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Journal articles on the topic 'Micro-focus x-ray tube'

Author: Grafiati

Published: 11 March 2023

Last updated: 31 July 2025

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1

Mazurov, Anatoly I., and Nikolay N. Potrakhov. "ABOUT TECHNOLOGIES OF X-RAY SYSTEMS FOR CONTROL OF ELECTRONIC COMPONENTS." Journal of the Russian Universities. Radioelectronics 22, no. 3 (2019): 113–21. http://dx.doi.org/10.32603/1993-8985-2019-22-3-113-121.

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Introduction. X-ray methods are currently widely used in manufacturing of various products and components of the electronics industry, including micro- and nano-electronics. One of the most informative and illustrative methods is projection X-ray microscopy. Specialized X-ray systems for process control are developed and used in industry. The key element in the design of an X-ray inspection system is an X-ray tube. In the overwhelming majority of cases, X-ray inspection systems are based on collapsible microfocus x-ray tubes with constant pumping. This greatly complicates the design of the ins

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2

Kim, Hyun Suk, Edward Joseph D. Castro, and Choong Hun Lee. "Optimum design for the carbon nanotube based micro-focus X-ray tube." Vacuum 111 (January 2015): 142–49. http://dx.doi.org/10.1016/j.vacuum.2014.10.009.

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3

Yoon, Kwon-Ha, Jong Hyun Ryu, Chang Won Jung, et al. "Differential X-ray phase-contrast imaging with a grating interferometer using a laboratory X-ray micro-focus tube." Journal of the Korean Physical Society 65, no. 12 (2014): 2111–16. http://dx.doi.org/10.3938/jkps.65.2111.

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4

Krivonosov, Yu S., A. V. Buzmakov, V. E. Asadchikov, and A. A. Fyodorova. "IN-LINE METHOD OF X-RAY PHASE-CONTRAST MICRO-CT USING A WIDE-FOCUS LABORATORY SOURCE." Кристаллография 68, no. 2 (2023): 189–95. http://dx.doi.org/10.31857/s0023476123020108.

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An experimental implementation of the “in-line” method of X-ray phase contrast using a standard wide-focus X-ray tube as a polychromatic source is described. Using the proposed experimental scheme, in vitro tomographic measurements of a sample of human brain pineal gland are carried out, and the morphological structure of the soft tissues of this organ is visualized based on the results obtained. The advantage of phase-contrast tomography in comparison with traditional absorption tomography for studying the structural features of soft tissues is experimentally demonstrated. The “in-line” phase

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5

Sarshough, Samira, Kamal Hadad, and Reza Faghihi. "Particle size and concentration effects on low energy X-ray attenuation in nanostructure and microstructure materials." Nuclear Technology and Radiation Protection 33, no. 1 (2018): 75–80. http://dx.doi.org/10.2298/ntrp1801075s.

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The effects of microsize and nanosize particles in composite structures as well as the incident radiation energy on X-ray attenuation is the focus of this study. To examine these effects, composite samples with different particle sizes of Al2O3 and with different thicknesses were prepared. Characteristic X-rays are applied as monochromatic X-rays and measurements were performed using an X-ray tube with a secondary excitation source instead of radioisotopes. In order to improve the efficiency and minimize the background effects a special detection system was designed and prepared. The linear at

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6

Kim, Soo Sung, Geun Il Park, and Jin Hyun Koh. "Laser Welding of Dissimilar Sheath Metals." Materials Science Forum 580-582 (June 2008): 493–99. http://dx.doi.org/10.4028/www.scientific.net/msf.580-582.493.

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This work was carried out to obtain sound welds and to select the most suitable binary metal joint among three different dissimilar metal combinations such as Zr-4/Ta, Mo/Ta and Ti/Ta (seal tube/sensor sheath) joints for an instrumented nuclear fuel irradiation test. To do this, the Taguchi experimental method was employed to optimize the experimental data. In addition, metallography, micro-focus x-ray radiography and a hardness test were conducted to examine the welds. From the weld bead appearance, penetration depth and bead width as well as the weld defects standpoint, the Zr-4/Ta joint is

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7

Yang, Xiaoquan, Yuanzheng Meng, Qingming Luo, and Hui Gong. "High resolution in vivo micro-CT with flat panel detector based on amorphous silicon." Journal of X-Ray Science and Technology: Clinical Applications of Diagnosis and Therapeutics 18, no. 4 (2010): 381–92. http://dx.doi.org/10.3233/xst-2010-026900269.

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A high-resolution in vivo micro-CT system for combining with fluorescence molecular tomography (FMT), was constructed and applied in small animal imaging. The fast scanning micro-CT system designed to provide high-resolution anatomic information and reconstruction priors, consisted of a flat panel detector (FPD) based on amorphous silicon (a-Si) and a micro-focus x-ray tube. The Feldkamp algorithm was adopted in image reconstruction with graphic processing unit (GPU). The system spatial resolution of 13 lp/mm was achieved when the diameter of image field was 6 cm with the system magnification

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8

Wu, Xizeng, and Hong Liu. "A general theoretical formalism for X-ray phase contrast imaging." Journal of X-Ray Science and Technology: Clinical Applications of Diagnosis and Therapeutics 11, no. 1 (2003): 33–42. http://dx.doi.org/10.3233/xst-2003-00077.

