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1

Dawson, Nathan J., Yunli Lu, Zoe Lowther, Jacob Abell, Nicholas D. Christianson, Aaron W. Weiser, and Gioia Aquino. "Low-cost automated spin coater and thermal annealer for additive prototyping of multilayer Bragg reflectors." American Journal of Physics 91, no. 1 (January 2023): 48–55. http://dx.doi.org/10.1119/5.0088776.

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Анотація:
We present and implement a design for an automated system that fabricates multilayer photonic crystal structures. The device is constructed with low-cost materials. A polystyrene/cellulose acetate multilayer Bragg reflector was fabricated to confirm the device's capability. A distributed feedback laser was also fabricated and characterized. The system has also been used to fabricate microlasers for a Modern Physics laboratory assignment in which students measure fluorescence, amplified spontaneous emission, lasing from one-dimensional Bragg reflectors, and lasing from scattering media.
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2

Dou, Wei, Ziwei Yin, Yi Zhang, Huiyong Deng, and Ning Dai. "Two-Dimensional Perovskite (PEA)2PbI4 Two-Color Blue-Green Photodetector." Nanomaterials 12, no. 15 (July 25, 2022): 2556. http://dx.doi.org/10.3390/nano12152556.

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Анотація:
Perovskite materials have been widely used to fabricate solar cells, laser diodes and other photodevices, owing to the advantage of high absorption coefficient, long carrier life and shallow defect energy levels. However, due to easy hydrolysis, it is difficult to fabricate perovskite micro-nano devices. Herein, we developed a water-free device fabrication technology and fabricated a two-dimensional (C6H5C2H4NH3)2PbI4 ((PEA)2PbI4) two-color blue-green light detector, which exhibits high detection performance under the illumination of two-color lasers (λ = 460 nm, 532 nm). Compared with bulk devices, the dark current of the fabricated devices (10−11 A) was reduced by 2 orders of magnitude. The peak responsivity and detectivity are about 1 A/W and 1011 Jones, respectively. The photodetection performance of the device is basically the same under the two-color lasers. Our results provide a new process to fabricate perovskite microelectronic devices, and the fabricated photodetector shows great application prospects in underwater detection, owing to the blue-green window existing in water.
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3

Ali, A. "Fabricated illness." British Dental Journal 206, no. 5 (March 2009): 239. http://dx.doi.org/10.1038/sj.bdj.2009.173.

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4

Gundry, Lucy. "Fabricated Skins." TEXTILE 6, no. 3 (November 2008): 286–91. http://dx.doi.org/10.2752/175183508x377654.

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5

Márquez Reiter, Rosina. "Fabricated ignorance." Pragmatics. Quarterly Publication of the International Pragmatics Association (IPrA) 23, no. 4 (December 1, 2013): 661–84. http://dx.doi.org/10.1075/prag.23.4.04mar.

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Анотація:
In this article I examine a negotiating strategy observed in telephone calls made by (prospective) clients to the Latin American call centre operation of a multinational company specialised in holiday time-shares. Through this strategy, which I have termed ‘fabricated ignorance’, the (prospective) clients show an unawareness of how the system works in order to gain access to information, services, or benefits that they are not, in theory, entitled to. They do so, among other things, by formulating pre-sequences designed to address a gap in knowledge as a way of dealing with the possibility of their requests being rejected. Essentially, the callers approach the interactions displaying only partial knowledge of the system and manage the conversations in such a way that the agents will be induced to have a false notion of what is going on. I contend that service operationalization, which positions the (prospective) clients as information-disadvantaged relative to the agents, coupled with unfair commercial practices leads them to pursue ways of counterbalancing such imbalances providing thus fertile ground for the emergence of this strategy. Fabricated ignorance is a (prospective) client’s way of sizing up opportunities. Sizing up entails a participant’s assessment of where the interaction is leading, an estimation of the extent to which is conducive to meeting the participant’s goals and the steps that might be needed to achieve them. One avenue for achieving this aim is judging the moment in the encounter when it might be potentially more convenient to make their move and to act out an uninformed stance.
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6

Robinson, R. H. M. "FABRICATED SHIPS†." Journal of the American Society for Naval Engineers 30, no. 2 (March 18, 2009): 407–10. http://dx.doi.org/10.1111/j.1559-3584.1918.tb02508.x.

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7

Yeo, Giselle C., Behnaz Aghaei-Ghareh-Bolagh, Edwin P. Brackenreg, Matti A. Hiob, Pearl Lee, and Anthony S. Weiss. "Fabricated Elastin." Advanced Healthcare Materials 4, no. 16 (March 13, 2015): 2530–56. http://dx.doi.org/10.1002/adhm.201400781.

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8

Yeo, Giselle C., Behnaz Aghaei‐Ghareh‐Bolagh, Edwin P. Brackenreg, Matti A. Hiob, Pearl Lee, and Anthony S. Weiss. "Fabricated Elastin." Advanced Healthcare Materials 7, no. 23 (December 2018): 1801342. http://dx.doi.org/10.1002/adhm.201801342.

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9

LEE, JIN HYOUNG, and WOUNJHANG PARK. "THREE-DIMENSIONAL METALLIC PHOTONIC CRYSTAL BASED ON SELF-ASSEMBLED GOLD NANOSHELLS." Functional Materials Letters 01, no. 01 (June 2008): 65–69. http://dx.doi.org/10.1142/s1793604708000125.

