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Journal articles on the topic 'Micro-patterned surface'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Cho, Hanlyun, Juan Godinez, Jun Sae Han, et al. "Fabrication of Micro-Patterned Surface for Pool-boiling Enhancement by Using Powder Injection Molding Process." Materials 12, no. 3 (2019): 507. http://dx.doi.org/10.3390/ma12030507.

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In this study, two kinds of copper micro-patterned surfaces with different heights were fabricated by using a powder injection molding (PIM) process. The micro-pattern’s size was 100 μm, and the gap size was 50 μm. The short micro-pattern’s height was 100 μm, and the height of the tall one was 380 μm. A copper powder and wax-polymer-based binder system was used to fabricate the micro-patterned surfaces. The critical heat flux (CHF) and heat transfer coefficient (HTC) during pool-boiling tests were measured with the micro-patterned surfaces and a reference plain copper surface. The CHF of short

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A., Vivek Anand, Arumugam V., Jayalakshmi S., and Arvind Singh R. "Innovative approach for suppressing corrosion of SS304 steel in saline water environment." Anti-Corrosion Methods and Materials 65, no. 5 (2018): 484–91. http://dx.doi.org/10.1108/acmm-01-2018-1889.

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Purpose The failure of structures and components made of SS304 steel because of corrosion in the presence of saline water environment is still an unsolved issue across the globe. Conventionally, coatings and inhibitors are used to mitigate corrosion. The purpose of this study is to propose a novel method to tackle corrosion by means of micro-patterning on the surface and to explore the relation between surface morphology, corrosion and wetting nature of micro-patterned SS304 Steel. Design/methodology/approach Groove-shaped micro-patterns were created on SS304 steel surface with varying ridge a

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Liu, Xiaoyan, Sang Ho Yun, and Per M. Claesson. "Frictional behavior of micro-patterned silicon surface." Journal of Colloid and Interface Science 456 (October 2015): 76–84. http://dx.doi.org/10.1016/j.jcis.2015.06.009.

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4

Urwyler, Prabitha, Helmut Schift, Jens Gobrecht, et al. "Surface patterned polymer micro-cantilever arrays for sensing." Sensors and Actuators A: Physical 172, no. 1 (2011): 2–8. http://dx.doi.org/10.1016/j.sna.2010.12.007.

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Han, Cong Zhen, Jing An Li, Dan Zou, et al. "Mechanical Property of TiO₂ Micro/Nano Surface Based on the Investigation of Residual Stress, Tensile Force and Fluid Flow Shear Stress: For Potential Application of Cardiovascular Devices." Journal of Nano Research 49 (September 2017): 190–201. http://dx.doi.org/10.4028/www.scientific.net/jnanor.49.190.

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The micro-patterned TiO2 nanotube has been anticipated for potential application for cardiovascular implanted devices for its excellent drug loading/ release function and biocompatibility. However, its mechanical behavior has rarely been studied as the cardiovascular devices. The tube length is a crucial factor which not only decides the drug loading ability but also influences the devices’ mechanical behavior. Therefore, in this work, the micro-patterned TiO2 nanotubes with different tube length (MNT2, MNT4 and MNT6) were fabricated, and their surface energy, residual stress, tensile tolerabi

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Rotella, Giovanna, Antonio Del Prete, Maurizio Muzzupappa, and Domenico Umbrello. "Innovative Manufacturing Process of Functionalized PA2200 for Reduced Adhesion Properties." Journal of Manufacturing and Materials Processing 4, no. 2 (2020): 36. http://dx.doi.org/10.3390/jmmp4020036.

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This work proposes an approach to fabricate micro patterned surfaces on PA2200 polyamide in order to improve its performance in terms of wettability and adhesion. In more detail, the present work aims to change the wettability of the surface and decrease their bacteria adhesion tendency. The experimental procedure consists of imprinting a set of different micro patterned structures over the polymer in order to verify the effectiveness of the methodology to change the contact angle of the surface, and in turn, reduce the occurrence of bacteria adhesion. Four different surface patterning were pr

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Fukushima, Taketo, Kazuhito Ohashi, Masahiro Fujihara, Takashi Onishi, and Shinya Tsukamoto. "Machining Characteristics in Cylindrical Blasting of Micro Grooves and Performance of Herring-Bone Bearing." Advanced Materials Research 1017 (September 2014): 205–11. http://dx.doi.org/10.4028/www.scientific.net/amr.1017.205.

