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Flexible and stretchable electronics for wearable healthcare Ghent University
Measuring the quality of human health and well-being is one of the key growth areas in our society. Preferably, these measurements are done as unobtrusive as possible. These sensoric devices are then to be integrated directly on the human body as a patch or integrated into garments. This requires the devices to be very thin, flexible and sometimes even stretchable. An overview will be given of recent technology developments in this domain and ...
Flexible and stretchable electronics for wearable health devices Ghent University
Flexible and stretchable electronics Ghent University
Conventionally electronics circuits are produced by assembly of packaged components on flat, rigid printed circuit boards. However there is a growing demand for 2.5 dimensional (2.5D free form surfaces) or even full 3D electronics. Applications for such circuits are found in a vast range of fields: such circuits are desirable for comfort and ergonomic reasons (e.g. in wearable or implantable circuits), to respond to design and aesthetics ...
Mechanical and electrical properties of ultra-thin chips and flexible electronics assemblies during bending Ghent University
Photonic flash soldering of thin chips and SMD components on foils for flexible electronics Ghent University
Ultrathin bare die chips and small-size surface mount device components were successfully soldered using a novel roll-to-roll compatible soldering technology. A high-power xenon light flash was used to successfully solder the components to copper tracks on polyimide (PI) and polyethylene terephthalate (PET) flex foils by using a lead-free solder paste. Results are compared with oven-reflowed solder joints on PI substrates. The delicate PET foil ...
Printed Electronics (PE) as an enabling technology to realize flexible mass customized smart applications KU Leuven Hasselt University
Printed Electronics (PE) involves additive deposition of functional materials on a substrate via printing processes to realize electronic circuits, interconnects, electrical components or devices. This methodology is opposite to the conventional microelectronics industry which is based on subtractive manufacturing techniques (e.g. etching). Some of the advantages of PE over conventional electronics are low prototyping costs, short time to ...
Multiple chip integration for flat flexible electronics Ghent University
These days, there is a lot of interest for making electronic devices lighter and compacter, as the electronics market is rapidly expanding with all sorts of portable devices for home and everyday use. Here, a technology for embedding single thin chips in flexible substrates is further investigated so that several chips might be integrated within the same substrate. This technology offers the possibility of reducing weight, while at the same time ...
Electronics on plastic foil for applications in flexible OLED displays, sensor arrays and circuits KU Leuven
Thin-film transistors (TFT) on plastic substrates are finding their way to commercial products. We focus in this paper on organic and oxide TFTs, which are compatible with polyimide, but also with PEN (poly ethylene naphtalate) substrates. Their use in backplanes of voltage-controlled displays, such as electrophoretic displays, is demonstrated since many years. Very similar TFT technologies enable flexible and large-area imagers, in particular ...
Understanding the importance of Cu(I) intermediates in self-reducing molecular inks for flexible electronics Hasselt University Ghent University
Fast and scalable low-temperature deposition of microscale metallic features is of utmost importance for the development of future flexible smart applications including sensors, wireless communication, and wearables. Recently, a new class of metal−organic decomposition (MOD) copper inks was developed, consisting of self-reducing copper formate containing amine complexes. From these novel inks, copper metal features with outstanding electrical ...