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The in-line phase-contrast imaging has great potential for clinical imaging applications. This work presents a general theoretical formalism for the in-line phase-contrast imaging. The theoretical formalism developed in this work is derived by taking a new strategy to calculate the Fourier transform of image intensity directly. Different from the transport of intensity equation (TIE) formalism for phase-contrast imaging in literature [6], this general formalism covers both the near field regime and the holography regime of phase-contrast imaging. The image intensity formulas have been derived

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9

Perion, P., F. Arfelli, R. H. Menk, and L. Brombal. "Spectral micro-CT for simultaneous gold and iodine detection, and multi-material identification." Journal of Instrumentation 19, no. 04 (2024): C04023. http://dx.doi.org/10.1088/1748-0221/19/04/c04023.

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Abstract Multiple energy bin spectral micro-CT (SμCT) is an advanced imaging technique that allows multi-material decomposition according to their specific absorption patterns at a sub-100 μm scale. Typically, iodine is the preferred CT contrast agent for cardiovascular imaging, while gold nanoparticles have gained attention in recent years owing to their high absorption properties, biocompatibility and ability to target tumors. In this work, we demonstrate the potential for multi-material decomposition through SμCT imaging of a test sample at the PEPI lab of INFN Trieste. The sample, consisti

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10

Skarzynski, Tadeusz, Mathias Meyer, Przemyslaw Stec, Daniel Baker, Fraser White, and Zoltan Gal. "Smart Sensitivity Control with Agilent's New Range of S2 CCD Detectors." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C693. http://dx.doi.org/10.1107/s2053273314093061.

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With the recent improvements in the brightness of laboratory X-ray sources, high-quality data can be collected from a wider range of crystal samples on in-house diffractometers. To cope with the resulting increase in workload it is important to be able to collect highest-quality data as quickly and efficiently as possible. Agilent Technologies develop and supply X-ray systems for small-molecule and macromolecular crystallography, which include SuperNova line of diffractometers utilizing the latest generation sealed-tube micro-focus X-ray sources, as well as the new range of Atlas S2, Eos S2 an

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11

Powell, Eli, Trevor Woodard, Zhi Li, et al. "IGZO TFT Backplane Integration for µLED Flat-Panel Display." ECS Meeting Abstracts MA2024-02, no. 34 (2024): 2415. https://doi.org/10.1149/ma2024-02342415mtgabs.

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Display technologies have continuously evolved since the advent of cathode ray tube (CRT) displays in the early 1900s. Thanks to modern advancements, current display thicknesses are on the order of centimeters and their area has increased 10-fold. Modern flat panel display (FPD) systems consist of a TFT backplane that controls the filtering of a backlight or the modulation of emissive devices such as OLED or microLEDs (µLEDs). MicroLED technology is favored over organic light-emitting diode (OLED) technology due to its higher brightness, energy efficiency, and longer operational lifetime. Addi

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12

Schwarzer, R. A., and M. Wehrhahn. "Scanning X-ray Apparatus for Crystal Texture Mapping and Micro-Fluorescence Analysis." Advances in X-ray Analysis 38 (1994): 383–85. http://dx.doi.org/10.1154/s0376030800018024.

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Scanning x-ray mapping based on energy dispersive x-ray diffraction is a powerful technique for imaging the spatial distributions of crystal texture and elements [1, 2]. Odd-shaped samples can be studied in air at ambient pressure and without special preparation. A schematic drawing of the scanning x-ray apparatus is shown in Figure 1. A “white” radiation x-ray source (PHILIPS generator PW 1830/25 equipped with a fine-focus tungsten tube) rather than characteristic radiation is used. The high density target material gives rise to an intense continuous Bremsstrahlung background. A collimator, c

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13

Balasubramanian, Swathi Lakshmi, and Ganapathy Krishnamurthi. "X-ray scintillator lens-coupled with CMOS camera for pre-clinical cardiac vascular imaging—A feasibility study." PLOS ONE 17, no. 2 (2022): e0262913. http://dx.doi.org/10.1371/journal.pone.0262913.

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We present the design and characterization of an X-ray imaging system consisting of an off-the-shelf CMOS sensor optically coupled to a CsI scintillator. The camera can perform both high-resolution and functional cardiac imaging. High-resolution 3D imaging requires microfocus X-ray tubes and expensive detectors, while pre-clinical functional cardiac imaging requires high flux pulsed (clinical) X-ray tubes and high-end cameras. Our work describes an X-ray camera, namely an “optically coupled X-ray(OCX) detector,” used for both the aforementioned applications with no change in the specifications

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14

Amoah, Papa K., Helmut Baumgart, Eric Jin, Virginia D. Wheeler, Michael McDonald, and Charles Hunt. "Characterization of Novel ALD Process for the Synthesis of CaO for 12CaO·7Al₂O₃ electride Applications." ECS Meeting Abstracts MA2022-02, no. 31 (2022): 1126. http://dx.doi.org/10.1149/ma2022-02311126mtgabs.

