Relevant bibliographies by topics / Roll-to-Roll Manufacturing Process

Academic literature on the topic 'Roll-to-Roll Manufacturing Process'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Roll-to-Roll Manufacturing Process"

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Lazarus, Nathan, and Gabriel L. Smith. "Laser Folding in a Roll-to-Roll Manufacturing Process." Lasers in Manufacturing and Materials Processing 5, no. 3 (July 7, 2018): 237–47. http://dx.doi.org/10.1007/s40516-018-0064-4.

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2

Kodihalli Shivaprakash, Nischay, Jinde Zhang, Artee Panwar, Carol Barry, Quoc Truong, and Joey Mead. "Continuous manufacturing of reentrant structures via roll-to-roll process." Journal of Applied Polymer Science 136, no. 1 (September 23, 2018): 46980. http://dx.doi.org/10.1002/app.46980.

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3

Wang, Xiaojia, HongMei Zang, and Peter Li. "48.5: Roll-to-Roll Manufacturing Process for Full Color Electrophoretic Film." SID Symposium Digest of Technical Papers 37, no. 1 (2006): 1587. http://dx.doi.org/10.1889/1.2433301.

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4

Wang, Dongxiang, Jacqueline Hauptmann, and Christian May. "OLED Manufacturing on Flexible Substrates Towards Roll-to-Roll." MRS Advances 4, no. 24 (2019): 1367–75. http://dx.doi.org/10.1557/adv.2019.62.

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ABSTRACTLarge area lighting OLEDs manufactured in a Roll-to-Roll (R2R) fashion enable the well-longed production capability with considerably high throughput based on flexible substrates, hence largely reduced OLED manufacturing cost. This paper will outline the present status of R2R OLED fabrication on ultra-thin glass with the focus on transparent OLED devices and how to perform segmentation by printing of silver- and dielectric pastes. Ultra-thin glass (UTG) is laminated on a PET film to avoid fabrication interruptions when glass cracks occur during the Roll-to-Roll process. The R2R fabricated flexible OLEDs also show key-values comparable to conventional OLEDs fabricated on small rigid glass in lab-scale.
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Yu, Dan, Dirk Beckelmann, Michael Opsölder, Bruno Schäfer, Karsten Moh, René Hensel, Peter de Oliveira, and Eduard Arzt. "Roll-to-Roll Manufacturing of Micropatterned Adhesives by Template Compression." Materials 12, no. 1 (December 29, 2018): 97. http://dx.doi.org/10.3390/ma12010097.

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For the next generation of handling systems, reversible adhesion enabled by micropatterned dry adhesives exhibits high potential. The versatility of polymeric micropatterns in handling objects made from various materials has been demonstrated by several groups. However, specimens reported in most studies have been restricted to the laboratory scale. Upscaling the size and quantity of micropatterned adhesives is the next step to enable successful technology transfer. Towards this aim, we introduce a continuous roll-to-roll replication process for fabrication of high-performance, mushroom-shaped micropatterned dry adhesives. The micropatterns were made from UV-curable polyurethane acrylates. To ensure the integrity of the complex structure during the fabrication process, flexible templates were used. The compression between the template and the wet prepolymer coating was investigated to optimize replication results without structural failures, and hence, to improve adhesion. As a result, we obtained micropatterned adhesive tapes, 10 cm in width and several meters in length, with adhesion strength about 250 kPa to glass, suitable for a wide range of applications.
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Tahir, Usama, Jin Il Kim, Shama Javeed, Amin Khaliq, Jun-Hyun Kim, Doo-In Kim, and Myung Yung Jeong. "Process Optimization for Manufacturing Functional Nanosurfaces by Roll-to-Roll Nanoimprint Lithography." Nanomaterials 12, no. 3 (January 29, 2022): 480. http://dx.doi.org/10.3390/nano12030480.

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Roll-to-roll nanoimprint lithography (RTR-NIL) is a low-cost and continuous fabrication process for large-area functional films. However, the partial ultraviolet (UV) resin filling obstructs the ongoing production process. This study incorporates UV resin filling process into the nanopillars and nanopores by using RTR-NIL. A multiphase numerical model with a sliding mesh method is proposed in this study to show the actual phenomena of imprint mold rotation and feeding of UV resin on the polyethylene terephthalate (PET) substrate. The implementation of UV resin filling under environmental conditions was performed by utilizing the open-channel (OC) boundary conditions. The numerical model was solved by using the explicit volume of fluid (VOF) scheme to compute the filling on each node of the computational domain. The effects of different processing parameters were investigated through the proposed numerical model such as imprinting speed (IS), contact angles (CAs), viscosity, initial thickness of the PET, and supporting roll diameter. A good agreement was found between numerical simulations and experimental results. The proposed numerical model gives better insights of the filling process for the mass production of functional surfaces with nanopillars and nanopores patterns for different applications on an industrial scale.
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Jo, Minho, Jongsu Lee, Seongyong Kim, Gyoujin Cho, Taik-Min Lee, and Changwoo Lee. "Web Unevenness Due to Thermal Deformation in the Roll-to-Roll Manufacturing Process." Applied Sciences 10, no. 23 (December 2, 2020): 8636. http://dx.doi.org/10.3390/app10238636.

