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Journal articles on the topic 'Small scale electronic device'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Liu, Chenchen. "Organic Electronics: Material Innovations, Synthesis Strategies, and Applications as Flexible Electronics." Highlights in Science, Engineering and Technology 106 (July 16, 2024): 332–37. http://dx.doi.org/10.54097/zn612t89.

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Organic electronics has emerged as a transformative field in materials science, revolutionizing the development of flexible, lightweight, and cost-effective electronic components. Utilizing carbon-based organic small molecules and polymers, this technology diverges significantly from traditional inorganic electronic materials, offering unique advantages in terms of flexibility and processability. This paper provides a comprehensive review of the advancements within the field of organic electronics, focusing on essential materials such as conductive polymers, small molecule semiconductors, and

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Larsen, Lisbeth Hoekjaer, Maja Hedegaard Lauritzen, Sirin Wilhelmsen Gangstad, and Troels Wesenberg Kjaer. "The Use of Small Electronic Devices and Health: Feasibility of Interventions for a Forthcoming Crossover Design." JMIR Formative Research 5, no. 1 (2021): e20410. http://dx.doi.org/10.2196/20410.

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Background Modern lifestyle is heavily affected by technology such as smartphones, tablets, and other small computers; yet it remains unclear how our health and well-being are affected by the heavy use of these devices. Objective This feasibility study aims to test two different interventions of an experimental protocol for a forthcoming large-scale community-based study and get estimates of parameters for sample size calculation. The aim of the large-scale study is to investigate the effect of (1) a wearable tracking device on aerobic capacity (VO2max/kg) and the effect of (2) restricting med

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Wong, C. P. "An Overview of Integrated Circuit Device Encapsulants." Journal of Electronic Packaging 111, no. 2 (1989): 97–107. http://dx.doi.org/10.1115/1.3226528.

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The rapid development of integrated circuit technology from small-scale integration (SSI) to very large scale integration (VLSI) has had great technological and economical impact on the electronics industry. The exponential growth of the number of components per IC chip, the exponential decrease of device dimensions, and the steady increase in IC chip size have imposed stringent requirements, not only on the IC physical design and fabrication, but also on IC encapsulants. This report addresses the purpose of encapsulation, encapsulation techniques, and a general overview of the application of

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Tsuchiya, Hideaki, Brian Winstead, and Umberto Ravaioli. "Quantum Potential Approaches for Nano-scale Device Simulation." VLSI Design 13, no. 1-4 (2001): 335–40. http://dx.doi.org/10.1155/2001/73145.

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With the progress of integrated technology, the feature size of experimental electron devices have already been scaled down deeply into the sub–0.1 μm region. For such ultra-small devices, it is increasingly important to take quantum mechanical effects into account for device simulation. In this paper, we present a new approach for quantum modeling, applicable to multi-dimensional ultra-small device simulation. In this work, the quantum effects are represented in terms of quantum mechanically corrected potential in the classical Boltzmann equation. We apply the Monte Carlo method to solve the

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Cirillo, Luca, Adriana Greco, and Claudia Masselli. "CHECK TEMPERATURE: A Small-Scale Elastocaloric Device for the Cooling of the Electronic Circuits." International Journal of Heat and Technology 40, no. 3 (2022): 665–70. http://dx.doi.org/10.18280/ijht.400302.

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Elastocaloric is a technology to the class of solid-state cooling based on caloric-effects have attracted great interest in recent years, representing a new and viable alternative to vapour-compression. The physical phenomenon on which elastocaloric systems are based is elastocaloric effect: a physical-thermal phenomenon manifesting in some materials called shape memory alloys where, consequently to an adiabatic variation of the intensity of an external field, a temperature variation (ΔTad), occurs. If the intensity of the field is increasing, a temperature rise is observed in the elastocalori

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Silva, Pablo Dutra da, and Pedro Bertemes Filho. "Prototype analysis of a low-power, small-scale wearable medical device." Journal of Electrical Bioimpedance 15, no. 1 (2024): 169–76. https://doi.org/10.2478/joeb-2024-0020.

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Abstract Wearable and portable devices are gaining significant popularity across consumer electronics as well as in medical and industrial fields. To ensure that these devices are both comfortable and appealing to users, they need to have low battery consumption and be compact in both size and weight. The EGluco project is focused on developing a wearable device for non-invasive blood glucose monitoring. This multi-sensor device incorporates electrical bioimpedance spectroscopy as one of its measurement techniques. One of the earlier versions of the device was deemed unsuitable as a wearable d

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Kim, Younghye, Hyunwook Oh, Mira Yun, and Hanra Cho. "The Impact of Electronic Device Use on Life Satisfaction in Older Adults." K Association of Education Research 8, no. 3 (2023): 135–58. http://dx.doi.org/10.48033/jss.8.3.7.