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The micro patterning on a cylindrical surface is conventionally carried out by electrochemical machining, chemical etching, cutting and so on. However, there exists some problems in machining dimensional errors and tool lives. On the other hand, blasting is expected as one of micro fabrication methods and progresses to apply for machining of hard and brittle materials. The purpose of this study is to develop the micro blasting technique for patterning of micro herring-bone grooves on spindle surfaces of the fluid dynamic bearings. Then, machining characteristics in blasting of rotating workpie

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ElSherbiny, Ibrahim M. A., Ahmed S. G. Khalil, and Mathias Ulbricht. "Influence of Surface Micro-Patterning and Hydrogel Coating on Colloidal Silica Fouling of Polyamide Thin-Film Composite Membranes." Membranes 9, no. 6 (2019): 67. http://dx.doi.org/10.3390/membranes9060067.

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In this work, colloidal fouling by silica particles of different sizes on micro-patterned pristine and poly-(N-isopropylacylamide)-coated polyamide (PA) thin-film composite (TFC) membranes was studied. The competing impacts of surface micro-patterning vs. surface chemical modification on enhancing antifouling propensity in unstirred dead-end filtration conditions were systematically explored. Spatially selective deposition of silica microparticles (500 nm), driven by unequal flow distribution, was observed on micro-patterned membranes such that silica particles accumulated preferentially withi

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Aizawa, Tatsuhiko, Kenji Wasa, and Yoshiro Nogami. "Plasma Oxidation Printing into DLC and Graphite for Surface Functionalization." C 5, no. 1 (2019): 11. http://dx.doi.org/10.3390/c5010011.

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A diamond-like carbon (DLC) film, coated on a AISI420-J2 stainless steel substrate and vertically aligned graphite (VAG), was structured by high-density plasma oxidation to work as a DLC-punch for micro-stamping and DLC-nozzle array for micro-dispensing, in addition to acting as a copper-plated thermal spreader, respectively. Thick DLC films were micro-patterned by maskless lithography and directly plasma-etched to remove the unmasked regions. Thick VAG (Ca plates were micro-patterned by screen-printing and selectively etched to activate the surface. Raman spectroscopy as well as electric resi

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Ratova, Marina, David Sawtell, and Peter J. Kelly. "Micro-Patterning of Magnetron Sputtered Titanium Dioxide Coatings and Their Efficiency for Photocatalytic Applications." Coatings 10, no. 1 (2020): 68. http://dx.doi.org/10.3390/coatings10010068.

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Titanium dioxide thin films were deposited onto sola-lime glass substrates by reactive magnetron sputtering. Fine stainless steel mesh sheets with different aperture sizes were applied as masks over glass substrates to allow the deposition of the coatings with micro-patterned structures and, therefore, enhanced surface area. Non-patterned titania films were deposited for comparison purposes. The titanium dioxide films were post-deposition annealed at 873 K for crystallinity development and then extensively analysed by a number of analytical techniques, including scanning electron microscopy (S

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Song, Wuzhou, Demetri Psaltis, and Kenneth B. Crozier. "Superhydrophobic bull's-eye for surface-enhanced Raman scattering." Lab Chip 14, no. 20 (2014): 3907–11. http://dx.doi.org/10.1039/c4lc00477a.

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12

Liang, Xiong, Yongjing Liu, Jiang Ma, et al. "Fabrication of Micro Ultrasonic Powder Molding Polypropylene Part with Hydrophobic Patterned Surface." Materials 13, no. 15 (2020): 3247. http://dx.doi.org/10.3390/ma13153247.