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Анотація:
Three-dimensional metallic photonic crystal is fabricated by self-assembly of gold nanoshells. In order to fabricate highly ordered crystal structure, fabrication parameters such as silica coating thickness, the zeta potential and the concentration of gold nanoshells are carefully controlled and optimized. Highly ordered gold nanoshell opal is fabricated and its structural and optical properties are presented.
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10

Hangai, Yoshihiko, Ryusei Kobayashi, Ryosuke Suzuki, Masaaki Matsubara, and Nobuhiro Yoshikawa. "Aluminum Foam-Filled Steel Tube Fabricated from Aluminum Burrs of Die-Castings by Friction Stir Back Extrusion." Metals 9, no. 2 (January 24, 2019): 124. http://dx.doi.org/10.3390/met9020124.

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Анотація:
A mixture of Al burrs of Al high-pressure die-castings and a blowing agent powder was used to fabricate Al foam-filled steel tubes by friction stir back extrusion (FSBE). It was shown that the mixture can be sufficiently consolidated to form an Al precursor that is coated on the inner surface of a steel tube by the plastic flow generated during FSBE. Namely, a precursor coated steel tube can be fabricated from Al burrs by FSBE. By heat treatment of the precursor coated steel tube, an Al foam-filled steel tube can be fabricated. Al foam was sufficiently filled in the steel tube, and the porosity was almost homogeneously distributed in the entire sample. In compression tests of the samples, the Al foam-filled steel tube fabricated from Al burrs exhibited similar compression properties to an Al foam-filled steel tube fabricated from the bulk Al precursor. Consequently, it was shown that an Al foam-filled steel tube cost-effectively fabricated from Al burrs by FSBE compares favorably with an Al foam-filled steel tube fabricated from the bulk Al precursor.
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11

Samanta, Swagata, Pallab Banerji, and Pranabendu Ganguly. "Focused Ion Beam Fabrication of SU-8 Waveguide Structures on Oxidized Silicon." MRS Advances 2, no. 18 (2017): 981–86. http://dx.doi.org/10.1557/adv.2017.89.

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Анотація:
ABSTRACTThis work deals with SU-8 waveguides and waveguide structures fabricated on an oxidized silicon substrate using ‘Focused ion beam (FIB) lithography’. From our experimentation it seems that FIB method is practically not suitable for fabricating long SU-8 waveguide structures, rather it is more suitable for nanoscale modification of already fabricated waveguides, such as, to fabricate photonic crystal structures.
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12

Hwang, So-Ree, and Min-Soo Park. "Property Analysis of Photo-Polymerization-Type 3D-Printed Structures Based on Multi-Composite Materials." Applied Sciences 11, no. 18 (September 14, 2021): 8545. http://dx.doi.org/10.3390/app11188545.

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Анотація:
Additive manufacturing, commonly called 3D printing, has been studied extensively because it can be used to fabricate complex structures; however, polymer-based 3D printing has limitations in terms of implementing certain functionalities, so it is limited in the production of conceptual prototypes. As such, polymer-based composites and multi-material 3D printing are being studied as alternatives. In this study, a DLP 3D printer capable of printing multiple composite materials was fabricated using a movable separator and structures with various properties were fabricated by selectively printing two composite materials. After the specimen was fabricated based on the ASTM, the basic mechanical properties of the structure were compared through a 3-point bending test and a ball rebound test. Through this, it was shown that structures with various mechanical properties can be fabricated using the proposed movable-separator-based DLP process. In addition, it was shown that this process can be used to fabricate anisotropic structures, whose properties vary depending on the direction of the force applied to the structure. By fabricating multi-joint grippers with varying levels of flexibility, it was shown that the proposed process can be applied in the fabrication of soft robots as well.
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13

Shimizu, Jun, Libo Zhou, Takeyuki Yamamoto, Hirotaka Ojima, Teppei Onuki, and Han Huang. "Mold Pattern Fabrication by Nanoscratching." International Journal of Automation Technology 7, no. 6 (November 5, 2013): 686–93. http://dx.doi.org/10.20965/ijat.2013.p0686.

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Анотація:
MEMS technologies for various nano/micro-devices often requires special facilities and complicated,multistage processes. The fabrication cost is thus extremely high. Consequently, alternative solutions have been sought, and NanoImprint Lithography (NIL) is one of the potential solutions. To date, the nano/micromolds for NIL are mainly fabricated using photolithography or focused ion beams. However, such beam methods generally make use of special instruments and require a long time to draw precise patterns. Thus, this study aims to fabricate nanoscale structures on monocrystalline silicon substrates using nanoscratching, which can potentially be used to fabricate nano/micro-molds for NIL. This paper discusses how various nano/micro-scale structures such as lineand-space, single-layer, and multiple-layer structures were fabricated on a silicon substrate using nanoscratching by an atomic force microscope equipped with a sharp probe made of monocrystalline diamond. Subsequent chemical etching was also conducted on the fabricated groove patterns to enlarge the depth of the fabricated groove patterns. The results confirmed that the groove was deepened several times, with only a slight increase in its width. A nanoimprint experiment was also carried out, and the line-and-space patterns were duplicated successfully on a polycarbonate resin film.
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14

Zhu, Bao Guo, Zhen Long Wang, and Bao Xian Jia. "Fabrication of Cylindrical Tungsten Microelectrode by Electrical Machining." Key Engineering Materials 375-376 (March 2008): 298–302. http://dx.doi.org/10.4028/www.scientific.net/kem.375-376.298.