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The purpose of this study is to examine life satisfaction and electronic device usage by demographic characteristics using 『2020 Korean National Survey on Older Adults』 data. Also, to determine whether the use of electronic devices by the elderly affects their life satisfaction. For this purpose, the use of electronic devices by the elderly was first categorized by purpose. Then, independent samples t-test and ANOVA analysis were conducted. Multiple regression analysis was conducted to examine the relationship between electronic device use and life satisfaction. The main findings are as follow

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Yang, Dong, Hao Wang, Shenglin Luo, Changning Wang, Sheng Zhang, and Shiqi Guo. "Paper-Cut Flexible Multifunctional Electronics Using MoS2 Nanosheet." Nanomaterials 9, no. 7 (2019): 922. http://dx.doi.org/10.3390/nano9070922.

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Art and science represent human creativity and rational thinking, respectively. When the two seemingly opposite fields are intertwined, there is always a life-changing spark. In particular, the integration of ancient traditional Chinese art into the latest electronic devices is always been an unexcavated topic. Fabricating two-dimensional material with a tensile strain less than 3% with an ultimate global stretch has been an important problem that plagues the current flexible electronics field. The current research is limited to material in small scale, and it is always necessary to develop an

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MANOHAR, S., A. PHAM, J. BROWN, R. BORGES, and K. LINTHICUM. "MICROWAVE GaN-BASED POWER TRANSISTORS ON LARGE-SCALE SILICON WAFERS." International Journal of High Speed Electronics and Systems 13, no. 01 (2003): 265–75. http://dx.doi.org/10.1142/s0129156403001600.

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This paper presents the development of microwave Gallium nitride (GaN) heterostructure field-effect transistors (HFETs) on silicon (Si). GaN-on-Si provides a low-cost manufacturable platform that could lead to the commercialization of GaN-based power devices for wireless applications. Small periphery GaN high electron mobility transistors (HEMTs) on Si exhibited a maximum drain current of 900mA/mm, a peak gm of 300 mS/mm, and a microwave output power density of 1.5 W/mm at 2 GHz. Microwave characterization and device modeling of GaN HEMTs on Si are discussed.

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10

Li, Haiou, Yuanmei Liao, Fabi Zhang, Tangyou Sun, Xingpeng Liu, and Shouwei Chen. "A Carbon Nanotube Transistor Based on Buried-Gate Structure." Materials 18, no. 2 (2025): 218. https://doi.org/10.3390/ma18020218.

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From the discovery of carbon nanotubes to the ability to prepare high-purity semiconductor carbon nanotubes in large quantities, the large-scale fabrication of carbon nanotube transistors (CNT) will become possible. In this paper, a carbon nanotube transistor featuring a buried-gate structure, employing an etching process to optimize the surface flatness of the device and enhance its performance, is presented. This CNT thin-film transistor has a current switching ratio of 104, a threshold voltage of around 1 V, and a mobility that can reach 6.95 cm2/V·s, indicating excellent electrical perform

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Mainra, Jashan Kumar, Akshpreet Kaur, Gaurav Sapra, and Parul Gaur. "Simulation and Modelling of Triboelectric Nanogenerator for Self-powered Electronic Devices." IOP Conference Series: Materials Science and Engineering 1225, no. 1 (2022): 012012. http://dx.doi.org/10.1088/1757-899x/1225/1/012012.

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Abstract Triboelectric Nanogenerators has revolutionised the area of energy harvesting and self-powered sensing. In recent years, variety of small scale applications of triboelectric nanogenerators have been explored extensively particularly in self powered electronics, wearable and implantable devices, self-powered biosensors, human motion monitoring, location evaluation, air quality control etc. This paper discusses simulation and modelling of contact separation mode based triboelectric nanogenerator. In this work, triboelectric nanogenerators are simulated in COMSOL to compare the voltage p

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Shimokuri, D., T. Hara, and R. Matsumoto. "Development of a small-scale power system with meso-scale vortex combustor and thermo-electric device." Journal of Micromechanics and Microengineering 25, no. 10 (2015): 104004. http://dx.doi.org/10.1088/0960-1317/25/10/104004.

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Lu, Z. W., X. Y. Liu, X. Wang, et al. "High-precision small-scale laser focal spot measurements." Laser and Particle Beams 31, no. 1 (2013): 177–83. http://dx.doi.org/10.1017/s0263034612001073.

