Academic literature on the topic 'Handheld printer'

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Journal articles on the topic "Handheld printer"

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Xu, Yang, and Jing Mei Cheng. "Research and Design of Handheld Thermal Transfer Label Printer Based on STM32." Applied Mechanics and Materials 602-605 (August 2014): 2930–33. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.2930.

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Handheld label printer has been widely used in various aspects of production and people’s life. By analyzing system structure and indexes of the printer, the author put forwards corresponding solutions. Firstly, hardware structure of the printer is introduced and functions of each part are briefly described. The software, which is mainly introduced, is composed of four parts: principle computer data transmission, character data processing, ribbon, position switch and label detections, and realization of print out task. With several debugging, label printing of high quality is achieved.
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He, Zhao, Fengkai Luan, and Mange Huang. "Image Acquisition Based on Handheld Portable Printer - Image Tilt Correction." Journal of Physics: Conference Series 1549 (June 2020): 022060. http://dx.doi.org/10.1088/1742-6596/1549/2/022060.

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Hakimi, Navid, Richard Cheng, Lian Leng, et al. "Handheld skin printer: in situ formation of planar biomaterials and tissues." Lab on a Chip 18, no. 10 (2018): 1440–51. http://dx.doi.org/10.1039/c7lc01236e.

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Zhu, K., C. Li, and B. Pan. "Rapid and Repeatable Fluorescent Speckle Pattern Fabrication Using a Handheld Inkjet Printer." Experimental Mechanics 62, no. 4 (2022): 627–37. http://dx.doi.org/10.1007/s11340-021-00814-6.

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Harshit, G. Bagewadi, GA Abhinav, KP Abhijith, Ulla Asfan, and Verma Payal. "Smart Bus Ticket Vending Machine." Journal of Computer Science Engineering and Software Testing 5, no. 3 (2019): 21–25. https://doi.org/10.5281/zenodo.3374357.

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<em>It is indeed a fact that everyone does regularly travel in the city buses. But these days, the online cab booking has struck the government city buses profit very badly. People usually prefer cabs instead of city buses, as people feel more comfortable in cabs than buses. Changing the city bus system according to the following idea would bring a huge difference in number of passengers travelling in buses. The ticket machines which are now being used need to be upgraded, such that it will have GPS module and internet connectivity (for cloud connection).</em>
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Chen, Bo, Ningning Yang, Qiang Jiang, Wenshuai Chen, and Ya Yang. "Transparent triboelectric nanogenerator-induced high voltage pulsed electric field for a self-powered handheld printer." Nano Energy 44 (February 2018): 468–75. http://dx.doi.org/10.1016/j.nanoen.2017.12.026.

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Chehri, Behnad, Kaiwen Liu, Golnaz Vaseghi, Amir Seyfoori, and Mohsen Akbari. "In Vitro Glioblastoma Model on a Plate for Localized Drug Release Study from a 3D-Printed Drug-Eluted Hydrogel Mesh." Cells 13, no. 4 (2024): 363. http://dx.doi.org/10.3390/cells13040363.

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Glioblastoma multiforme (GBM) is an aggressive type of brain tumor that has limited treatment options. Current standard therapies, including surgery followed by radiotherapy and chemotherapy, are not very effective due to the rapid progression and recurrence of the tumor. Therefore, there is an urgent need for more effective treatments, such as combination therapy and localized drug delivery systems that can reduce systemic side effects. Recently, a handheld printer was developed that can deliver drugs directly to the tumor site. In this study, the feasibility of using this technology for localized co-delivery of temozolomide (TMZ) and deferiprone (DFP) to treat glioblastoma is showcased. A flexible drug-loaded mesh (GlioMesh) loaded with poly (lactic-co-glycolic acid) (PLGA) microparticles is printed, which shows the sustained release of both drugs for up to a month. The effectiveness of the printed drug-eluting mesh in terms of tumor toxicity and invasion inhibition is evaluated using a 3D micro-physiological system on a plate and the formation of GBM tumoroids within the microenvironment. The proposed in vitro model can identify the effective combination doses of TMZ and DFP in a sustained drug delivery platform. Additionally, our approach shows promise in GB therapy by enabling localized delivery of multiple drugs, preventing off-target cytotoxic effects.
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Van, Cuong Nguyen, Anh Le Hoang, Cao Dang Long, and Duy Nguyen Hoang. "Surface Roughness in Metal Material Extrusion 3D Printing: The Influence of Printing Orientation and the Development of a Predictive Model." Engineering, Technology & Applied Science Research 13, no. 5 (2023): 11672–76. http://dx.doi.org/10.48084/etasr.6162.

