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Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 21 až 40 z 46
Hirman, Martin
Diagnostika propojovacích struktur součástek a substrátů

This thesis deals with interconnection of components with flexible substrates considering the different properties compared to the standard rigid substrates. This topic is explained theoretically in the first part of the thesis. Especially, the soldering technology, gluing technology, types of fl...

Harvánek, Lukáš
Nanokompozity pro elektrotechnické aplikace

The biggest advantages of using solid polymer dielectric materials for high voltage devices are specifically their electrical and physical properties. For this reason, the main idea and goal of this study is to assess to what extent nanotechnology can improve the electrical properties&#...

Wirth, Václav
Diagnostika propojovacích struktur součástek a substrátů

This thesis describes the issue of soldering in electronics, focusing on the intermetallic compounds formation in a joint structure. The opening part deals with soft sodering in electronic. Materials, technologies of soldering and the current state of the intermetallic compounds issue are&#x...

Svoboda, Michal
Implementace Condition Based managemantu elektroizolačních systémů

Growing demand on efficient operation of the electrical grids is driving the operators of electrical machinery and equipment to efficiently invest into maintenance and renewal of operated assets. For accurate and cost-effective decisions operators&...

Veselý, Ondřej
Nové materiály pro kabelovou techniku

At first in this thesis the current knowledge about the used cable sheath materials is summarised. Next the increasing requirements for technical parameters of cables from the perspective of the European legislation and the possibility of using nanodielectrics are analysed. Consecutively the...

Štulík, Jiří
Senzory

This thesis deals with a chemoresistive, toxique gas sensors based on carbon nanotubes modified by other organic materials. The modification is carried out in order to improve certain sensor properties. The thesis is divided into two major parts. In the first part, including chapte...

Tomášková, Tetjana
Zlepšování parametrů vysokonapěťových zařízení

Dissertation thesis is targeting improvement the thermal balance of electrical rotating machines. It summarizes the current knowledge in the field of cooling of electrical machines and ways of transfer of heat in them. There is also shown the necessary theory in the fields of ...

Ulrych, Jiří
Perspektivní materiály pro dielektrické obvody elektrických zařízení

The dissertation presented is focused on the analysis of the current state of fluid systems modifications with nanoparticles, expanding of the aspects of the interactions between the liquid dielectrics and the electric field, identification of the necessary diagnostic systems, determination of&#x...

Souček, Jakub
Degradační procesy v elektroizolačních strukturách

This dissertation thesis deals with the description of electroinsulating systems in view of lifetime using models of aging. The theoretical part deals with fundamental aspects of aging models, which are divided into physical, statistical and physical-statistical models. In following text is ...

Hromadka, Karel
Substráty pro výkonové aplikace v elektrotechnice

This paper mainly deals with the manufacturing technologies of substrates that are used in high power applications. The thick film technology and direct bonded copper technology are compared and described in detail. This paper includes also testing methodology that was designed to test&...

Freisleben, Jaroslav
Perspektivní elektronické součástky

This dissertation thesis deals with the study and use of the so-called photodynamic effect in medicine, industry and wastewater treatment. The photodynamic effect is based on the irradiation of a photodynamically active substance (the photosensitizer) to generate highly reactive species. Nowadays...

Zábranský, Vladimír
Metody hodnocení hluku v komunálním prostředí

This doctoral thesis deals with a noise and vibration measurement of rotating machines. The principle and the basic types of turbo-generators are described in the third chapter. The acoustic quantities and relations between them, the procedure of acoustic pressure measurement and the ap...

Machač, Jan
Rizikové aspekty technologických a diagnostických procesů

This thesis deals with risk management during the product lifecycle. The opening part summarizes problems of the product life cycle and its separate phases. The analysis of a risk origin in single phases and current possible solutions for risk management of product lifecycle are&#x...

Pretl, Silvan
Organické materiály pro elektroniku

The main topic of this thesis is focused on the realization of the fully printed transistor. The theoretical introduction gives a brief overview of printed electronics with the description of printing techniques suitable for mass production, which are relevant to the main objective ...

Blechová, Šárka
Řízení technologických a diagnostických procesů

The Ph.D. thesis deals with design of a suitable diagnostic system for the process management in accredited testing laboratories. This thesis is divided into few parts. The important theoretical background is presented in the introduction part. The second part is devoted to the str...

Polanská, Martina
Analýza dějů provázejících tepelný rozklad elektroizolačních materiálů

This doctoral thesis deals with monitoring of insulation resistance of a cable during standard fire test and with evaluation of the processes taking place in the cable insulation during a fire. The introductory parts of this thesis focus on concise description of ways of achie...

Džugan, Tomáš
Perspektivní technologie elektroniky

This paper deals with the usage of organic materials in gas and vapor sensors. The present state of gas and vapor sensors is described in the first part of the thesis. Basic parameters of sensors and their functional principles are also defined. The second part of th...

Kuberský, Petr
Perspektivní technologie pro elektroniku

This thesis deals with the construction of electrochemical devices based on organic materials for the detection of gas phase substances. The introductory part is focused on the description of basic terms and sensor properties which are generally used in the field of gas sensors.&#x...

Širůček, Martin
Zlepšování parametrů výkonových transformátorů

The aim of this thesis is improvement of the selected part of power transformers ? Oil-paper insulating system. It is achieved due to application of environmentally friendly oil with higher flash point. Thesis deals with aspects of application these oils in the power transformer.&#...

Krpal, Ondřej
Komplexní studie polovodivých ochran

The dissertation deals with the new approaches in the design of semiconductive protection (the EGS protection) in high-voltage rotating machines. These protections are applied to the stator bars in the end-winding of the generator and are electrically stressed during the machine operation,&#...

Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 21 až 40 z 46