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In this work we report on a novel CaO ALD process development with a little used solid ALD precursor for Calcium. This forms part of a larger effort to synthesize 12CaO·7Al2O3 [C12A7], which is a new electronic oxide compound with very low work function and applications potentials in displays and Field-Emission (FE) Cathodes. Currently there are no existing thin film technologies for the conformal deposition of C12A7 electride films on complex device surfaces with nanoscale precision. Use of ALD to obtain precise nanoscale interleaving of CaO and Al2O3 layers over Micro-Hollow Cathode Discharg

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15

Adeoti, Olatunde Micheal, Abidemi Hawawu Bello, Olajumoke Elisabeth Adedokun, Kafilat Adenike Komolafe, David Ademola Adesina, and Opeyemi Joy Olaoye. "Distinctive Molecular typing of 16S rRNA of Bacillus species isolated from farm settlement." International Journal of Immunology and Microbiology 1, no. 1 (2021): 10–15. http://dx.doi.org/10.55124/ijim.v1i1.55.

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Introduction: There are numerous methods of isolating and detecting organisms that are similar and closely related; one of the most reliable method is molecular typing of 16S rRNA. Apart from being omnipresent as a multigene family, or operons; it is evolutionarily stable; the 16S rRNA gene (1,500 bp) is large enough for informatics purposes. Materials and Method: This study employed molecular sequencing of 16S rRNA by Sanger method to reveal the specific organisms’ nucleotides and blasting (BLASTn) to show the similarities between the resulting organisms and existing organisms. The 16S

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16

"125 kV end window for micro-focus X-ray tube." NDT International 23, no. 5 (1990): 308. http://dx.doi.org/10.1016/0308-9126(90)92286-a.

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17

Stolidi, Adrien, Anthony Touron, Julie Escoda, and Marius Costin. "X-ray phase contrast imaging model: application on tomography with a single 2D phase grating." e-Journal of Nondestructive Testing 27, no. 3 (2022). http://dx.doi.org/10.58286/26580.

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In this paper, we propose a model dedicated to X-ray phase contrast imaging, which is well adapted to the characterization or inspection of low attenuating samples. We introduce a hybrid approach that combines a ray-tracing step with a wave propagation computation. The mathematical basis of our model is described and we present a comparison of the model to experimental results, for the case of an optical fiber sample, in the framework of a free-propagation phase technique. The extension to the 3D imaging is proposed on simulated data using a grating based technique or more precisely, a multila

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18

Glinz, Jonathan, Michael Reiter, Tanja Gastinger, et al. "Porosity determination in additively manufactured Ti parts using X-ray tomography." e-Journal of Nondestructive Testing 24, no. 3 (2019). http://dx.doi.org/10.58286/23707.

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Ti6Al4V is a suitable titanium alloy for all kinds of medical implants and prostheses because of its high durability and biocompatibility. Furthermore, components of high complexity can be produced via additive manufacturing which allows for more flexibility and easy prototyping of patient specific implants. However, this flexibility implies the risk of internal defects resulting from the manufacturing process. The nondestructive investigation of critical components is therefore crucial to avoid premature failure. X-ray micro-computed tomography (XCT) is a method that can resolve internal stru

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19

Tsymbarenko, Dmitry, Dimitry Grebenyuk, Maria Burlakova, and Mirijam Zobel. "Quick and robust PDF data acquisition using a laboratory single-crystal X-ray diffractometer for study of polynuclear lanthanide complexes in solid form and in solution." Journal of Applied Crystallography 55, no. 4 (2022). http://dx.doi.org/10.1107/s1600576722005878.

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Self-assembled polynuclear lanthanide hydroxo complexes are important objects in the reticular chemistry approach to the design of various functional materials. Revealing their structure in the solid state and understanding the molecular mechanism of self-assembly in solution require a universal and reliable structural method. Pair distribution function (PDF) analysis is a powerful technique which enables structural insight for a wide range of crystalline and amorphous materials on the nanoscale, but commonly measurements are performed at synchrotron X-ray sources or on specially designed labo

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20

Shi, Yu, Juntao Li, Ke Li, et al. "Detector-trigger-based cardiac multiphase micro-CT imaging for small animals." Journal of X-Ray Science and Technology, July 18, 2023, 1–20. http://dx.doi.org/10.3233/xst-230034.

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BACKGROUND: Micro-computed tomography is important in cardiac imaging for preclinical small animal models, but motion artifacts may appear due to the rapid heart rates. To avoid influence of motion artifacts, the prospective ECG gating schemes based on an X-ray source trigger have been investigated. However, due to the lack of pulsed X-ray exposure modes, high-resolution micro-focus X-ray sources do not support source triggering in most cases. OBJECTIVE: To develop a fast-cardiac multiphase acquisition strategy using prospective ECG gating for micro-focus X-ray tubes with a continuous emission

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