Electrical Characterization of Screen-Printed Circuits on the Fabric

Kim, Yongsang; Kim, Hye-Jung; Yoo, Hoi‐Jun

doi:10.1109/tadvp.2009.2034536

Cited by 140 publications

(23 citation statements)

References 15 publications

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“…They are suitable for achieving large area (> 100 cm 2 ) planar circuits, or for concealing and localizing circuits within a small fabric space (< 10 cm 2 ) [26]. Additive manufacturing processes, such as inkjet printing [34], dispenser printing [35], and screen printing [36], have enabled electronic integration on textiles using electrically conductive inks. These inks contain conductive particles, and a polymer binder that holds the particles together [37].…”

Section: Materials and Fabrication Methodsmentioning

confidence: 99%

“…These inks contain conductive particles, and a polymer binder that holds the particles together [37]. These conductive inks are implemented as interconnections [21], resistors [36], piezoresistive strain gauges [38] piezoelectric sensors [39]and electroluminescent displays [35]. Metal deposition methods, including metal plating, thermal evaporation, and sputtering have also been used to deposit metallic films on textiles [26].…”

Section: Materials and Fabrication Methodsmentioning

confidence: 99%

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E-Textile Technology Review–From Materials to Application

et al. 2021

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Wearable devices are ideal for personalized electronic applications in several domains such as healthcare, entertainment, sports and military. Although wearable technology is a growing market, current wearable devices are predominantly battery powered accessory devices, whose form factors also preclude them from utilizing the large area of the human body for spatiotemporal sensing or energy harvesting from body movements. E-textiles provide an opportunity to expand on current wearables to enable such applications via the larger surface area offered by garments, but consumer devices have been few and far between because of the inherent challenges in replicating traditional manufacturing technologies (that have enabled these wearable accessories) on textiles. Also, the powering of e-textile devices with battery energy like in wearable accessories, has proven incompatible with textile requirements for flexibility and washing. Although current e-textile research has shown advances in materials, new processing techniques, and one-off e-textile prototype devices, the pathway to industry scale commercialization is still uncertain. This paper reports the progress on the current technologies enabling the fabrication of e-textile devices and their power supplies including textile-based energy harvesters, energy storage mechanisms, and wireless power transfer solutions. It identifies factors that limit the adoption of current reported fabrication processes and devices in the industry for mass-market commercialization. INDEX TERMSWearables, e-textile devices, e-textile power sources, e-textile manufacturing and scalability.

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Section: Materials and Fabrication Methodsmentioning

confidence: 99%

Section: Materials and Fabrication Methodsmentioning

confidence: 99%

E-Textile Technology Review–From Materials to Application

et al. 2021

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“…Regarding the first approach, two aspects need to be considered: the fabrication of the textile electrical circuits and their interconnection with external devices that can also be rigid. Different methods for the fabrication of electrical circuit have been reported in the literature: embroidering of conductive yarns [44,45], weaving [46,47] and knitting by using conductive and non-conductive yarns [48], laser cutting of conductive fabrics [49], screen printing [50], and use of plastic-based e-strips that can be woven like traditional yarns [51,52]. About the interconnection between the circuits and the external devices: soldering [49,51,52], gluing with conductive [46,52] and non-conductive adhesives [47], embroidering and stitching with conductive yarns [45,49], and crimping [53] are the most used techniques.…”

Section: Led Devicesmentioning

confidence: 99%

“…The fabric circuit was obtained by using a methodology that combines the "iron-on" technique and laser cutting; firstly, a heat-activated paper adhesive is attached to a conductive fabric, afterward, a laser cutter is used to etch the circuit pattern into the fabric and the paper is removed from underneath the circuit, finally, the circuit is ironed onto the second piece of fabric [44,49]. The highly scalable and low-cost screen-printing technique was exploited by Kim et al as a valid alternative to laser cutting, and the flip-chip method was employed to interconnect external electrical elements to the circuit [50]. The connection to the textile circuit can be also carried out by using a thermoplastic non-conductive adhesive [47,54]; by heat and pressure application the adhesive melts and electrical contact is formed.…”

Section: Led Devicesmentioning

confidence: 99%

Light-Emitting Textiles: Device Architectures, Working Principles, and Applications

et al. 2021

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E-textiles represent an emerging technology aiming toward the development of fabric with augmented functionalities, enabling the integration of displays, sensors, and other electronic components into textiles. Healthcare, protective clothing, fashion, and sports are a few examples application areas of e-textiles. Light-emitting textiles can have different applications: sensing, fashion, visual communication, light therapy, etc. Light emission can be integrated with textiles in different ways: fabricating light-emitting fibers and planar light-emitting textiles or employing side-emitting polymer optical fibers (POFs) coupled with light-emitting diodes (LEDs). Different kinds of technology have been investigated: alternating current electroluminescent devices (ACELs), inorganic and organic LEDs, and light-emitting electrochemical cells (LECs). The different device working principles and architectures are discussed in this review, highlighting the most relevant aspects and the possible approaches for their integration with textiles. Regarding POFs, the methodology to obtain side emissions and the critical aspects for their integration into textiles are discussed in this review. The main applications of light-emitting fabrics are illustrated, demonstrating that LEDs, alone or coupled with POFs, represent the most robust technology. On the other hand, OLEDs (Organic LEDs) are very promising for the future of light-emitting fabrics, but some issues still need to be addressed.

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“…Fiber composition has been reported to have an effect on the electrical properties of fabrics despite differences in structural properties, including yarn diameter and fabric density. Woven fabrics of cotton, viscose, silk, wool, and polyester had an electrical resistivity of 1.76 × 10 12 Ω/m, 3.62 × 10 11 Ω/m, 2.40 × 10 13 Ω/m, 2.30 × 10 13 Ω/m, and 4.35 × 10 13 Ω/m, respectively, at 35% relative humidity (RH) [114]. Structural properties also affect electrical properties, thus for such comparisons of fiber composition, all else should be the same except the property of interest.…”

Section: Fabrics—the Effect Of Fiber Composition and Fabric Structurementioning

confidence: 99%

Fabrics and Garments as Sensors: A Research Update

Wilson

Laing

2019

Sensors

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Properties critical to the structure of apparel and apparel fabrics (thermal and moisture transfer, elasticity, and flexural rigidity), those related to performance (durability to abrasion, cleaning, and storage), and environmental effects have not been consistently addressed in the research on fabric sensors designed to interact with the human body. These fabric properties need to be acceptable for functionalized fabrics to be effectively used in apparel. Measures of performance such as electrical conductivity, impedance, and/or capacitance have been quantified. That the apparel/human body system involves continuous transient conditions needs to be taken into account when considering performance. This review highlights gaps concerning fabric-related aspects for functionalized apparel and includes information on increasing the inclusion of such aspects. A multidisciplinary approach including experts in chemistry, electronics, textiles, and standard test methods, and the intended end use is key to widespread development and adoption.

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Electrical Characterization of Screen-Printed Circuits on the Fabric

Cited by 140 publications

References 15 publications

E-Textile Technology Review–From Materials to Application

E-Textile Technology Review–From Materials to Application

Light-Emitting Textiles: Device Architectures, Working Principles, and Applications

Fabrics and Garments as Sensors: A Research Update

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