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This study investigates the influence of printing orientation on the surface roughness in metal material extrusion 3D printing of 17-4 PH stainless steel. Experimental tests were conducted on the Markforged Metal X commercial 3D printer at Vinh Long University of Technology Education, Vietnam. The samples were printed in three different orientations: flat, on-edge, and upright. Surface roughness measurements were performed using a handheld Mitutoyo SJ-210 roughness tester. Quantitative analysis of the surface roughness measurements revealed significant variations among the different printing orientations. The upright orientation exhibited the smoothest surface, with an average Ra value of 7.42 μm and Rz value of 40.49 μm. In contrast, the flat orientation showed the highest roughness, with an average Ra value of 82.83 μm and Rz value of 109.32 μm. The on-edge orientation had intermediate roughness values, with an average Ra value of 69.42 μm and Rz value of 92.17 μm. The study also introduces a novel predictive model for surface roughness based on the printing parameters. The model demonstrated accurate estimations for surface roughness values in specific cases, enabling optimization of the printing process for desired surface quality.
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Kurahashi, Kosuke, Takashi Matsuda, Takaharu Goto, Yuichi Ishida, Teruaki Ito, and Tetsuo Ichikawa. "Duplication of complete dentures using general-purpose handheld optical scanner and 3-dimensional printer: Introduction and clinical considerations." Journal of Prosthodontic Research 61, no. 1 (2017): 81–86. http://dx.doi.org/10.1016/j.jpor.2016.06.002.

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Kamaraj, Meenakshi, Omid Rezayof, Alison Barer, et al. "Development of silk microfiber-reinforced bioink for muscle tissue engineering and in situ printing by a handheld 3D printer." Biomaterials Advances 166 (January 2025): 214057. http://dx.doi.org/10.1016/j.bioadv.2024.214057.

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Dissertations / Theses on the topic "Handheld printer"

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See, Chan H., Raed A. Abd-Alhameed, Neil J. McEwan, Steven M. R. Jones, Rameez Asif, and Peter S. Excell. "Design of a Printed MIMO/Diversity Monopole Antenna for Future Generation Handheld Devices." 2013. http://hdl.handle.net/10454/10785.

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No<br>This article presents a printed crescent-shaped monopole MIMO diversity antenna for wireless communications. The port-to-port isolation is increased by introducing an I-shaped conductor symmetrically between the two antenna elements and shaping the ground plane. Both the computed and experimental results confirm that the antenna possesses a wide impedance bandwidth of 54.5% across 1.6-2.8 GHz, with a reflection coefficient and mutual coupling better than -10 and -14 dB, respectively. By further validating the simulated and the measured radiation and MIMO characteristics including far-field, gain, envelope correlation and channel capacity loss, the results show that the antenna can offer effective MIMO/diversity operation to alleviate multipath environments.
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Book chapters on the topic "Handheld printer"

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Henze, Niels, and Susanne Boll. "Who’s That Girl? Handheld Augmented Reality for Printed Photo Books." In Human-Computer Interaction – INTERACT 2011. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23765-2_10.

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Bajaj, Chandni, Sachin Kumar, Dharmendra Kumar Upadhyay, and Binod Kumar Kanaujia. "Compact Universal UHF Printed Dipole Antenna for Handheld RFID Readers." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2767-7_11.

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Finnegan, Cara A. "Handheld Photography and the Halftone Revolution." In Photographic Presidents. University of Illinois Press, 2021. http://dx.doi.org/10.5622/illinois/9780252043796.003.0005.

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This chapter brings the reader from the daguerreotype era, which ended in the 1850s, up to the end of the nineteenth century. This period included the rise of printed, reproducible photographs like the carte de visite and the stereograph; the introduction of amateur, handheld cameras (and subsequent anxieties about the “camera fiends” using them); and the so-called halftone revolution, which made it possible to print photographs directly in newspapers and magazines. This period is distinguished by the emergence of a new visual value of photography, that of timeliness.
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Elhamraoui, Ahmed, Elhassane Abdelmounim, Hamid Bennis, and Mohamed Latrach. "Printed Antenna for UHF and SHF RFID Applications." In Advances in Computer and Electrical Engineering. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7539-9.ch009.

