Embroidered Interconnections and Encapsulation for Electronics in Textiles for Wearable Electronics Applications

Linz, Torsten; Vieroth, René; Dils, Christian; Koch, M.; Braun, T.; Becker, Karl‐Friedrich; Kallmayer, Christine; Hong, Soon Min

doi:10.4028/www.scientific.net/ast.60.85

Cited by 65 publications

(14 citation statements)

References 11 publications

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“…Also, devices such as the Delsys Tringo wireless system have been used to assess electromyography and accelerometry signals during walking (e.g., [23]). Clothing-based physiological monitors such as a LifeShirt from Vivometrics [24], the adiStar Fusion products [25], the VTAMN [26], and the Wealthy measurement system [27] have been developed. Similarly, smartphones have become a popular platform for gait monitoring in recent years (e.g., [28], [29]).…”

Section: Introductionmentioning

confidence: 99%

Assessing interactions among multiple physiological systems during walking outside a laboratory: An Android based gait monitor

Sejdić

Millecamps

Teoli

et al. 2015

Computer Methods and Programs in Biomedicine

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Gait function is traditionally assessed using well-lit, unobstructed walkways with minimal distractions. In patients with subclinical physiological abnormalities, these conditions may not provide enough stress on their ability to adapt to walking. The introduction of challenging walking conditions in gait can induce responses in physiological systems in addition to the locomotor system. There is a need for a device that is capable of monitoring multiple physiological systems in various walking conditions. To address this need, an Android-based gait-monitoring device was developed that enabled the recording of a patient's physiological systems during walking. The gait-monitoring device was tested during self-regulated overground walking sessions of fifteen healthy subjects that included 6 females and 9 males aged 18 to 35 years. The gait-monitoring device measures the patient's stride interval, acceleration, electrocardiogram, skin conductance and respiratory rate. The data is stored on an Android phone and is analyzed offline through the extraction of features in the time, frequency and time-frequency domains. The analysis of the data depicted multisystem physiological interactions during overground walking in healthy subjects. These interactions included locomotion-electrodermal, locomotion-respiratory and cardiolocomotion couplings. The current results depicting strong interactions between the locomotion system and the other considered systems (i.e., electrodermal, respiratory and cardivascular systems) warrant further investigation into multisystem interactions during walking, particularly in challenging walking conditions with older adults.

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Section: Introductionmentioning

confidence: 99%

Assessing interactions among multiple physiological systems during walking outside a laboratory: An Android based gait monitor

Sejdić

Millecamps

Teoli

et al. 2015

Computer Methods and Programs in Biomedicine

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“…for wireless monitoring suits [3], music control [7], multi-touch input [49,15] and motion capturing systems [54,11]. Machine embroidery has been one of the first fabrication techniques used in the field of smart textiles [37,41], as it is highly useful for rapid prototyping [28,48]. Mecnika et al provide an excellent overview of numerous embroidered smart textile applications [31], including embroidered circuits, electroconductive interconnections, embroidered antennas, embroidered heating, and embroidered keypads.…”

Section: Embroidered Smart Textilesmentioning

confidence: 99%

Sonoflex: Embroidered Speakers Without Permanent Magnets

Preindl

Honnet

Pointner

et al. 2020

Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology

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“…In addition to easy thickness control of a PDMS substrate with simple spin coating process, it is also chemically inert and stable at high temperature [1,2,13,[16][17][18][19]. However, metal films deposited as interconnects on a PDMS substrate easily crack due to the thermal expansion mismatch between metals and PDMS even before stretching of a PDMS substrate.…”

Section: Introductionmentioning

confidence: 99%

Formation of metal interconnects and their resistance-change behavior during tensile stretching for stretchable packaging applications

Park

Han

et al. 2016

2016 Pan Pacific Microelectronics Symposium (Pan Pacific)

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We examined the resistance-change behavior of thin Pt and Au films on the PDMS elastomeric substrate. A maximum Young's modulus of 1.74 MPa was obtained for the PDMS substrate by adjusting the mixing ratio between base polymer and its curing agent to 10:1. Parylene coating on the PDMS surface was effective as an adhesion layer between metal interconnects and PDMS substrate. Without a Parylene coating, the resistance of a 150 nm-thick Pt film increased from 18.7to 3000 with stretching to 20% strain and became open at strains larger than 20%. On the other hand, the resistance of a Pt film, sputtered on a Parylene-treated PDMS, was initially 10.3 before loading, increased to 99.3 at 30% elongation, and then decreased to 23.8 after complete unloading. Thin Au metallization has better resistance properties for stretchable interconnect applications than Pt thin film. The resistance of a 150 nmthick Au film on a Parylene-coated PDMS substrate was 1.3 before loading, increased to 19 at 30% elongation, and then returned to 1.3 after complete unloading.

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Embroidered Interconnections and Encapsulation for Electronics in Textiles for Wearable Electronics Applications

Cited by 65 publications

References 11 publications

Assessing interactions among multiple physiological systems during walking outside a laboratory: An Android based gait monitor

Assessing interactions among multiple physiological systems during walking outside a laboratory: An Android based gait monitor

Sonoflex: Embroidered Speakers Without Permanent Magnets

Formation of metal interconnects and their resistance-change behavior during tensile stretching for stretchable packaging applications

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