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AbstractIn this paper, a method of two-dimensional fine-scanning with charge coupled device has been conducted to precisely measure spatial position and intensity distribution of small-scale focal spot (diameter in microns). The measurement accuracy of the small-scale focal spot position is better than 1 µm when the fluctuations of the light energy and background noise are relatively small. The theoretical analysis is consistent with the experimental results.

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D. A. Muller, T. Sorsch, S. Moccio, F. H. Baumann, K. Evans-Lutterodt, and G. Timp. "How Small Is Too Small ? Understanding The Electronic Structure Of Atomic-Scale Transistors." Microscopy and Microanalysis 5, S2 (1999): 120–21. http://dx.doi.org/10.1017/s1431927600013921.

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The transistors planned for commercial use ten years from now in many electronic devices will have gate lengths shorter than 130 atoms, gate oxides thinner than 1.2 nm of SiO2 and clock speeds in excess of 10 GHz. It is now technologically possible to produce such transistors with gate oxides only 5 silicon atoms thick[l]. Since at least two of those 5 atoms are not in a local environment similar to either bulk Si or bulk SiO2, the properties of the interface are responsible for a significant fraction of the “bulk” properties of the gate oxide. However the physical (and especially their electr

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Arnet, Isabelle, Jean-Pierre Rothen, Valerie Albert, and Kurt Hersberger. "Validation of a Novel Electronic Device for Medication Adherence Monitoring of Ambulatory Patients." Pharmacy 7, no. 4 (2019): 155. http://dx.doi.org/10.3390/pharmacy7040155.

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Several methods exist for measuring medication adherence. The Time4MedTM device (Adherence Innovations, Hong Kong) is a small, electronic card to affix on medication packaging that records date and time of intakes when a button is pushed. We aimed to validate the device with an emphasis on polypharmacy. Twenty volunteers used Time4MedTM devices with a virtual thrice daily intake over 14 days. Diary-recorded date and time were compared to electronically-stored events. Functionality, reliability and recovery for different stress conditions were calculated. User‘s acceptability was assessed with

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Park, Steve, Gaurav Giri, Leo Shaw, et al. "Large-area formation of self-aligned crystalline domains of organic semiconductors on transistor channels using CONNECT." Proceedings of the National Academy of Sciences 112, no. 18 (2015): 5561–66. http://dx.doi.org/10.1073/pnas.1419771112.

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The electronic properties of solution-processable small-molecule organic semiconductors (OSCs) have rapidly improved in recent years, rendering them highly promising for various low-cost large-area electronic applications. However, practical applications of organic electronics require patterned and precisely registered OSC films within the transistor channel region with uniform electrical properties over a large area, a task that remains a significant challenge. Here, we present a technique termed “controlled OSC nucleation and extension for circuits” (CONNECT), which uses differential surface

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Al-Tameemi, Saif, and Mohammed Nadhim Abbas. "All-Optical Universal Logic Gates at Nano-scale Dimensions." Iraqi Journal of Nanotechnology, no. 2 (December 7, 2021): 34–43. http://dx.doi.org/10.47758/ijn.vi2.49.

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Though photonics displays an attractive solution to the speed limitation of electronics, decreasing the size of photonic devices is one of the major problems with implementing photonic integrated circuits that are regarded the challenges to produce all-optical computers. Plasmonic can solve these problems, it be a potential solution to fill the gaps in the electronics (large bandwidth and ultra-high speed) and photonics (diffraction limit due to miniaturization size). In this paper, Nano-rings Insulator-Metal-Insulator (IMI) plasmonic waveguides has been used to propose, design, simulate, and

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18

Tuharea, Ibnu Rohan, Ahmad Luthfi, and Erika Ramadani. "Enhancing Digital Forensic Investigation: A Focus on Compact Electronic Devices and Social Media Metadata." Journal of Information Systems and Informatics 5, no. 4 (2023): 1385–401. http://dx.doi.org/10.51519/journalisi.v5i4.594.

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The rise of portable electronic devices and social media has led to new criminal activities, necessitating advancements in digital forensics. This paper introduces Small-Scale Digital Device Forensics (SSDDF), focusing on the forensic examination of miniature digital devices often used in crimes. SSDDF addresses the challenges posed by these devices, particularly in extracting and analyzing data from them. A key aspect of this research is exploring ontology in social media forensics, particularly within the Android operating system. This involves extracting digital evidence like user accounts,

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Brauer, Elizabeth J., Marek Turowski, and James M. McDonough. "Additive Decomposition Applied to the Semiconductor Drift-Diffusion Model." VLSI Design 8, no. 1-4 (1998): 393–99. http://dx.doi.org/10.1155/1998/96170.