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Анотація:
Developed with micro technology, the microelectrode is the key manufacture technique. The micro electrical machining, mainly including micro electrical discharge machining (EDM) and electrochemical machining (ECM), is one of the important technologies of microelectrode fabrication. Firstly, the microelectrode was fabricated with a counter block of EDM while the cylindrical tungsten electrode fed along radius and its axis. Then the fabrication technology of ECM was also introduced. The pulses power supply and the non-passivation electrolyte were used. The cylindrical tungsten electrode also can be served as the probe of the scanning probe microscopy, which fabricated by ECM. Through comparisons, the surface roughness, machining efficiency, and machining capability of the microelectrode fabricated by ECM are better than those of the microelectrode fabricated by EDM, but the shape and the microhardness are worse than those of the microelectrode fabricated by EDM. Both of them can fabricate the cylindrical tungsten microelectrodes with several micrometers diameter.
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15

Kimura, Yasuhiro, and Masumi Saka. "Fabrication of Multiple Al Micro-Materials by Electromigration Using a Comb Pattern and a Conductive Passivation Film." Advanced Materials Research 909 (March 2014): 36–40. http://dx.doi.org/10.4028/www.scientific.net/amr.909.36.

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Анотація:
Electromigration (EM) is the phenomenon of atomic diffusion in a metallic film with a high-density electron flow. Our group used EM to fabricate Al micro-materials. The EM technique can be used to fabricate micro-materials with a high aspect ratio, pure metal components, an arbitrary form, and a single-crystal structure. Recently, two micro-materials have been simultaneously fabricated using an array pattern consisting of parallel or series connections. However, multiple micro-materials have not been fabricated simultaneously thus far. In this study, a new comb sample pattern was used with a conductive passivation film to produce multiple Al micro-materials.
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16

Dai, Qiu Lian. "Properties of Al-Based Matrix and Diamond Composites Fabricated by Semi-Solid Metal Processing." Advanced Materials Research 396-398 (November 2011): 440–45. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.440.

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Анотація:
In this paper, semi-solid metal (SSM) processing was first applied to fabricate Al-based matrix and diamond composites. A kind of Al-Cu alloy with an adequate solidification range was chosen. Samples of Al-Cu alloys were fabricated by rheocasting with different processing parameters. Specimens of Al-based matrix and diamond composites were fabricated by rheocasting and hot press sintering technology respectively. Microstructures, transverse rupture strength (TRS), hardness and wear resistance were studied. Experimental results revealed that the TRS of the Al-based matrix and diamond composites fabricated by rheocasting increased by 157% and 115% respectively compared to the ones fabricated by hot press sintering technology. The fracture surfaces of the rheocasting specimens exhibited ductile cup and cone behavior as well as strong bonding between the matrix and diamond grits.
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17

Singh, Jagtar, and Pulak M. Pandey. "Process optimization for rapid manufacturing of complex geometry electrical discharge machining electrode." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 1 (September 12, 2019): 66–81. http://dx.doi.org/10.1177/0954406219874845.

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Анотація:
Rapid manufacturing techniques permit tools and dies to be fabricated in short duration of time with complex geometry. The major contribution of the present research was to fabricate copper complex geometry electric discharge machining electrode by using amalgamation of three-dimensional printing along with pressureless loose sintering. Response surface methodology was employed to study the sintering parameters’ (sintering temperature, heating rate and soaking time) effect on electric discharge machining electrode important characteristics such as density, shrinkage and electrical conductivity. Analysis of variance was used to investigate the significant contribution of the parameters on the responses. Density and electrical conductivity of fabricated electric discharge machining electrode were revealed to increase with respect to rise in soaking time and sintering temperature. The interaction between the heating rate and sintering temperature for density and electrical conductivity responses signified the less effect of heating rate at high temperatures. Further, multi-objective optimization was used to maximize density and electrical conductivity and to minimize volumetric shrinkage. Different shapes of electric discharge machining electrodes were fabricated at optimized parameters. In addition, the fabricated electrodes were tested on electric discharge machining of D2 steel for 5 mm depth. The dimensional analysis was carried out between the computer aided design (CAD) model, fabricated electric discharge machining electrode and the obtained cavity by electric discharge machining process. The results depicted high efficacy of the process to fabricate complex geometry electric discharge machining electrodes.
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18

Huang, Liufei, Rui Li, Yaoning Sun, Denggao Guan, Chuanhui Liang, Chunli Jiang, Jun Chen, Dou Wang, and Jinfeng Li. "A Solution to the Hot Cracking Problem and Anisotropic Mechanical Properties for Directed Energy Deposition FeCoNiCr Multi-Principal-Element Alloy." Metals 12, no. 10 (September 23, 2022): 1581. http://dx.doi.org/10.3390/met12101581.

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Анотація:
In this paper, a laser-based directed energy deposition (DED) technique is used to fabricate FeCoNiCr and CrMnFeCoNi multi-principal-element alloys (MPEAs). Comparing the above samples, the FeCoNiCr samples with coarse columnar grains cracked, while the CrMnFeCoNi samples with equiaxed grain were crack-free. The strategy that removes cracks is to induce a columnar-grain-to-equiaxed-grain transition (CET) with Mn addition to offer more grain boundaries to withstand residual stress in the process of DED-fabricated FeCoNiCr and to help minimize hot cracking. Furthermore, the yield strength, tensile strength, and tensile ductility of the DED-fabricated CrMnFeCoNi obviously improved compared with the DED-fabricated CoCrFeNi and exhibited better isotropic mechanical properties. The present work provides a novel strategy to utilize CET for resisting crack propagation in the process DED-fabricated MPEAs and improvement in mechanical properties of MPEAs.
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19

Peng, Gang, Zhijie Zhu, Yu Tian, Yu-long Tong, Ting-Ting Cui, Cai-Feng Wang, and Su Chen. "Dendrimer-induced colloids towards robust fluorescent photonic crystal films and high performance WLEDs." Journal of Materials Chemistry C 6, no. 30 (2018): 8187–93. http://dx.doi.org/10.1039/c8tc02484g.

