Relevant bibliographies by topics / Fluorine introduct

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Fluorine introduct'

Author: Grafiati
Published: 9 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Fluorine introduct"

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Ye, Hao Hua, Zhan Xiong Li, Guo Qiang Chen, Shao Qiang Zhou, and Jian He Cai. "Research Progress of Fluoride-Containing Acrylate Derivatives and their Application on Textile." Advanced Materials Research 331 (September 2011): 229–36. http://dx.doi.org/10.4028/www.scientific.net/amr.331.229.

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The research progress of fluorine-containing acrylate monomers and their polymers has been discussed. These monomers were classified systematically according to chemical structure, such as perfluoroalkylinyl esters monomers, methyl trifluoroacrylate monomers, and so on. The synthesis of fluorinate acrylate and their polymerization were introduced. In addition, the features of these fluoride-containing chemicals were discussed as well as their applications on fabrics and research trend.
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Zhao, Ming−Ming, Qiang Wang, Luke Saye Nenwon Krua, et al. "Application Progress of New Adsorption Materials for Removing Fluorine from Water." Water 15, no. 4 (2023): 646. http://dx.doi.org/10.3390/w15040646.

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A large amount of fluorine−containing wastewater was produced with the rapid development of the industry. Excessive fluoride content in water will not only endanger ecological security but also pose threat to human health. In this study, common new adsorbents for defluorination, such as metal−based adsorbents, natural adsorbents, and nanomaterial adsorbents were reviewed for its physicochemical properties and fluorine removal efficiency. The fluorine removal mechanism of different adsorbents was introduced in detail, and the future work of the removal of fluorine using novel adsorbents was pro
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CHEN, Shi Yi, and Shou Ting Zhang. "Research on the Utilization and Industry Development Strategies of Fluorite Resources in China's Fluorine Chemical Industry." Advanced Materials Research 581-582 (October 2012): 142–45. http://dx.doi.org/10.4028/www.scientific.net/amr.581-582.142.

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This paper introduced fluorite resource profiles on the basis of elaborated China fluorite resource utilization status, focusing on analysis of fluorite in the fluorine chemical industry, discusses the problems of our country in the fluorine chemical industry development and firefly stone rational use of resources and the sustainable development of China's fluorine chemical industry recommendations.
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Shevelev, G. A., L. I. Vasilenko, O. M. Pakhorukova, et al. "Emission determination of fluorine using «Grand-Potok» complex with sample injection into dc arc by spill-injection method." Industrial laboratory. Diagnostics of materials 85, no. 1II) (2019): 45–49. http://dx.doi.org/10.26896/1028-6861-2019-85-1-ii-45-49.

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An additional photodetector array BLPP-369 was installed on a «Grand-Potok» complex for rapid atomic-emission determination of the fluorine concentration in fluorite samples. Introduction of fluorite samples was carried out using the spill-injection method simultaneously with high pure calcium oxide introduction using the second conveyor belt. The use of an additional photodetector array with a spectral range of 528 – 536 nm provides the possibility of expanding the spectrum of CaF molecular lines with the intensity sufficient for determination of fluorine concentrations in fluorite samples. A
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Kim, Ah-Jin. "Type and Characteristics of Fluoride varnish." Journal of The Korean Dental Association 61, no. 7 (2023): 479–86. http://dx.doi.org/10.22974/jkda.2023.61.7.004.

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The composition of fluoride varnish has changed over time. Current fluoride varnishes used have the follow-ing active ingredients: 5% NaF with a rosin and ethanol. There is also a fluoride varnish containing 7700 µg F/g NH4F in synthetic polymer varnish base and ethanol solvent. Recently, to enhance remineralization, calcium– phosphate compounds were added to some fluoride varnishes. Also, light-curable resin-modified glass ionomer (RMGI) varnishes were introduced into the market. In this study, we compared and analyzed the composition and characteristics of several types of fluoride varnish,
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Jin, Huagui, Yixiao Wang, Xuebin An, et al. "A Review of Fluoride Removal from Phosphorous Gypsum: A Quantitative Analysis via a Machine Learning Approach." Materials 17, no. 14 (2024): 3606. http://dx.doi.org/10.3390/ma17143606.

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This review comprehensively explores fluoride removal from phosphogypsum, focusing on its composition, fluorine-containing compounds, characterization methods, and defluorination techniques. It initially outlines the elemental composition of phosphogypsum prevalent in major production regions and infers the presence of fluorine compounds based on these constituents. The study highlights X-ray photoelectron spectroscopy (XPS) as a pivotal method for characterizing fluorine compounds, emphasizing its capability to determine precise binding energies essential for identifying various fluorine spec
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Cho, Ja-Won. "Fluoride varnish application for children." Journal of The Korean Dental Association 48, no. 6 (2010): 454–58. http://dx.doi.org/10.22974/jkda.2010.48.6.003.

