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Nanoelectromechanical systems (NEMS) are nano-to-micrometer scale mechanical resonators coupled to electronic devices of similar dimensions. NEMS show promise for fast, ultrasensitive force microscopy and for deepening our understanding of…

介观与纳米尺度物理 · 物理学 2015-06-25 M. P. Blencowe

Fetal motion discernment utilizing spectral images extracted from accelerometric data incident on pregnant mothers abdomen has gained substantial attention in the state-of-the-art research. It is an essential practice to avoid adverse…

The technological advance of High Numerical Aperture Extreme Ultraviolet Lithography (High NA EUVL) has opened the gates to extensive researches on thinner photoresists (below 30nm), necessary for the industrial implementation of High NA…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Sara Sacchi , Bappaditya Dey , Iacopo Mochi , Sandip Halder , Philippe Leray

This paper presents a detailed noise analysis and a noise-based optimization procedure for resonant MEMS structures. A design for high sensitivity of MEMS structures needs to take into account the noise shaping induced by damping phenomena…

其他计算机科学 · 计算机科学 2008-12-18 Mrigank Sharma , Akila Kannan , Edmond Cretu

Hardware based image processing offers speed and convenience not found in software-centric approaches. Here, we show theoretically that a two-dimensional periodic array of dipole-coupled elliptical nanomagnets, delineated on a piezoelectric…

无序系统与神经网络 · 物理学 2023-01-24 Md Ahsanul Abeed , Ayan K. Biswas , Md Mamun Al-Rashid , Jayasimha Atulasimha , Supriyo Bandyopadhyay

Implementing microelectromechanical system (MEMS) resonators calls for detailed microscopic understanding of the devices, such as energy dissipation channels, spurious modes, and imperfections from microfabrication. Here, we report the…

应用物理 · 物理学 2023-03-22 Daehun Lee , Shahin Jahanbani , Jack Kramer , Ruochen Lu , Keji Lai

Nonlinear micro-electro-mechanical systems (MEMS) resonators open new opportunities in sensing and signal manipulation compared to their linear counterparts by enabling frequency tuning and increased bandwidth. Here, we design, fabricate…

Transmission electron microscope (TEM) images are often corrupted by noise, hindering their interpretation. To address this issue, we propose a deep learning-based approach using simulated images. Using density functional theory…

材料科学 · 物理学 2025-01-22 Jinwoong Chae , Sungwook Hong , Sungkyu Kim , Sungroh Yoon , Gunn Kim

Scanning Electron Microscopy (SEM) is indispensable in modern materials science, enabling high-resolution imaging across a wide range of structural, chemical, and functional investigations. However, SEM imaging remains constrained by…

Digital technologies have made it possible to deploy visual sensor nodes capable of detecting motion events in the coverage area cost-effectively. However, background subtraction, as a widely used approach, remains an intractable task due…

信号处理 · 电气工程与系统科学 2023-02-13 Sepehr Tabrizchi , Mehrdad Morsali , Shaahin Angizi , Arman Roohi

Directed atomic fabrication using an aberration-corrected scanning transmission electron microscope (STEM) opens new pathways for atomic engineering of functional materials. In this approach, the electron beam is used to actively alter the…

This proposes a novel ensemble deep learning-based model to accurately classify, detect and localize different defect categories for aggressive pitches and thin resists (High NA applications).In particular, we train RetinaNet models using…

图像与视频处理 · 电气工程与系统科学 2022-06-29 Bappaditya Deya , Dipam Goswamif , Sandip Haldera , Kasem Khalilb , Philippe Leraya , Magdy A. Bayoumi

Microelectromechanical systems (MEMS) that require contact of moving parts to implement complex functions exhibit limits to their performance and reliability. Here, we advance our particle tracking method to measure MEMS motion in operando…

应用物理 · 物理学 2018-11-21 Craig R. Copeland , Craig D. McGray , Jon Geist , Samuel M. Stavis

Image post-processing is used in clinical-grade ultrasound scanners to improve image quality (e.g., reduce speckle noise and enhance contrast). These post-processing techniques vary across manufacturers and are generally kept proprietary,…

图像与视频处理 · 电气工程与系统科学 2024-10-30 Ouwen Huang , Will Long , Nick Bottenus , Gregg E. Trahey , Sina Farsiu , Mark L. Palmeri

In this study, we present a computational framework tailored for the precise detection and comprehensive analysis of nanoparticles within scanning electron microscopy (SEM) images. The primary objective of this framework revolves around the…

图像与视频处理 · 电气工程与系统科学 2023-08-21 Aidan S. Wright , Nathaniel P. Youmans , Enrique F. Valderrama Araya

Nanoelectromechanical Systems (NEMS) are among the best candidates to measure interactions at nanoscale [1-6], especially when resonating oscillators are used with high quality factor [7, 8]. Despite many efforts [9, 10], efficient and easy…

Focused Ion Beam Scanning Electron Microscope (FIB-SEM) imaging is a technique that image materials section-by-section at nano-resolution, e.g.,5 nanometer width voxels. FIB-SEM is well suited for imaging ultrastructures in cells.…

定量方法 · 定量生物学 2020-08-06 Hans Jacob Teglbjærg Stephensen , Sune Darkner , Jon Sporring

With the increasing adoption of metal additive manufacturing (AM), researchers and practitioners are turning to data-driven approaches to optimise printing conditions. Cross-sectional images of melt tracks provide valuable information for…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Aagam Shah , Reimar Weissbach , David A. Griggs , A. John Hart , Elif Ertekin , Sameh Tawfick

Weighing particles above MegaDalton mass range has been a persistent challenge in commercial mass spectrometry. Recently, nanoelectromechanical systems-based mass spectrometry (NEMS-MS) has shown remarkable performance in this mass range,…

应用物理 · 物理学 2023-06-26 Batuhan E. Kaynak , Mohammed Alkhaled , Enise Kartal , Cenk Yanik , M. Selim Hanay

Transmission Electron Microscopy (TEM) is a powerful tool for imaging material structure and characterizing material chemistry. Recent advances in data collection technology for TEM have enabled high-volume and high-resolution data…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Josh Kacher , Yao Xie , Sven P. Voigt , Shixiang Zhu , Henry Yuchi , Jordan Key , Surya R. Kalidindi