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20

Singhal, Richa, and Vibha Kalra. "Using common salt to impart pseudocapacitive functionalities to carbon nanofibers." Journal of Materials Chemistry A 3, no. 1 (2015): 377–85. http://dx.doi.org/10.1039/c4ta05121a.

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21

He, Huirong, Jida Chen, Shengtao Zhang, Minhui Liao, Lingxing Li, Wei He, Yuanming Chen, and Shijin Chen. "Fabrication and surface treatment of fine copper lines for HDI printed circuit board with modified full-additive method." Circuit World 43, no. 3 (August 7, 2017): 131–38. http://dx.doi.org/10.1108/cw-02-2017-0004.

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Анотація:
Purpose This paper aims to propose a modified full-additive method (MFAM) to fabricate fine copper lines for high density interconnection (HDI) printed circuit boards (PCBs). In addition, the surface of the fine copper lines is treated with a brown oxidation process to obtain good adhesion between the copper and the dielectric resin. Design/methodology/approach Fine copper lines fabricated by MFAM were observed to evaluate the undercut quality, in comparison to undercut quality of copper lines fabricated by the semi-additive method and the subtractive method. The effect of the thickness of the dry film on the quality of the copper plating was investigated to obtain the regular shape of fine lines. The fine copper lines treated with the brown oxidation process were also examined to generate a coarse surface microstructure to improve the adhesion between the copper and the dielectric resin. The cross section and surface of as-fabricated fine copper lines were characterized using an optical microscope, a scanning electron microscope and an atomic force microscope. Findings MFAM has the potential to fabricate high-performance fine copper lines for HDI PCBs. Undercut of as-fabricated fine copper lines could be prevented to meet the design requirement of impedance. In addition, fine copper lines exhibit enough adhesive force to laminate with dielectric resin after the brown oxidation process. Originality/value MFAM, with the advantages of high efficiency and being a facile process, is developed to fabricate high-quality fine copper lines for industrial HDI PCB manufacture.
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22

Koppunur, Rakesh, Kiran Kumar Dama, Uzwalkiran Rokkala, Balaji Thirupathi, N. V. S. S. Sagar, and Bhiksha Gugulothu. "Design and Fabrication of Patient-Specific Implant for Maxillofacial Surgery Using Additive Manufacturing." Advances in Materials Science and Engineering 2022 (August 28, 2022): 1–7. http://dx.doi.org/10.1155/2022/7145732.

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Анотація:
Patient-specific implants are well known for fixing the fracture for bone repairs. However, the exact fixation of the fabricated implant to the patients is a challenging task. To overcome this problem, in the present study two kinds of designs are developed and fabricated. Based on the exact fitting to the patient’s oral system, the best design is selected to fabricate. Computed tomography (CT) scan data of the patient oral anatomy is converted into a 3D model using the DICOM Software “Slicer 3D.” The patient-specific maxillofacial implant is fabricated using fused filament fabrication (FFF) and direct metal laser sintering (DMLS) techniques. Before fabricating real time product, a prototype is fabricated at the initial stage using FFF. Later, stress distribution and displacement of the implant was investigated using a FEM simulation. The conclusion of the present work results are potential for FFF of patient-specific implants out of Ti-6Al-4V.
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23

KIM, JONG HO, HARIS MASOOD ANSARI, HANEUL KIM, DO KYUNG KIM, and SOON NAM CHANG. "EXPLOSIVE INDENTATION STUDY OF B4C-TiAlx COMPOSITES FABRICATED BY THE DIPPING EXOTHERMIC REACTION PROCESS." International Journal of Modern Physics B 22, no. 09n11 (April 30, 2008): 1263–68. http://dx.doi.org/10.1142/s0217979208046633.

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Анотація:
The aim of this study is to fabricate a high volume fraction B 4 C -reinforced intermetallic matrix composite by the dipping exothermic reaction process and investigate the shock impact damage response of composites by explosive indentation experiment. It has been shown that the final microstructure of the dipping exothermic reaction process-fabricated composite can be tailored by treatment of the constituent powders and post heat treatment. The hardness and impact damage resistance of the fabricated composites were evaluated.
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24

Zeng, X., Z. Cai, and X. Li. "An additive method to fabricate conductive lines and electronic components directly by laser microcladding electronic materials." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 224, no. 5 (November 9, 2009): 1087–98. http://dx.doi.org/10.1243/09544062jmes1771.

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Анотація:
In this article, a laser direct-write method to fabricate conductive lines and electronic components on insulating boards by using laser microcladding electronic materials is reported. A workstation for implementing this direct-write method was developed, which integrated material deposition (micropen) and laser processing on a single machine. With the computer-aided design/computer-aided manufacturing (CAD/CAM) capability of the workstation, conductive lines, resistors, capacitors, inductors, and thick-film sensors with different patterns were fabricated successfully by this technique in air without mask and with high deposition rates. The minimum widths of the conductive lines and other functional materials were much less than those obtained by the conventional screen printing method. The experimental results demonstrated that passive components and thick-film sensors made by this method have the same properties as those made by conventional thick-film methods, whereas thick films fabricated by this method have much lower widths than those fabricated by the conventional thick-film method. This technique provides a novel method to fabricate the conductive lines and electronic components with high precision and high speed.
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25

Arriaga, Laura R., Yuting Huang, Shin-Hyun Kim, Juan L. Aragones, Roy Ziblat, Stephan A. Koehler, and David A. Weitz. "Single-step assembly of asymmetric vesicles." Lab on a Chip 19, no. 5 (2019): 749–56. http://dx.doi.org/10.1039/c8lc00882e.

