Fully Inkjet Printed 60GHz Backscatter 5G RFID Modules for Sensing and Localization in Internet of Things (IoT) and Digital Twins Applications

Adeyeye, Ajibayo; Lynch, Charles A.; He, Xuanke; Lee, Sanghoon; Cressler, John D.; Tentzeris, Manos M.

doi:10.1109/ectc32696.2021.00195

Cited by 6 publications

(2 citation statements)

References 9 publications

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“…Inkjet printing technology has seen significant advances in recent years, particularly in the field of RF and microwave electronics [16][17][18][19][20]. This technology has been used to develop various microwave components such as sensors, filters, and antennas, which play a critical role in a broad range of applications, including automotive, telecommunications, and Internet of Things (IoT) devices [21].…”

Section: Introductionmentioning

confidence: 99%

On the Development of Inkjet-Printed Band Pass Filters Based on the Microstrip Hairpin Structure

Gugliandolo,

Quattrocchi,

Campobello

et al. 2024

Instruments

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In recent years, inkjet printing has emerged as a promising advanced fabrication technology in the field of electronics, offering remarkable advantages in terms of cost-effectiveness, design flexibility, and rapid prototyping. For these reasons, inkjet printing technology has been widely adopted in various applications, including printed circuit board fabrication, sensor development (e.g., temperature, humidity, and pressure sensing), and antenna and filter production, up to the microwave frequency range. The present paper is focused on the investigation of a methodology based on Monte Carlo simulations for quantitatively assessing the influence of fabrication tolerances on the performance of inkjet-printed microwave devices. In particular, the proposed methodology is applied to an inkjet-printed hairpin band pass filter specifically tailored for operation in the L band (i.e., from 1 GHz to 2 GHz). The initial design phase involved the use of computer aided design (CAD) software to optimize the geometric dimensions of the designed filter to closely match the desired performance specifications in terms of bandwidth, insertion loss, and return loss. Later, a Monte Carlo analysis was conducted to evaluate the propagation of tolerances in the fabrication process throughout the design and to estimate their effects on device performance. The fabrication process exploited the advanced capabilities of the Voltera inkjet printer, which was used to deposit a silver-based conductive ink on a commercial Rogers substrate. The device’s performance was evaluated by comparing the simulated scattering parameters with those measured on the developed filter using a vector network analyzer (VNA), thus ensuring accurate validation of real-world performance.

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Section: Introductionmentioning

confidence: 99%

On the Development of Inkjet-Printed Band Pass Filters Based on the Microstrip Hairpin Structure

Gugliandolo,

Quattrocchi,

Campobello

et al. 2024

Instruments

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“…Inkjet printing, either alone or in combination with some other deposition technologies, has been utilized to fabricate a wide range of electronics such as solar cells, light-emitting displays, transistors, and organic light-emitting diodes . During the past decades, our group has inkjet printed a variety of multilayered and multicomponent electronic devices (such as gas − and strain , sensors, RF capacitors, microfluidic devices, and antennas). Like most, if not all, inkjet printer users, we have been suffering from two drawbacks of inkjet printing: frequent interruptions by nonprinting operations (such as cartridge change, post-printing treatments, and a number of tedious processes associated with these activities) and nonuniformity/defects caused by the “coffee ring effect”.…”

Section: Introductionmentioning

confidence: 99%

Full and In Situ Printing of Nanogenerators that Are Based on an Inherently Viscous Piezoelectric Polymer: An Effort to Minimize “Coffee Ring Effect” and Nonprinting Operations

Fang

Zou

Song

et al. 2023

ACS Appl. Electron. Mater.

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Among various printing technologies for fabrication of electronic devices, microplotter printing and inkjet printing provide the best printing resolution. For inkjet printing, which is compatible with only low-viscosity inks, the "coffee ring effect" and time-/labor-consuming nonprinting operations are among the most that impose challenges to its applications for rapid and large-scale fabrication of electronic devices. When printing a flexible electronic device that tends to bend spontaneously, relocating an unfinished/undried workpiece for postprinting treatments usually causes ink diffusion, resulting in deteriorated printing resolution, nonuniformity, and defects. Taking the printing of a poly(vinylidene fluoride)-(PVDF-) based flexible nanogenerator as an example, this work utilized a high-viscosity compatible microplotter printer and a concentrated/viscous PVDF ink (which minimized the "coffee ring effect)" and an in situ fabrication process (which not only maximally facilitated and minimized the nonprinting operations but also avoided the deterioration of the printing resolution and the nonuniformity/defects). A morphological comparison investigation showed that a PVDF patch printed (for only two passes with a concentrated 7 wt % PVDF ink) with a microplotter was morphologically homogeneous with no observable defects, while a PVDF patch printed (for 80 passes with a diluted 0.5 wt % PVDF ink) with a typical inkjet printer exhibited conspicuous nonuniformity and defects like grooves, pits, and cracks. Performance characterization of such a nanogenerator showed that it generated negative− positive twin pulses of short-circuit current during its cyclic bending and unbending, with a short-circuit current density magnitude up to ∼0.4 μA/cm 2 . A flexible carbon nanotube-based chemiresistive gas sensor was also fully printed in situ, in order to demonstrate that the in situ printing method utilized in this work is also compatible with fine features and low-viscosity inks.

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Digital twins in additive manufacturing: a state-of-the-art review

Shen,

2024

Int J Adv Manuf Technol

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With the development of Industry 4.0, additive manufacturing will be widely used to produce customized components. However, it is rather time-consuming and expensive to produce components with sound structure and good mechanical properties using additive manufacturing by a trial-and-error approach. To obtain optimal process conditions, numerous experiments are needed to optimize the process variables within given machines and processes. Digital twins (DT) are defined as a digital representation of a production system or service or just an active unique product characterized by certain properties or conditions. They are the potential solution to assist in overcoming many issues in additive manufacturing, in order to improve part quality and shorten the time to qualify products. The DT system could be very helpful to understand, analyze and improve the product, service system or production. However, the development of genuine DT is still impeded due to lots of factors, such as the lack of a thorough understanding of the DT concept, framework, and development methods. Moreover, the linkage between existing brownfield systems and their data are under development. This paper aims to summarize the current status and issues in DT for additive manufacturing, in order to provide more references for subsequent research on DT systems.

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Fully Inkjet Printed 60GHz Backscatter 5G RFID Modules for Sensing and Localization in Internet of Things (IoT) and Digital Twins Applications

Cited by 6 publications

References 9 publications

On the Development of Inkjet-Printed Band Pass Filters Based on the Microstrip Hairpin Structure

On the Development of Inkjet-Printed Band Pass Filters Based on the Microstrip Hairpin Structure

Full and In Situ Printing of Nanogenerators that Are Based on an Inherently Viscous Piezoelectric Polymer: An Effort to Minimize “Coffee Ring Effect” and Nonprinting Operations

Digital twins in additive manufacturing: a state-of-the-art review

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