Aerosol Jet Printing of Miniaturized, Low Power Flexible Micro-Hotplates

Khan, Saleem; Nguyen, Tran Phong; Thiéry, Laurent; Vairac, Pascal; Briand, D.

doi:10.3390/proceedings1040316

Cited by 10 publications

(9 citation statements)

References 6 publications

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“…In the main part of recent researches, e.g., [3,4], the authors used polyimide film as a substrate for the sensors made using InkJet and AerosolJet printing. This polymeric material permits the application of gas sensor at rather high working temperature-up to 350 °C-and enables the fabrication of flexible devices free of some disadvantages of silicon MEMS ones.…”

Section: Introductionmentioning

confidence: 99%

Platinum Based Material for Additive Technology of Gas Sensors

Vasiliev

Kim²,

Ткачев

et al. 2018

Eurosensors 2018

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We prepared platinum nanoparticle ink usable for the fabrication of MEMS microheaters of high-temperature gas sensors and thermoresistors operating up to 450 °C and present some preliminary results on the application of the ink in sensor microheater manufacturing. The ink consists of platinum particles (3-8 nm) suspended in ethylene glycol solution of polyvinylpyrrolidone. The ink is usable in both InkJet and AerosolJet printers. The annealing at temperature of about 600 °C leads to the formation of uniform microheater structure. The experiments on microheater aging confirm the stability of the printed microstructure at 450 °C for at least one year of operation. The substrates used for printing were thin alumina and LTCC ceramics with thickness of 12-20 μm.

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Section: Introductionmentioning

confidence: 99%

Platinum Based Material for Additive Technology of Gas Sensors

Vasiliev

Kim²,

Ткачев

et al. 2018

Eurosensors 2018

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Section: Integrated Microheatersmentioning

confidence: 99%

“…A similar study utilized AJP to produce miniaturized gold microplates on flexible polyimide substrates with an efficient power consumption of 54 mW at 325 °C (Figure 7b). [160] A parallel work included patterning gold-based microhotplates with ultralow power efficient heating (i.e., 12 °C mW −1 ) on double meander 150 × 150 μm 2 heaters. [156] Vasiliev et al and Samotaev et al have also been active in employing AJP toward the fabrication of platinum microheaters on ceramic membranes to advance MEMSbased sensors.…”

Section: Integrated Microheatersmentioning

confidence: 99%

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Aerosol‐Jet Printed Sensors for Environmental, Safety, and Health Monitoring: A Review

Fisher

Skolrood

et al. 2023

Adv Materials Technologies

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An emergent direct‐write approach, aerosol‐jet printing (AJP), is gaining attention for the deployment of rapid and affordable microadditively manufactured energy‐efficient sensors and printed electronics. AJP enables a broad range of ink viscosities (0.001–1 Pa s) for printing diverse materials ranging from ceramics and metals to polymers and biological matter. Reproducible, high‐spatial‐resolution features (≈10 µm), and wide standoff distances (1–11 mm) between the nozzle and the substrate facilitate conformal printing of complex geometrical designs on nonplanar—e.g., stepped or curved—surfaces. This paper aims to provide a comprehensive overview of state‐of‐the‐art AJP‐based sensors (e.g., strain and temperature gauges, biosensors, photosensors, humidity and surface acoustic wave sensors, dielectric elastomer actuators, and motion, smoke, and hazardous gas detectors) and to discuss prospective applications. The drive toward cost‐effective devices that are smaller, lighter, and better‐performing remains a frontier challenge in the field of printed electronics. Consequently, as AJP becomes increasingly utilized in the high‐volume manufacturing of miniaturized active and passive sensors, it opens a pathway for facile large‐scale fabrication of devices for a wide range of consumer and industrial applications, including transportation, agriculture, infrastructure, aerospace, national defense, and healthcare.

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“…Wearable temperature sensors are also interesting for electronic skin applications and are widely explored in addition to many other sensing devices, aimed at the advancement of industrial and particularly social robots [ 121 , 122 ]. Printed thermal sensors are mostly based on the resistance measurements of a metallic structure against temperature rise, and the thermal coefficient of resistance (TCR) values are used to determine the temperature response accordingly [ 123 ]. Figure 13 shows representative examples of human-body-mounted temperature sensors providing data in real time.…”

Section: Wearable Sensorsmentioning

confidence: 99%

Recent Developments in Printing Flexible and Wearable Sensing Electronics for Healthcare Applications

Khan

Ali

Bermak

2019

Sensors

Self Cite

180

121

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Wearable biosensors attract significant interest for their capabilities in real-time monitoring of wearers’ health status, as well as the surrounding environment. Sensor patches are embedded onto the human epidermis accompanied by data readout and signal conditioning circuits with wireless communication modules for transmitting data to the computing devices. Wearable sensors designed for recognition of various biomarkers in human epidermis fluids, such as glucose, lactate, pH, cholesterol, etc., as well as physiological indicators, i.e., pulse rate, temperature, breath rate, respiration, alcohol, activity monitoring, etc., have potential applications both in medical diagnostics and fitness monitoring. The rapid developments in solution-based nanomaterials offered a promising perspective to the field of wearable sensors by enabling their cost-efficient manufacturing through printing on a wide range of flexible polymeric substrates. This review highlights the latest key developments made in the field of wearable sensors involving advanced nanomaterials, manufacturing processes, substrates, sensor type, sensing mechanism, and readout circuits, and ends with challenges in the future scope of the field. Sensors are categorized as biological and fluidic, mounted directly on the human body, or physiological, integrated onto wearable substrates/gadgets separately for monitoring of human-body-related analytes, as well as external stimuli. Special focus is given to printable materials and sensors, which are key enablers for wearable electronics.

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Aerosol Jet Printing of Miniaturized, Low Power Flexible Micro-Hotplates

Cited by 10 publications

References 6 publications

Platinum Based Material for Additive Technology of Gas Sensors

Platinum Based Material for Additive Technology of Gas Sensors

Aerosol‐Jet Printed Sensors for Environmental, Safety, and Health Monitoring: A Review

Recent Developments in Printing Flexible and Wearable Sensing Electronics for Healthcare Applications

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