Room temperature curable zirconium silicate dielectric ink for electronic applications

Varghese, Jobin; Teirikangas, Merja; Puustinen, Jarkko; Jantunen, Heli; Sebastian, Mailadil Thomas

doi:10.1039/c5tc01388g

Cited by 15 publications

(18 citation statements)

References 29 publications

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“…These values were lower compared to earlier reports on room temperature curable dielectric inks11,13 , indicating that the developed ink can be used to generate good quality printed patterns. The 3D images of the printed film show the bumps and valley nature of the printing.…”

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confidence: 77%

“…The screens are cleaned thoroughly in order to remove any dust or ink residue trapped in the mesh. The desired shape for printing was fabricated on the mesh by conventional photo resistive technique 13 …”

Section: Formulation and Screen Printing Of Nbso Inkmentioning

confidence: 99%

“…The development of conducting and semiconducting inks have seen an appreciable improvement in the last several years 14 11,13 . High κ dielectric ink has a critical role in the large area electronics since it is a vital component in TFTs 8 .…”

Section: Introductionmentioning

confidence: 99%

“…A lot of research is going on this domain, aimed to develop room temperature evaporating screen printing inks to use in high performance applications. 11,13 These room temperature evaporation drying rely primarily on 3 the vehicle, where a tricky combination of organic solvents evaporates soon after the printing.…”

Section: Introductionmentioning

confidence: 99%

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Formulation of Sol–Gel Derived Bismuth Silicate Dielectric Ink for Flexible Electronics Applications

Pullanchiyodan

Surendran

2016

Ind. Eng. Chem. Res.

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An agile formulation for the development of a low dielectric constant ink of nanostructured bismuth silicate (nBSO), synthesized by sol-gel method, was demonstrated. The viscous screen printable ink was formulated by controlling the organic additives. The viscosity, as well as dynamic viscoelastic properties of the formulated ink, was suitably tuned, to yield ideal flow characteristics. Microstructure and surface roughness of the printed film were characterized, and the film shows a minimum surface roughness values (Ra = 80.3 nm and Rq = 102 nm).Microwave dielectric properties of the printed dielectric film were ɛ r = 4.36 and tanδ = 1.6×10 -2 at 10 GHz. The apparent leakage current density of the film is of the order of 10 -5 A/cm 2 . The improved dielectric and thermal properties, combined with low leakage current makes nBSO dielectric ink a suitable candidate for printed electronics.

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confidence: 77%

Section: Formulation and Screen Printing Of Nbso Inkmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Formulation of Sol–Gel Derived Bismuth Silicate Dielectric Ink for Flexible Electronics Applications

Pullanchiyodan

Surendran

2016

Ind. Eng. Chem. Res.

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“…The fabrication procedure of the dielectric ZrSiO 4 ink printed on photo and nanopaper is reported earlier [14]. A homogeneous and stable suspension of ZrSiO 4 was obtained with controlled particle size, and the optimized composition of the binder.…”

Section: Dielectric Inks Formulation and Their Propertiesmentioning

confidence: 99%

Approach to Fabricate Rigid Substrate for 2.4 GHz Inverted-F Antenna Using a Room Temperature Curable Dielectric Ink on Photo and Nanopaper

Sowpati

Nelo

Varghese

et al. 2018

Journal of Elec Materi

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The effect of a room temperature curable dielectric ink (ZrSiO 4 ) printed on commercial photo paper and prepared nanopaper on the dielectric properties at 2.4 GHz are studied.In both cases, the dielectric layer decreased the relative permittivity and dielectric loss and made the flexible substrates rigid. For the nanopaper, the permittivity decreased from 4.7 to 3.57 and the loss value from 0.12 to 0.04. The measured decreases for the photo paper were from 3.12 to 2.61 and from 0.09 to 0.05, respectively. In the performance of the simulated and fabricated inverted-F antennas (IFA), the effect of the dielectric layer could be observed in the decrease of its frequency with about 130Marked Manuscript 2 MHz mainly due to the thicker substrate. The measured total efficiency and gain were 83% and 3.4 dB. The proposed approach could be in the future used for further development of the antenna by modification of the dielectric ink with different additives. KeywordsRoom temperature curable dielectric ink; low loss tangent; Inverted F Antenna (IFA); WLAN; printing; paper; Nanocellulose IntroductionWireless communication wearable devices are becoming popular in many emerging applications. Modern wearable applications like smart watches use wireless technologies like Bluetooth, Wi-Fi, long-term evolution (LTE) and global positioning system (GPS), thus requiring integration of an antenna into the measuring unit. The design of antennas suitable for wrist applications is a challenging task due to the requirements of the compact and especially thin design and low manufacturing costs [1]. The inverted-F antenna (IFA) structures are widely used in wearable applications because of their simple and flexible design, low fabrication cost, and reliable performance [2, 3]. On the other hand, printable electronics can produce very thin, lowcost, and lightweight structures. It is thus clear that fabrication of antennas using printable electronics would offer an optimal solution to realizing flat, inexpensive antennas.Paper is a desired candidate for a low-cost substrate for RF printed electronic applications. It has a low surface profile and, with an appropriate coating, it is suitable 3 for fast printing processes such as direct write methodologies instead of the traditional metal etching techniques. Conductive inkjet printed antennas on flexible, low-cost paper-based substrates have been reported for RFID (Radio-frequency Identification) and WSN (Wireless Sensor Network) applications [4]. For printed antennas, an interesting new option is paper based on nanocellulose (denoted here as nanopaper), which has a densely packed, layered structure allowing highly conductive and sensitive antenna lines at higher frequencies. However, the dielectric properties of common and nanopaper depend on manufacturing route and used raw materials [5][6][7][8]. Thus, the dielectric properties such as dielectric constant (ε r ) and loss tangent (tanδ) have to be characterized before designing the high-frequency structures [5,[9][10][11]]. However, one main ...

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Dielectric Inks

Varghese

Sebastian

2017

Microwave Materials and Applications 2V Set

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Room temperature curable zirconium silicate dielectric ink for electronic applications

Cited by 15 publications

References 29 publications

Formulation of Sol–Gel Derived Bismuth Silicate Dielectric Ink for Flexible Electronics Applications

Formulation of Sol–Gel Derived Bismuth Silicate Dielectric Ink for Flexible Electronics Applications

Approach to Fabricate Rigid Substrate for 2.4 GHz Inverted-F Antenna Using a Room Temperature Curable Dielectric Ink on Photo and Nanopaper

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