A wearable tracking device inkjet-printed on textile

Krykpayev, Bauyrzhan; Farooqui, Muhammad Fahad; Bilal, Rana Muhammad; Vaseem, Mohammad; Shamim, Atif

doi:10.1016/j.mejo.2017.05.010

Cited by 54 publications

(32 citation statements)

References 35 publications

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“…These materials provide low surface resistance (0.49 Ω/sq) after bending. In [ 196 ], a wearable tracking system was designed on polyester and cotton substrates. Additionally, a Dimatix printer was used to print the electronic system on these substrates.…”

Section: Fabrication Methodsmentioning

confidence: 99%

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

et al. 2020

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The demand for wearable technologies has grown tremendously in recent years. Wearable antennas are used for various applications, in many cases within the context of wireless body area networks (WBAN). In WBAN, the presence of the human body poses a significant challenge to the wearable antennas. Specifically, such requirements are required to be considered on a priority basis in the wearable antennas, such as structural deformation, precision, and accuracy in fabrication methods and their size. Various researchers are active in this field and, accordingly, some significant progress has been achieved recently. This article attempts to critically review the wearable antennas especially in light of new materials and fabrication methods, and novel designs, such as miniaturized button antennas and miniaturized single and multi-band antennas, and their unique smart applications in WBAN. Finally, the conclusion has been drawn with respect to some future directions.

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Section: Fabrication Methodsmentioning

confidence: 99%

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

et al. 2020

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“…The measured dielectric values of different textile fabrics were provided in [31]. Other investigations such as in [32] have [29], (b)silver fluorine rubber on elastomeric substrate [23], (c) AgNW embedded PDMS [24], and (d) fabric embedded PDMS [18]. [25], (b) magneto dielectric substrate [33], (c) Stretchable PDMS [34].…”

Section: B Substratesmentioning

confidence: 99%

Wearable Antennas: A Review of Materials, Structures, and Innovative Features for Autonomous Communication and Sensing

et al. 2019

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Wearable antennas have gained much attention in recent years due to their attractive features and possibilities in enabling lightweight, flexible, low cost, and portable wireless communication and sensing. Such antennas need to be conformal when used on different parts of the human body, thus need to be implemented using flexible materials and designed in a low profile structure. Ultimately, these antennas need to be capable of operating with minimum degradation in proximity to the human body. Such requirements render the design of wearable antennas challenging, especially when considering aspects such as their size compactness, effects of structural deformation and coupling to the body, and fabrication complexity and accuracy. Despite slight variations in severity according to applications, most of these issues exist in the context of body-worn implementation. This review aims to present different challenges and issues in designing wearable antennas, their material selection, and fabrication techniques. More importantly, recent innovative methods in back radiations reduction techniques, circular polarization (CP) generation methods, dual polarization techniques, and providing additional robustness against environmental effects are first presented. This is followed by a discussion of innovative features and their respective methods in alleviating these issues recently proposed by the scientific community researching in this field. INDEX TERMSWearable devices, Internet of Things (IoT), wearable antennas, flexible, reconfigurable antennas, energy harvesting for wearable devices, specific absorption rate (SAR).

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“…E‐textiles have received considerable interest due to their potential applicability in a variety of wearable clothing, such as sportswear, [ 2 ] military uniforms, [ 3 ] firefighting garments, [ 4 ] health‐care products, [ 5 ] and tracking systems. [ 6 ] The functions of electronic devices composed of E‐textiles include sensors for monitoring physical parameters (e.g., temperature, [ 7 ] humidity, [ 8 ] strain, [ 9 ] and pressure [ 10 ] ) and biological signals (e.g., heart rate, [ 11 ] respiration, [ 12 ] and the composition of sweat [ 13 ] ); energy storage [ 14 ] and energy harvesting devices; [ 15 ] and signal transmission and communication systems. [ 16 ]…”

Section: Introductionmentioning

confidence: 99%

Flat Yarn Fabric Substrates for Screen‐Printed Conductive Textiles

et al. 2020

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Wearable technology has been evolving from rigid electronic accessories toward soft and flexible electronic components that can be seamlessly integrated into a garment. [1] This new generation of wearables requires electronic textiles (E-textiles) to have enhanced comfort for the wearer with high flexibility and conformability which is similar to the properties of conventional textiles. E-textiles have received considerable interest due to their potential applicability in a variety of wearable clothing, such as sportswear, [2] military uniforms, [3] firefighting garments, [4] health-care products, [5] and tracking systems. [6] The functions of electronic devices composed of E-textiles include sensors for monitoring physical parameters (e.g., temperature, [7] humidity, [8] strain, [9] and pressure [10]) and biological signals (e.g., heart rate, [11] respiration, [12] and the composition of sweat [13]); energy storage [14] and energy harvesting devices; [15] and signal transmission and communication systems. [16] To achieve textiles with electronic functionalities, it is crucial to introduce electrically conductive materials such as metals, although the introduction of semiconducting and insulating materials may also be necessary depending on the intended application. Recently, aluminum, one of the metal conductors, has shown the potential to replace expensive metals such as silver and gold in E-textile applications. [17] There are two main approaches for patterning conductive materials on textile substrates, namely, utilizing conductive inks or suspensions (e.g., screen printing, inkjet printing, dispensing, and spray coating) [18] and using conductive yarns (e.g., embroidery, knitting, Jacquard weaving, and stitching). [19] Embroidery is one of the most popular methods for applying conductive yarns to a fabric substrate. Using this additive process, conductive lines or areas can be patterned on conventional nonconducting fabrics such as cotton and polyester, which is an advantage over knitting and Jacquard weaving. The embroidery process, however, is time-consuming and depending on the yarn thickness, there may be difficulties in obtaining a high resolution when filling in large areas. Furthermore, the embroidered area often has a thick and rigid structure, which degrades the flexibility and stretchability of the final wearable device. Direct-printing processes, such as inkjet printing and dispensing, utilizing conductive inks or suspensions have also been intensively studied for the fabrication of conductive patterns because they make it possible to produce various patterns with extremely high resolution. However, direct printing has a similar disadvantage to embroidery as the rates of these processes rely

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A wearable tracking device inkjet-printed on textile

Cited by 54 publications

References 35 publications

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

Wearable Antennas: A Review of Materials, Structures, and Innovative Features for Autonomous Communication and Sensing

Flat Yarn Fabric Substrates for Screen‐Printed Conductive Textiles

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