Academic literature on the topic 'Micro/ Nano Molding'

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Journal articles on the topic "Micro/ Nano Molding"

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Ito, Hiroshi. "Micro-/Nano-Molding." Seikei-Kakou 30, no. 7 (June 25, 2018): 371–78. http://dx.doi.org/10.4325/seikeikakou.30.371.

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ITO, Hiroshi. "Nano/Micro-Molding." Journal of the Japan Society for Technology of Plasticity 57, no. 663 (2016): 340–44. http://dx.doi.org/10.9773/sosei.57.340.

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ITO, Hiroshi. "Polymer Micro-and Nano-Molding." Journal of the Japan Society for Technology of Plasticity 52, no. 610 (2011): 1143–47. http://dx.doi.org/10.9773/sosei.52.1143.

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Nishiyabu, Kazuaki, Kenichi Kakishita, and Shigeo Tanaka. "Micro Metal Injection Molding Using Hybrid Micro/Nano Powders." Materials Science Forum 534-536 (January 2007): 381–84. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.381.

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This study aims to investigate the effects of hybrid micro/nano powders in a micro metal injection molding (μ-MIM) process. A novel type of mixing-injection molding machine was used to produce tiny specimens (<1mm in size) with high trial efficiency using a small amount of feedstock (<0.05cm3 in volume). Small dumbbell specimens were produced using various feedstocks prepared by changing binder content and fraction of nano-scale Cu powder (130nm in particle size). The effects of adding the fraction of nano-scale Cu powder on the melt viscosity of the feedstock, microstructure, density and tensile strength of sintered parts were discussed.
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Yoo, Young Eun, Young Ho Seo, Seong Kon Kim, Tai Jin Je, and Doo Sun Choi. "Injection Molding Nano and Micro Pillar Arrays." Key Engineering Materials 326-328 (December 2006): 449–52. http://dx.doi.org/10.4028/www.scientific.net/kem.326-328.449.

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An injection molding technology is developed to replicate pillars in micro/nano scale on the thin plastic substrate. Two types of pillar are to be replicated and one is square type of 10um x 10um, the other is circular type whose diameter is in range of 100 nm ~ 300 nm. For both types of the pillars, the height is about 250 nm. A pattern master is first fabricated on the photo resist(PR) layer spin coated to about 250nm of thickness on chrome/quartz plate by patterning e-beam writing and then developing the PR. The patterns on the PR master are transferred by nickel electro-plating to fabricate rigid nickel stamper. Using this nickel stamper, a substrate with nano pillars on its surface is injection molded by optimizing the conditions to fabricate DNA separating chip.
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KAKISHITA, Kenichi, Kazuaki NISHIYABU, and Shigeo TANAKA. "2722 Micro Metal Injection Molding Using Hybrid Micro/Nano Powder." Proceedings of the JSME annual meeting 2006.1 (2006): 173–74. http://dx.doi.org/10.1299/jsmemecjo.2006.1.0_173.

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Yu, P. C., Q. F. Li, J. Y. H. Fuh, T. Li, and P. W. Ho. "Micro injection molding of micro gear using nano-sized zirconia powder." Microsystem Technologies 15, no. 3 (July 12, 2008): 401–6. http://dx.doi.org/10.1007/s00542-008-0673-5.

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Asgar, Md Ali, Jun Kim, Muhammad Refatul Haq, Taekyung Kim, and Seok-min Kim. "A Comprehensive Review of Micro/Nano Precision Glass Molding Molds and Their Fabrication Methods." Micromachines 12, no. 7 (July 12, 2021): 812. http://dx.doi.org/10.3390/mi12070812.