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In this chapter, new microstrip antennas for RFID system are presented. The chapter is split into two sections. The first section deals with the design of two dual-band antennas for handheld RFID readers, and the second section is dedicated to antennas for RFID tag. In the first section, the authors describe theory and principle characteristics of microstrip antenna and the fundamentals of multiband behavior. The two proposed antennas are designed to operate in the ISM (industrial, scientific, and medical) band at 2.45 and 5.8 GHz bands. In the second section, the authors present the principles of matching techniques for tag antenna design. Then, they present two examples of tag antenna. The first one is a flexible antenna mounted on paper substrate, and the second one is designed for the identification of metallic object.
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Lou, E., D. Nguyen, D. Hill, and J. Raso. "Validation of a novel handheld 3D ultrasound system for imaging scoliosis – phantom study." In Studies in Health Technology and Informatics. IOS Press, 2021. http://dx.doi.org/10.3233/shti210444.

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Use of 3D ultrasound (US) scanners to detect and monitor scoliosis have been validated. The Cobb angle, axial vertebral rotation, spinal flexibility, curvatures in the sagittal profile and the Cobb angle on the plane of maximum curvature (PMC) can be measured from coronal, transverse and sagittal planes of ultrasound images. However, traditional 3D ultrasound scanners are relatively bulky and expensive. 2D US handheld and low-cost scanners are widely available. To adapt the 2D scanners for scoliosis applications, a position and orientation system is integrated with the scanner. The objective of this study was to validate a newly developed 3D handheld US system to image the spine. The wireless handheld US scanner (C3-HD, Clarius, Canada) was selected because of its high resolution and availability of raw data. A wireless tracking system based on electromagnetic (G4 system, Polhemus, USA) was integrated with the Clarius ultrasound. During scanning, the ultrasound information was synchronized with the scanner’s position and orientation by using custom developed software. Both information were streamed wirelessly to a laptop. Custom software reconstructed and displayed the 3D spinal image in real-time. A single 3D printed vertebra, two full plastic spine phantoms from T1-T12 vertebrae and a non-scoliotic volunteer were scanned. The 3D reconstruction process of a spine image was less than 3 seconds. The dimensional and the angle errors were 1 mm and 3°, respectively. This study demonstrated that a low-cost ($11,000 USD) handheld 3D ultrasound system was developed and validated. Clinical trials on subjects attending will be the next step.
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Chitra, Subramanian. "Adopting Green ICT in Business." In Green Technologies. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-472-1.ch501.

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Information Communication Technology (ICT) is playing an increasingly important role in professional and private lives worldwide and is thus also increasingly becoming a significant energy consumer and CO2 emitter. Green IT benefits the environment by improving energy efficiency, lowering greenhouse gas emissions, using less harmful materials, and encouraging reuse and recycling. The explosion of information and communication technology (ICT), including personal computers, servers and data centers, handheld and telephonic devices, and printers, over the past few decades has led to a particular focus on ICT’s environmental impact. Green computing refers to the practice of using computing resources more efficiently while maintaining or increasing overall performance. IT services require the integration of green computing practices such as power management, virtualization, improving cooling technology, recycling, electronic waste disposal, and optimization of the IT infrastructure to meet sustainability requirements.
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Chitra, Subramanian. "Adopting Green ICT in Business." In Handbook of Research on Green ICT. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-834-6.ch047.

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Information Communication Technology (ICT) is playing an increasingly important role in professional and private lives worldwide and is thus also increasingly becoming a significant energy consumer and CO2 emitter. Green IT benefits the environment by improving energy efficiency, lowering greenhouse gas emissions, using less harmful materials, and encouraging reuse and recycling. The explosion of information and communication technology (ICT), including personal computers, servers and data centers, handheld and telephonic devices, and printers, over the past few decades has led to a particular focus on ICT’s environmental impact. Green computing refers to the practice of using computing resources more efficiently while maintaining or increasing overall performance. IT services require the integration of green computing practices such as power management, virtualization, improving cooling technology, recycling, electronic waste disposal, and optimization of the IT infrastructure to meet sustainability requirements.
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Didi, Salah-Eddine, Imane Halkhams, Mohammed Fattah, Younes Balboul, Said Mazer, and Moulhime El Bekkali. "Design of a Handheld Button Antenna With an Operating Frequency of 60 GHz in the 5G Millimeter Brand." In Advances in Computational Intelligence and Robotics. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3775-2.ch024.