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Dental caries is one of the most common chronic diseases in the world, which are caused by complex actions of oral such factors as the bacteria, food, tooth, saliva and other factors. Although this is one of the typical oral diseases, we can acquire a high prophylactic effect by use of proper prophylactic measures and management. At the beginning of the 1940s, fluorine was first introduced to prevent dental caries which now is widely used. The fluorine application effects are varied from different concentrations and categories of fluorine, and different application method and frequency, etc. T
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Novosyolov, A., Yu Dreer, M. Nikitina, I. Novoselova, and S. Krapivin. "STUDY OF THE MINERALIZING EFFECT OF CRYOLITE AND ITS INFLUENCE ON THE PROCESSES OF CLINKER FORMATION." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 10, no. 2 (2024): 86–95. https://doi.org/10.34031/2071-7318-2024-10-2-86-95.

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The article discusses the effect of the addition of calcium fluoride CaF2 on the dissociation of calcium carbonate CaCO3. When calcium fluoride is added in amounts of 1 and 10% by fluorine ion, a low-temperature liquid phase is formed in the system of calcium carbonate CaCO3, calcium oxide CaO and calcium fluoride CaF2. The temperature of formation of the liquid phase depends on the amount of introduced calcium fluoride CaF2. The presence of a liquid phase leads to a decrease in the rate of decomposition of calcium carbonate, which contributes to the appearance of endothermic effects on the cu
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Sharma, Sahil, Alifia Ibkar, Danish Javid, et al. "Bio remedial Process: A Review on Removal of Fluoride from the Waste Water." Ecology, Environment and Conservation 29 (2023): 426–31. http://dx.doi.org/10.53550/eec.2023.v29i03s.073.

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Ground water has always been an important and most dependable source of water since prehistoric ages, but with rapid industrialization to meet the needs of growing population has stressed the ground water reservoir. Stress to ground water reservoir is just one problem; industrial waste has also introduced lots of new chemical substances in water bodies. Fluorides are one such pollutant that undermines living life forms especially human beings .There are primarily two sources of fluoride contamination in ground water. Geogenic sources and anthropogenic sources. Talking about the status of fluor
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Wang, Heng, Zongzheng Cao, Yuying Zhu, et al. "Tuning superconductivity of Bi2Sr2CaCu2O8+x by fluoride ion intercalation with LaF3 gate dielectric." Journal of Applied Physics 132, no. 21 (2022): 214301. http://dx.doi.org/10.1063/5.0121822.

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We demonstrate fluorine intercalation into Bi2Sr2CaCu2O8+x (BSCCO) flakes, as thick as 100 nm, by back-gating a single crystalline LaF3 substrate. Element-sensitive analysis not only confirms the presence of fluorine in BSCCO after gating but also reveals lateral diffusion of fluorine in BSCCO. Transport measurements further demonstrate the hole-doping effect of fluoride ions in BSCCO through effective modulation of the superconducting transitions. Our work introduces a distinct type of ions (F−) that can be intercalated into materials via solid state back-gating. It broadens the toolbox of io
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Dissertations / Theses on the topic "Fluorine introduct"

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IANNONE, MARCO NICOLA. "DEVELOPMENT OF NEW “GENERAL PURPOSE” METHODS TO INTRODUCE FLUORINE-18 IN BIOLOGICALLY ACTIVE MOLECULES." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2023. https://hdl.handle.net/10281/402443.

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Il presente lavoro è stato incentrato sulla radiosintesi e caratterizzazione di una serie di derivati PSMA-617 diversamente funzionalizzati, con l'obiettivo di implementare dei metodi “general purpose” per l'introduzione del fluoro-18, in condizioni “mild”, in macromolecole di potenziale interesse come radiofarmaci PET. Sono stati considerati tre diversi approcci, scegliendo la molecola PSMA-617 come modello; il fluoro-18 è stato introdotto: i) tramite "click chemistry", ii) coordinando opportuni chelanti con [18F]AlF2+, e iii) per sostituzione nucleofila di gruppi uscenti potenzialmente inter
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Ye, Yun-Sheng, and 葉昀昇. "Synthesis and Characterization of Low K Polyimide Introduced Fluorine-POSS." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/37749602994531815460.

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碩士<br>國立雲林科技大學<br>工業化學與災害防治研究所<br>94<br>In this study, the reactive fluorine POSS was introduced in polyimide structure to form a curing framework of PI-OFG nanocomposite and it was expected to enhance the thermal and mechanical properties and decreased the dielectric constant of PI. The OFG chemical structure was characterized by FTIR and 1H-NMR. The OFG possessed average four epoxy and four fluorine groups. In the thermal properties, the OFG was able to cured with PAA to form curing structure during the imidization. Due to the curing structure of PI-OFG nanocomposite, the Tg of PI was increa
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Book chapters on the topic "Fluorine introduct"

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Frohn, Hermann-Josef. "Tetramethylammonium Fluoride, [N(CH3)4]F, a Widely Applicable Reagent to Introduce Fluoride Ions and a Suitable Nucleophile to Initiate the Transfer of Perfluoroorganyl Groups to Electrophiles." In Efficient Preparations of Fluorine Compounds. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118409466.ch13.