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Micro/nano-precision glass molding (MNPGM) is an efficient approach for manufacturing micro/nanostructured glass components with intricate geometry and a high-quality optical finish. In MNPGM, the mold, which directly imprints the desired pattern on the glass substrate, is a key component. To date, a wide variety of mold inserts have been utilized in MNPGM. The aim of this article is to review the latest advances in molds for MNPGM and their fabrication methods. Surface finishing is specifically addressed because molded glass is usually intended for optical applications in which the surface roughness should be lower than the wavelength of incident light to avoid scattering loss. The use of molds for a wide range of molding temperatures is also discussed in detail. Finally, a series of tables summarizing the mold fabrication methods, mold patterns and their dimensions, anti-adhesion coatings, molding conditions, molding methods, surface roughness values, glass substrates and their glass transition temperatures, and associated applications are presented. This review is intended as a roadmap for those interested in the glass molding field.
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Guo, Wu, Zhaogang Liu, Yan Zhu, and Li Li. "Fabrication of Poly(Vinylidene Fluoride)/Graphene Nano-Composite Micro-Parts with Increased β-Phase and Enhanced Toughness via Micro-Injection Molding." Polymers 13, no. 19 (September 27, 2021): 3292. http://dx.doi.org/10.3390/polym13193292.

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Based on poly(vinylidene fluoride)/graphene (PVDF/GP) nano-composite powder, with high β-phase content (>90%), prepared on our self-designed pan-mill mechanochemical reactor, the micro-injection molding of PVDF/GP composite was successfully realized and micro-parts with good replication and dimensional stability were achieved. The filling behaviors and the structure evolution of the composite during the extremely narrow channel of the micro-injection molding were systematically studied. In contrast to conventional injection molding, the extremely high injection speed and small cavity of micro-injection molding produced a high shear force and cooling rate, leading to the obvious “skin-core” structure of the micro-parts and the orientation of both PVDF and GP in the shear layer, thus, endowing the micro-parts with a higher melting point and crystallinity and also inducing the transformation of more α-phase PVDF to β-phase. At the injection speed of 500 mm/s, the β-phase PVDF in the micro-part was 78%, almost two times of that in the macro-part, which was beneficial to improve the dielectric properties. The micro-part had the higher tensile strength (57.6 MPa) and elongation at break (53.6%) than those of the macro-part, due to its increased crystallinity and β-phase content.
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Ito, Hiroshi. "ANTEC 2010 Ⅱ. Reports on Nano/Micro Molding, Injection Molding and Medical Platics Session." Seikei-Kakou 22, no. 10 (September 20, 2010): 574–77. http://dx.doi.org/10.4325/seikeikakou.22.574.

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Dissertations / Theses on the topic "Micro/ Nano Molding"

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Sorgato, Marco. "Characterization of the micro injection molding of micro- and nano- structured polymer surfaces." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424332.

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The micro injection moulding process has a set of advantages that makes it commercially interesting, with potential for further developments in the future. In this sense, its application to the replication of surfaces characterized by micro and nano-structures has been the focus of many researches. In this work, the micro injection moulding process for the manufacturing of nanofeatures and high AR microfeatures was characterized, focusing on the challenges and limitations in the replication. This research completely characterized the micro injection moulding technology, not only considering the process parameters, but also considering the material properties, the interaction between polymer and mould material, and the use of auxiliary technologies like cavity air evacuation and rapid heat cycle moulding. The carried out work confirms previous findings and contributes to extend the state-of-the-art knowledge about the micro injection moulding process, which is considering nowadays a reliable and cost effective means of producing a wide range of micro components in thermoplastics materials.
Tra i processi per la produzione di componenti micro e nano strutturati, il processo di micro stampaggio a iniezione presenta una serie di vantaggi che lo rendono commercialmente interessante. Tale tecnologia è caratterizzata da un elevato grado di riproducibilità, che la rende idonea alla produzione di massa di micro componenti in materiale termoplastico. Parlando di micro prodotti, la qualità del pezzo stampato risulta essere di fondamentale importanza e per questo, negli ultimi decenni, lo studio dei fattori che influenzano la qualità del prodotto finito, sono stati al centro di numerose indagini. Questo lavoro di tesi si pone come obbiettivo l'analisi del processo di micro stampaggio per la produzione di componenti micro e nano strutturati aventi features ad elevato rapporto di forma. Lo studio si concentra soprattutto sulle limitazioni del processo, utilizzando come casi studio delle geometrie particolarmente critiche per il micro stampaggio a iniezione. La caratterizzazione del processo e l'individuazione dei sui limiti sono stati indagati non solo considerando i parametri che influenzano la qualità del prodotto finito, ma anche le proprietà dei materiali termoplastici impiegati, l'interazione tra materiale plastico e stampo, e l'utilizzo di tecnologie ausiliarie come il riscaldamento e raffreddamento rapido dello stampo e l'evacuazione forzata dell'aria dalla cavità. I risultati confermano quanto riportato in letteratura e contribuiscono ad estendere lo stato dell'arte sul processo di micro stampaggio a iniezione, il quale rappresenta ad oggi una tecnologia affidabile ed economicamente efficace per la produzione su larga scala di micro componenti in materiale plastico in diversi settori industriali.
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Huang-YaLin and 林晃業. "Experimental and Analytical Study on Filling of Nano and Micro Structures in Micro Injection Molding." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/91745851280465541640.