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In roll-to-roll (R2R) processing, web uniformity is a crucial factor that can guarantee high coating quality. To understand web defects due to thermal deformation, we analyzed the effect of web unevenness on the coating quality of an yttria-stabilized zirconia (YSZ) layer, a brittle electrolyte of solid oxide fuel cells (SOFCs). We used finite-element analysis to study thermal and mechanical deformations at different drying temperature levels. A YSZ layer was also coated using R2R slot-die coating to observe the effect of web unevenness on coating quality. Web unevenness was generated by thermal deformation due to conduction and convection heat from the dryer. Because of varying web unevenness with time, the YSZ layer developed cracks. At higher drying temperatures, more coating defects with larger widths were generated. Results indicated that web unevenness at the coating section led to coating defects that could damage the SOFCs and decrease yield in the R2R process. Coating defects generated by web unevenness caused by convection and conduction heat should be considered in the high-volume production of brittle electrolytes using the R2R process.
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Smolka, Martin, Stephan Ruttloff, Dieter Nees, Christine Prietl, Valentin Satzinger, Bernhard Lamprecht, Philipp Hütter, et al. "High Throughput Roll-to-Roll Production of Microfluidic Chips." Proceedings 2, no. 13 (December 4, 2018): 1054. http://dx.doi.org/10.3390/proceedings2131054.

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A high throughput manufacturing process of microfluidic chips based on Roll-to-Roll imprinting is presented. With this procedure, microfluidic patterns can be produced on large area polymer substrates. The subsequent steps of inlet drilling, bonding and electrode printing are set-up on large area processes, too. Overall, this strategy allows highly parallelized processing of large numbers of chips—all costly steps of individual chip handling are avoided. The chips were used for the characterization of inorganic ions for soil nutrient analysis.
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Wang, Min-Wen, Wei-Chuang Lin, and Ming-Hsiao Lee. "Fabrication of flexible microlens array film using roll-to-roll process." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 227, no. 4 (April 2013): 543–50. http://dx.doi.org/10.1177/0954405413475940.

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Lee, Jongsu, Junhyeon Byeon, and Changwoo Lee. "Theories and Control Technologies for Web Handling in the Roll-to-Roll Manufacturing Process." International Journal of Precision Engineering and Manufacturing-Green Technology 7, no. 2 (January 4, 2020): 525–44. http://dx.doi.org/10.1007/s40684-019-00185-3.

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Dissertations / Theses on the topic "Roll-to-Roll Manufacturing Process"

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Kojimoto, Nigel Costello. "Ultrasonic inspection methods for defect detection and process control in roll-to-roll flexible electronics manufacturing." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101811.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 97-100).
Roll-to-roll flexible electronics manufacturing technologies require new sensing and measurement capabilities for defect detection and process control. This body of work investigates the use of ultrasound, specifically Lamb and longitudinal waves, as a sensing modality and measurement technique for thin film roll-to-roll manufacturing. A variety of custom wedges were designed and machined from multiple materials to test their suitability at launching ultrasonic Lamb waves along Polyethylene Terephthalate (PET) film. Using hydrogel wedges, the fundamental antisymmetric (Ao) Lamb wave mode was successfully propagated a distance of 2 cm. ABS wedges were found to initiate longitudinal waves, which were detected at a distance of 5 cm. InstronTM based extension-tensile experiments revealed that the longitudinal wave is affected by tension in the PET, exhibited by a general increase in attenuation and a decrease in wave speed during plastic deformation; such variation may have process control applications.
by Nigel Costello Kojimoto.
S.M.
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2

Souihi, Nabil. "Multivariate Synergies in Pharmaceutical Roll Compaction : The quality influence of raw materials and process parameters by design of experiments." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-96441.