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26

Matsuda, Shuto, Tadashi Fujii, Naoya Nakada, Tomoaki Karaki, and Tatsunori Kakuda. "Fabrication of Three-Dimensional Piezoelectric Ceramics Using the Dispenser System." Journal of Microelectronics and Electronic Packaging 16, no. 3 (July 1, 2019): 136–40. http://dx.doi.org/10.4071/imaps.945561.

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Анотація:
Abstract We fabricated lead-free (K,Na,Li)NbO3 (KNLN) and BaTiO3 (BT) piezoelectric ceramics using a dispenser system. After dissolving polyvinyl butyral in ethanol, a paste for extrusion was fabricated by mixing KNLN or BT ceramic powders. After several times of paste extrusion with a dispenser system, degreasing was performed at 650°C. The KNLN moldings were sintered, at 1,100–1,170°C, and sintering of BT moldings were performed by two-step sintering at 1,320°C and 1,150°C. From the x-ray diffraction pattern, the fabricated KNLN ceramics had a perovskite structure. The density of the KNLN and BT moldings fabricated by the dispenser system was 3.94 and 5.42 g/cm3, respectively. In addition, the BT moldings had the dielectric constant εr = 1.95 × 103. The Curie temperature of the BT moldings was confirmed at about 125°C, as with the BT piezoelectric ceramics fabricated by uniaxial pressure molding. The BT moldings had the piezoelectric constant d33 = 60 pC/N. The fabrication methods studied in this work provided the potential to fabricate simple three-dimensional piezoelectric ceramic devices for applications in acoustic wave sensors.
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27

Patel, Dinesh K., Alexander Kamyshny, Ariando Ariando, Huang Zhen, and Shlomo Magdassi. "Fabrication of transparent conducting films composed of In3+ doped CuS and their application in flexible electroluminescent devices." Journal of Materials Chemistry C 3, no. 33 (2015): 8700–8705. http://dx.doi.org/10.1039/c5tc01283j.

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28

Le Gac, Séverine. "Endless forms fabricated." Nature Physics 17, no. 7 (March 22, 2021): 767–68. http://dx.doi.org/10.1038/s41567-021-01214-2.

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29

Yahuda, Michael. "The fabricated conspiracy." Index on Censorship 18, no. 8 (September 1989): 17–19. http://dx.doi.org/10.1080/03064228908534698.

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30

Snyder, Scott. "Fabricated ‘eating disorder’." Psychosomatics 27, no. 9 (September 1986): 662. http://dx.doi.org/10.1016/s0033-3182(86)72635-2.

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31

Dezsériné, Mária Major. "Aluminium fabricated products." Resources Policy 12, no. 3 (September 1986): 258–68. http://dx.doi.org/10.1016/0301-4207(86)90036-x.

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32

Arima, Hiroyuki, Takuya Ito, and Kensuke Nishioka. "Hydrophilic Silica Thin Film Formed Using Dimethyl Silicone Oil and Ozone." Advanced Materials Research 893 (February 2014): 524–27. http://dx.doi.org/10.4028/www.scientific.net/amr.893.524.

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Анотація:
In order to fabricate the SiO2 thin film using dimethyl silicone oil and ozone on protective covering glass for solar panels, the hydrophilicity and the transmittance of the film was investigated. We fabricated the film at different temperatures of 150°C, 175°C, 200°C, 225°C and 250°C on the glass substrates. The hydrophilicity of the film fabricated at 150°C showed very good hydrophilicity (water contact angle: ~8°), and transmittance was improved compared to the non-coated glass.
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33

OUNPANICH, Duangporn, Yukio MIYASHITA, Yoshiharu MUTOH, and Kenji YOSHII. "113 Fatigue Strength of Fabricated Structure Steel." Proceedings of the Materials and processing conference 2006.14 (2006): 37–38. http://dx.doi.org/10.1299/jsmemp.2006.14.37.

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34

Mohamedkhair, Amar Kamal, Abbas Saeed Hakeem, Qasem Ahmed Drmosh, Abdul Samad Mohammed, Mirza Murtuza Ali Baig, Anwar Ul-Hamid, Mohammed Ashraf Gondal, and Zain Hassan Yamani. "Fabrication and Characterization of Transparent and Scratch-Proof Yttrium/Sialon Thin Films." Nanomaterials 10, no. 11 (November 18, 2020): 2283. http://dx.doi.org/10.3390/nano10112283.

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Анотація:
Transparent and amorphous yttrium (Y)/Sialon thin films were successfully fabricated using pulsed laser deposition (PLD). The thin films were fabricated in three steps. First, Y/Sialon target was synthesized using spark plasma sintering technique at 1500 °C in an inert atmosphere. Second, the surface of the fabricated target was cleaned by grinding and polishing to remove any contamination, such as graphite and characterized. Finally, thin films were grown using PLD in an inert atmosphere at various substrate temperatures (RT to 500 °C). While the X-ray diffractometer (XRD) analysis revealed that the Y/Sialon target has β phase, the XRD of the fabricated films showed no diffraction peaks and thus confirming the amorphous nature of fabricated thin films. XRD analysis displayed that the fabricated thin films were amorphous while the transparency, measured by UV-vis spectroscopy, of the films, decreased with increasing substrate temperature, which was attributed to a change in film thickness with deposition temperature. X-ray photoelectron spectroscopy (XPS) results suggested that the synthesized Y/Sialon thin films are nearly homogenous and contained all target’s elements. A scratch test revealed that both 300 and 500 °C coatings possess the tough and robust nature of the film, which can resist much harsh loads and shocks. These results pave the way to fabricate different Sialon doped materials for numerous applications.
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35

Chen, Lan. "Manufacture Probe with EDM Single Pulse Discharge Research." Advanced Materials Research 291-294 (July 2011): 3069–72. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.3069.

