Optimization of Inkjet Printing of Patch Antennas on Low-Cost Fibrous Substrates

Saghlatoon, Hossein; Sydänheimo, Lauri; Ukkonen, Leena; Tentzeris, Manos M.

doi:10.1109/lawp.2014.2322572

Cited by 39 publications

(13 citation statements)

References 11 publications

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“…Accurate knowledge of the thickness of the substrate and its dielectric constant are required in the design of the feeding line. Here we refer to our earlier investigation [14] on the dielectric properties of the thin packaging cardboard from Stora Enso and the conductivity of Harima NPS-JL silver nanoparticle ink deposited on the cardboard after the same surface pretreatment which was used in the present work. The pre-treatment will be further detailed in Section III.…”

Section: Design Of the Wideband Harvester Antennamentioning

confidence: 99%

“…This prevented the spreading of the ink and allowed us to build up subsequent conductive layers effectively. In our earlier investigation [14], we determined the conductivity of the printed layer to be 2·10 7 S/m, using the two-transmission-line method. The inkjet-printed wideband planar monopole antenna on cardboard is depicted in Fig.…”

Section: Antenna Fabrication and Testingmentioning

confidence: 99%

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Inkjet-Printed Wideband Planar Monopole Antenna on Cardboard for RF Energy-Harvesting Applications

Saghlatoon

Björninen

Sydänheimo

et al. 2015

Antennas Wirel. Propag. Lett.

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We present a fully inkjet-printed novel wideband planar monopole antenna on thin packaging cardboard available in bulk for low-cost and environmentally-friendly mass manufacturing. We outline the characterization and the dielectric properties of the cardboard which are imperative for the successful design of an antenna on a paper-based substrate. To achieve highly conductive inkjet-printed pattern on the fibrous and porous cardboard, we deposit thin dielectric coating on the cardboard in the same inkjet process. The operation of the antenna is attested through simulations and measurements in the frequency range of 600-1500 MHz, where there are several strong radio signals present for ambient RF energy harvesting.

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Section: Design Of the Wideband Harvester Antennamentioning

confidence: 99%

Section: Antenna Fabrication and Testingmentioning

confidence: 99%

Inkjet-Printed Wideband Planar Monopole Antenna on Cardboard for RF Energy-Harvesting Applications

Saghlatoon

Björninen

Sydänheimo

et al. 2015

Antennas Wirel. Propag. Lett.

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“…In order to design an RF/Microwave circuit, the electrical properties of the substrate and conductor need to be known. We have used a transmission line method detailed in [2] to characterize the cardboard substrate. The method relies on the measurement of two-port S-parameters of a set of transmission lines with known relative length differences and conductivity.…”

Section: The Inkjet-printing Procedures and Power Harvesting Circuitmentioning

confidence: 99%

“…As the material choices in electronic devices have a huge impact on the environment, lately, the use of renewable, environmental-friendly materials, and additive manufacturing methods, such as inkjet-printing, has been a growing trend. In the field of wireless systems, antennas [1][2], radio-frequency identification (RFID) tags [3], sensors [4], and ambient energy harvesting [5] have been some of the focus areas in this endeavor.…”

Section: Introductionmentioning

confidence: 99%

2.4 GHz inkjet-printed RF energy harvester on bulk cardboard substrate

Khonsari

Björninen

Tentzeris

et al. 2015

2015 IEEE Radio and Wireless Symposium (RWS)

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An experimental investigation on the inkjetprinted power harvester for 2.4GHz and review of RF characterization of substrate and printed conductors are presented in this paper. A one stage discrete rectifier based on a voltage doubler structure and a planar monopole antenna are fabricated on cardboard using inkjet printing. The performance of the whole system is examined by measuring the output voltage of the RF power harvester. By the utilization of the proposed idea, the fabrication of low-cost environmentally-friendly battery-less wireless modules is conceivable.Index Terms -Inkjet printing, additive manufacturing, cardboard substrate, energy harvester, planar monopole.

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“…With the rapid emergence of printed electronics, Inkjet printing technology is becoming more prominent due to merits such as reduction in manufacturing costs, shorter fabrication time and aiding mass production flexibility [1]. Inkjet printing makes use of nanoparticle inks rather than conventional copper used in traditional techniques permitting the use of flexible substrates.…”

Section: Introductionmentioning

confidence: 99%

Inkjet-printed bandstop filters for interference suppression in multi-standard wireless systems

Olukoya

Budimir

2016

2016 Asia-Pacific Microwave Conference (APMC)

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obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.The WestminsterResearch online digital archive at the University of Westminster aims to make the research output of the University available to a wider audience. Copyright and Moral Rights remain with the authors and/or copyright owners.Whilst further distribution of specific materials from within this archive is forbidden, you may freely distribute the URL of WestminsterResearch: ((http://westminsterresearch.wmin.ac.uk/).In case of abuse or copyright appearing without permission e-mail repository@westminster.ac.uk Abstract-This paper presents a highly compact inkjet printed microstrip bandstop filter (BSF) for interference suppression in multi-standard wireless applications. The structure is designed with strict specifications for inkjet printing such as the use of the Kapton substrate and its flexible polyimide film. The design was simulated based on Kapton substrate with a thickness of 50µm and dielectric constant of 3.4. The simulated results show a good narrowband response with good stopband attenuation of about 38 dB. When compared to other published BSFs, the proposed structure occupies the least normalized area and best return loss performance up to 10 GHz. This filter is then used to reject interference in a multi-standard wireless transmitter system with suppression of about 30 dB achieved with a great level of noise and spurious response reduction thereby improving the overall performance of the system. This type of filter will be very useful to eliminate undesired signals in next generation 4G LTEAdvanced and 5G mobile networks as well as being very attractive for modern day multi-standard wireless applications such as machine to machine (M2M) communications and internet of things (IoT).

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Optimization of Inkjet Printing of Patch Antennas on Low-Cost Fibrous Substrates

Cited by 39 publications

References 11 publications

Inkjet-Printed Wideband Planar Monopole Antenna on Cardboard for RF Energy-Harvesting Applications

Inkjet-Printed Wideband Planar Monopole Antenna on Cardboard for RF Energy-Harvesting Applications

2.4 GHz inkjet-printed RF energy harvester on bulk cardboard substrate

Inkjet-printed bandstop filters for interference suppression in multi-standard wireless systems

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