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Roll compaction is a continuous process commonly used in the pharmaceutical industry for dry granulation of moisture and heat sensitive powder blends. It is intended to increase bulk density and improve flowability. Roll compaction is a complex process that depends on many factors, such as feed powder properties, processing conditions and system layout. Some of the variability in the process remains unexplained. Accordingly, modeling tools are needed to understand the properties and the interrelations between raw materials, process parameters and the quality of the product. It is important to look at the whole manufacturing chain from raw materials to tablet properties. The main objective of this thesis was to investigate the impact of raw materials, process parameters and system design variations on the quality of intermediate and final roll compaction products, as well as their interrelations. In order to do so, we have conducted a series of systematic experimental studies and utilized chemometric tools, such as design of experiments, latent variable models (i.e. PCA, OPLS and O2PLS) as well as mechanistic models based on the rolling theory of granular solids developed by Johanson (1965). More specifically, we have developed a modeling approach to elucidate the influence of different brittle filler qualities of mannitol and dicalcium phosphate and their physical properties (i.e. flowability, particle size and compactability) on intermediate and final product quality. This approach allows the possibility of introducing new fillers without additional experiments, provided that they are within the previously mapped design space. Additionally, this approach is generic and could be extended beyond fillers. Furthermore, in contrast to many other materials, the results revealed that some qualities of the investigated fillers demonstrated improved compactability following roll compaction. In one study, we identified the design space for a roll compaction process using a risk-based approach. The influence of process parameters (i.e. roll force, roll speed, roll gap and milling screen size) on different ribbon, granule and tablet properties was evaluated. In another study, we demonstrated the significant added value of the combination of near-infrared chemical imaging, texture analysis and multivariate methods in the quality assessment of the intermediate and final roll compaction products. Finally, we have also studied the roll compaction of an intermediate drug load formulation at different scales and using roll compactors with different feed screw mechanisms (i.e. horizontal and vertical). The horizontal feed screw roll compactor was also equipped with an instrumented roll technology allowing the measurement of normal stress on ribbon. Ribbon porosity was primarily found to be a function of normal stress, exhibiting a quadratic relationship. A similar quadratic relationship was also observed between roll force and ribbon porosity of the vertically fed roll compactor. A combination of design of experiments, latent variable and mechanistic models led to a better understanding of the critical process parameters and showed that scale up/transfer between equipment is feasible.
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Siegel, Frank. "Tiefdruckverfahren zur Herstellung von Katalysatorschichten für (PEM) Brennstoffzellen." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-203816.

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Diese Dissertation befasst sich mit der industrienahen Herstellung von Katalysatorschichten für Polymer-Elektrolyt-Membran-Brennstoffzellen mit Hilfe des Tiefdrucks als Fertigungsverfahren. Um die Anforderungen an die Katalysatorschicht hinsichtlich der Schichtdicke zu erreichen, wird ein Linienraster für den Tiefdruck entwickelt. Das patentierte und verifizierte Designkonzept des Linienrasters ermöglicht es, trotz Tinten mit geringem Feststoffgehalt hohe Trockenschichtdicken zu erzeugen. Aufgrund des verwendeten Tiefdruckrasters sind Optimierungsschritte an der Fertigungsanlage notwendig, um eine hohe Schichtqualität zu erreichen. Schließlich werden kontinuierlich und industrienah Katalysatorschichten gefertigt, die als Membran-Elektroden-Einheit in einer Polymer-Elektrolyt-Membran-Brennstoffzelle erfolgreich eingesetzt werden
This work presents an industrial close manufacturing process of active electrodes for Polymer Electrolyte Fuel Cells utilizing an adapted gravure printing process. To meet the requirements of the electrodes regarding the layer thickness (weight) and quality a novel line screen with maximized dipping volume for gravure printing was developed and investigated. A design rule for this kind of screens was realized and verified by a successful manufacturing of electrodes with different dried layer thicknesses. Due to the rough structure and the high dipping volumes of these line screens an adaption and optimization of the machinery and the whole process was necessary to achieve high quality electrodes. Finally, it is shown that it is possible to manufacture continuiously in an industrial close roll-to-roll process platinum loaded electrodes, working successful as cathode in a Membran-Electrode-Assembly
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Chen, Ching-Yao, and 陳靜瑤. "Standardizing the Operating Process for Roll to Roll Manufacturing Control Plan." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/09850809442873814816.

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碩士
中原大學
工業與系統工程研究所
102
Industrial market is under drastic competition nowadays, to ensure continuous competition advantages; enterprises need to not only focus developing new products but understanding the importance of lower manufacture costs. Follow by modernized industrial trends, rapid and persistent production is becoming the trend of manufacture in the future. However, in addition to promote efficiency, reduce errors from happening and improve quality are important. In order to produce steadily and continuously, establishing effective operations process standardization and giving control of each production flow will promote productivity manufacturers, also accord with the demands of costs and quality for clients, and create a win-win situation. This study is going to integrate Lean Production System and Standardization in order to improve production cycle-BCDSA; prove practicability and rationality of this study through roll to roll industries, audit internal and examine to continuous improve and look forward to applying in roll to roll industries.
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Gullapalli, Amulya. "DEVELOPMENT OF INFRARED AND TERAHERTZ BOLOMETERS BASED ON PALLADIUM AND CARBON NANOTUBES USING ROLL TO ROLL PROCESS." 2015. https://scholarworks.umass.edu/masters_theses_2/150.

