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Showing 1-25 of 2,153 resultsfor "Index Terms":Original Scan
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Novel Micro Scanning with Integrated Atomic Force Microscope and Confocal Laser Scanning Microscope
Meng-Hao Chou;Ching-Chi Huang;Yi-Lin Liu;Huang-Chih Chen;Li-Chen Fu
2019 IEEE Conference on Control Technology and Applications (CCTA)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
Integrated atomic force microscope (AFM) and confocal laser scanning microscope (CLSM) can quickly obtain the three-dimensional (3-D) surface of the sample in large scanning range and recover the region of interesting (ROI) in nanoscale resolution. However, the traditional cooperative algorithm for integrated microscopes occupies too much scanning time. In this work, we develop a novel cooperative...Show More
Improvement of S-Ratio Measurement Method for Single-In-Line Package Leadframe Roughness
2024 1st International Conference on Robotics, Engineering, Science, and Technology (RESTCON)
Year: 2024 | Conference Paper |
This paper aims to report the improved method for surface area increase (S-ratio) measurement that is used for controlling surface roughness of single-in-line package (SIP) leadframe. The background of this paper is from resin bleed out and delamination issues that were found in a production line, even the roughness was controlled by S-ratio. S-ratio surface roughness was rechecked and confirmed w...Show More
Monuments Visualization: From 3D Scanned Data to a Holistic approach, an Application to the City of Aberdeen
2015 19th International Conference on Information Visualisation
Year: 2015 | Conference Paper |
Cited by: Papers (7)
This paper aims to present the process of visualizing historic statues of the city of Aberdeen. 3D laser scanning was the main method utilized to obtain the 3D data, which was then transformed into a series of 3D surface models. A laser scanner typically has a range of over 100m (300m for the equipment used here), and records data to levels of accuracy almost impossible to achieve using 'tradition...Show More
Research and application of 3D laser scanning technology in reversed modeling of hydropower station
2020 IEEE International Conference on Advances in Electrical Engineering and Computer Applications( AEECA)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
As a high-tech, high-precision and fully automatic stereo scanning technology, the 3D laser scanning is widely applied in topographic survey, cultural relics protection and digital city construction, while the research and application of 3D laser scanning in the digital construction of hydropower industry is just starting. In this paper, the 3D laser scanning technology is used to obtain the cloud...Show More
Failure diagnosis & reliability assessment of NiTi shape memory alloy spring for micro - Actuators
Himanshu Singh;Pratik Juikar;Tameshwer Nath Tiwari;B. K. Lad;I. A. Palani
2015 International Conference on Robotics, Automation, Control and Embedded Systems (RACE)
Year: 2015 | Conference Paper |
Shape memory effect reveals the recovery of original shape from deformed shape with residual strain through thermal cycling. This type of super-elastic behavior found in shape memory alloys are generally used as actuators in robotics, control and embedded systems. In the present study, first an experimental setup was developed to perform life tests of Nickel-Titanium Shape Memory Alloy (NiTi-SMA) ...Show More
The short depth of focus of aberration-corrected scanning transmission electron microscopes (STEMs) could potentially enable 3D reconstruction of nanomaterials through acquisition of a through-focal series. However, the contrast transfer function of annular dark-field (ADF)-STEM depth sectioning has a missing-cone problem similar to that of tilt-series tomography. The elongation as a function of t...Show More
An Empirical Approach to RTL Scan Path Design Focusing on Structural Interpretation in Logic Synthesis
2019 IEEE International Test Conference in Asia (ITC-Asia)
Year: 2019 | Conference Paper |
Register-transfer level (RTL) scan design aims at optimizing the scan logic as well as the original logic during logic synthesis by modifying a given RTL description to make every register scannable. The modified RTL description, however, is not uniquely determined for realizing the scan functionality, and therefore, one should carefully modify the description because different descriptions with t...Show More
A Comprehensive Comparison Between Design for Testability Techniques for Total Dose Testing of Flash-Based FPGAs
M. A. Ibrahim;M. M. Abdel-Aziz;M. S. Abdelwahab;A. A. Mohamed;N. S. Soliman;A. A. Abou-Auf
A comprehensive comparison between different design for testability (DFT) techniques for total-ionizing-dose (TID) testing of flash-based field-programmable gate arrays (FPGAs) is made to help designers choose the best suitable DFT technique depending on their application. The comparison includes muxed D scan, clocked scan, and enhanced scan DFT techniques. The comparison is done using ISCAS'89 be...Show More