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Constructing regular micro-structures with certain geometric characteristics on the surface of the polymer part can obtain some specific functions. Micro ultrasonic powder molding (micro-UPM) is an efficient processing technique for the fabrication of well-filled micro-structured Polypropylene (PP) parts. The micro-structure array on the surface of the core insert was obtained by low speed wire electrical discharge machining (WEDM-LS). PP polymer surfaces with micro-structured patterns were successfully replicated from the core insert surface after micro-UPM. By studying the detailed topograph

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Pelaez-Vargas, A., N. Ferrell, M. H. Fernandes, D. J. Hansford, and F. J. Monteiro. "Cellular Alignment Induction during Early In Vitro Culture Stages Using Micropatterned Glass Coatings Produced by Sol-Gel Process." Key Engineering Materials 396-398 (October 2008): 303–6. http://dx.doi.org/10.4028/www.scientific.net/kem.396-398.303.

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Cell behaviour such as adhesion, morphology, proliferation and functional activity are highly influenced by surface properties including hydrophobicity, roughness, texture and morphology. These surface properties may be controlled using a mixture of additive coating techniques to produce glass coatings by sol-gel process and soft lithography on dental ceramics. The purpose of this work was to compare cell adhesion and early orientation of Human Bone Marrow (HBM) cells cultured on micro-patterned (micro-PGC) and on flat glass coatings (FGC) produced by sol-gel processing. Spin coating was used

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Inglis, William, Martyn C. Davies, Clive J. Roberts, Saul J. B. Tendler, and Philip M. Williams. "Micro-Patterning of Polymers for High Resolution Microscopy Analysis." Microscopy and Microanalysis 7, S2 (2001): 128–29. http://dx.doi.org/10.1017/s1431927600026714.

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Micro-patterned surfaces are of interest in biology and chemistry due to the ability to confine functional sample materials to specific areas. If patterns are visible, either through optical microscopy, or topographically, with scanning probe microscopy, investigating samples in a manner that is cheap and accessible to most laboratories is possible. Examples include micropatterning cells in tissue engineering, and protein micro-array analysis. We have created a micro-patterned surface with tailored optical and topographic properties. These were investigated using the microscopy techniques, con

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Zhu, Guiping, Hui Fan, Hulin Huang, and Fei Duan. "Coalescence of droplets on micro-structure patterned hydrophobic planar solid surfaces." RSC Advances 7, no. 39 (2017): 23954–60. http://dx.doi.org/10.1039/c7ra03323k.

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16

Lu Nai-Yan, Yu Xue-Jian, Wan Jia-Wei, Weng Yu-Yan, Guo Jun-Hong, and Liu Yu. "Surface plasmon resonance coupling effect of micro-patterned gold film." Acta Physica Sinica 65, no. 20 (2016): 208102. http://dx.doi.org/10.7498/aps.65.208102.

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17

Mao, Zhenwei, Wei Cao, Jie Hu, et al. "A dual-functional surface with hierarchical micro/nanostructure arrays for self-cleaning and antireflection." RSC Adv. 7, no. 78 (2017): 49649–54. http://dx.doi.org/10.1039/c7ra11186j.

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18

Liu, Yaqian, Xiumei Wang, Yujie Yan, Zhichao Rao, Huipeng Chen, and Tailiang Guo. "A novel post-processed surface modified double-network polymer layer for a triboelectric nanogenerator." Journal of Materials Chemistry A 8, no. 13 (2020): 6328–36. http://dx.doi.org/10.1039/d0ta01070g.

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19

Yu, Jiadong, Shudong Yu, Ting Fu, and Yong Tang. "Micro-Prism Patterned Remote Phosphor Film for Enhanced Luminous Efficiency and Color Uniformity of Phosphor-Converted Light-Emitting Diodes." Micromachines 12, no. 9 (2021): 1117. http://dx.doi.org/10.3390/mi12091117.