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Terahertz region in the electromagnetic spectrum is the region between Infrared and Microwave. As the Terahertz region has both wave and particle nature, it is difficult to make a room temperature, fast, and sensitive detector in this region. In this work, we fabricated a Palladium based IR detector and a CNT based THz bolometer. In Chapter 1, I give a brief introduction of the Terahertz region, the detectors already available in the market and different techniques I can use to test my detector. In Chapter 2, I explain about the Palladium IR bolometer, the fabrication technique I have used, and then we discuss the performance of the detector. In Chapter 3, I explained about the Roll to Roll based THz bolometer, its working and fabrication techniques, and at the end we discussed its performance.
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WANG, LIEN-JEN, and 王連任. "Study on Preparation and Manufacturing Process of UV curing Formulation of High Performance Hard Coatings by way of Roll-to-Roll Precision Printing and Coating Technology." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/p753kr.

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碩士
世新大學
圖文傳播暨數位出版學研究所(含碩專班)
107
Taiwan’s printing industry has made great progress in the green manufacturing process reform in recent years, especially in the Roll to Roll light-weighting technology. As a tendency of heavy demands by both Thinning and high production capacity for film coating, to increase the efficiency of film surface with scratch resistance by utilizing the UV curing technology thus becomes significant importance. Nevertheless, operating the thin and high hardness coating material in a narrow space easily lead to the film of surface damages cause in poor coating process or poor coating flatness. For that reason, the film mechanical properties turn out to be the significantly designing parameters when obtaining optimum coating performance. For the coated or printed substrate, SKC SH88H PET optical film is selected for SKC Jiangsu High Tech Plastics Co., Ltd., TORAY UY42 PET optical film for TORAY Yihua TORAY Polyester Film Co., Ltd., (YTP) and SHINKONG C879 Optical Film for Shinkong Materials Technology Co., Ltd., a subsidiary of Shinkong synthetic fibers CORP., and Nan Ya CH995Y optical film are PET products produced by Nan Ya Plastics Corporation. All films of thickness are 100μm and the surfaces are pre-coated with Primer. This thesis refers to pencil hardness test method combined with abrasion resistance and so on integrates full spectrum transmittance test with UV curing synthetic composition and micro gravure coating with non-contact drying technology, so as to obtain high price-performance Ratio. When the physical properties and mechanical behaviors of the plastic materials as well as planning of process integration are profoundly understood and correctly chosen at the beginning of designing the hard coating structure, it is also to prevent the occurrence of poor coating process and poor coating flatness. The purpose of the research is to use of green coating materials without VOCs. All materials do not affect the basic principles of environment and health. Hope on the process and products can meet the green products of the green industry.
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7

Siegel, Frank. "Tiefdruckverfahren zur Herstellung von Katalysatorschichten für (PEM) Brennstoffzellen." Doctoral thesis, 2014. https://monarch.qucosa.de/id/qucosa%3A20464.

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Diese Dissertation befasst sich mit der industrienahen Herstellung von Katalysatorschichten für Polymer-Elektrolyt-Membran-Brennstoffzellen mit Hilfe des Tiefdrucks als Fertigungsverfahren. Um die Anforderungen an die Katalysatorschicht hinsichtlich der Schichtdicke zu erreichen, wird ein Linienraster für den Tiefdruck entwickelt. Das patentierte und verifizierte Designkonzept des Linienrasters ermöglicht es, trotz Tinten mit geringem Feststoffgehalt hohe Trockenschichtdicken zu erzeugen. Aufgrund des verwendeten Tiefdruckrasters sind Optimierungsschritte an der Fertigungsanlage notwendig, um eine hohe Schichtqualität zu erreichen. Schließlich werden kontinuierlich und industrienah Katalysatorschichten gefertigt, die als Membran-Elektroden-Einheit in einer Polymer-Elektrolyt-Membran-Brennstoffzelle erfolgreich eingesetzt werden.
This work presents an industrial close manufacturing process of active electrodes for Polymer Electrolyte Fuel Cells utilizing an adapted gravure printing process. To meet the requirements of the electrodes regarding the layer thickness (weight) and quality a novel line screen with maximized dipping volume for gravure printing was developed and investigated. A design rule for this kind of screens was realized and verified by a successful manufacturing of electrodes with different dried layer thicknesses. Due to the rough structure and the high dipping volumes of these line screens an adaption and optimization of the machinery and the whole process was necessary to achieve high quality electrodes. Finally, it is shown that it is possible to manufacture continuiously in an industrial close roll-to-roll process platinum loaded electrodes, working successful as cathode in a Membran-Electrode-Assembly.
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Books on the topic "Roll-to-Roll Manufacturing Process"

