Optimization of UV LED-Curable Ink for Reverse-Offset Roll-to-Plate (RO-R2P) Printing

Mendoza, Kayna Lee; Ortega, Ada; Kim, Nam Soo

doi:10.1007/s11664-014-3506-6

Cited by 13 publications

(6 citation statements)

References 16 publications

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“…To realize such highly conductive electrodes, reverse offset printing is used in this work. Electrodes printed by reverse offset roll-to-plate printing technique have the promising characteristics of high resolution, low resistivity, high quality surface, simplicity, and ease of fabrication to realize an accurate and precise pattern44. It is a direct printing method that can print electrodes with pattern size <1 um unlike its other competitive direct printing techniques such as screen printing, flexographic printing, gravure printing and inkjet printing.…”

Section: Methodsmentioning

confidence: 99%

Resistive Switching in All-Printed, Flexible and Hybrid MoS2-PVA Nanocomposite based Memristive Device Fabricated by Reverse Offset

Rehman

Siddiqui

Gul

et al. 2016

Sci Rep

134

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Owing to the increasing interest in the nonvolatile memory devices, resistive switching based on hybrid nanocomposite of a 2D material, molybdenum disulphide (MoS2) and polyvinyl alcohol (PVA) is explored in this work. As a proof of concept, we have demonstrated the fabrication of a memory device with the configuration of PET/Ag/MoS2-PVA/Ag via an all printed, hybrid, and state of the art fabrication approach. Bottom Ag electrodes, active layer of hybrid MoS2-PVA nanocomposite and top Ag electrode are deposited by reverse offset, electrohydrodynamic (EHD) atomization and electrohydrodynamic (EHD) patterning respectively. The fabricated device displayed characteristic bistable, nonvolatile and rewritable resistive switching behavior at a low operating voltage. A decent off/on ratio, high retention time, and large endurance of 1.28 × 102, 105 sec and 1000 voltage sweeps were recorded respectively. Double logarithmic curve satisfy the trap controlled space charge limited current (TCSCLC) model in high resistance state (HRS) and ohmic model in low resistance state (LRS). Bendability test at various bending diameters (50-2 mm) for 1500 cycles was carried out to show the mechanical robustness of fabricated device.

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Section: Methodsmentioning

confidence: 99%

Resistive Switching in All-Printed, Flexible and Hybrid MoS2-PVA Nanocomposite based Memristive Device Fabricated by Reverse Offset

Rehman

Siddiqui

Gul

et al. 2016

Sci Rep

134

View full text Add to dashboard Cite

show abstract

“…Later, a roll-to-roll method that processes UV material between rollers was attempted. However, despite it being the most suitable printing method in the nail art industry at the time, in that accurate shapes could be fabricated quickly, it had a serious deficit in that it was incapable of printing more than a single color at a time [8]. The driving force behind the growth in traditional nail art to its current level was not due to technological progress.…”

Section: Three-dimensional Nail Art Printing Equipment Implementationmentioning

confidence: 99%

The convergence of three-dimensional printing and nail-art technology

Kim

Jihye

Han³

2019

J Cosmet Med

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Background:With the convergence of internet of things (IoT) and artificial intelligence (AI) technologies with three-dimensional (3D) printing or additive manufacturing, the applications have extended to beauty arts and cosmetics.Objective: The purpose of this research is to confirm the possibility of the convergence of IoT and AI 3D printing technology for cosmetics and beauty art for the 21st century.Methods: From January to October 2019, experienced 3D designers and customers were isolated, and more than 1,000 patterns were verified. Ultraviolet light-emitting diod (UV-LED) technology with built-in patented devices operating on a limited basis was used, and processes using low energies of 3 watts or less were applied. To control the 3D shape of the material, 3D printing technology with the z-axis at a height of 50 microns was applied to the shape to obtain a length of more than 3 cm. Completed products realized via custom design and manufacturing processes were delivered to the customers who installed them on their own. Results:More than 1,000 patterns were successfully printed through Wi-Fi from all over the world for AI-recommended nail art and tattoos. The stability of the IoT has confirmed the quality of 3D printed nails and two-dimensional (2D) tattoos. Moreover, customers are not exposed harmful environments associated with tattoos and 3D nail art. Conclusion:Application of 3D printing technology to the traditional nail art industry allows for the creation of sophisticated and customized shapes in a short period of time with a precision control of less than 50 microns in various colored 3D structures on artificial nail tips. This successful result of the convergence of AI and IoT 3D printing technology in the field of nail art and tattoos is expected to apply further to the fields of cosmetology, makeup, plastic surgery, and art.

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“…In this study, printing technology using the untact concept has been applied to and demonstrated in the field of nail art. Since the introduction of the first remote 3D nail printing technology, many experiments have been conducted and controlled online between Korea and the United States, and the untact IoT technology is currently in the commercialization stage [20][21][22][23]. It is crucial to examine and develop healthy and stable inks suitable for such applications.…”

Section: Introductionmentioning

confidence: 99%

Non-permanent tattoo application of internet of things three-dimensional printer for beauty-art

et al. 2021

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Background: The emphasis on non-face-to-face or untact operation services is on the rise due to the ongoing widespread of COVID-19 epidemics, which have caused severe damage worldwide. Untact technology has been applied not only to everyday life but also to the beauty art industry that relies on customer service with contact.Objective: A safe non-permanent tattoo ink is necessary to overcome the stigma of permanent tattoos and tattoo removal procedures. The purpose of this study is to efficiently deliver non-permanent tattoo ink into the skin through sophisticated untact printing techniques and safe silver compound ink, further minimizing the side effects due to unsanitary conditions. Methods: Silver-gelatin compound ink serves as an excellent alternative for conventional permanent tattoos with additives. Pistontype extruder (PTE) system and internet of things (IoT) integrated precision-controlled non-permanent and untact system using silver nanoparticle ink.Results: Complex and sophisticated designs were three-dimensional (3D) printed using a non-permanent tattoo ink containing an optimum concentration of Ag + under 5 N compression force through a 100 µm radius nozzle and diffused up to 200 µm into the stratum corneum through skin contact. Intradermal diffusion simulation and disappearance of the ink within two weeks of the human skin replacement cycle were successfully demonstrated. Conclusion:The integration of IoT and 3D printers has enabled a hygienic untact tattoo printing technique that has been verified through repeated testing. This study could arouse positive possibilities and interests in the rapidly changing beauty art fields. It provides a new tattoo methodology and further research ideas for the 3D printing applications in tattoo production.

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Optimization of UV LED-Curable Ink for Reverse-Offset Roll-to-Plate (RO-R2P) Printing

Cited by 13 publications

References 16 publications

Resistive Switching in All-Printed, Flexible and Hybrid MoS2-PVA Nanocomposite based Memristive Device Fabricated by Reverse Offset

Resistive Switching in All-Printed, Flexible and Hybrid MoS2-PVA Nanocomposite based Memristive Device Fabricated by Reverse Offset

The convergence of three-dimensional printing and nail-art technology

Non-permanent tattoo application of internet of things three-dimensional printer for beauty-art

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