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In this work, we propose micro-prism patterned remote phosphor (RP) films to enhance both luminous efficiency and color uniformity (CU) of remote phosphor-converted light-emitting diodes (rpc-LEDs) simultaneously. On the incident surface of the RP film, one micro-prism film is used to extract backward light by double reflection. On the exit surface, the other micro-prism film is adopted to retain blue light inside the RP film, thus enhancing the phosphor excitation. Experimental results show that double prism-patterned RP (DP-RP) film configuration shows a luminous flux of 55.16 lm, which is 4

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LI, XIAORAN, JUN XU, LEI ZHAO, XIAO GUO, and WEI HUANG. "A NOVEL NANOFABRICATION USING MICRO DROPLET JETTING SYSTEM." International Journal of Nanoscience 05, no. 06 (2006): 809–13. http://dx.doi.org/10.1142/s0219581x06005194.

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This study briefly reports a newly developed nanopatterning technology utilizing a so-called micro droplet jetting system, which can be used in various applications such as nanofabrication. Compared with the conventional methods, this technology has the advantages as follows: it can be manipulated easily and patterned freely as the user requires; furthermore, it shows high-reliability and high-stability with very low cost. The typical specs of the micro droplet jetting system for fabricating nanodevice show as follows: (1) nanoparticle size: 50–60 nm; (2) characteristic wavelength: 400–450 nm;

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21

García-Huete, Nuria, José Cuevas, José Laza, José Vilas, and Luis León. "Polymeric Shape-Memory Micro-Patterned Surface for Switching Wettability with Temperature." Polymers 7, no. 9 (2015): 1674–88. http://dx.doi.org/10.3390/polym7091477.

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22

Wang, X., J. Y. Zhu, W. Chen, and L. Cai. "Influence of micro-patterned laser surface texturing on the tribological performance." International Journal of Computer Applications in Technology 29, no. 2/3/4 (2007): 114. http://dx.doi.org/10.1504/ijcat.2007.015245.

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23

Bos, R., H. C. Mei, J. Gold, and H. J. Busscher. "Retention of bacteria on a substratum surface with micro-patterned hydrophobicity." FEMS Microbiology Letters 189, no. 2 (2000): 311–15. http://dx.doi.org/10.1111/j.1574-6968.2000.tb09249.x.

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24

Liang, Chunyong, Hongshui Wang, Jianjun Yang, Baoe Li, Yang Yang, and Haipeng Li. "Biocompatibility of the micro-patterned NiTi surface produced by femtosecond laser." Applied Surface Science 261 (November 2012): 337–42. http://dx.doi.org/10.1016/j.apsusc.2012.08.011.

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25

Hallet, Bernard, Ron Sletten, and Kevin Whilden. "Micro-relief development in polygonal patterned ground in the Dry Valleys of Antarctica." Quaternary Research 75, no. 2 (2011): 347–55. http://dx.doi.org/10.1016/j.yqres.2010.12.009.

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AbstractPolygonal patterned ground in polar regions of both Earth and Mars has received considerable attention. In comparison with the size, shape, and arrangement of the polygons, the diverse micro-relief and topography (termed here simply “relief”) of polygonal patterned ground have been understudied. And yet, the relief reflects important conditions and processes occurring directly below the ground surface, and it can be observed readily in the field and through remote sensing. Herein, we describe the relief characteristic of the simplest and relatively young form of patterned ground in the

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Ebrahimi Warkiani, Majid, Hai Qing Gong, and Anthony Fane. "Surface Modification of Micro/Nano-Fabricated Filters." Key Engineering Materials 508 (March 2012): 87–98. http://dx.doi.org/10.4028/www.scientific.net/kem.508.87.

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Polymeric Micro-Fabricated Filters Have Excellent Sieving Properties. Their Identical Properties such as High Surface Porosity and Perfectly Patterned Pore Structure, which Is Combined with Mechanical Strength Make them Ideal for many Applications such as Microorganism Removal, Blood Filtration and Protein Purification. To Improve the Performance of the Micro-Fabricated Filters, we Employed Oxygen Plasma Treatment to Increase the Surface Hydrophilicity and Reduce the Membrane Fouling during Microfiltration. Hydrophilization and Integrity of the Surfaces Were Analyzed by Contact Angle Measureme

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Stephens, L. S., R. Siripuram, M. Hayden, and B. McCartt. "Deterministic Micro Asperities on Bearings and Seals Using a Modified LIGA Process." Journal of Engineering for Gas Turbines and Power 126, no. 1 (2004): 147–54. http://dx.doi.org/10.1115/1.1619430.