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A new numerical method for semiconductor device simulation is presented. The additive decomposition method has been successfully applied to Burgers' and Navier-Stokes equations governing turbulent fluid flow by decomposing the equations into large-scale and small-scale parts without averaging. The additive decomposition (AD) technique is well suited to problems with a large range of time and/or space scales, for example, thermal-electrical simulation of power semiconductor devices with large physical size. Furthermore, AD adds a level of parallelization for improved computational efficiency. T

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Watkins, James J., and David J. Bishop. "Fabrication of Sub-45-nm Structures for the Next Generation of Devices: A Lot of Effort for a Little Device." MRS Bulletin 30, no. 12 (2005): 937–41. http://dx.doi.org/10.1557/mrs2005.246.

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AbstractFor the last four decades, the feature sizes of electronic devices for computers have been reduced by a factor of two roughly every 18 months. The result has been a tremendous increase in computational power and reduction in the cost of computing, as measured by cost per function, of nearly 30% annually, so that computations can be done for a billionth of the cost of using the technology of the 1950s. However, devices will soon be so small that the current technology used to produce them will have reached its limits, and the graininess of individual atoms will affect their behavior. Th

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Kremer, Ingridi Dos Santos, Eloisa Da Rosa, Silvana Maldaner, et al. "Uma síntese da nanotecnologia aplicada à eletrônica." Ciência e Natura 42 (February 7, 2020): 25. http://dx.doi.org/10.5902/2179460x40594.

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Nanotechnology is the control of small-scale matter as atomic and molecular. She works in the development of materials and components for various areas of knowledge such as electronics, catalysis, medicine and other areas. Being one of the most benefited electronics. The application of nanotechnology in electronics has brought new concepts to the area allowing to minimize electronic devices, use of semiconductors, conductors, diodes, transistors and other components built in small scales, it can be observed that they are presented smaller and lighter, and more efficient. This technology is inc

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Tuharea, Ibnu Rohan, Ahmad Luthfi, and Erika Ramadani. "Social Media Metadata Forensic Ontology Model." Mobile and Forensics 5, no. 2 (2023): 1–14. http://dx.doi.org/10.12928/mf.v5i2.8937.

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The escalating use of compact electronic gadgets like smartphones and smartwatches, along with social media platforms, has led to a new dimension of criminal activities. Advancements in digital forensics, which investigates digital evidence, have become noteworthy. Researchers David Christopher Harrill and Richard P. Mislan devised Small-Scale Digital Device Forensics (SSDDF) for examining miniature digital devices used in criminal undertakings. Edlira Kalemi and Sule Yildirim-Yayilgan demonstrated the application of ontology in social media forensics, deciphering Android system frameworks rel

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Quan, Lei, Fang Wang, and Rong Li. "Abiot: A Low Cost Agile Sonic Pest Control Tricopter." Advanced Materials Research 945-949 (June 2014): 1408–11. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.1408.

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In this paper we introduce the concept of an agile electronic pest control intelligent device for commercial usage and we have evaluated its performance in comparison with other existing similar technologies. The frequency and intensities are changed with respect to the target pest however human behavior has been found to be inert with their exposure. The unit has been tested in lab conditions as well as field testing done have given encouraging results. The device can be a standalone unit and hence work for small scale viz. kitchen garden on the other hand multiple devices acting in coordinat

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Song, Xiongfei, Zhongxun Guo, Qiaochu Zhang, Peng Zhou, Wenzhong Bao, and David Wei Zhang. "Progress of Large-Scale Synthesis and Electronic Device Application of Two-Dimensional Transition Metal Dichalcogenides." Small 13, no. 35 (2017): 1700098. http://dx.doi.org/10.1002/smll.201700098.

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Solomon, Gemma C., Justin P. Bergfield, Charles A. Stafford, and Mark A. Ratner. "When “small” terms matter: Coupled interference features in the transport properties of cross-conjugated molecules." Beilstein Journal of Nanotechnology 2 (December 29, 2011): 862–71. http://dx.doi.org/10.3762/bjnano.2.95.

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Quantum interference effects offer opportunities to tune the electronic and thermoelectric response of a quantum-scale device over orders of magnitude. Here we focus on single-molecule devices, in which interference features may be strongly affected by both chemical and electronic modifications to the system. Although not always desirable, such a susceptibility offers insight into the importance of “small” terms, such as through-space coupling and many-body charge–charge correlations. Here we investigate the effect of these small terms using different Hamiltonian models with Hückel, gDFTB and

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Youplao, Phichai, Nithiroth Pornsuwancharoen, and Preecha P. Yupapin. "High capacity terahertz frequency combs generated by small scale optical mesh network." Journal of Nonlinear Optical Physics & Materials 23, no. 01 (2014): 1450003. http://dx.doi.org/10.1142/s0218863514500039.

