Stability and durability of resonant SAW strain sensors

Kalinin, V.; Leigh, A.; Stopps, Alexander

doi:10.1109/eftf.2016.7477763

Cited by 6 publications

(3 citation statements)

References 7 publications

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“…Dual-channel temperature compensation design is usually used to eliminate the influence of temperature in SAW sensors. Kalinin et al (2016; Kalinin, 2011) used non-paralleled dual-channel design for temperature stability of SAW resonator strain and torque sensors. Our previous investigations on wireless passive SAW reflective delay line pressure sensor used a one-IDT and opposite directional dual-channel design for temperature compensated of SAW pressure sensor.…”

Section: Stability Issues and Improvementsmentioning

confidence: 99%

“…Thanks to the state-of-the-art microelectronic/micromechanical fabrication technologies, SAW sensor nodes can be fabricated to as small as 1.5 × 1.5 mm by using complementary metal-oxide-semiconductor (CMOS) fabrication processes (Tigli et al , 2010), which can be further improved in the future with the development of microelectronic/micromechanical fabrication technologies. Taking advantages of the wireless passive characteristics of SAW sensors, Kalinin et al (2016; Kalinin, 2011) from Transense UK have developed various wireless passive SAW sensors for different industrial applications, and Yue et al (2022) developed wearable wireless passive SAW sensors for biomedical applications. Wireless passive sensors are so important in portable, large-area-deployment and harsh environment sensing scenarios.…”

Section: Prospectsmentioning

confidence: 99%

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A review of surface acoustic wave sensors: mechanisms, stability and future prospects

Tang,

Wu,

Yang

et al. 2024

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Purpose Surface acoustic wave (SAW) sensors have attracted great attention worldwide for a variety of applications in measuring physical, chemical and biological parameters. However, stability has been one of the key issues which have limited their effective commercial applications. To fully understand this challenge of operation stability, this paper aims to systematically review mechanisms, stability issues and future challenges of SAW sensors for various applications. Design/methodology/approach This review paper starts with different types of SAWs, advantages and disadvantages of different types of SAW sensors and then the stability issues of SAW sensors. Subsequently, recent efforts made by researchers for improving working stability of SAW sensors are reviewed. Finally, it discusses the existing challenges and future prospects of SAW sensors in the rapidly growing Internet of Things-enabled application market. Findings A large number of scientific articles related to SAW technologies were found, and a number of opportunities for future researchers were identified. Over the past 20 years, SAW-related research has gained a growing interest of researchers. SAW sensors have attracted more and more researchers worldwide over the years, but the research topics of SAW sensor stability only own an extremely poor percentage in the total researc topics of SAWs or SAW sensors. Originality/value Although SAW sensors have been attracting researchers worldwide for decades, researchers mainly focused on the new materials and design strategies for SAW sensors to achieve good sensitivity and selectivity, and little work can be found on the stability issues of SAW sensors, which are so important for SAW sensor industries and one of the key factors to be mature products. Therefore, this paper systematically reviewed the SAW sensors from their fundamental mechanisms to stability issues and indicated their future challenges for various applications.

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Section: Stability Issues and Improvementsmentioning

confidence: 99%

Section: Prospectsmentioning

confidence: 99%

A review of surface acoustic wave sensors: mechanisms, stability and future prospects

Tang,

Wu,

Yang

et al. 2024

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“…In the past a few years, SAW strain sensors based on the conventional rigid SAW devices have been proposed for automobile, aerospace, nuclear power and power generation industries. [117][118][119][120] However, due to the rigidity of these bulk devices, the strain sensing ranges of all these SAW sensors are limited to less than 400 µε 121 . Flexible SAW strain sensors have attracted much attention due to their good flexibility, and they can be integrated into electronic devices or attached to curved surfaces and human skins.…”

Section: Flexible Acoustic Wave Strain Sensormentioning

confidence: 99%

Flexible and wearable acoustic wave technologies

Zhou

Guo

Yong

et al. 2023

Applied Physics Reviews

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Flexible and wearable acoustic wave technology has recently attracted tremendous attention due to their wide-range applications in wearable electronics, sensing, acoustofluidics, and lab-on-a-chip, attributed to its advantages such as low power consumption, small size, easy fabrication, and passive/wireless capabilities. Great effort has recently been made in technology development, fabrication, and characterization of rationally designed structures for next-generation acoustic wave based flexible electronics. Herein, advances in fundamental principles, design, fabrication, and applications of flexible and wearable acoustic wave devices are reviewed. Challenges in material selections (including both flexible substrate and piezoelectric film) and structural designs for high-performance flexible and wearable acoustic wave devices are discussed. Recent advances in fabrication strategies, wave mode theory, working mechanisms, bending behavior, and performance/evaluation are reviewed. Key applications in wearable and flexible sensors and acoustofluidics, as well as lab-on-a-chip systems, are discussed. Finally, major challenges and future perspectives in this field are highlighted.

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Strain Measurements With Langasite SAW Resonators at High Temperature

Peng

Zhu

et al. 2021

IEEE Sensors J.

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Stability and durability of resonant SAW strain sensors

Cited by 6 publications

References 7 publications

A review of surface acoustic wave sensors: mechanisms, stability and future prospects

A review of surface acoustic wave sensors: mechanisms, stability and future prospects

Flexible and wearable acoustic wave technologies

Strain Measurements With Langasite SAW Resonators at High Temperature

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