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Deterministic micro asperities show potential for enhancement of lubrication in conformal contacts as found in many bearing and seal designs. Several manufacturing methods have been proposed for deterministic micro asperities. Of these, laser texturing has emerged as the most viable option. This paper proposes the LIGA MEMs manufacturing method as an alternative. Using LIGA, surfaces with patterned micron sized surface features of arbitrary cross section (cylindrical, hex, triangular, etc.) can be fabricated from electroplated nickel, gel-cast silicon nitride, or plastic. The resulting asperit

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Verma, Ashwani Kumar, Rupali Das, and R. K. Soni. "Laser Processing of Low Optical Reflection Micro/Nano-patterned Si Substrates for SERS." MRS Advances 2, no. 44 (2017): 2379–84. http://dx.doi.org/10.1557/adv.2017.369.

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ABSTRACTLight collection efficiency and specific molecular detection are crucial factors for the performance of bio-chemical molecule sensors. In this paper, the low optical-reflection silicon (Si) substrates which combine reduced optical reflectivity by light trapping effect and high Raman enhancement ability of gold nanoparticles (Au-NPs) coated textured Si substrates are investigated for surface-enhanced Raman scattering (SERS). A fast, single-step and highly controllable nanosecond (ns) laser processing technique is employed to fabricate textured Si substrates under ambient conditions. Par

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Luo, Hongyu, Chengjun Wang, Changhong Linghu, Kaixin Yu, Chao Wang, and Jizhou Song. "Laser-driven programmable non-contact transfer printing of objects onto arbitrary receivers via an active elastomeric microstructured stamp." National Science Review 7, no. 2 (2019): 296–304. http://dx.doi.org/10.1093/nsr/nwz109.

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Abstract Transfer printing, as an important assembly technique, has attracted much attention due to its valuable merits to develop novel forms of electronics such as stretchable inorganic electronics requiring the heterogeneous integration of inorganic materials with soft elastomers. Here, we report on a laser-driven programmable non-contact transfer printing technique via a simple yet robust design of active elastomeric microstructured stamp that features cavities filled with air and embedded under the contacting surface, a micro-patterned surface membrane that encapsulates the air cavities a

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Nie, Li Bo, Hao Chang, Zhu Chen, and Quan Guo He. "Biorecognition on the Surface of Patterned Silicon/Silica and Gold/Silica Slide." Applied Mechanics and Materials 220-223 (November 2012): 2991–95. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.2991.

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As the substrates of biosensor or biomicroarray, silicon, silica and gold matrixes are usually used as the surfaces of bio-recognition. In this research, designed micro-patterned silicon/silica slide and gold/silica slide were utilized respectively as the substrates of DNA and protein detection. The results suggested the detection limit of protein and DNA on silicon/silica slide were 10 μg/L and 10 pM respectively, and those on gold/silica slide were 10 μg/L and 100 pM respectively. The patterned silicon/silica and gold/silica slide could be used as the support of bio-microarray in high-sensit

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Patel, Divyansh, VK Jain, and J. Ramkumar. "Micro texturing on metallic surfaces: State of the art." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 232, no. 6 (2016): 941–64. http://dx.doi.org/10.1177/0954405416661583.

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The study of surface texturing on a metallic surface has become a great area of interest of researchers in the last few decades. Surface texturing is employed for enhancing the performance of the surface in its working environment. As the characterization techniques have been evolving very fast, researchers have started mimicking the natural surfaces to take the advantages of their characteristics (such as self-cleaning, load capacity, reducing coefficient of friction). Manufacturing of natural inspired surface requires having a great control over the process to achieve the micro or nano featu

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Grützmacher, Philipp G., Andreas Rosenkranz, Adam Szurdak, et al. "Multi-scale surface patterning – an approach to control friction and lubricant migration in lubricated systems." Industrial Lubrication and Tribology 71, no. 8 (2019): 1007–16. http://dx.doi.org/10.1108/ilt-07-2018-0273.