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A novel design of mesh ring resonator system is proposed and simulated to obtain the multi frequency comb bands, in which the frequency band less than 10 GHz (about 0.084 nm) of comb lines spacing with commercialized ring parameters is achieved. The proposed system is used to enhance the capacity of optical frequency comb for redundancy networks against the network element failures and to increase the survivability of the communication systems. The dependence of the mesh ring transmission characteristics with coupling coefficients of directional couplers is analyzed and studied. In application

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URCIUOLI, D. P., and VICTOR VELIADIS. "BI-DIRECTIONAL SCALABLE SOLID-STATE CIRCUIT BREAKERS FOR HYBRID-ELECTRIC VEHICLES." International Journal of High Speed Electronics and Systems 19, no. 01 (2009): 183–92. http://dx.doi.org/10.1142/s0129156409006242.

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Power electronics in hybrid-electric military ground vehicles require fast fault isolation, and benefit additionally from bi-directional fault isolation. To prevent system damage or failure, maximum fault current interrupt speeds in tens to hundreds of microseconds are necessary. While inherently providing bi-directional fault isolation, mechanical contactors and circuit breakers do not provide adequate actuation speeds, and suffer severe degradation during repeated fault isolation. Instead, it is desired to use a scalable array of solid-state devices as a solid-state circuit breaker (SSCB) ha

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Coe, Jason B., Alexandra Rankovic, Tara R. Edwards, and Jacqueline M. Parr. "Dog owner’s accuracy measuring different volumes of dry dog food using three different measuring devices." Veterinary Record 185, no. 19 (2019): 599. http://dx.doi.org/10.1136/vr.105319.

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Prior research demonstrates significant inaccuracy when repeatedly measuring the same amount of dry dog food using a dry-food measuring cup, bringing into question the accuracy of measuring devices. This study aimed to determine dog owners’ accuracy when measuring different volumes of dry dog food using different types of measuring devices. One hundred dog owners, randomly assigned one of three measuring devices (a one-cup dry-food measuring cup, a two-cup graduated-liquid measuring cup or a two-cup commercial food scoop), were asked to measure ¼, ½ and 1 cup of dry dog food. Accuracy was asse

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Ngah Demon, Siti Zulaikha, Nursaadah Ahmad Poad, Noor Fadhilah Rahmat, and Noriah Bidin. "Preparation of Indium Tin Oxide/Quaterthiophene Thin Film for Solution Processed Organic Device." Solid State Phenomena 268 (October 2017): 269–73. http://dx.doi.org/10.4028/www.scientific.net/ssp.268.269.

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Organic devices are advantageous in term of high carrier mobility, lightweight and flexibility. The solution processed method offers economic and efficient device fabrication in small laboratory scale. The α-quaterthiophene (α-4T) is an oligomer and a p-type organic semiconductor. In this study, pure α-4T and polylactide acid (PLA)/α-4T films were spin-coated on glass and indium tin oxide (ITO) substrates at low spin frequency. The hydrated films were left to dry at room temperature and later in vacuum oven. The α-4T microstructures changed when blended with the polymer. The roughness of the 1

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Abdul Rahman, Mohd Rosdzimin, Wan Mohd Amin Wan Shuib, Mohd Rashdan Saad, Azam Che Idris, and Hasan Mohd Faizal. "Combustion Characteristic inside Micro Channel Combustor." Jurnal Kejuruteraan si4, no. 1 (2021): 109–16. http://dx.doi.org/10.17576/jkukm-2021-si4(1)-14.

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Small-scale electronic devices require long hours’ operation and fast charging time. Potential technology to support requirement of small-scale electronic device is micro scale combustor. Unfortunately, micro scale combustion is prone to combustion instability. Therefore, objective of this study is to investigate the combustion characteristics, mechanism that stabilize the flame and combustor performance of the 2-D microchannel combustor with bluff body having various slit percentages gap. Two-dimensional computational domain with the height and length of the channel H = 1 mm and L = 16 mm is

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Mathew, Paven Thomas, Brian J. Rodriguez, and Fengzhou Fang. "Atomic and Close-to-Atomic Scale Manufacturing: A Review on Atomic Layer Removal Methods Using Atomic Force Microscopy." Nanomanufacturing and Metrology 3, no. 3 (2020): 167–86. http://dx.doi.org/10.1007/s41871-020-00067-2.

