Inkjet Printing of Epidermal RFID Antennas by Self-Sintering Conductive Ink

Amendola, S.; Palombi, A.; Marrocco, Gaetano

doi:10.1109/tmtt.2017.2767594

Cited by 54 publications

(20 citation statements)

References 34 publications

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“…Fumed silica, polyvinyl alcohol (PVA), and sodium chloride (NaCl) were used as the base materials for the coating. Fumed silica forms the mesoporous absorbing layer, PVA acts as a binder, and NaCl is an additive for chemical sintering . Various materials were tried and the experimental trial and error runs are summarized in the Supporting Information (Figure S4 and Table S3, Supporting Information).…”

Section: Resultsmentioning

confidence: 99%

On‐Demand Printing of Wearable Thermotherapy Pad

Moon

Plečkaitytė

Choi

et al. 2020

Adv Healthcare Materials

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Thermotherapy is an effective method for pain relief, recovery from injury, and general healthcare. The ordinary heat pad used for thermotherapy at home is not usually tailored to the individual but supplied in a few different pre‐fixed sizes and shapes for mass marketing. A customized wearable heat pad often requires expert support. Herein, an instant, custom‐fit, and on‐demand heat pad for thermotherapy is demonstrated. The heater is directly printed using silver nanoparticle ink on an off‐the‐shelf medical grade tape by inkjet technology. By coating the tape with silica nanoparticles as ink‐absorbing layer and chloride ions as chemical sintering agent, stable heater patterns are printed without the need for subsequent high temperature sintering process. A 3D scanner is used to acquire body information, and a customized heater is produced using the information. The printed heat pad is attached to the shoulder and the effect of thermotherapy is verified objectively through electroencephalography and subjectively through survey. This printed heat pad produced by simple and low‐cost fabrication provides wearable medical devices for personal thermotherapy.

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Section: Resultsmentioning

confidence: 99%

On‐Demand Printing of Wearable Thermotherapy Pad

Moon

Plečkaitytė

Choi

et al. 2020

Adv Healthcare Materials

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“…Silver nanowires have recently been used to produce good performance flexible electrodes sintered under room temperature via different electrolyte solutions [110] on polycarbonate substrates. Recent development in ink formulation has resulted in the production of a self-sintering silver ink from Mitsubishi Paper Mill, whereby the conductivity of the ink spontaneously emerges as soon as the printed solution has dried [111] on a suitable substrate, with a quarter of the bulk conductivity of silver reported.…”

Section: Processingmentioning

confidence: 99%

Printed Electronics as Prepared by Inkjet Printing

2020

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Inkjet printing has been used to produce a range of printed electronic devices, such as solar panels, sensors, and transistors. This article discusses inkjet printing and its employment in the field of printed electronics. First, printing as a field is introduced before focusing on inkjet printing. The materials that can be employed as inks are then introduced, leading to an overview of wetting, which explains the influences that determine print morphology. The article considers how the printing parameters can affect device performance and how one can account for these influences. The article concludes with a discussion on adhesion. The aim is to illustrate that the factors chosen in the fabrication process, such as dot spacing and sintering conditions, will influence the performance of the device.

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“…They are popular and attractive in recent years for flexible electronics due to their robustness, flexibility, wettability, and stretchability. Due to high T g, polyimide is one of the most preferred materials for flexible antennas, which had been used as a substrate in prior studies [ 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 ]. Sanusi et al [ 55 ] reported on the design and performance of an artificial magnetic conductor (AMC)-backed dipole antenna on Kapton Polymiode for RF energy harvesting in the context of next-generation blood irradiation systems.…”

Section: Materials For Flexible Antennasmentioning

confidence: 99%

“…In another study [ 56 ], fabricated antenna for body area networks at 2.4 GHz had overcome the human body proximity detuning effect by varying radiator length. The multilayer inkjet-printed microstrip fractal patch antenna showed excellent stability and tolerance under different bending radii of curvature [ 60 ]. The inkjet-printed antenna reconfigurable antenna for WLAN/WiMAX wireless devices was fabricated and tested for both flat and curved geometries of different radii with well-maintained radiation characteristics [ 63 ].…”

Section: Performance Of Different Types Of Flexible Antennasmentioning

confidence: 99%

Flexible Antennas: A Review

et al. 2020

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The field of flexible antennas is witnessing an exponential growth due to the demand for wearable devices, Internet of Things (IoT) framework, point of care devices, personalized medicine platform, 5G technology, wireless sensor networks, and communication devices with a smaller form factor to name a few. The choice of non-rigid antennas is application specific and depends on the type of substrate, materials used, processing techniques, antenna performance, and the surrounding environment. There are numerous design innovations, new materials and material properties, intriguing fabrication methods, and niche applications. This review article focuses on the need for flexible antennas, materials, and processes used for fabricating the antennas, various material properties influencing antenna performance, and specific biomedical applications accompanied by the design considerations. After a comprehensive treatment of the above-mentioned topics, the article will focus on inherent challenges and future prospects of flexible antennas. Finally, an insight into the application of flexible antenna on future wireless solutions is discussed.

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Inkjet Printing of Epidermal RFID Antennas by Self-Sintering Conductive Ink

Cited by 54 publications

References 34 publications

On‐Demand Printing of Wearable Thermotherapy Pad

On‐Demand Printing of Wearable Thermotherapy Pad

Printed Electronics as Prepared by Inkjet Printing

Flexible Antennas: A Review

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