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Ellison, T. Efficiency and throughput advances in continuous roll-to-roll a-Si alloy PV manufacturing technology. Golden, CO: National Renewable Energy Laboratory, 2000.

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Greener, Jehuda, Glen Pearson, and Miko Cakmak. Roll-To-Roll Manufacturing: Process Elements and Recent Advances. Wiley & Sons, Incorporated, John, 2018.

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Greener, Jehuda, Glen Pearson, and Miko Cakmak. Roll-To-Roll Manufacturing: Process Elements and Recent Advances. Wiley & Sons, Incorporated, John, 2018.

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Roll-to-Roll Manufacturing: Process Elements and Recent Advances. Wiley, 2018.

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Greener, Jehuda, Glen Pearson, and Miko Cakmak. Roll-To-Roll Manufacturing: Process Elements and Recent Advances. Wiley & Sons, Limited, John, 2018.

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Sana, Ashish Kumar, Bappaditya Biswas, Samyabrata Das, and Sandeep Poddar. Sustainable Strategies for Economic Growth and Decent Work: New Normal. Lincoln University College, Malaysia, 2022. http://dx.doi.org/10.31674/book.2022sseg.

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Almost every country throughout the globe has been affected by the Covid-19 pandemic. The virus's propagation has a disastrous effect on both human health and the economy as a whole. The COVID-19 global recession is the worst since World War II ended. According to the IMF's April 2021 World Economic Outlook Report, the global economy declined by 3.5 percent in 2020, 7 percent drop from the 3.4 percent growth predicted in October 2019. While almost every IMF-covered nation saw negative growth in 2020, the decline was more extreme in the world's poorest regions. The global supply system and international trade of all countries, including India, were affected by the nationwide lockdown in India and around the world to stop the pandemic from spreading. Since the beginning of 2020, the Covid-19 pandemic has had a negative impact on the global business climate. The COVID-19 pandemic has resulted in significant public health and economic problems in South Asian countries and the worst impacted being India, Bangladesh and Pakistan in recent years. The nationwide lockdown adopted by the countries was effective in slowing down the spread of the coronavirus in South Asia, but it came at a substantial financial and social cost to society. Manufacturing activities in Japan, South Korea, Indonesia, Vietnam, and the Philippines have shrunk sharply. Tourism, trade and remittances, and all major sources of foreign money for South Asian countries, have been substantially impacted. The COVID-19 spread has had a significant influence on global financial markets. The international financial and energy markets substantially dropped as the number of cases began to rise globally, primarily in the United States, Italy, Spain, Germany, France, Iran, and South Korea along with South Asian countries. Reduced travel has had a substantial impact on service businesses such as tourism, hospitality, and transportation. According to IMF, (space required after,) 2020 South Asian economies are likely to shrink for the first time in 4 decades. The pandemic has pushed millions into poverty and widened income and wealth disparities because of premature deaths, workplace absenteeism and productivity losses. A negative supply shock has occurred with manufacturing and productive activity decreasing due to global supply chain disruptions and factory closures. This resulted in a severe short-term challenge for policymakers, especially when food and commodity prices rise, exacerbating economic insecurity. Failure to achieve equitable recovery might result in social and political unrest, as well as harsh responses from governments that have been less tolerant of dissident voices in recent years. Almost every area of the Indian economy is being ravaged by the pandemic. But the scope and degree of the damage vary from sector to sector within each area. One of the worst-affected areas in India is the Micro, Small, and Medium Enterprises (MSMEs) sector. Apart from MSMEs, Agriculture and Agro-based industries, Banking companies and NBFCs and Social Sectors are also in jeopardy. The pandemic creates turmoil in the Capital Market and Mutual Funds industry. India's auto manufacturing and its ancillary sectors were badly hit during the initial stages of the pandemic when lockdown measures were adopted and the situation continued to remain subdued for many quarters. It is still uncertain whether this recession will have long-term structural ramifications for the global economy or will have only short-term financial and economic consequences. Additionally, the speed and the strength of the healing may be crucially dependent on the capability of the governments to accumulate and roll out the COVID-19 vaccines. In the context of the pandemic and its devastating impact on the Indian economy, an edited volume is proposed which intends to identify and analyse the footfalls of the pandemic on various sectors and industries in India. The proposed edited volume endeavours to understand the status, impact, problems, policies and prospects of the agricultural and agro-based industries, Banking and NBFCs, MSMEs, Social Sector, Capital Market and Mutual Funds during the pandemic and beyond. The proposed volume will contain research papers/articles covering the overall impact of the pandemic on various sectors, measures to be adopted to combat the situation and suggestions for overcoming the hurdles. For this, research papers and articles will be called from academicians, research scholars and industrialists having common research interests to share their insights relating to this area. It is anticipated that the volume will include twenty to twenty-five chapters. An editorial committee will be constituted with three chief editors and another external editor to review the articles following a double-blind review process to assure the quality of the papers according to the global standards and publisher's guidelines. The expected time to complete the entire review process is one month, and the publication process will start thereafter. The proposed volume is believed to be having significant socio-economic implications and is intended to cater to a large audience which includes academicians, researchers, students, corporates, policymakers, investors and general readers at large.
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Book chapters on the topic "Roll-to-Roll Manufacturing Process"