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Abstract Manufacturing at the atomic scale is the next generation of the industrial revolution. Atomic and close-to-atomic scale manufacturing (ACSM) helps to achieve this. Atomic force microscopy (AFM) is a promising method for this purpose since an instrument to machine at this small scale has not yet been developed. As the need for increasing the number of electronic components inside an integrated circuit chip is emerging in the present-day scenario, methods should be adopted to reduce the size of connections inside the chip. This can be achieved using molecules. However, connecting molecu

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Xu, Jian, T. Kyle Vanderlick, and David A. LaVan. "Energy Conversion in Protocells with Natural Nanoconductors." International Journal of Photoenergy 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/425735.

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While much nanotechnology leverages solid-state devices, here we present the analysis of designs for hybrid organic-inorganic biomimetic devices, “protocells,” based on assemblies of natural ion channels and ion pumps, “nanoconductors,” incorporated into synthetic supported lipid bilayer membranes. These protocells mimic the energy conversion scheme of natural cells and are able to directly output electricity. The electrogenic mechanisms have been analyzed and designs were optimized using numerical models. The parameters that affect the energy conversion are quantified, and limits for device p

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Thomas, Felix, Rainer Petzold, Carina Becker, and Ulrike Werban. "Application of Low-Cost MEMS Spectrometers for Forest Topsoil Properties Prediction." Sensors 21, no. 11 (2021): 3927. http://dx.doi.org/10.3390/s21113927.

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Increasing temperatures and drought occurrences recently led to soil moisture depletion and increasing tree mortality. In the interest of sustainable forest management, the monitoring of forest soil properties will be of increasing importance in the future. Vis-NIR spectroscopy can be used as fast, non-destructive and cost-efficient method for soil parameter estimations. Microelectromechanical system devices (MEMS) have become available that are suitable for many application fields due to their low cost as well as their small size and weight. We investigated the performance of MEMS spectromete

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OYUBU, OYUBU AKPOVI, and OKPEKI UFUOMA KAZEEM. "AN OVERVIEW OF NANOELECTRONICS AND NANODEVICES." Journal of Engineering Studies and Research 26, no. 3 (2020): 165–72. http://dx.doi.org/10.29081/jesr.v26i3.220.

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Nanoelectronics is a nascent area of making electronic devices at the atomic scale to utilize small-scale 'quantum' characteristics of nature. As the name suggests, Nanoelectronics refers to employing nanotechnology in building electronic devices/components; especially transistors. Thus, transistor devices which are so small such that inter-atomic cooperation and quantum mechanical characteristics cannot be ignored are known as Nanoelectronics. This article presents Nanoelectronics and Nanodevices, which are the critical enablers that will not only enable mankind to exploit the ultimate techno

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Ma, Huang, Li, Huang, Ma, and Liu. "MCSM-Wri: A Small-Scale Motion Recognition Method Using WiFi Based on Multi-Scale Convolutional Neural Network." Sensors 19, no. 19 (2019): 4162. http://dx.doi.org/10.3390/s19194162.

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environmental perception technology based onWiFi, and some state-of-the-art techniques haveemerged. The wide application of small-scale motion recognition has aroused people’s concern.Handwritten letter is a kind of small scale motion, and the recognition for small-scale motion basedon WiFi has two characteristics. Small-scale action has little impact on WiFi signals changes inthe environment. The writing trajectories of certain uppercase letters are the same as the writingtrajectories of their corresponding lowercase letters, but they are different in size. These characteristicsbring challeng

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Zhou, Kai, Fang Xie, Yi Tao, and Hai Xia Du. "Research on Piezoelectric Generators for Vibration Energy Harvesting." Applied Mechanics and Materials 757 (April 2015): 171–74. http://dx.doi.org/10.4028/www.scientific.net/amm.757.171.

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Ambient energy harvesting has been in recent years the recurring object of a number of research efforts aimed at providing an autonomous solution to the powering of small scale electronic mobile devices. Among the different solutions, vibration energy harvesting has played a major role due to the almost universal presence of mechanical vibrations. In the paper, a piezoelectric cantilever device for harvesting the ambient low-frequency vibration energy is designed, and influences of its structure on output voltage and power generation capacity are studied also. The study results show that the p

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Skinner, Jack L., Jessica M. Andriolo, John P. Murphy, and Brandon M. Ross. "Electrospinning for nano- to mesoscale photonic structures." Nanophotonics 6, no. 5 (2016): 765–87. http://dx.doi.org/10.1515/nanoph-2016-0142.