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Анотація:
This paper presents a new method to fabricate tungsten microelectrode in a single pulse electrical discharge. The electrode material, diameter and polarity affect the shape of probe. The 80μm diameter tungsten wire between 500 and 600μF capacitance can be fabricated in 1μm tungsten electrode probe tip. The experiment use different material such as W, Cu and Mo. Finally, in the condition of “negative pole machining”, only tungsten can be used to make probe. It can greatly shorten the microelectrode fabrication time and effectively improve the reliability of the microelectrode and can fabricate a nanometer level tip in general electrical discharge machining (EDM) machine tool not add any other apparatus. The fabricated microelectrode can be used as a probe for scanner and measurement devices.
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36

Ohsone, Wataru, Jun Shimizu, Li Bo Zhou, Hirotaka Ojima, Teppei Onuki, Takeyuki Yamamoto, and Han Huang. "Mold Fabricated by Nanoscratching for Nanoimprint Lithography." Advanced Materials Research 126-128 (August 2010): 843–48. http://dx.doi.org/10.4028/www.scientific.net/amr.126-128.843.

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Анотація:
The MEMS technology for various nano/micro devices often requires special facilities and complicated and multistage processes, thus the fabrication cost is extremely high. This research aimed to fabricate nanoscale basic structures on silicon substrates using nanoscratching, which can be potentially used to make nano/micro molds for nanoimprint lithography. In this study, various nano/micro-scale structures, such as groove and, single and multiple layer structures were generated on the silicon substrate using an atomic force microscope equipped with a sharp probe made of monocrystalline diamond. The nanoimprint experiment was also performed using the fabricated single-step mold and silicon-resin to fabricate single island structures.
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37

Tsuchitani, Shigeki, Kunitomo Kikuchi, Ippei Shimizu, Tomohisa Taniguchi, and Hirofumi Miki. "IPMC Actuators Fabricated Using MEMS Technology." Advances in Science and Technology 97 (October 2016): 57–60. http://dx.doi.org/10.4028/www.scientific.net/ast.97.57.

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Анотація:
Fabrication of ionic polymer metal composite (IPMC) on Si substrate and micromachining of IPMC are basic technologies for developing MEMS devices using IPMC. Adhesion of IPMC with the substrate is essential to fabricate IPMC on the substrate. Swelling of IPMC with water makes IPMC peel from the substrate due to the internal stress. To enlarge adhesion force of IPMC with the Si substrate, we have fabricated IPMC on an anodic-oxidized porous Si surface, which dramatically increased adhesion area between the IPMC and the substrate. Fabricated IPMC didn't peel from the Si substrate during the operation in water. Photolithography is a key technology in MEMS fabrication. However, water and organic solvents used in the fabrication process also swell IPMC and lower machining accuracy. We have developed a machining technology of microminiaturized IPMC by mainly using dry processes: reactive ion etching of Nafion film through metal mask, and a selective electrode formation using a plasma irradiation on Nafion and an electroless gold plating. An array of IPMCs with a width of 100 μm was fabricated and their operations in water were confirmed.
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38

Zhang, Jing, Hong Lin, Jian Bao Li, Xin Li, and Xiao Chong Zhao. "DSCs Modules Fabricated by Screen Printing." Key Engineering Materials 434-435 (March 2010): 638–41. http://dx.doi.org/10.4028/www.scientific.net/kem.434-435.638.

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Анотація:
Screen printing has been considered to be the simplest and quickest way to fabricate dye- sensitized solar cells (DSCs) modules for an assembly line. 20cm×10cm DSCs modules with W-type series connection and parallel connection were fabricated. The whole fabricating process was all operated by screen-printing except for the injection of electrolyte. The optimized TiO2 electrode thickness, sealant thickness and platinum counter electrode thickness were investigated. The modules showed a reliable performance.
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39

Min, Soo-Hong, Ying-Jun Quan, Su-Young Park, Gil-Yong Lee, and Sung-Hoon Ahn. "Interoperable Nanoparticle Sensor Capable of Strain and Vibration Measurement for Rotor Blade Monitoring." Sensors 21, no. 11 (May 24, 2021): 3648. http://dx.doi.org/10.3390/s21113648.

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Анотація:
Recent advances in nanomaterials technology create the new possibility to fabricate high performance sensors. However, there has been limitations in terms of multivariate measurable and interoperable sensors. In this study, we fabricated an interoperable silver nanoparticle sensor fabricated by an aerodynamically focused nanomaterial (AFN) printing system which is a direct printing technique for inorganic nanomaterials onto a flexible substrate. The printed sensor exhibited the maximum measurable frequency of 850 Hz, and a gauge factor of 290.62. Using a fabricated sensor, we evaluated the sensing performance and demonstrated the measurement independency of strain and vibration sensing. Furthermore, using the proposed signal separation algorithm based on the Kalman filter, strain and vibration were each measured in real time. Finally, we applied the printed sensor to quadrotor condition monitoring to predict the motion of a quadrotor.
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40

Mbotshwa, Cosygyn, Felix Mazunga, and Joseph Singadi. "Design, Fabrication and Testing of an Ultra-Wide Band Bowtie Antenna for Wireless Radar (UHF, L and S Band) Communication." International Journal of Advanced Networking and Applications 14, no. 01 (2022): 5261–65. http://dx.doi.org/10.35444/ijana.2022.14104.