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Nguyen, Van Bac, and Martin English. "New Manufacturing Process and Product Developments in Metal Forming Industry Using Finite Element Modelling and Optimization Techniques." In Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210010.

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The objective of this paper is to outline a practical approach using numerical modelling and optimization techniques for process and product developments in metal cold rolled forming industry. The optimum economic viability in manufacturing industry requires a minimization of the amount of material used while the structural performance of a cold roll formed product relies on maintaining the stiffness and strength of the section in applications. This leads to the development of new cold forming processes and alternative cold roll formed profiles searching for the optimal profile. In this paper, a Finite Element modelling approach was utilized to simulating complicated manufacturing process and products and optimization techniques including Design Of Experiments was used to optimize the shape design of the end products to obtain lighter products while maintaining the product strength. These developments were illustrated through two case studies of Hadley Industries plc which included (1) numerical modelling of a novel Ultra STEEL® cold roll forming process, and (2) optimization of cold roll forming sections.
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Haga, Toshio. "Characteristics of Al-Mg Test Pieces with Fe Impurities Fabricated by Die Casting, Roll Casting, and Hot Forging." In Aluminium Alloys - Design and Development of Innovative Alloys, Manufacturing Processes and Applications. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.100940.

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The suitability of Al-Mg alloys for recycling was investigated using energy-saving processes. The Al-Mg alloy is a non-heat-treatable alloy and has the advantage of energy saving in comparison with heat-treatable alloys. Al-Mg alloys with Mg contents ranging from 4.5–10% were tested. Die casting, cast-forging, and roll casting were selected as energy-saving processes, as they have the advantage of process saving. A single-roll caster equipped with a scraper was used as the roll-caster. Fe was added to the Al-Mg alloys at contents of 0.2%, 0.4%, 0.6%, and 0.8% to model recycled alloys used in automobile manufacture. In the selected processes, the tensile stress and 0.2% proof stress of the Al-Mg alloys were little influenced by the added Fe content, whereas the elongation tended to decrease as the Fe content increased. The process influenced the degree to which the Fe content affected the elongation, and it was found that a suitable Mg content for recycling depends on the target process.
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Forrest, Stephen R. "Materials purity, growth, and patterning." In Organic Electronics, 295–366. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198529729.003.0005.

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This chapter describes the purification and growth of organic materials, device patterning, and coating of large substrate areas using volume manufacturing processes. Organic semiconductors are no different from other electronic materials—purity is of the utmost importance. The chapter begins by describing several purification techniques for achieving and assessing the quality of electronic-grade materials. Next is a discussion of bulk crystal growth, and growth by more technologically important methods for achieving thin films using solution or vapor phase growth processes. Post-growth annealing for achieving desired film morphologies is also discussed. Patterning of device structures by photolithography, stamping and nanoimprint lithography on both planar and curved surfaces are described. This is followed by consideration of manufacturing processes such as roll-to-roll production, and the constraints that such processes place on the choice of substrate. Last, packaging and device encapsulation that maintain substrate flexibility while protecting devices from attack by adverse environments is discussed.
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Conference papers on the topic "Roll-to-Roll Manufacturing Process"

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Shan, X. C., S. H. Chen, B. Salam, M. B. Mohahidin, and J. Wei. "Process considerations, process challenges and manufacturing systems for roll-to-roll processing." In 2016 IEEE 18th Electronics Packaging Technology Conference (EPTC). IEEE, 2016. http://dx.doi.org/10.1109/eptc.2016.7861568.