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In this chapter, the authors propose to design a patch antenna whose shape corresponds to a wearable button and has an operating frequency of 60 GHz in the 5 G millimeter band. This antenna is printed on a polyamide substrate of relative permittivity εr=4.3, loss tangent σ=0.004, thickness 1.6 mm, and radius 5.2 mm. The button's height is a metal layer of thickness BH=0.1” ” mm and radius 3.2” ” mm(BD=6.4” ” mm), which receives a coaxial feed. This antenna produces the best results in terms of reflection coefficient S11=-36.29” ” dB, a bandwidth of 2.15 GHz, a gain of 11 dB, and a directivity of 10.9dB. The realization of millimeter wave antennas is complicated in particular because of their small dimensions. Portable millimeter wave antennas are little explored in the literature. Therefore, the authors propose this antenna.
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Conference papers on the topic "Handheld printer"

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Pourjafarian, Narjes, Fjolla Mjaku, Marion Koelle, Martin Schmitz, Jan Borchers, and Jürgen Steimle. "Handheld Tools Unleashed: Mixed-Initiative Physical Sketching with a Robotic Printer." In CHI '23: CHI Conference on Human Factors in Computing Systems. ACM, 2023. http://dx.doi.org/10.1145/3544548.3580691.

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Kitazawa, Yuya, and Tomoko Hashida. "Printing System Reflecting User's Intent in Real Time Using a Handheld Printer." In UIST '17: The 30th Annual ACM Symposium on User Interface Software and Technology. ACM, 2017. http://dx.doi.org/10.1145/3131785.3131790.

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Pourjafarian, Narjes, Marion Koelle, Fjolla Mjaku, Paul Strohmeier, and Jürgen Steimle. "Print-A-Sketch: A Handheld Printer for Physical Sketching of Circuits and Sensors on Everyday Surfaces." In CHI '22: CHI Conference on Human Factors in Computing Systems. ACM, 2022. http://dx.doi.org/10.1145/3491102.3502074.

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Hennessey, Michael P., Alex J. Beaulier, and Cheri Shakiban. "Modeling and 3D Printing of Ruled Surfaces." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46494.

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Ruled surfaces play an important role in disciplines such as applied mathematics, mechanical engineering, and architecture. We present a general methodology for creating handheld-sized 3D printed models of such surfaces, which can be useful for educational, research, and design purposes. The process begins with a mathematical description of the surface, either by means of establishing a series of line segment endpoint coordinates followed by a “connect the dots” approach or continuously sweeping a portion of a line throughout 3D space using a time-varying homogeneous transformation, thereby defining an array of line segments on the surface. Next, MATLAB is used to numerically generate the endpoint coordinates which are imported into SolidWorks via Excel and employs a custom macro to permit graphical display of the line segments in a part file. The array of line segments is then stitched together “manually” into a surface, thickened into a part, and printed out in plastic using a 3D printer. The methodology is illustrated for some simple surfaces in addition to several well-known exotic surfaces that have an architectural theme to them. Specifically, we showcase Antoni Gaudi’s conoids and elliptic hyperboloids from La Sagrada Familia, in addition to a twisted circular drum arch and a Solomonic column, both of which are seen in southern European architecture, in particular they are present at either the Museum of Cycladic Art in Athens or at The Vatican (includes museum). In summary, the work presented should be of general interest to the 3D printing, ruled surface, and architecture communities.
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Ozcan, Arif, Emine Arman Kandirmaz, and Serdem Coskun. "Investigation of the effect of speed and pressure on conductivity in inkjet printed electronic devices." In 11th International Symposium on Graphic Engineering and Design. University of Novi Sad, Faculty of technical sciences, Department of graphic engineering and design, 2022. http://dx.doi.org/10.24867/grid-2022-p43.

