نتایج جستجو برای: scanning electron microscope sem

تعداد نتایج: 476330  

Journal: :Signal Processing 2009
Maria Zontak Israel Cohen

Recent computational methods of wafer defect detection often inspect Scanning Electron Microscope (SEM) images of the wafer. In this paper, we propose a kernel-based approach to multichannel defect detection, which relies on simultaneous acquisition of three different images for each sample in an SEM tool. The reconstruction of a source patch from reference patches in the three channels is cons...

Journal: :Journal of medical genetics 1985
C J Harrison E M Jack T D Allen R Harris

Human chromosome polymorphisms were investigated by scanning electron microscopy (SEM). Centromeric heterochromatin was of a constricted morphology. The extent of the C banded region was demarcated by a prominent circumferential groove in G banded chromosomes. Circumferential grooves were observed within the heterochromatin of chromosome 9, and the number of grooves present reflected the size o...

Journal: :international journal of nanoscience and nanotechnology 2011
s. sabbaghi r. bazargan lari m. zeraatkar

nano films consisting of an alternating sequence of positively and negatively charged polyelectrolytes have been prepared by means of the electrostatic layer-by-layer (lbl) sequential assembly technique on treated and untreated mild steel wires. inhibitor was encapsulated between cationic and anionic polyelectrolyte nano films. this paper mainly focuses on the effect of these nano-films of poly...

2014
S. Baiguera S. Casciardi F. Incoronato D. Cavallo C. L. Ursini A. Ciervo R. Maiello A. M. Fresegna A. M. Marcelloni D. Lega A. Antonini C. Fanizza

Several studies have been performed to understand the influence of titanium dioxide nanoparticles (TiO2-NPs) on cell function; however the effects of nanoparticle exposure on the plasma membrane have not been addressed so far. Since this interaction may alter cell metabolism and integrity, it is of importance to understand the modifications of the cell membrane, in particular of epithelial cell...

A. Dinesh Karthik K. Geetha,

A simple method has been employed to synthesize Copper and Copper oxide nanoparticles from Copper (II) succinate precursor by thermal decomposition method using oleylamine as a capping agent. The particles synthesized with oleylamine and triphenylphosphine were well dispersed nanoparticles obtained from X-ray Diffraction (XRD). The Synthesized copper nanoparticles were characterized by UV-Visib...

A. Dinesh Karthik K. Geetha,

A simple method has been employed to synthesize Copper and Copper oxide nanoparticles from Copper (II) succinate precursor by thermal decomposition method using oleylamine as a capping agent. The particles synthesized with oleylamine and triphenylphosphine were well dispersed nanoparticles obtained from X-ray Diffraction (XRD). The Synthesized copper nanoparticles were characterized by UV-Visib...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...

2002
Axel Bürkle Ferdinand Schmoeckel

At the University of Karlsruhe, a flexible micromanipulation station based on high-precise piezo-driven microrobots has been developed. Providing a flexible tool in several application fields in the micro world the robots operate either on the stage of an automated light optical microscope or inside the vacuum chamber of a scanning electron microscope (SEM). In order to automate manipulating ta...

2003
Kenji Watanabe Aritoshi Sugimoto Mari Nozoe

OVERVIEW: Volume production of 90-nm node semiconductor products began in 2003, and research has been already well advanced on products for the next-generation 65-nm technology node. As feature sizes descend further into the deep submicrometer range, it becomes increasingly important for maintaining quality and streamlined production to exploit a range of analytical tools that are tightly integ...

2014
Hua Li Hongqi Zhang Lin Yang Shanshan Lu Junbo Ge

Telocytes (TCs) are a novel type of interstitial cell of whom presence has been recently documented in many tissues and organs. However, whether TCs exists in bone marrow is still not reported. This study aims to find out TCs in mice bone marrow by using scanning electron microscope (SEM) and transmission electron microscope (TEM). SEM images showed that in mice bone marrow most of TCs have sma...

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