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Chen, Zhiyi, Baoyang Jiang, and Jun Ni. "High Precision Tracking of Roll-to-Roll Manufacturing Processes." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8392.

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Abstract Methods for controlling tension and velocity in Roll-to-Roll (R2R) processes have been widely studied in literature. Such methods are very effective under normal operating conditions, but the performance will degrade when control efforts saturate the physical capability of systems. This paper presents a constrained linear-quadratic model predictive control (LQ-MPC) scheme for the purpose of reference tracking. Firstly, a discrete-time linearized model for a R2R process is derived based on the governing equations from prior studies. The model is augmented by integrating an incremental behavior into it. Then a model predictive controller is specifically designed to reach zero-offset tracking of tension and velocity references, while the encountered process constraints are enforced at the same time. The constrained control problem is reduced into a quadratic programming problem and solved by using gradient projection method. It is proved that the proposed controller can guarantee local closed-loop stability where process constraints are inactive. Simulation of a five-roller R2R system is conducted to compare the performance of a proposed controller and a typical decentralized PI controller. Results show that the proposed controller achieves better performance in terms of quick response to changing of set points and capability of decoupling the subsystems. It also demonstrates good robustness when reasonable parametric uncertainties are introduced in the system.
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Zhao, Qishen, Nan Hong, Dongmei Chen, and Wei Li. "Controlling Peeling Front Geometry in a Roll-to-Roll Thin Film Transfer Process." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8507.

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Abstract Mechanical peeling is becoming an important manufacturing process in areas such as transfer printing and two-dimensional (2D) materials fabrication. Existing research has demonstrated the potential of successful peeling in small-scale by hand or with a robotic system. However, to scale up the manufacturing process, a roll-to-roll continuous system is needed. It is generally understood that the peeling front characteristics, including peeling angles, speed, and tension, are critical to the quality of the peeling process. In a roll-to-roll setting, controlling these characteristics becomes challenging since there are fewer degrees of freedom in the control design, and the complex relationship among the process parameters. In this study, a system model of a roll-to-roll peeling process is developed and a feedback controller to maintain the desired system performance is proposed. The control method is demonstrated with both numerical simulation and experimental results. It is shown that with the proposed control scheme, desired peeling front geometry can be achieved.
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Petsch, Tino, Jens Haenel, Maurice Clair, Bernd Keiper, and Christian Scholz. "Laser processing of organic photovoltaic cells with a roll-to-roll manufacturing process." In SPIE LASE. SPIE, 2011. http://dx.doi.org/10.1117/12.876245.

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Gong, Nan-Wei, Chiu-Yen Wang, and Joseph A. Paradiso. "Low-cost sensor tape for environmental sensing based on roll-to-roll manufacturing process." In 2012 IEEE Sensors. IEEE, 2012. http://dx.doi.org/10.1109/icsens.2012.6411347.

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Connolly, Liam, and Michael Cullinan. "In-line applications of atomic force microscope based topography inspection for emerging roll-to-roll nanomanufacturing processes." In Metrology, Inspection, and Process Control for Semiconductor Manufacturing XXXV, edited by Ofer Adan and John C. Robinson. SPIE, 2021. http://dx.doi.org/10.1117/12.2584346.

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7

Glassmaker, Nicholas, Ye Mi, Mukerrem Cakmak, and Ali Shakouri. "Roll to Roll Manufacturing and In-Line Imaging and Characterization of Functional Films." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85553.

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Abstract Roll-to-roll manufacturing is a promising platform to produce low cost, high quality electrical components and sensors for Internet of Things (IoT) applications. Within the roll-to-roll laboratories at Purdue University, a range of processes and machines have been developed to: 1) print patterns of conductive and sensing materials for use in electronic sensors, 2) cast films precisely with integrated functional materials, and 3) monitor quality of the printing and casting processes in-line in real time. A major development is the custom-designed and built Maxwell coating machine, which has enabled substantial quality improvements in slot-die coatings, as demonstrated by precise in-line thickness monitoring and imaging. As an illustrative example, we will show how we converted a design for a printed ion-selective electrode from a batch process to a roll-to-roll process. In-line process monitoring of coating thickness allowed us to identify high variability in the coating thickness due to an interaction between underlying printed electrodes and the drying process. By modifying the drying process, we demonstrated a substantial improvement as evidenced by the same in-line measurement technique. The overall process integrates several existing machines and processes in a novel way to create functional parts continuously, with data on individual parts gathered in real time.
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Shui, Huanyi, Xiaoning Jin, and Jun Ni. "Roll-to-Roll Manufacturing System Modeling and Analysis by Stream of Variation Theory." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8722.