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博士
國立成功大學
航空太空工程學系碩博士班
98
Nano and micro technology is attracting more attention and has increasing applications in recent years. Among the products with applications of nano technology, many of them are made of polymer plastics. Micro injection molding is one of the important processes for polymer plastics. In micro injection molding, the ability for the polymer melt to flow into the micro/nano features is a crucial factor for successful molding. The flow behavior of polymer in micro/nano features needs to be explored further to facilitate the molding process. In this study, we investigated the effects of the processing conditions on the filling of micro/nano features analytically and experimentally. Firstly, mold inserts with micro or nano features were constructed by LIGA-LIKE process. Secondly, an analytical model was developed to model the filling of polymer melt in the micro/nano features. Molding experiments were performed to verify the analytical filling model. With this verified model, a theoretical filling distance can be predicted for the micro/nano injection molding, and the suitable processing conditions can be estimated for different geometries of product. Finally, the Infrared heating system is introduced to improve the penetration distance in nano feature filling.
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Ho, Chang-En, and 何長恩. "Study on the Molding of Nano- and Micro-features Using Injection and Imprint Techniques." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/30024667961040932032.

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碩士
龍華科技大學
工程技術研究所
97
In recent years, there is a considerable development in technique which has been a tempting trend of miniaturization in production technology and the techniques which demands the quality and structures which face the role in nanotechnology. In this study, molding of nano-and micro-features using injection and imprint technique is focused. A square, silicon grating in a 3x3 mm2 array, with a depth of 82 nm 1.5µm 0.9µm, and a pitch of 3.0µm. The grating costs only about NT 4000. It provides a simple way to replicate high quality nano-scale molded parts by using a simple custom-made injection machine and hot embossing machine results in manufacturing the different shape and the structure depth nano-and micro-features part. In the injection molding process, nano-and micron structures will be masked in the mold inserts molds with a simple silicon dye using the assist of simple custom-made injection machine. In this technique polymethylmethacrylate (PMMA) and polycarbonate (PC) act as the nano-micro-features. In the analysis the depth of 82 nm and 0.9 μm can be produced by the micro-structural formability. It is a low-cost and fast way to successfully produce high-precision nano-and micro structural elements. The results shows that, when the simple mold and custom-made machine were employed, structure is encountered with the nano-micron micro-structure shape, by improve the mold temperature and injection pressure, which can be a clear edge and the surface of a higher quality. Generally in the press printing process, nano-micro-features structure can be produced 82 nm, 1.5 μm and 0.9 μm can be obtained. An optical film of PMMA and PC is used in molding experiments. The depth of 82 nm, 1.5 μm and 0.9 μm can be produced by the micro-structural formability. To identify the glass transition temperature thermal analysis instruments were used to control the parameters as a reference. For a silicone mold-jet we required the imprinted molding window. A single parameter method is used to investigate the dye temperature imprints pressure, imprint time and ejection temperature of nano and micro-structure for the surface roughness and shape effects. The result shows that, forming a high pressure and imprinted with the injection temperature is linear. If the Injection temperature is closer to the glass transition temperature, will be difficult to form the shapes and also affects the roughness of the most significant process parameters in the ejection temperature. To investigate the surface morphology of the obtained micron-sized structures we require Chanai electron microscopy. Further to make the measurements of height and surface roughness of the samples we use atomic force microscope (AFM), Chennai-micron structure of its.
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Books on the topic "Micro/ Nano Molding"

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Hot Embossing Micro Nano Technologies. William Andrew Publishing, 2009.

