites in the circuit Because all factor will impact on the range of output frequency And...

Ngày tải lên: 27/05/2014, 20:57

... analysis of the nanosensor probe by performing a scan on a standard Figure SEM images of a an uncoated nanofiber and b a gold-coated nanofiber sample, e.g., a Fischer pattern The standard sample ... one of the more potent carcinogens among PAHs and is a fundamental indicator of exposure and carcinogenic activity of all PAHs In order to facilitate the study of intracellular dynamics of benzo ... apart Fabrication of nanosensors requires techniques capable of making reproducible optical fibers with submicronsize-diameter core Figure illustrates the experimental setup for the fabrication of...

Ngày tải lên: 21/06/2014, 08:20

... denote the set of complex numbers Scalars are denoted by x Column vectors and matrices are denoted by a and A and their elements are denoted by and Ai, j respectively Transpose and Hermitian transpose ... denoted by ·T and ·H IM is the identity matrix of size M and 0M is an M-dimensional vector of zeros The Euclidean ( ) norm of a vector a is denoted by a and the Frobenius norm of a matrix A ... transmission of labels (in the form of time and frequency mappings on the radio resource) each of which carry different types of traffic throughout the mesh network according to pre-defined quality -of- service...

Ngày tải lên: 21/06/2014, 18:20

... set of masks  Minimum dimensions of masks determine transistor size (and hence speed, cost, and power)  36 N-WELL PROCESS  MOS Layers in an n-well process  Top view of FET pattern 37 DESIGNING ... the dimensions and separation rules dictated by the process fabrication facility 33 SUMMARY OF TERMINOLOGY (CONT.) 34 LECTURE 03: CMOS FABRICATION Fabricating One Inverter Layout & Design Rule Check ... 39 ALTERNATE LAYOUT STRATEGY 40 BASIC GATE DESIGN Both the power supply and ground are routed using the Metal layer  n+ and p+ regions are denoted using the same fill pattern The only difference...

Ngày tải lên: 29/07/2014, 16:21

... University of Groningen in collaboration with psychologists of the Rotterdam University and Maastricht University and psychiatrists of the departments of Psychiatry of the University of Amsterdam ... Associate professor of Clinical Psychology and by ZONMW, The Netherlands association for Health research and Development, OOG Grant (100002035) to HJ Elgersma and CLH Bockting The Netherlands Organization ... Netherlands 6Department of Clinical Psychological Science, University of Maastricht, The Netherlands 7Department of Clinical and Health Psychology, Erasmus University, Rotterdam, The Netherlands...

Ngày tải lên: 11/08/2014, 16:22

... 10000C) The goal of this thesis is the design and realization of SAW pressure sensor using AlN This kind of device can be used in high temperature applications However, in large range of temperature, ... and procedure to check the device fabrication These tests and procedures allow a fast process control of the deposited/etched layers during the fabrication, and also a fast characterization of ... governed by the laws of physics, chemistry, biology, and electronics From a general point of view, the analysis of devices can be carried out by using some equations of laws of physics, chemistry...

Ngày tải lên: 13/11/2014, 08:38

... selectivity of carbon membrane derived from mPy with and without CTAB (heat rate of °C/min and dwelling time of hrs) 291 Table 12-2: Tabulation of permeability and selectivity of carbon ... background and theory of porous ceramic and carbon membrane For the section on porous ceramic, the fabrication and techniques employed by researchers and industrial process are reviewed and discussed ... monomers 91 5.2.2 Fabrication of YSZ pellets and in-situ solid state polymerization 91 5.2.3 Fabrication of the sintered porous YSZ pellets via carbonization and incineration steps ...

Ngày tải lên: 09/09/2015, 17:54

... one of the most flexible and easy to process materials Even though it has one of the slowest degradation rates of all such polymers, the structural stability of PCL permits the study of fabrication ... because they offer possibilities to vary the ratio of hydrophobic/hydrophilic constituents by copolymerization and to modulate degradability and hydrophilicity of corresponding matrices and surfaces ... et al, 1979; Warren and Kraynik, 1987) and foams (Patel and Finnie, 1970; Menges and Knipschild, 1975; Warren and Kraynik, 1988) with a wide range of materials, structures and density, have been...

Ngày tải lên: 14/09/2015, 10:20

... PCL-PEG-PLC and PEG-PCL-PLA) demonstrated the homogeneity and consistency of the deposited microfilaments with very neat spatial arrangement of pores and channels when viewed in the Z-direction of the fabrication ... with 0/90 lay-down pattern and 66% porosity had compressive stiffness and 1% offset yield strength of 29.8±1.50 and 2.3±0.12 MPa, respectively in air, and of 20.06±0.90 and 1.45±0.08 MPa, respectively ... was then the sum of the responses of the material itself and that of a fluid phase being transported in and out of the solid phase through the pores The result was an increase of the apparent...

