Microchip technology used in textile materials

Dias, Tilak; Lugoda, Pasindu; Cork, C.R.

doi:10.1016/b978-0-08-100904-8.00022-5

Cited by 5 publications

(6 citation statements)

References 17 publications

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“…It is also crucial to identify the effects of bending, compression and stretching on the temperature-sensing fabric. Cyclic tests conducted on the temperature-sensing yarn has shown that the temperature measurements of the yarn were not significantly affected by the cyclic tests and this has been presented in previous work [ 34 ].…”

Section: Introductionsupporting

confidence: 62%

A Wearable Textile Thermograph

Lugoda

Hughes‐Riley

Morris

et al. 2018

Sensors

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In medicine, temperature changes can indicate important underlying pathologies such as wound infection. While thermographs for the detection of wound infection exist, a textile substrate offers a preferable solution to the designs that exist in the literature, as a textile is very comfortable to wear. This work presents a fully textile, wearable, thermograph created using temperature-sensing yarns. As described in earlier work, temperature-sensing yarns are constructed by encapsulating an off-the-shelf thermistor into a polymer resin micro-pod and then embedding this within the fibres of a yarn. This process creates a temperature-sensing yarn that is conformal, drapeable, mechanically resilient, and washable. This work first explored a refined yarn design and characterised its accuracy to take absolute temperature measurements. The influence of contact errors with the refined yarns was explored seeing a 0.24 ± 0.03 measurement error when the yarn was held just 0.5 mm away from the surface being measured. Subsequently, yarns were used to create a thermograph. This work characterises the operation of the thermograph under a variety of simulated conditions to better understand the functionality of this type of textile temperature sensor. Ambient temperature, insulating material, humidity, moisture, bending, compression and stretch were all explored. This work is an expansion of an article published in The 4th International Conference on Sensor and Applications.

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Section: Introductionsupporting

confidence: 62%

A Wearable Textile Thermograph

Lugoda

Hughes‐Riley

Morris

et al. 2018

Sensors

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“…Temperature sensing yarns were produced using a method similar to that described previously [1,[23][24][25]. To produce the yarns Murata 10 kΩ Negative Temperature Coefficient (NTC) thermistors (NCP15XH103F03RC; Murata, Kyoto, Japan) were soldered onto fine copper wires.…”

Section: Temperature Sensing Yarn Fabricationmentioning

confidence: 99%

“…This work focuses on using temperature sensing yarns, designed and characterized in earlier work [1,[23][24][25], to create a series of innovative textile sensing garments. A key component of this work was to conceptualize and identify the feasibility of developing temperature sensing textiles using temperature sensing yarns.…”

Section: Introductionmentioning

confidence: 99%

Developing Novel Temperature Sensing Garments for Health Monitoring Applications

Lugoda

Hughes‐Riley

Oliveira

et al. 2018

Fibers

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Embedding temperature sensors within textiles provides an easy method for measuring skin temperature. Skin temperature measurements are an important parameter for a variety of health monitoring applications, where changes in temperature can indicate changes in health. This work uses a temperature sensing yarn, which was fully characterized in previous work, to create a series of temperature sensing garments: armbands, a glove, and a sock. The purpose of this work was to develop the design rules for creating temperature sensing garments and to understand the limitations of these devices. Detailed design considerations for all three devices are provided. Experiments were conducted to examine the effects of contact pressure on skin contact temperature measurements using textile-based temperature sensors. The temperature sensing sock was used for a short user trial where the foot skin temperature of five healthy volunteers was monitored under different conditions to identify the limitations of recording textile-based foot skin temperature measurements. The fit of the sock significantly affected the measurements. In some cases, wearing a shoe or walking also heavily influenced the temperature measurements. These variations show that textile-based foot skin temperature measurements may be problematic for applications where small temperature differences need to be measured.

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“…In this approach, chips are connected with fine wires of copper and incorporated into yarn and protected by polymer coating as demonstrated in Fig. 22 a and b [ 240 – 242 ]. Researchers earlier fabricated a circuit interface concept that embraced the field mismatch between the electrical elements and fabrics which consequently enables the integration of arbitrary elements as demonstrated in Fig.…”

Section: E-textilesmentioning

confidence: 99%

“…Reprinted with permission from Refs. [ 240 , 241 ]. c Electronic tracks on textile substrate using interposers.…”

Section: E-textilesmentioning

confidence: 99%

Recent Advances and Challenges Toward Application of Fibers and Textiles in Integrated Photovoltaic Energy Storage Devices

et al. 2023

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Flexible microelectronic devices have seen an increasing trend toward development of miniaturized, portable, and integrated devices as wearable electronics which have the requirement for being light weight, small in dimension, and suppleness. Traditional three-dimensional (3D) and two-dimensional (2D) electronics gadgets fail to effectively comply with these necessities owing to their stiffness and large weights. Investigations have come up with a new family of one-dimensional (1D) flexible and fiber-based electronic devices (FBEDs) comprising power storage, energy-scavenging, implantable sensing, and flexible displays gadgets. However, development and manufacturing are still a challenge owing to their small radius, flexibility, low weight, weave ability and integration in textile electronics. This paper will provide a detailed review on the importance of substrates in electronic devices, intrinsic property requirements, fabrication classification and applications in energy harvesting, energy storage and other flexible electronic devices. Fiber- and textile-based electronic devices for bulk/scalable fabrications, encapsulation, and testing are reviewed and presented future research ideas to enhance the commercialization of these fiber-based electronics devices.

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Microchip technology used in textile materials

Cited by 5 publications

References 17 publications

A Wearable Textile Thermograph

A Wearable Textile Thermograph

Developing Novel Temperature Sensing Garments for Health Monitoring Applications

Recent Advances and Challenges Toward Application of Fibers and Textiles in Integrated Photovoltaic Energy Storage Devices

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