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Анотація:
A low-cost and light-weight ultra-wideband bowtie antenna for radar applications was simulated, fabricated and tested. A concise and easy to follow step-by-step description of the performed bowtie antenna simulation in Ansys HFSS software is presented. Optimized antenna parameters were utilized to fabricate the antenna. Fabrication was achieved by utilizing an FR4 PCB. The prototype was tested using a spectrum analyzer. The fabricated bowtie antenna results were used to validate the simulation results. The results obtained from the simulation platform were in close agreement to those of the prototype antenna. Results on effect of substrate thickness and frequency on S11 are also presented. The prototype produced improved overall S11 as compared to the simulation. The results indicate that the fabricated antenna satisfies bandwidth requirements for the UHF, L and S bands.
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41

Umenne, Patrice. "AFM Analysis of Micron and Sub-Micron Sized Bridges Fabricated Using the Femtosecond Laser on YBCO Thin Films." Micromachines 11, no. 12 (December 8, 2020): 1088. http://dx.doi.org/10.3390/mi11121088.

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Анотація:
The research arose as a result of the need to use the femtosecond laser to fabricate sub-micron and nano-sized bridges that could be analyzed for the Josephson effect. The femtosecond laser has a low pulse duration of 130 femtoseconds. Hence in an optical setup it was assumed that it could prevent the thermal degradation of the superconductive material during fabrication. In this paper a series of micron and sub-micron sized bridges where fabricated on superconductive yttrium barium copper oxide (YBCO) thin film using the femtosecond laser, a spherical convex lens of focal length 30 mm and the G-code control programming language applied to a translation stage. The dimensions of the bridges fabricated where analyzed using the atomic force microscope (AFM). As a result, micron sized superconductive bridges of width 1.68 μm, 1.39 μm, 1.23 μm and sub-micron sized bridges of width 858 nm, 732 nm where fabricated. The length of this bridges ranged from 9.6 μm to 12.8 μm. The femtosecond laser technique and the spherical convex lens can be used to fabricate bridges in the sub-micron dimension.
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42

Mapato, Manot, Prapong Klysuban, Thanatchai Kulworawanichpong, and Nimit Chomnawang. "Metal-embedded SU-8 Slab Techniques for Low-resistance Micromachined Inductors." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (December 1, 2018): 4772. http://dx.doi.org/10.11591/ijece.v8i6.pp4772-4780.

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Анотація:
This work presents a new fabrication technique for micro power inductors by using metal-embedded SU-8 slab molding techniques. The proposed technique uses X-ray lithography to fabricate high-aspect-ratio LIGA-like microstructures in form of embedded structures in the SU-8 slab. This process was applied to fabricate an inductor’s windings with an aspect ratio of 10, which can provide very low resistance but still preserve a small form factor and low profile. Inductors were designed as pot-core structures with overall heights of 370 μm and embedded with 250-μm-thick windings. From the advantage of metal embedded SU-8 slab techniques, 8 μm-thick permalloy core could be fabricated by electroplating around the winding in a single step that could help simplify the process. Four types of inductors were fabricated with 3, 5, 10, and 16 turns in the area of 1.8 to 9.5 mm2. The measured inductance was in the range of 70 nH to 1.3 μH at 1 MHz and DC resistance of 30–336 mΩ for 3–16 turns, respectively. The DC resistance of fabricated inductor was low, as expected, and showed good result compared with the results in literature.
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43

El-Monaem, Eman M. Abd, Mona M. Abd El-Latif, Abdelazeem S. Eltaweil, and Gehan M. El-Subruiti. "Cobalt Nanoparticles Supported on Reduced Amine-Functionalized Graphene Oxide for Catalytic Reduction of Nitroanilines and Organic Dyes." Nano 16, no. 04 (March 20, 2021): 2150039. http://dx.doi.org/10.1142/s1793292021500399.

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Анотація:
In our study, a simple strategy to fabricate an efficient cobalt-based nanocatalyst is reported. The as-fabricated cobalt nanoparticles (Co NPs) that supported on reduced amine-functionalized graphene oxide (Co@RGO-NH[Formula: see text] have been fabricated through reduction of Co[Formula: see text] and GO-NH2 by sodium borohydride under mild conditions. The morphology, elemental analysis, chemical composition, surface area and magnetic property of the as-fabricated Co@RGO-NH2 nanocatalyst have been investigated using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), Brunauer–Emmett–Teller (BET) and vibrating sample magnetometer (VSM), respectively. Characterization showed that Co@RGO-NH2 nanocatalyst possesses a high surface area (232.05 m2/g) and good magnetic property. Obviously, the as-fabricated Co@RGO-NH2 nanocatalyst exhibited a fascinating catalytic activity towards the catalytic reduction of different substituted nitro anilines pollutants ([Formula: see text]-nitroaniline, [Formula: see text]-nitroaniline and [Formula: see text]-nitroaniline), as well as, the degradation of cationic methylene blue and anionic Congo red dyes. Furthermore, the reused Co@RGO-NH2 nanocatalyst has shown high catalytic activity for all the catalytic reactions even after the fifth cycle, asserting the high stability of the as-fabricated heterogeneous catalyst.
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44

Park, Young Ki, Hyun Ju Oh, Jong Hyuk Bae, Jee Young Lim, Hee Dong Lee, Seok Il Hong, Hyun Sik Son, Jong H. Kim, Seung Ju Lim, and Woosung Lee. "Colorimetric Textile Sensor for the Simultaneous Detection of NH3 and HCl Gases." Polymers 12, no. 11 (November 4, 2020): 2595. http://dx.doi.org/10.3390/polym12112595.