Ngày tải lên: 14/09/2015, 10:23

... of the polymer components The scaffold processing demonstrated in one hand, the efficacy of the DRBRP technique to process a wide range of biopolymers and on the other hand, the feasibility of ... architecture, and fully interconnected and controllable pore channel The copolymer had the potential to modulate hydrophilicity and/ or degradability and consequently, the biomechanical properties of the matrices ... Most of the established RP systems mainly focus on a single mode of material and/ or scaffold processing The DRBRP was designed to give the user freedom to process a large variety of polymers and/ or...

Ngày tải lên: 14/09/2015, 10:23

... lines, 120° lines and 150° lines Overview of the toolpath of the scaffold design process is presented in Figure 3.10 in order 70 Chapter Three: Materials and Methods Solid model Solid model Model ... Understanding of the melting behavior of the polymer is important to set an appropriate liquefier temperature for scaffold fabrication The thermal characteristics of the polymers before and after ... samples for each type of material were analyzed 57 Chapter Three: Materials and Methods DSC analysis provided the melting point and degree of crystallinity of the material The degree of crystallinity...

Ngày tải lên: 14/09/2015, 11:12

... treatment of tissues/organs in malfunction, one of the challenges in the field of tissue engineering is the design of various types of scaffolds that can mimic the structure and biological functions of ... at the site of implantation e) Be easily fabricated to form a variety of shapes and sizes In the early days of tissue engineering, FDA approved devices and implants made of polymers of synthetic ... (Sachlos and Czernuszka, 2003) A wide range of scaffold characteristics such as pore morphology, pore size and porosity, has been reported using such conventional fabrication techniques (Widmer and...

Ngày tải lên: 14/09/2015, 11:12

... 5.2.2 5.2.3 5.2.4 5.3 Microfabrication Process of Hollow Microneedle Array 115 Microfabrication Process of Glass 118 Combination Process of Isotropic Etching and Deep Etching 119 ... Various microfabrication techniques were developed for silicon, metal, glass and biodegradable polymer microneedle arrays in solid and hollow structure with tapered and beveled tips and feature ... limitation and low density because of 2-D plane design and fabrication methods Compared to in-plane microneedles, out -of- plane microneedles have more robust structural design in wall thickness and density...

Ngày tải lên: 14/09/2015, 11:17

... DESIGN AND FABRICATION OF SUPERJUNCTION POWER MOSFET DEVICES CHEN YU (M.Eng., Xi’an Jiaotong University, P.R.China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ... section in Fig 5.1(b)) 86 Fig 5.4: Off-state equivalent diode (with p n column width of 1.6µm and 1.0µm and n-column doping concentration of 4.2×1016 cm-3) at the onset of breakdown The breakdown voltage ... theoretical and simulation analyses are of tremendous importance, but they are missing in the literature 1.4 Objectives One of the purposes of this study is to give a thorough understanding of superjunction...

Ngày tải lên: 14/09/2015, 14:12

... analyze the eect of time-varying loads and dierent lengths of time intervals on the algorithms As our focus is to analyze and understand the behaviors of the algorithms in terms of their load balancing ... of continuity The algorithms ELISA and PIA belong to QAP whereas RLBVR and QLBVR belong to RAP and QRAP, respectively We carry out large number of rigorous simulation experiments to capture and ... values of and x, respectively In all the earlier studies [5, 12, 62, 77], the solution to (3.3) is obtained by using the method of Lagrangian multipliers and key idea is to determine the set of...

Ngày tải lên: 16/09/2015, 15:54

... Applications of microfluidic devices and focus of research in this thesis 2) Advantages of microfluidic devices and aim to improve multiplexing capability 1.1.1 Applications of microfluidic devices Microfluidic ... required and the ease of integration with fabrication of the entire microfluidic device There are quite a number of microfabrication techniques available for making microlenses The techniques ... Summary of fabrication techniques The review of these fabrication techniques provided insights to the generation of domeshape structures in a microfluidic device However, techniques such as laser and...

Ngày tải lên: 30/09/2015, 06:04

... explored using both self-assembly techniques and templated growth techniques The fabrication of ordered nanostructures using templates allows spatial control of the placement and the geometries of ... (MOCVD) In nanofabrication, the use of a template for masking purposes is very popular Here, template fabrication was done using LIL and AAO The process steps of LIL and template transfer using e-beam ... [50] 1.6 Motivation and objective of the thesis The goal of this thesis is to design and fabricate 3D nanostructures, QDs and QRs on III-V compound semiconductors The fabrication of the 3D nanostructures...

Ngày tải lên: 30/09/2015, 06:04