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We can define printed electronics as the application of printing on a material by means of semiconductor, dielectric and electronic components. This process basically takes place by adding materials that will provide conductivity properties into the printing inks. In addition to printing with traditional printing systems, drop-on demand inkjet printing provides an important advantage in this field thanks to its non-contact and digital patterning capabilities. Therefore, the demand for inkjet printing printable inks based on high-performance electronics is also increasing to expand the scope of possible applications for printed electronics. In recent years, inkjet printing technology has become more and more popular due to its use in various applications such as photovoltaic cells, light-emitting diodes (LED), organic thin-thin transistors, displays, radio frequency identification devices (RFID), smart clothing and sensors. For these applications, the unique feature of inkjet printing technology is that it can print on a wide range of materials and is a digital, contactless and plateless system. We can count other advantages of this technology as low cost and savings from waste. These properties make the inkjet printing technique particularly suitable for printing conductive patterns on a variety of flexible substrates in the manufacture of electronic circuits or devices. The electrical conductivity on the printed material may vary depending on the substrate, printing speed and pressure. For this purpose, a specially prepared test scale with lines of different thicknesses was printed on the polyethylene film material with BENTSAI BT-HH6105B1 Portable Handheld Mobile inkjet printing machine. The effect of machine speed and pressure values on conductivity was observed in the prints made with silver-based conductive inks. As a result, it was concluded that the conductivity value increased as the printing pressure increased at constant speed, and on the other hand, the conductivity value increased as the printing speed decreased when the pressure was fixed.
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Abdelgwad, Ahmad H., and Mohammod Ali. "Printed Dipole MIMO Antenna for Wireless Handheld Terminals." In 2020 14th European Conference on Antennas and Propagation (EuCAP). IEEE, 2020. http://dx.doi.org/10.23919/eucap48036.2020.9135611.

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Abdelgwad, Ahmad H., and Mohammod Ali. "Frequency/Pattern Reconfigurable Printed Monopole MIMO Antenna for Handheld Devices." In 2021 15th European Conference on Antennas and Propagation (EuCAP). IEEE, 2021. http://dx.doi.org/10.23919/eucap51087.2021.9411487.

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Ozcan, Arif, Serdem Coskun, and Emine Arman Kandirmaz. "ENVIRONMENTALLY FRIENDLY WATER-BASED INKJET INK PRODUCTION AND DETERMINING PRINTABILITY." In INTERNATIONAL SYMPOSIUM ON GRAPHIC ENGINEERING AND DESIGN. UNIVERSITY OF NOVI SAD FACULTY OF TECHNICAL SCIENCES DEPARTMENT OF GRAPHIC ENGINEERING AND DESIGN 21000 Novi Sad, Trg Dositeja Obradovića 6, 2024. http://dx.doi.org/10.24867/grid-2024-p12.

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Inkjet printing system, one of the digital printing systems, has a more widespread market day by day due to its low operating costs and allowing variable data printing. Bio-based inks, in which natural polymers are used and whose solvent is water, are attracting more and more attention both in the food industry and other industries, in order to reduce the decrease in oil resources and possible harm to environmental and human health. Polymers that can be used in naturally sourced inks include cellulose, starch, polylactic acid, polyvinyl alcohol, and cellulose derivatives. In this study, water-based ink was prepared with magenta pigment as a colorant and hydroxyethyl cellulose, a natural polymer as a binder, and printed with thermal inkjet, and its printability properties were examined. For this purpose, the study started with the preparation of ink. In ink production, first, a binder was prepared with hydroxyethyl cellulose and water. 6.5% magenta pigment was added into the prepared binder. The viscosity of the ink was adjusted to 9 cP using pure water. Since the colorant used is water-soluble, there is no need for a surfactant. Surface tension was adjusted to 31 mN/m with 3 drops of BYK 348. Test prints were made with the obtained ink using the BENTSAI BT-HH6105B1 Portable Handheld Mobile inkjet printing machine. The most stable prints were obtained at 1 m/s speed, 300 dpi resolution and 11 volt printing parameters. The color measurements of the obtained prints were measured with an X-Rite spectrophotometer and their gloss was measured BYK Gardner gloss meter. As a result, it was determined that stable ink with good printability parameters was produced in thermal inkjet
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Wang, Wei-Hsu, Chien-Wen Chiu, David C. Ni, and Yung-Rung Chung. "A Low Profile Printed Quadrifilar Helical Antenna for Handheld UHF RFID Reader." In ICISPC 2017: 2017 International Conference on Imaging, Signal Processing and Communication. ACM, 2017. http://dx.doi.org/10.1145/3132300.3132301.

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Yuan-Chih Lin, Wen-Shyang Chen, Fa-Shian Chang, and W. Lo. "End-shorted printed monopole antenna EM compatible with nearby metal plate for handheld application." In 2008 Asia Pacific Microwave Conference. IEEE, 2008. http://dx.doi.org/10.1109/apmc.2008.4958579.

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