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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 69
Navrátil, Jiří , Kuberský, Petr , Sedlák, Petr , Hamáček, Aleš
Preparation of nitrogen dioxide sensor utilizing aerosol Jet Printing technology

An innovative aerosol jet printing (AJP) technology was used for the preparation of an electrochemical amperometric gas sensor for nitrogen dioxide detection. It was demonstrated that this non-contact, direct-write printing process allowed the optimization of the platinum electrode platform on a&...

Šlauf, Josef , Pavec, Martin , Řeboun, Jan
Orientation of carbon nanotubes using electric field for applications of electrochemical sensors

This paper describes an initial experiment involving the action of an electric field on carbon nanotubes (CNTs). The spatial orientation of nanotubes is assumed due to the influence of electric field. An arrangement of nanotubes could provide better sensor properties of carbon nanotubes...

Kalčík, Jan , Kalaš, David , Suchý, Stanislav , Soukup, Radek
A contact structure for the hybrid resistive embroidery threads

This publication is a follow-up to the study of an embroidered temperature sensor based on the hybrid resistive thread. It is necessary to be able to create a reliable electrical contact of the resistive thread by techniques which will be suitable for textile series production...

Šíma, Karel , Moučková, Kateřina , Hamáček, Aleš , Soukup, Radek , Komárková, Petra , Glombíková, Viera
System for testing and evaluating the thermal comfort of smart textiles clothing

This paper describes the developed system for testing and evaluating the thermal comfort of smart textiles clothing. The system is based on a hardware unit which is able to send data to the developed application for an Android smartphone over the low energy Bluetooth. The ...

Suchý, Stanislav , Kalaš, David , Kalčík, Jan , Soukup, Radek
A comparison of resistance spot and ultrasonic welding of hybrid conductive threads

With the increasing use of Smart Textile products, there is currently a great deal of effort to increase the quality (mechanical, chemical and electrical) of electrical interconnection of hybrid conductive threads. This paper focuses on two techniques of the interconnection of hybrid co...

Steiner, František , Hirman, Martin , Rous, Pavel , Hornak, Jaroslav
Influence of production and operating conditions on properties of acrylic conformal coatings

This article presents a research focused on a conformal coating used for printed circuit board (PCB) protection. Conformal coatings are an integral part of electronic assemblies to increase resistance to the effects of harmful environments and to improve reliability. An experiment for i...

Hirman, Martin , Navrátil, Jiří , Steiner, František , Hamáček, Aleš
Electrical resistance of solder joints on conductive ribbons

The paper deals with high humidity and high temperature ageing reliability of joints soldered / glued by non-conductive adhesive (NCA) onto the conductive ribbon. The prepared samples were accelerated aged at 85°C temperature and 85% RH for 1000 hours. The main goal of the...

Benešová, Andrea , Hirman, Martin , Hlína, Jiří , Tupa, Jiří , Steiner, František , Řeboun, Jan
Optimization of contacting technological process on printed conductive pattern for wearable electronics

This paper describes the testing of soldering on flexible substrates (PET, Kapton) with fully printed silver conductive pattern. Prior to testing, the technological process was mapped and modeled using a software tool, called ARIS. In the next step all possible causes were defined ...

Hirman, Martin , Navrátil, Jiří , Steiner, František , Hamáček, Aleš
Reliability of glued SMD components on smart textile

The paper deals with temperature ageing reliability of joints glued by non-conductive adhesive (NCA) onto the conductive ribbon. The samples prepared with NCA were accelerated aged at 85°C temperature for 1000 hours. The samples were also stretched on 150% of their relaxed length d...

Michal, David , Suchý, Stanislav , Moučková, Kateřina , Řeboun, Jan
Parameters of tensiometric textile threads based on material composition

The range of available materials to be used in the field of Smart textile is vast, but not thoroughly analysed in depth. This paper presents analysis and testing of textile materials suitable for tensiometric functioning in Smart textile applications. The research was focused on&#x...

Kalaš, David , Suchý, Stanislav , Kalčík, Jan , Řeboun, Jan , Soukup, Radek , Hamáček, Aleš
Contacting of SMD components on the textile substrates

This paper deals with contacting of the standard electrical SMD components on the textile substrates. SMD components are contacted and also encapsulated in one single step by a thermo-compress method. SMD components are embedded and fixed in the cavities of the plastic housing made...

Kosť, Lukáš , Pavec, Martin , Michal, David , Moravcová, Daniela , Soukup, Radek , Hamáček, Aleš
E-textile piano fabricated using several textile technologies

This paper presents research focused on the development of an e-textile piano made by several textile technologies. The textile piano was designed to combine different ways of contacting, such as embroidery, soldering, gluing, thermo-transfer. A blue cotton fabric was used as a substrat...

Řeboun, Jan , Kalaš, David , Michal, David , Hlína, Jiří
Interconnection of terminals on flexible substrates with printed conductive patterns

This paper presents research focused on realisation and the testing of wire to Ag printed pad interconnections realised on flexible substrates. The research was concentrated mainly on the development of highly reliable resistance spot welded interconnection technology. The mechanically crimped co...

Šíma, Karel , Kalaš, David , Pretl, Silvan , Hamáček, Aleš
Resistance measurement method for IoT and low power application

This paper is focused on the measurement of resistance by transferring its value to frequency. The employed integrative comparative method (ICM) based on RC charging circuit is suitable for IoT applications thanks to its low power consumption. The practical implementation of the method&...

Hlína, Jiří , Řeboun, Jan , Michal, David , Hamáček, Aleš
Copper-filled vias made by thick printed copper technology

This paper is focused on copper-filled vias realized by prospective Thick Printed Copper (TPC) technology. TPC technology can be used for power electronics substrate manufacturing instead of conventional metallization techniques (DBC or AMB). This technology enables the realization of complex int...

Kadlec, Petr , Pihera, Josef , Prosr, Pavel , Džugan, Tomáš , Totzauer, Pavel , Hornak, Jaroslav , Kroupa, Tomáš , Zemčík, Hana , Pavlica, Richard , Sedláčková, Pavlína , Komárek, Josef
Evaluation of structure influence within the context of water diffusion and surface current of glass reinforced polymer composites for HV insulation

This article deals with the issue of selected polymer composites consisting of a thermoset matrix and reinforcing glass fibers. These composites are designed for high voltage applications as an electrical insulating material with high mechanical durability. Three composites with a significantly&#...

Haller, Rainer , Hornak, Jaroslav , Martínek, Petr , Hlaváček, Jan
Simple calibration method for improving the comparability of PD measurement results at HVDC conditions

Partial discharge (PD) measurement at DC voltage becomes more and more important due to the increased application of HVDC components in electrical power systems. Numerous studies of PD behaviour on various type of insulation at DC have been currently performed to find out appropria...

Haller, Rainer , Hornak, Jaroslav , Trnka, Pavel , Hlaváček, Jan , Gamil, Ahmed
Dielectric behaviour of natural and synthetic esters at inhomogeneous field conditions

Natural and synthetic esters will be more and more applied as an alternative fluid to the commonly used mineral oil. The application in electrical apparatus needs, at least, the same withstand ability against electrical breakdown or partial discharge (PD) activities as given by the...

Hirman, Martin , Benešová, Andrea , Steiner, František , Tupa, Jiří
Project management during the industry 4.0 implementation with risk factor analysis

Benešová, Andrea , Hirman, Martin , Steiner, František , Tupa, Jiří
Determination of changes in process management within industry

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 69