Application of terrestrial 3D laser scanning technology in spatial information acquisition of urban buildings
2017 2nd International Conference on Image, Vision and Computing (ICIVC)
Year: 2017 | Conference Paper |
Terrestrial 3D laser scanning technology has provided a new method for obtaining the spatial information of urban buildings, because of its high accuracy and contactless model, can obtain large amount of 3D coordinates point cloud data of the target. This paper describes in detail the office and field work process and key technologies of the spatial information acquisition of urban buildings using...Show More
Study of the Electron Beam Effect on Critical Sizes of Photoresistive Mask Elements in SEM Measurements
Ilya V. Nelyubin;Yaroslav A. Rudometov;Alexander D. Volokhovskiy;Michail G. Putrya
2024 IEEE 25th International Conference of Young Professionals in Electron Devices and Materials (EDM)
Year: 2024 | Conference Paper |
In the present paper, we study the effect of photoresist line shrinkage used in KrF lithography processes while measuring the lateral dimensions of a photoresist mask by scanning electron microscopy. It is shown that the highest change in critical sizes is observed after the first two or three measurements, while sunsequent measurements have a smaller effect on the line shrinkage The influence of ...Show More
A Guaranteed Secure Scan Design Based on Test Data Obfuscation by Cryptographic Hash
Design-for-testability (DfT) techniques have been widely adopted into the integrated circuit (IC) design process to facilitate manufacture testing. The scan-based DfT architecture is a popular DfT feature that provides full testability for the circuit under test. However, this turns into a double-edged sword for some ICs such as cryptographic chips because scan design could be used as a side chann...Show More
Influence of the condition parameters on UV pulsed laser polishing of sapphire wafer
2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics
Year: 2009 | Conference Paper |
In this paper, the study on polishing characteristics of sapphire using a short pulse (25 ps) ultraviolet laser (355 nm) was conducted. The polished surfaces were observed and their surface roughness Ra was measured to analyze the correlations of surface roughness with pulse conditions, such as the influences of laser fluence, incidence angle, scanning speed and scanning manner. The research resul...Show More
Road Boundaries Detection Based on Local Normal Saliency From Mobile Laser Scanning Data
Hanyun Wang;Huan Luo;Chenglu Wen;Jun Cheng;Peng Li;Yiping Chen;Cheng Wang;Jonathan Li
The accurate extraction of roads is a prerequisite for the automatic extraction of other road features. This letter describes a method for detecting road boundaries from mobile laser scanning (MLS) point clouds in an urban environment. The key idea of our method is directly constructing a saliency map on 3-D unorganized point clouds to extract road boundaries. The method consists of four major ste...Show More
A Selective Trigger Scan Architecture for VLSI Testing
Mohammad Hosseinabady;Shervin Sharifi;Fabrizio Lombardi;Zainalabedin Navabi
Time, power, and data volume are among some of the most challenging issues for testing system-on-chip (SoC) and have not been fully resolved, even if a scan-based technique is employed. A novel architecture, referred to the selective trigger scan architecture, is introduced in this paper to address these issues. This architecture reduces switching activity in the circuit-under-test (CUT) and incre...Show More
Intelligent scanning method for UV-FAIMS detection
Youjiang Liu;Han Wang;Ke Guan;Xiaohua Wang;Shan Li;Chilai Chen
2017 32nd Youth Academic Annual Conference of Chinese Association of Automation (YAC)
Year: 2017 | Conference Paper |
Cited by: Papers (1)
UV-FAIMS has evolved as a powerful technique for separation and identification of volatile organic compounds (VOCs) under ambient pressure. It is an important method to scan compensation voltages (CV) at different dispersion voltages (DV) to realize two-dimensional high resolution of FAIMS. Repeat full-spectrum CV scanning consumes a lot of time. In this paper, an intelligent scanning method is pr...Show More
Near lossless image compression system
2012 Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics
Year: 2012 | Conference Paper |
Cited by: Papers (4)
Image compression has become an important issue in relation to storage and transmission. A very simple and efficient near lossless image compression system is suggested in this paper. In the forward compression algorithm, image pixels are shifted right by the base value. Then, Raster, Orthogonal, Diagonal and Snake scanning methods are applied before finding the difference between pixels. Finally,...Show More
Design of a Dual-Polarized Wide-Angle Scanning Planar Phased Array Antenna
A novel 2-D wide-angle scanning phased array antenna with ±45° dual-slant polarization is presented in this letter. The proposed dual-polarized antenna consists of two wide-beam dipole antennas with bent arms. To improve the active voltage standing-wave ratio (VSWR) of the array antenna at large scanning angles, vertical metallic patches are applied to the four sidewalls of the dual-polarized ante...Show More