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AbstractThe fabrication of photonic and electronic structures and devices has directed the manufacturing industry for the last 50 years. Currently, the majority of small-scale photonic devices are created by traditional microfabrication techniques that create features by processes such as lithography and electron or ion beam direct writing. Microfabrication techniques are often expensive and slow. In contrast, the use of electrospinning (ES) in the fabrication of micro- and nano-scale devices for the manipulation of photons and electrons provides a relatively simple and economic viable alterna

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Garg, Jivtesh, Mehmet Arik, Stanton Weaver, Todd Wetzel, and Seyed Saddoughi. "Meso Scale Pulsating Jets for Electronics Cooling." Journal of Electronic Packaging 127, no. 4 (2005): 503–11. http://dx.doi.org/10.1115/1.2065727.

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Microfluid devices are conventionally used for boundary layer control in many aerospace applications. Synthetic jets are intense small-scale turbulent jets formed from periodic entrainment and expulsion of the fluid in which they are embedded. The jets can be made to impinge upon electronic components thereby providing forced convection impingement cooling. The small size of these devices accompanied by the high exit air velocity provides an exciting opportunity to significantly reduce the size of thermal management hardware in electronics. A proprietary meso scale synthetic jet designed at GE

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Mayer, Dirk. "Using Interdigitated Organic Electrochemical Transistors as Electrophysiological and Biochemical Sensors." Engineering Proceedings 6, no. 1 (2021): 46. http://dx.doi.org/10.3390/i3s2021dresden-10133.

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Organic electrochemical transistors (OECTs) have emerged as versatile electrophysiological sensors due to their high transconductance, biocompatibility, and transparent channel material. High maximum transconductances were demonstrated, facilitating extracellular recordings from electrogenic cells. However, this often requires large channel dimensions which impede high transistor densities. To improve the device performance and density, we used interdigitated OECTs (iOECTs), which feature high transconductances with small device areas. Superior device performance was achieved by systematically

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Brunet, Y., and P. Tixador. "Small-scale experiments on static devices using AC superconductors." Electric Power Systems Research 12, no. 2 (1987): 149–53. http://dx.doi.org/10.1016/0378-7796(87)90033-2.

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Hadj Abdelkader, Oussama, Hadjer Bouzebiba, Danilo Pena, and António Pedro Aguiar. "Energy-Efficient IoT-Based Light Control System in Smart Indoor Agriculture." Sensors 23, no. 18 (2023): 7670. http://dx.doi.org/10.3390/s23187670.

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Indoor agriculture is emerging as a promising approach for increasing the efficiency and sustainability of agri-food production processes. It is currently evolving from a small-scale horticultural practice to a large-scale industry as a response to the increasing demand. This led to the appearance of plant factories where agri-food production is automated and continuous and the plant environment is fully controlled. While plant factories improve the productivity and sustainability of the process, they suffer from high energy consumption and the difficulty of providing the ideal environment for

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GALAJDOVA, ALENA, and ROBERT RAKAY. "LONG RANGE IOT COMMUNICATION." MM Science Journal 2021, no. 4 (2021): 4781–85. http://dx.doi.org/10.17973/mmsj.2021_10_2021038.

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The article deals with the design of wireless automation system. The proposed systems compare wireless data transmission devices. The main components and their parameters, which are necessary for building such system and base steps how to create and test a device are described. The created systems can serve as a suitable basis for remote monitoring and control systems in open space applications such as weather system or small-scale home automation system and can be used as an example in the education of students in fields such as Automation or Mechatronics.

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GALAJDOVA, ALENA, and ROBERT RAKAY. "LONG RANGE IOT COMMUNICATION." MM Science Journal 2021, no. 4 (2021): 4781–85. http://dx.doi.org/10.17973/mmsj.2021_10_2021038.

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The article deals with the design of wireless automation system. The proposed systems compare wireless data transmission devices. The main components and their parameters, which are necessary for building such system and base steps how to create and test a device are described. The created systems can serve as a suitable basis for remote monitoring and control systems in open space applications such as weather system or small-scale home automation system and can be used as an example in the education of students in fields such as Automation or Mechatronics.

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Rupp, Tyrel, Binh Duc Truong, Shane Williams, and Shad Roundy. "Magnetoelectric Transducer Designs for Use as Wireless Power Receivers in Wearable and Implantable Applications." Materials 12, no. 3 (2019): 512. http://dx.doi.org/10.3390/ma12030512.

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As the size of biomedical implants and wearable devices becomes smaller, the need for methods to deliver power at higher power densities is growing. The most common method to wirelessly deliver power, inductively coupled coils, suffers from poor power density for very small-sized receiving coils. An alternative strategy is to transmit power wirelessly to magnetoelectric (ME) or mechano-magnetoelectric (MME) receivers, which can operate efficiently at much smaller sizes for a given frequency. This work studies the effectiveness of ME and MME transducers as wireless power receivers for biomedica

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Lin, Xiang, and Mengdi Han. "Recent progress in soft electronics and robotics based on magnetic nanomaterials." Soft Science 3, no. 2 (2023): 14. http://dx.doi.org/10.20517/ss.2023.05.

