Low-Cost Direct-Writing of Silver-Based Ink for Planar Microwave Circuits up to 10 GHz

Blanco-Angulo, Carolina; Martínez-Lozano, Andrea; Arias,; Rodríguez-Martínez, Alberto; Vicente-Samper, José María; Navarro, José María Sabater; Ávila-Navarro, Ernesto

doi:10.1109/access.2023.3234772

Cited by 2 publications

(2 citation statements)

References 47 publications

(48 reference statements)

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“…It has been used in a wide range of applications, such as flexible electronics [39] and sensor development [40][41][42]. It has also been successfully used in microwave engineering for prototyping microwave devices, including microwave transducers [6,43] and antennas with operating frequencies up to 10 GHz [44][45][46]. In the present work, the Voltera V-One inkjet printer was employed for the fabrication of the hairpin filter.…”

Section: Filter Fabricationmentioning

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: Filter Fabricationmentioning

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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“…Based on used printing technology, the edges or surfaces of printed structures can be uneven, and their mechanical resistivity is usually lower [1]. PE technologies are revolutionary for research and development activities as well as for production efficiency, thus many studies are focused on the usability of PE in the highfrequency domain [7][8][9]. Previous studies show the usability of printed transmission interconnects [10] up to ones of GHz with a low attenuation constant [11].…”

Section: Introductionmentioning

confidence: 99%

Microstrip resonators on polyethylene terephthalate substrates realized by direct-write technology

Lotfi,

Janda,

Reboun

et al. 2024

Flex. Print. Electron.

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Printed Electronics (PE) technology has obtained considerable attention due to the simplification of the manufacturing process that can be fully additive. In addition, PE offers possibility to use low-cost, low-temperature substrates, such as polyethylene terephthalate (PET) foil, which could serve as an alternative to conventional high-frequency substrates, like Rogers. In this study, digital printing technology direct write, or so-called dispensing is used to print microstrip Rectangular-shaped resonators (RSRs) on a flexible PET foil and a semi-flexible Rogers 4003 substrate. Resonators are printed by a contact dispenser Nordson EFD Pro Plus 4L/A from a conductive silver-based DuPont PE 874 paste. The selected straight and bent RSRs have deep resonance frequencies at 2.50, and 1.90 GHz, with an amplitude of about −50 and −60 dB, respectively. The mentioned resonators are simulated and printed; then the results are compared with a good match. Resonators on Rogers shows a good match between simulation and realization. On a PET substrate, a 6% shift of transmission zero location is observed. To better understand some probable challenges during the manufacturing of high-frequency resonators, the structure of printed layers is characterized, and the manufacturing process itself is completely analyzed.

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Low-Cost Direct-Writing of Silver-Based Ink for Planar Microwave Circuits up to 10 GHz

Abstract: Fund through the ACIF pre-doctoral program, grant number ACIF/2020/147. The work of J.M.V.-S. is supported by the Conselleria d'Educació, Investigació, Cultura i Esport (GVA) through FDGENT/2018/015 project.

Cited by 2 publications

References 47 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

Microstrip resonators on polyethylene terephthalate substrates realized by direct-write technology

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