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Purpose The paper aims to investigate the possibilities to control friction in lubricated systems by surface patterning, making use of a multi-scale approach. Surface patterns inside the tribological contact zone tend to directly reduce friction, whereas surface patterns located in the close proximity of the contact area can improve the tribological performance by avoiding lubricant starvation and migration. Finally, optimized surface patterns were identified by preliminary laboratory tests and transferred to a journal bearing, thus testing them under more realistic conditions. Design/methodol

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Yao, Wenhui, Oi Lun Li, Young-Joon Kang, Myung-Yung Jeong, and Young-Rae Cho. "Impact of pillar configuration on the amphiphobicity of micro-patterned polymer surface." Vacuum 156 (October 2018): 115–22. http://dx.doi.org/10.1016/j.vacuum.2018.07.024.

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Hong, Juhee, Sujin Lee, Sukho Park, and Junghoon Lee. "Micro checkerboard patterned polymeric surface with discrete rigidity for studying cell migration." Journal of Micromechanics and Microengineering 25, no. 4 (2015): 045012. http://dx.doi.org/10.1088/0960-1317/25/4/045012.

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Korpela, Tarmo E., Janne Salstela, Mika Suvanto, and Tuula T. Pakkanen. "Periodically micro-patterned viscose fiber-reinforced polypropylene composites with low surface friction." Wear 310, no. 1-2 (2014): 20–26. http://dx.doi.org/10.1016/j.wear.2013.12.003.

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Winton, Brad R., Mihail Ionescu, Chris Lukey, Mark R. Wilson, Ivan P. Nevirkovets, and Shi X. Dou. "Micro-Patterned Surface Modification of Poly(dimethylsiloxane) (PDMS) Substrates for Tissue Engineering." Advanced Science Letters 4, no. 2 (2011): 431–36. http://dx.doi.org/10.1166/asl.2011.1858.

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TIAN, Ye, Yingjun WANG, Changren ZHOU, Qinghui ZENG, and Guoxin TAN. "PREPARATION AND CELL AFFINITY EVALUATION OF POLYLACTIDE FILM WITH MICRO-PATTERNED SURFACE." Acta Polymerica Sinica 00, no. 10 (2010): 1170–74. http://dx.doi.org/10.3724/sp.j.1105.2010.09363.

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Fu, G., and W. O. Soboyejo. "Cell/surface interactions of human osteo-sarcoma (HOS) cells and micro-patterned polydimelthylsiloxane (PDMS) surfaces." Materials Science and Engineering: C 29, no. 6 (2009): 2011–18. http://dx.doi.org/10.1016/j.msec.2009.03.017.

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Charitha, Rao, Rao Shrikantha, and Herbert Mervin. "Performance improvement studies for cutting tools with perforated surface in turning of titanium alloy." MATEC Web of Conferences 144 (2018): 03003. http://dx.doi.org/10.1051/matecconf/201814403003.

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In turning process, the cutting tool is essential for shaping materials. The cutting tools with various perforated surfaces help to increase the cutting tool life. Also, advances in CNC machining technologies have enhanced the productivity of machining process. One of the best or futuristic approaches in modern manufacturing engineering is the use of FEM Simulation for the metal cutting process. FEM simulation helps in understanding the metal deformation process and also helps in the reduction of experiments. The simulation helps the researchers to predict the major influencing cutting variabl

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Otsuka, H., T. Satomi, Koji Ueno, and Tetsuya Tateishi. "Nano-Fabricated Aligned Spheroid for Cartilage Tissue Engineering." Advances in Science and Technology 53 (October 2006): 67–69. http://dx.doi.org/10.4028/www.scientific.net/ast.53.67.