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Recent advancements in soft electronics and robotics have expanded the possibilities beyond the capabilities of traditional rigid devices, indicating promise for a range of applications in electronic skins, wireless biomedical devices, and others. Magnetic materials exploited in these soft systems can further broaden the modalities in sensing and actuation. These magnetic materials, when constructed in the forms of nanoparticles, nanomembranes, or other types of nanostructures, exhibit some unique characteristics, such as the magnetoresistance effect and size-dependent coercivity. Soft electro

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Anyaduba, Tochukwu D., Jonas A. Otoo, and Travis S. Schlappi. "Picoliter Droplet Generation and Dense Bead-in-Droplet Encapsulation via Microfluidic Devices Fabricated via 3D Printed Molds." Micromachines 13, no. 11 (2022): 1946. http://dx.doi.org/10.3390/mi13111946.

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Picoliter-scale droplets have many applications in chemistry and biology, such as biomolecule synthesis, drug discovery, nucleic acid quantification, and single cell analysis. However, due to the complicated processes used to fabricate microfluidic channels, most picoliter (pL) droplet generation methods are limited to research in laboratories with cleanroom facilities and complex instrumentation. The purpose of this work is to investigate a method that uses 3D printing to fabricate microfluidic devices that can generate droplets with sizes <100 pL and encapsulate single dense beads mechani

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Köhli, Markus, Jannis Weimar, Simon Schmidt, et al. "Arduino-Based Readout Electronics for Nuclear and Particle Physics." Sensors 24, no. 9 (2024): 2935. http://dx.doi.org/10.3390/s24092935.

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Open Hardware-based microcontrollers, especially the Arduino platform, have become a comparably easy-to-use tool for rapid prototyping and implementing creative solutions. Such devices in combination with dedicated front-end electronics can offer low-cost alternatives for student projects, slow control and independently operating small-scale instrumentation. The capabilities can be extended to data taking and signal analysis at mid-level rates. Two detector realizations are presented, which cover the readouts of proportional counter tubes and of scintillators or wavelength-shifting fibers with

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Kiryanova, Marina N., O. L. Markova, and E. V. Ivanova. "HYGIENIC ASSESSMENT OF WORKING CONDITIONS IN RADIO-ELECTRONIC COMPONENT PRODUCTION." Hygiene and sanitation 97, no. 12 (2018): 1235–38. http://dx.doi.org/10.18821/0016-9900-2018-97-12-1235-1238.

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Findings on the hygienic assessment of working conditions in radio-electronic component development and production at a modern enterprise producing capacitors, microcircuits, resistors and semiconductor devices are reported. Working conditions of employees engaged in radio-electronic component development (developers, designers) and production (photolithographers, wiremen, radio-electronic component and semiconductor device assemblers, adjusters and quality control inspectors) were studied. Hygienic studies of the working environment and working process factors were carried out to assess worki

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Kaczmarek, Wojciech, Jarosław Panasiuk, Szymon Borys, Aneta Pobudkowska, and Mikołaj Majsterek. "Analysis of the Kinetics of Swimming Pool Water Reaction in Analytical Device Reproducing Its Circulation on a Small Scale." Sensors 20, no. 17 (2020): 4820. http://dx.doi.org/10.3390/s20174820.

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The most common cause of diseases in swimming pools is the lack of sanitary control of water quality; water may contain microbiological and chemical contaminants. Among the people most at risk of infection are children, pregnant women, and immunocompromised people. The origin of the problem is a need to develop a system that can predict the formation of chlorine water disinfection by-products, such as trihalomethanes (THMs). THMs are volatile organic compounds from the group of alkyl halides, carcinogenic, mutagenic, teratogenic, and bioaccumulating. Long-term exposure, even to low concentrati

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Ruzhickiy, Vsevolod, Sergey Bakurskiy, Mikhail Kupriyanov, et al. "Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions." Nanomaterials 13, no. 12 (2023): 1873. http://dx.doi.org/10.3390/nano13121873.

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In this paper, we present a theoretical study of electronic transport in planar Josephson Superconductor–Normal Metal–Superconductor (SN-N-NS) bridges with arbitrary transparency of the SN interfaces. We formulate and solve the two-dimensional problem of finding the spatial distribution of the supercurrent in the SN electrodes. This allows us to determine the scale of the weak coupling region in the SN-N-NS bridges, i.e., to describe this structure as a serial connection between the Josephson contact and the linear inductance of the current-carrying electrodes. We show that the presence of a t

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