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Tosello, Guido, ed. Latest Advancements in Micro Nano Molding Technologies – Process Developments and Optimization, Materials, Applications, Key Enabling Technologies. MDPI, 2022. http://dx.doi.org/10.3390/books978-3-0365-5433-4.

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Book chapters on the topic "Micro/ Nano Molding"

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Abdul Manaf, Ahmad Rosli, and Jiwang Yan. "Press Molding of Hybrid Fresnel Lenses for Infrared Applications." In Micro/Nano Technologies, 1–30. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6588-0_21-1.

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Abdul Manaf, Ahmad Rosli, and Jiwang Yan. "Press Molding of Hybrid Fresnel Lenses for Infrared Applications." In Micro/Nano Technologies, 1–30. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6588-0_21-2.

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Abdul Manaf, Ahmad Rosli, and Jiwang Yan. "Press Molding of Hybrid Fresnel Lenses for Infrared Applications." In Micro/Nano Technologies, 661–90. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0098-1_21.

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Zhou, Tianfeng. "Precision Molding of Microstructures on Chalcogenide Glass for Infrared Optics." In Micro/Nano Technologies, 635–59. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0098-1_20.

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Nishiyabu, Kazuaki, Kenichi Kakishita, and Shigeo Tanaka. "Micro Metal Injection Molding Using Hybrid Micro/Nano Powders." In Progress in Powder Metallurgy, 381–84. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.381.

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Yoo, Young Eun, Young Ho Seo, Seong Kon Kim, Tai Jin Je, and Doo Sun Choi. "Injection Molding Nano and Micro Pillar Arrays." In Experimental Mechanics in Nano and Biotechnology, 449–52. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-415-4.449.

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Lee, H. K., G. E. Yang, and Hong Gun Kim. "Residual Stress and Surface Molding Conditions in Thin Wall Injection Molding." In Macro-, Meso-, Micro- and Nano-Mechanics of Materials, 137–42. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-979-2.137.

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Vranić, Edina. "Micro-molding and Its Application to Drug Delivery." In Nano- and Microfabrication Techniques in Drug Delivery, 275–94. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26908-0_11.

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Lu, Yanjun, Yuming Huang, and Jiangxiu Ouyang. "Introduction to Precision Grinding and Injection Molding Micro/Nano Structures." In Fabrication of Micro/Nano Structures via Precision Machining, 287–99. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1338-1_13.

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Lu, Yanjun, Xingyu Mou, and Fumin Chen. "Fabrication of Micro-structured Polymer Via Precision Grinding and Injection Molding." In Fabrication of Micro/Nano Structures via Precision Machining, 361–78. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1338-1_17.

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Conference papers on the topic "Micro/ Nano Molding"

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Wu, Cheng-Hsien, and Wei-Hsu Chen. "Injection molding of grating optical elements with microfeatures." In Smart Materials, Nano-, and Micro-Smart Systems, edited by Jung-Chih Chiao, David N. Jamieson, Lorenzo Faraone, and Andrew S. Dzurak. SPIE, 2005. http://dx.doi.org/10.1117/12.582425.

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Cui, Liangyu, Zhichen Huo, and Dawei Zhang. "Ultrasonic Molding of Polymer Micro Devices." In 2019 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO). IEEE, 2019. http://dx.doi.org/10.1109/3m-nano46308.2019.8947356.

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Li, Sijie, Hongxing Xie, Yun Ye, Sheng Xu, Enguo Chen, and Tailiang Guo. "Injection molding and performance testing of quantum-dot diffusion plate." In Nanophotonics, Micro/Nano Optics, and Plasmonics VIII, edited by Zhiping Zhou, Kazumi Wada, Limin Tong, Zheyu Fang, and Takuo Tanaka. SPIE, 2023. http://dx.doi.org/10.1117/12.2643875.

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Tom, Alan M., Aleksandar K. Angelov, and John P. Coulter. "An Experimental Investigation of a Micro Injection Molded Mechanical Device." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81968.