Measurement of Aluminium Remnant Thickness on Copper Wire Bonding using 3D Laser Scanning Microscope
Saraswathy Supramaniam;Subashini Periasamy;Muhammad Nurhisham;Maria Abu Bakar;Azman Jalar
2023 IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA)
Year: 2023 | Conference Paper |
The integrity of bond pad Aluminum(Al) thickness is essential in silicon wafer processing. The extensive usage of electronic devices in automotive applications suggests that high reliability and long life are required. Therefore, the reliability of copper ball onto aluminum bond pad depends on the aluminum remnant and Cu-Al intermetallic formation. An assessment will be done between (3D) Laser Sca...Show More
Measurement of Aluminium Remnant Thickness on Copper Wire Bonding using 3D Laser Scanning Microscope
Saraswathy Supramaniam;Subashini Periasamy;Muhammad Nurhisham;Maria Abu Bakar;Azman Jalar
2023 IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA)
Year: 2023 | Conference Paper |
Extraction of urban road surface from mobile laser scanning point clouds
2022 2nd International Conference on Algorithms, High Performance Computing and Artificial Intelligence (AHPCAI)
Year: 2022 | Conference Paper |
Cited by: Papers (2)
The existing road extraction methods do not sufficiently consider the 3D distribution characteristics of the point clouds, such as the occluded features, resulting in misclassification. For this reason, this paper, by analyzing the normal vector characteristics and spatial distribution features of 3D road point clouds, propose a method for extraction of the structured roads in urban areas using mo...Show More
Factors Involved in the Scanning Electron Microscope Analysis of Glass Passivated Devices
9th Reliability Physics Symposium
Year: 1971 | Conference Paper |
Glass passivation of device surfaces can modify the information which can be obtained by the Scanning Electron Microscope. Integrated circuits containing a variety of defects have been studied before and after passivation to illustrate the deleterious effects of passivation on scanning microscopy analysis. In addition advantages of viewing the glass surface and techniques of glass removal and cont...Show More
RIHANN: Remote IoT Hardware Authentication With Intrinsic Identifiers
Shubhra Deb Paul;Fengchao Zhang;Patanjali SLPSK;Amit Ranjan Trivedi;Swarup Bhunia
IEEE Internet of Things Journal
Cited by: Papers (2)
The heterogeneous array of edge devices in an Internet of Things (IoT) infrastructure is increasingly vulnerable to physical in-field tampering attacks. These devices can significantly benefit from a difficult-to-clone and tamper-immune intrinsic identifier that can verify the authenticity or integrity of the physical components. In this article, we develop an intrinsic device identifier, RIHANN, ...Show More
The Source-Scanning Algorithm: mapping the distribution of seismic sources in time and space
We introduce a new method, which we call the Source-Scanning Algorithm (SSA), for imaging the distribution of seismic sources in both time and space. Using trial locations and origin times, the method calculates the ‘brightness’ function by summing the absolute amplitudes observed at all stations at their respective predicted arrival times. The spatial and temporal distribution of sources is then ...Show More
Tree Classification in Complex Forest Point Clouds Based on Deep Learning
Recently, the classification of tree species using 3-D point clouds has drawn wide attention in surveys and forestry investigations. This letter proposes a new voxel-based deep learning method to classify tree species in 3-D point clouds collected from complex forest scenes. The proposed method includes three steps: 1) individual tree extraction based on the density of the point clouds; 2) low-lev...Show More
Research on rapeseed plant modeling and optimization from 3D point cloud
2015 Fourth International Conference on Agro-Geoinformatics (Agro-geoinformatics)
Year: 2015 | Conference Paper |
As one of the most important oil crops, the high-accuracy rapeseed digital model contributes to agronomic horticulture, crop-breeding and plant genetics research. How to build a three-dimensional (3D) plant model, especially a high-quality leaf model, has great significance to the research on the rapeseed plant growth status. In this paper, we present a three-dimensional oilseed rape plant reconst...Show More
Broadband grid-slotted patch antenna array with wide-angle scanning property
2016 IEEE International Symposium on Antennas and Propagation (APSURSI)
Year: 2016 | Conference Paper |
The design of a planar broadband wide-angle scanning phased array based on radiator-sharing approach is presented. A broadband compact array with continuous aperture distribution is designed by using grid-slotted patch elements. Further, the radiator-sharing approach is applied to extending the scanning range of the array. A prototype of closely spaced seven-element linear array is constructed. Th...Show More
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