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Micropatterned PEGylated substrates with two-dimensional arrays of plasma-etched circular domains (diameter:100 micro-m) were prepared by coating of mercapto-functionalized poly(ethylene glycol) (PEG) on Au surface, followed by plasma-etching through a metal mask pattern with circular holes. The PEGylated region on the patterned substrate works to repel proteins, consequently, inhibits cell adhesion. Then the micro-patterning of bovine articular chondrocytes or rat primary hepatocytes hetero-spheroids underlaid with human umbilical endothelial cells (HUVEC) was achieved on the plasma-etched ci

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Yoshioka, Toshie, Takashi Miyoshi, and Yasuhiro Takaya. "Particle Detection for 100-nm Patterned Wafers by Evanescent Light Illumination – Analysis of Evanescent Light Scattering Using Finite-Difference Time-Domain Method –." Journal of Robotics and Mechatronics 18, no. 6 (2006): 705–13. http://dx.doi.org/10.20965/jrm.2006.p0705.

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Patterned wafer inspection technique is essential to high productivity and reliability in high-yield semiconductor manufacturing. Since circuit features are below 100nm, conventional imaging and light scattering methods cannot be applied to patterned wafer inspection technique due to the diffraction limit and the low S/N ratio. We propose a new particle detection method using annular evanescent light illumination. In this method, a converging annular beam used as a light source is incident to a micro-hemispherical lens. When the converging angle is greater than the critical angle, annular evan

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Costa, L., M. Al-Hashimi, M. Heeney, et al. "Template-Synthesis of Conjugated Poly(3-Hexylselenophene) (P3HS) Nanofibers Using Femtosecond Laser Machined Fused Silica Templates." MRS Advances 2, no. 51 (2017): 2957–60. http://dx.doi.org/10.1557/adv.2017.337.

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Abstract:We report on the preparation of conjugated polymer nanofibers via template-synthesis. A femtosecond laser machined fused silica template, with a micro-patterned array of high-aspect ratio surface nanopores, was first spin-coated with a polyvinyl alcohol (PVA) solution to form a water-soluble release layer. The PVA-lined template was then coated with a conjugated poly(3-hexylselenophene) (P3HS) – solvent solution. The solvent was allowed to dissipate, and the resulting {template / PVA liner / conjugated P3HS film} stack was then submerged in water to dissolve the PVA and release the co

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Chang, Siyuan, Xiaodong Chen, Shuo Jiang, Jinchun Chen, and Lin Shi. "Using micro-patterned surfaces to inhibit settlement and biofilm formation by Bacillus subtilis." Canadian Journal of Microbiology 63, no. 7 (2017): 608–20. http://dx.doi.org/10.1139/cjm-2016-0463.

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Biofilm is a biological complex caused by bacteria attachment to the substrates and their subsequent reproduction and secretion. This phenomenon reduces heat transfer efficiency and causes significant losses in treated sewage heat-recovering systems. This paper describes a physical approach to inhibit bacteria settlement and biofilm formation by Bacillus subtilis, which is the dominant species in treated sewage. Here, micro-patterned surfaces with different characteristics (stripe and cube) and dimensions (1–100 μm) were fabricated as surfaces of interest. Model sewage was prepared and a rotat

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Yun, Yeojun, Kangho Kim, and Jaejin Lee. "Ge Solar Cells with Micro-Rod Arrays: Structural and Optical Properties." Journal of Nanoscience and Nanotechnology 21, no. 8 (2021): 4347–52. http://dx.doi.org/10.1166/jnn.2021.19406.

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Ge single-junction solar cell structures are grown on micro-patterned Ge substrates using lowpressure metalorganic chemical vapor deposition. 300 nm high micro-rod arrays are formed on the p-Ge substrates using photolithography and dry etching techniques. The micro-rod arrays are designed with rod diameter varying from 5 to 15 μm and arranged in a hexagonal geometry with rod spacing varying from 2 to 12 μm. Ge p–n junction structures are fabricated by phosphorus atomic diffusion process on the micro-patterned Ge substrates. 100 nm thick InGaP window and 300 nm thick GaAs cap layers are grown t

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Lan, Shuyu, Hui Wan, Jie Zhao, and Shengjun Zhou. "Light Extraction Analysis of AlGaInP Based Red and GaN Based Blue/Green Flip-Chip Micro-LEDs Using the Monte Carlo Ray Tracing Method." Micromachines 10, no. 12 (2019): 860. http://dx.doi.org/10.3390/mi10120860.