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The primary objective of this study, through a scientific experimental investigation, was to determine optimum injection molding processing parameters on semi-crystalline materials HDPE and POM focusing on mechanical properties, obtained thru the use of a nano-indenter, of micro gears being manufactured on non-heated and heated mold bases. A secondary objective was to initiate a similar experimental study using amorphous COC material. Taguchi’s method utilizing an L-9 orthogonal array was used to determine the effects of Tnoz, Tmold, Pinj, Vinj, Ppack, and tpack injection molding processing parameters. A nano-indenter was used to determine investigated mechanical properties on final injection molded parts that included stiffness (S), reduced modulus (Er), and hardness (H). Results showed HDPE, POM and COC, heated mold experiments exhibiting increases in mechanical properties S, Er, and H, on the order of 1.2–4.0 times those of non-heated molding trials. Decreases in optimum molding conditions for Tnoz, Pinj, and Ppack was also observed for heated molding trials. The highest mold temperatures and injection pressures tested did not produce greatest optimum molding conditions. However, largest packing times tested produced optimum molding conditions.
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Lucchetta, Giovanni, Davide Masato, Marco Sorgato, and Nicola Milan. "Effect and Modeling of Ultrasound-Assisted Ejection in Micro Injection Molding." In WCMNM 2018 World Congress on Micro and Nano Manufacturing. Singapore: Research Publishing Services, 2018. http://dx.doi.org/10.3850/978-981-11-2728-1_26.

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Shin, Jihyun, Shuji Tanaka, and Masayoshi Esashi. "Nanostructured Silicon Carbide Molds for Glass Press Molding." In 2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems. IEEE, 2007. http://dx.doi.org/10.1109/nems.2007.352019.

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Sitti, Metin. "High Aspect Ratio Polymer Micro/Nano-Structure Manufacturing Using Nanoembossing, Nanomolding and Directed Self-Assembly." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42787.

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This paper proposes three methods to fabricate synthetic gecko foot-hair high aspect ratio polymer micro/nanostructures. In the first method, nano-robotically indented templates are molded with liquid polymers, and the cured polymer is peeled off or etched away. Atomic force microscope and scanning tunneling microscope probe tips are used to emboss/indent flat wax surfaces, and silicone rubber micro/nano-bump structures are demonstrated. The second one uses a self-organized polycarbonate nano-pore membrane as the molding template. PDMS is molded into these micro/nano-pores under vacuum, and 1:2 and 1:9 aspect ratio pillar structures with 5 micron and 0.6 micron diameters are manufactured successfully. Finally, a directed self-assembly technique is proposed to grow regularly spaced and oriented micro/nano-pillars. Here, instability of a liquid polymer thinfilm under a DC electric field is used to grow nano-pillars, and stretching and shearing of the grown hairs enable high aspect ratio and oriented hair structures. These hair structures will be utilized as novel biomimetic dry adhesives in future miniature space and surgical robot feet.
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Luca, Antonio, Henrik Siesenis, and Oltmann Riemer. "Prediction of shrinkage and warpage effects of a micro component via injection molding process simulation." In WCMNM 2018 World Congress on Micro and Nano Manufacturing. Singapore: Research Publishing Services, 2018. http://dx.doi.org/10.3850/978-981-11-2728-1_08.

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Masato, D., M. Sorgato, A. Batal, S. Dimov, and G. Lucchetta. "Effect of Laser-induced Periodic Surface Structures on Wall Slip of Polypropylene in Thin-wall Injection Molding." In WCMNM 2018 World Congress on Micro and Nano Manufacturing. Singapore: Research Publishing Services, 2018. http://dx.doi.org/10.3850/978-981-11-2728-1_46.

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Zhou, Tianfeng, Zhanchen Zhu, Jiaqing Xie, Qian Yu, Jia Zhou, and Xibin Wang. "Simulation and experimental study on the precision glass molding for microstructures on optical glass based on relaxation effect." In Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics, edited by Reinhart Poprawe, Bin Fan, Xiong Li, Min Gu, Mingbo Pu, and Xiangang Luo. SPIE, 2019. http://dx.doi.org/10.1117/12.2504777.

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