National Repository of Grey Literature 41 records found  beginprevious21 - 30nextend  jump to record: Search took 0.00 seconds. 
Quantitative correlation of textural data obtained with CIP and EBSD method
Slunská, Petra ; Lexa, Ondrej (advisor) ; Machek, Matěj (referee)
Since 2011, the Institute of Petrology and Structural Geology, Charles University in Prague, worked with CIP - Computer Integrated Polarization microscopy as fast, inexpensive measurement of c-axis orientation of uniaxial minerals, mostly quartz in high definition. CIP method is developed from the early nineties in Switzerland (Heilbronner & Pauli 1993) and later in many other workplaces. The aim of this work was testing and calibration of optical and camera equipment to verify the accuracy and reliability of data obtained. Served as an independent measurement of EBSD (Electron Backscatter Diffraction) data obtained from the same part of the studied thinsections. The data obtained were analyzed by quantitative analysis of microstructures (PolyLX - MATLABTM toolbox; Lexa 2003). The samples used for testing the methodology mentioned were taken on the profile of Hvězdná and Zdobnice near Rokytnice in the Eagle Mountains by contact orlica-snieznik complex and its mantle. Field studies showed the existence of west dipping shear zone along the said contact and deformed orthogneiss show a macroscopic superposition of several deformation events. The resulting frequency histograms similarities and differences of angles c-axes and angles misorientace grains have a high consensus in the azimuthal criterion, axes...
Gas sensors based on 1D and 2D materials
Brodský, Jan ; Glowacki, Eric Daniel (referee) ; Gablech, Imrich (advisor)
In this work, general properties of fundamental gas sensors are described. Thesis is mainly focused on chemoresistive and ChemFET types, which are further used in experimental part. Subsequently, properties, preparation and transfer methods of chosen 1D and 2D materials are described. Experimental part of this work describes design and fabrication of chips, which combine the sensing principals mentioned above for utilization of 1D and 2D materials as an active layer. Transfer methods of individual materials on fabricated chips are described and these materials are characterized by Raman spectroscopy and field effect transistor characteristics measurements. Finally, the response of chosen materials to oxidative and reductive gases is measured.
Design and realization of automatically parameterizable tape-in-feeder.
Zmítko, Václav ; Kaczmarczyk, Václav (referee) ; Baštán, Ondřej (advisor)
This bachelor´s thesis deals with design and development of a parameterizable Tape in feeder attachment of an automatized programming machine Storm. Tape in feeder is a device which carries the tape with chips into the machine. This parameterizable feeder will be directly replaceable with the Hover-Davis feeders which are using the same installation space and communication interface. Feeder will be designed in a way, that accommodates for different tape widths and contains functions to simplify manufacturing process.
CIP industrial protocol simulation
Molent, Michal ; Musil, Petr (referee) ; Blažek, Petr (advisor)
The thesis is about industrial automatic CIP protocol, which belongs to SCADA systems. The first part is focused on basic principles of CIP protocol and on analysis of two protocols (EtherNET/IP and DeviceNet), which are based on CIP protocol. The second part deals with designing scenarios for a simulation. The simulation of one-way communication, two-way communication with help of reads from the console and two-way real time communication between Raspberries PI 3B+. The third part deals with a realization of the simulation, a start-up and a function of predefined scenarios and graphic interface. The fourth part deals with analysis network communication in situations, which occur during a protocol EtherNet/IP simulation.
Software for cameras configuration design of the panoramic system
Jílek, Michal ; Grenar, David (referee) ; Kříž, Petr (advisor)
This work deals with software design in C ++ language and with graphical output using OpenGL for scanning tribune lenses of cameras with different parameters so that the user lens configurations are known beforehand in order to create panoramic coverage of the stadium stadium. The principle of image capture, lens parameters, and formulas for calculating their appropriate layout on the stadium to collect a panoramic image together is discussed. These are: focal length, viewing angles, coverage calculations, image resolution. Furthermore, a draft program implementing the issue.
Optimization of fabrication technology for ceramics packages
Pavlas, Ondřej ; Szendiuch, Ivan (referee) ; Skácel, Josef (advisor)
This bachelor thesis „Optimalization of fabrication technology for ceramics packals“ tackles the issues of ceramic packaging technology for microelectronics applications. This thesis deals with experimental production of ceramic packages from milling to sintering and the dispense printing with a straight capillary a tan angle 45°
Optimization of fabrication technology and defect detection for ceramics structures
Chyťa, Filip ; Otáhal, Alexandr (referee) ; Skácel, Josef (advisor)
This work deals with the problems of defects in ceramics structures and packages, their detection and subsequent optimization of the manufacturing process in order to eliminate these defects. The first chapter summarizes ceramic materials in elec-trical engineering and deals specifically with Al2O3 and material GRANNALOX 9620 F and optimization of its production profile. The second chapter deals with preparation of the ceramic powder and its subsequent processing. The third chap-ter deals with detection of defects in the thus formed ceramic packages, testing their electrical, thermal and mechanical makings. In the next chapter I deal with my workflow, which I used in the production of packages, the way of production and testing of packages, including comparison of their makings.
SRAM memories testing with utilization of memory built-in-self-test
Sedlář, Jan ; Fujcik, Lukáš (referee) ; Hejátková, Edita (advisor)
The project deals with the testing of SRAM memories using method MBIST with the utilisation of sofware tool Tessent Memory BIST. The main purpose is to get familiar with memory testing and to create a design for testing on a specific chip which after its implementation on the chip will retain the original features and functions. Subsequently, the tool is evaluated on its usability.
CIP Safety
Šmoldas, Michal ; Stibor, Karel (referee) ; Štohl, Radek (advisor)
This master´s thesis deals with the analysis of CIP technology and the creation of laboratory tasks from components based on this technology. The aim of the thesis is to create a literary research on CIP technology and its individual extensions focusing on CIP Safety. Further, a functional laboratory panel is assembled from the available components in the FEKT VUT Brno laboratory supporting this technology CIP Safety, specifying the assignment of the laboratory task. Functionality of the panel has been verified by the SW solution of the laboratory task with visualization and control of the virtual production line. The result of the work is literary research on CIP technology, functional laboratory panel, specification of assignment of laboratory task and SW solution of task with visualization and control of virtual production line.
Quantitative correlation of textural data obtained with CIP and EBSD method
Slunská, Petra ; Lexa, Ondrej (advisor) ; Machek, Matěj (referee)
Since 2011, the Institute of Petrology and Structural Geology, Charles University in Prague, worked with CIP - Computer Integrated Polarization microscopy as fast, inexpensive measurement of c-axis orientation of uniaxial minerals, mostly quartz in high definition. CIP method is developed from the early nineties in Switzerland (Heilbronner & Pauli 1993) and later in many other workplaces. The aim of this work was testing and calibration of optical and camera equipment to verify the accuracy and reliability of data obtained. Served as an independent measurement of EBSD (Electron Backscatter Diffraction) data obtained from the same part of the studied thinsections. The data obtained were analyzed by quantitative analysis of microstructures (PolyLX - MATLABTM toolbox; Lexa 2003). The samples used for testing the methodology mentioned were taken on the profile of Hvězdná and Zdobnice near Rokytnice in the Eagle Mountains by contact orlica-snieznik complex and its mantle. Field studies showed the existence of west dipping shear zone along the said contact and deformed orthogneiss show a macroscopic superposition of several deformation events. The resulting frequency histograms similarities and differences of angles c-axes and angles misorientace grains have a high consensus in the azimuthal criterion, axes...

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