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Micro-scale light emitting diodes (micro-LEDs) commonly employ a thin-film flip-chip (TFFC) structure whose substrate is lifted off by an excimer laser. However, flip-chip (FC) micro-LEDs with a substrate can provide a sharp rise on sidewall emission by increasing the sidewall area. Here, we investigate the influence of substrate thickness, encapsulation, surface texture, microstructures between the substrate and epilayer, as well as the size, cutting shape, and angle of the chip on the light extraction efficiencies (LEEs) of FC micro-LEDs by using the Monte Carlo ray tracing method. We find t

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Song, X., JZ Huang, Sam Oh, Atsushi Danno, and Sylvie Castagne. "Development of a form rolling micro surface texturing system for friction reduction application in the shaft component." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 231, no. 22 (2016): 4263–73. http://dx.doi.org/10.1177/0954406216661008.

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Surface texture is one of the most promising methods to achieve friction reduction in the mechanical components, and it has been rapidly developed in the last decade. The friction reduction mechanism of regularly patterned surface texture is widely considered to be lubricant retention and debris entrapment. There are many ways to manufacture micro surface texture, among which deformed-based micro-surface texturing is the least studied. However, it has many unique advantages that cannot be surpassed by the rest, such as high production efficiency, fine geometrical fidelity and smooth surface fi

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Yoshimoto, Keitaro, Ryota Kojima, Emiko Takahashi, Masahiro Ichino, Hirotoshi Miyoshi, and Yukio Nagasaki. "3D Cell Co-culture System on Hydrogel Micro-Patterned Surface Fabricated by Photolithography." Journal of Photopolymer Science and Technology 25, no. 1 (2012): 47–52. http://dx.doi.org/10.2494/photopolymer.25.47.

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Ye, Qun, Peng Xiao, Wulong Liu, et al. "Exploring the potential of exfoliated ternary ultrathin Ti4AlN3 nanosheets for fabricating hybrid patterned polymer brushes." RSC Advances 5, no. 86 (2015): 70339–44. http://dx.doi.org/10.1039/c5ra09227b.

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A new type of ternary Ti<sub>4</sub>AlN<sub>3</sub> nanosheets was prepared for the first time. The obtained sheets with surface groups could be further used to fabricate micro-patterns and subsequently functionalized to achieve hybrid patterned polymer brushes.

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Chen, Tao, Debby P. Chang, Rainer Jordan, and Stefan Zauscher. "Colloidal lithography for fabricating patterned polymer-brush microstructures." Beilstein Journal of Nanotechnology 3 (May 15, 2012): 397–403. http://dx.doi.org/10.3762/bjnano.3.46.

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We exploit a series of robust, but simple and convenient colloidal lithography (CL) approaches, using a microsphere array as a mask or as a guiding template, and combine this with surface-initiated atom-transfer radical polymerization (SI-ATRP) to fabricate patterned polymer-brush microstructures. The advantages of the CL technique over other lithographic approaches for the fabrication of patterned polymer brushes are (i) that it can be carried out with commercially available colloidal particles at a relatively low cost, (ii) that no complex equipment is required to create the patterned templa

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Cuong, Le Viet, Pham Duc Thang, and Nguyen The Hien. "A Simple Process to Fabricate Micro Flux Sources with High Magnetic Field Gradient." Communications in Physics 24, no. 3S1 (2014): 85–89. http://dx.doi.org/10.15625/0868-3166/24/3s1/5225.

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In this paper, we present a fabrication process to produce the micro-sized magnetic structures based on the hard magnetic powders. Under the magnetic field originated from a micro patterned hard magnetic film, these magnetic powders are magnetically aligned to form arrays of the micro magnets on a polydimethysiloxane (PDMS) substrate. The high magnetic field gradient and stable magnetic flux can be obtained at certain micro-sized area on the surface of the micro magnets. The fabricated structures have been used for trapping iron oxide particles. Generally this fabrication process is simple, lo

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