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A multistage system that consists of multiple stages for sequential operations to finish products is widely employed in modern manufacturing systems. Due to the characteristics of multistage systems, the product quality not only depends on operations in current stage but is also affected by operations in upstream stages. Most existing studies use Stream of Variation models to analyze error propagation and interactions among multiple stages in discrete manufacturing systems such as machining shops and assembly systems. In this paper, a multistage model based on the “Stream of Variation” concept is developed to investigate the tension propagation in a flexible material roll-to-roll manufacturing system. This modeling method uses a physical model coupled with a data-driven model to correlate the roller operation performance and product quality characteristics. Torque equilibrium analysis and Hooke’s law are employed for physical model and the censored regression model is used to explore unknown structures/parameters. A web unwinding process demonstrates the feasibility and prediction performance of the proposed model. The result shows that the proposed multistage model can serve as a virtual metrology method to increase system visibility, enhance health management capability and eventually improve product quality.
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Chandra Mouli, S., Sotoudeh Sedaghat, Muhammed Ramazan Oduncu, Ajanta Saha, Rahim Rahimi, Muhammad A. Alam, Alexander Wei, Ali Shakouri, and Bruno Ribeiro. "Physics-Informed Machine Learning for Accelerated Testing of Roll-to-Roll Printed Sensors." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85392.

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Abstract Roll-to-roll printing has significantly shortened the time from design to production of sensors and IoT devices, while being cost-effective for mass production. But due to less manufacturing tolerance controls available, properties such as sensor thickness, composition, roughness, etc., cannot be precisely controlled. Since these properties likely affect the sensor behavior, roll-to-roll printed sensors require validation testing before they can be deployed in the field. In this work, we improve the testing of Nitrate sensors that need to be calibrated in a solution of known Nitrate concentration for around 1–2 days. To accelerate this process, we observe the initial behavior of the sensors for a few hours, and use a physics-informed machine learning method to predict their measurements 24 hours in the future, thus saving valuable time and testing resources. Due to the variability in roll-to-roll printing, this prediction task requires models that are robust to changes in properties of the new test sensors. We show that existing methods fail at this task and describe a physics-informed machine learning method that improves the prediction robustness to different testing conditions (≈ 1.7× lower in real-world data and ≈ 5× lower in synthetic data when compared with the current state-of-the-art physics-informed machine learning method).
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Seshadri, Aravind, and Prabhakar R. Pagilla. "Decentralized Control of Print Registration in Roll-to-Roll Printing Presses." In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-3992.

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Roll-to-roll (R2R) manufacturing is a type of continuous manufacturing process extensively used to produce a wide variety of consumer products, such as plastics, paper, films, non-wovens, textile, etc. Recent advances in nanotechnology and material science have enabled the possibility of manufacturing electronics on a flexible substrate using R2R printing techniques. Even though the feasibility of printing electronics on flexible substrates has been extensively studied, continuous printing on a moving substrate using R2R techniques has not been adequately investigated. To facilitate progress towards high precision R2R printing, a systematic investigation of the various aspects that affect print quality and ways in which those can be influenced by different control configurations facilitated by choice and location of various components of the print section is necessary. In this paper we investigate two common control configurations for R2R printing based on the structure of the R2R print section and various components available for control. For these two configurations we develop a state-space model that contains both state and input delays. We propose a decentralized, memoryless, state feedback control law for both control configurations and show the stability of the closed loop systems using frequency domain delay-dependent stability conditions. These control configurations are evaluated and compared using model simulations and discussions on the effectiveness of each strategy are provided.
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Reports on the topic "Roll-to-Roll Manufacturing Process"

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Slafer, W. Dennis. Roll-To-Roll Process for Transparent Metal Electrodes in OLED Manufacturing. Office of Scientific and Technical Information (OSTI), June 2010. http://dx.doi.org/10.2172/1169187.

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Joshi, Pooran, Brett Compton, Jianlin Li, Gerald Jellison, Jr, Chad Duty, and Zhiyun Chen. Develop Roll-to-Roll Manufacturing Process of ZrO2 Nanocrystals/Acrylic Nanocomposites for High Refractive Index Applications. Office of Scientific and Technical Information (OSTI), April 2015. http://dx.doi.org/10.2172/1224167.

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Daniel, Claus, Thomas Madden, David L. Wood, III, Thomas R. Muth, Curtis Warrington, Soydan Ozcan, Hunter Manson, et al. CRADA final report: Technical assessment of roll-to-roll operation of lamination process, thermal treatment, and alternative carbon fiber precursors for low-cost, high-efficiency manufacturing of flow battery stacks and other energy devices. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1237602.

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