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Анотація:
For the immediate detection of strong gaseous alkalis and acids, colorimetric textile sensors based on halochromic dyes are highly valuable for monitoring gas leakages. To date, colorimetric textile sensors for dual-gas detection have usually been fabricated by electrospinning methods. Although nanofibrous sensors have excellent pH sensitivity, they are difficult to use commercially because of their low durability, low productivity, and high production costs. In this study, we introduce novel textile sensors with high pH sensitivity and durability via a facile and low-cost screen-printing method. To fabricate these textiles sensors, Dye 3 and RhYK dyes were both incorporated into a polyester fabric. The fabricated sensors exhibited high detection rates (<10 s) and distinctive color changes under alkaline or acidic conditions, even at low gas concentrations. Furthermore, the fabricated sensors showed an outstanding durability and reversibility after washing and drying and were confirmed to contain limited amounts of hazardous materials. Thus, our results show that the fabricated textile sensors could be used in safety apparel that changes its color in the presence of harmful gases.
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45

Cheah, C. M., K. F. Leong, C. K. Chua, K. H. Low, and H. S. Quek. "Characterization of microfeatures in selective laser sintered drug delivery devices." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 216, no. 6 (June 1, 2002): 369–83. http://dx.doi.org/10.1243/095441102321032166.

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Анотація:
From initial applications in the fields of prosthesis, implants, surgery planning, anthropology, paleontology and forensics, the scope of rapid prototyping (RP) biomedical applications has expanded to include areas in tissue engineering (TE) and controlled drug delivery. In the current investigation, the feasibility of utilizing selective laser sintering (SLS) to fabricate polymeric drug delivery devices (DDDs) that are difficult to make using conventional production methods was studied. Two features, namely porous microstructure and dense wall formation, inherent in SLS fabricated parts were investigated for their potential roles in drug storage and controlling the release of drugs through the diffusion process. A study to determine the influence of key SLS process parameters on dense wall formation and porous microstructure of SLS fabricated parts was carried out. Composite-type DDDs incorporating dense wall and porous matrix features were designed and fabricated using SLS. The characteristics of the fabricated devices were investigated through micro-structural examination and in vitro release tests carried out using a drug model or dye in a simulated body environment.
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46

Foroughi, Shervin, Mohsen Habibi, and Muthukumaran Packirisamy. "Additive Manufacturing of Microcantilevers of Varying Stiffnesses for Sensing Applications." Journal of The Electrochemical Society 169, no. 2 (February 1, 2022): 027507. http://dx.doi.org/10.1149/1945-7111/ac50e1.

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Анотація:
Fabrication of the microcantilevers using the traditional methods is time-consuming and costly. With the advancement of additive manufacturing methods, the fabrication of functional microcantilevers is possible. This work presents the fabrication of elastomeric microcantilevers using the SLA 3D printing technology. Different microcantilevers are fabricated. The mechanical characteristics of the fabricated cantilevers are identified by performing micromechanical tests. Results show that the cantilevers’ measured stiffnesses are comparable with those reported in the literature. The method explained in this work reveals the possibility of employing SLA 3D printing and soft elastomeric printing materials to fabricate microcantilevers.
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47

Zhao, Chuan, Xiaoping Zou, and Sheng He. "CdTeO3Deposited Mesoporous NiO Photocathode for a Solar Cell." Journal of Nanomaterials 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/372381.

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Анотація:
Semiconductor sensitized NiO photocathodes have been fabricated by successive ionic layer adsorption and reaction (SILAR) method depositing CdTeO3quantum dots onto mesoscopic NiO films. A solar cell using CdTeO3deposited NiO mesoporous photocathode has been fabricated. It yields a photovoltage of 103.7 mV and a short-circuit current density of 0.364 mA/cm2. The incident photon to current conversion efficiency (IPCE) value is found to be 12% for the newly designed NiO/CdTeO3solar cell. It shows that the p-type NiO/CdTeO3structure could be successfully utilized to fabricate p-type solar cell.
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48

KANG, G. H., K. Y. NO, and G. M. KIM. "FABRICATION OF MICROCHANNEL WITH ELECTRODES ON SIDE WALL." International Journal of Modern Physics B 20, no. 25n27 (October 30, 2006): 4493–98. http://dx.doi.org/10.1142/s0217979206041574.

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Анотація:
A new method to fabricate microfluidic channel which has metal electrodes on side wall is presented. Three dimensional electrode patterns were deposited through the shadow mask on highly recessed surfaces of microchannel. Polymer microchannel was fabricated using polymer molding technique. Shadow mask for electrode patterning were fabricated using MEMS process. Electrodes were patterned on side wall of microchannel using shadow effects occurring at angled evaporation through shadow mask. The electrodes on side walls facing each other are expected to provide more sensitivity at bio-analysis devices based on impedance variation.
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49

Choi, Seung S., M. Y. Jung, C. K. Chun, J. W. Kim, J. H. Boo, and J. S. Yang. "Nanofabrication of NSOM Probe on the Cantilever Array." International Journal of Nanoscience 02, no. 01n02 (February 2003): 65–73. http://dx.doi.org/10.1142/s0219581x03001012.

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Анотація:
In this paper, a new process to fabricate nanosized silicon oxide apertures on a cantilever array is presented. The various semiconductor processes such as alkine etching, stress-dependent thermal oxidation, dilute HF etching and Au sputter deposition were utilized. With the dilute HF etching process, the opening of the nanosized oxide aperture could be fabricated in a controlled manner. The Au thin layer was deposited on the oxide apertures on the cantilever array so that the 160 nm apertures on a (5×1) cantilever array were successfully fabricated.
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50

Zhang, Jing, Chengyuan Wang, Wangqiao Chen, Jiansheng Wu, and Qichun Zhang. "Fabrication and physical properties of self-assembled ultralong polymer/small molecule hybrid microstructures." RSC Advances 5, no. 32 (2015): 25550–54. http://dx.doi.org/10.1039/c5ra01167a.

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Анотація:
The present work showed a novel approach to fabricate polymer/small molecule hybrid microstructures, and the transport characteristics and morphologies of the as-fabricated wires with different ratios of the two different components.
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