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Waiczies, Sonia, Christian Prinz, Ludger Starke, et al. "Functional Imaging Using Fluorine (19F) MR Methods: Basic Concepts." In Methods in Molecular Biology. Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-0978-1_17.

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AbstractKidney-associated pathologies would greatly benefit from noninvasive and robust methods that can objectively quantify changes in renal function. In the past years there has been a growing incentive to develop new applications for fluorine (19F) MRI in biomedical research to study functional changes during disease states. 19F MRI represents an instrumental tool for the quantification of exogenous 19F substances in vivo. One of the major benefits of 19F MRI is that fluorine in its organic form is absent in eukaryotic cells. Therefore, the introduction of exogenous 19F signals in vivo wil
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Ambarkova, Vesna. "Dental Caries Prevention." In Oral Health - A Comprehensive Guide to Clinical Insights, Best Practices, and Current Issues [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1009526.

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Various forms of fluoride have been used in dentistry for the past 70 years to prevent tooth decay. The results have been very successful, which is why the frequency and prevalence of dental caries in the 1990s significantly decreased compared to that of the 1950s. Fluoride caries prevention originates from mechanisms that act before and after tooth eruption. In the period before tooth eruption, the introduced fluorides are incorporated into the hydroxyapatite crystal, reducing the solubility of the enamel. The calcification of primary teeth begins in the fifth month of pregnancy, and the crea
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Gupte, Tanvi, and Thalappil Pradeep. "New materials for arsenic and fluoride removal." In Technological Solutions for Water Sustainability: Challenges and Prospects. IWA Publishing, 2023. http://dx.doi.org/10.2166/9781789063714_0073.

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Arsenic and fluoride are two major global water pollutants. They are introduced into the environment via various natural and anthropogenic activities. Several countries in the world are facing the detrimental health and environmental effects of these contaminants. Many technologies have been proposed and implemented for the removal of arsenic and fluoride from water. However, there is an ever-increasing demand for affordable and reliable water purification approaches. All the technologies are primarily based on any one of the following purification techniques: membrane filtration, reverse osmo
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"Chlorination Using Chlorine Gas." In Greener Organic Transformations. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00050.

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Halogenation is the reaction by which one or more halogens (i.e. fluorine, chlorine, bromine, iodine) are introduced into an organic compound. Halogenation using chlorine gas is industrially the most important halogenation reaction. This chapter discusses the important uses of chlorination as well as the hazards of working with chlorine gas, before looking at the green issues around chlorine production.
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Xu, Long, and Jiajia Dong. "Applications of SuFEx Click Chemistry in Polymer Science." In Click Chemistry in Polymer Science. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781839169885-00156.

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Sulfur(vi) fluoride exchange (SuFEx) was identified as another embodiment of click chemistry by Sharpless and colleagues in 2014. Since its discovery, SuFEx click chemistry has sparked numerous applications in synthetic chemistry, chemical biology, polymer science, etc. This chapter introduces the use of SuFEx to prepare functional polymers and the post-modification of polymers. We believe that the simplicity, practicality and the orthogonal nature of SuFEx click chemistry, along with the 3D connectivity of the –S(vi)– node, will provide exciting new opportunities in polymer science.
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"Methods for Improving Photocatalytic Activity." In Introduction to Photocatalysis: From Basic Science to Applications. The Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/bk9781782623205-00142.

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The recent researches aiming at enhancing a higher photocatalytic activity and the visible light responsibility are surveyed. Various factors affecting the photocatalytic activities such as particle size, crystalline phases and facets, metal ion and anion doping in semiconductors are explained in detail. Furthermore, novel attempts such as surface modifications with fluoride or phosphate treatment, the deposition of transition metal ions or noble metals, the combined use of semiconductors or adsorbents, and the additives in solution are briefly introduced. Finally, the effects of the technical
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Wright, Patrick. "Drinking Water in a Toxic State." In A Journey Through Ruins. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780199541942.003.0013.

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Abstract In 1966 Hackney Council joined the London Boroughs Association in demanding the compulsory fluoridation of London’s drinking water. It was promptly denounced by the members of ‘Hackney Against Fluoridation’, a local campaign which accused the council of seeking to infringe on ‘a fundamental freedom of the individual’. But this was the age of state reform and it was with unswerving confidence that a properly elected champion of the public good, Labour Councillor Lou Sherman, OBE, Chairman of Hackney’s Public Health Committee, ran a bulldozer over their upstart objection: ‘If we rely on
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Maskill, Howard. "Correlation analysis: quantitative relationships between molecular structure and chemical reactivity." In Structure and Reactivity in Organic Chemistry. Oxford University Press, 1999. http://dx.doi.org/10.1093/hesc/9780198558200.003.0003.

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This chapter evaluates quantitative relationships between molecular structure and chemical reactivity. An appreciation of the relationship between structure and reactivity is central to modern organic chemistry, and qualitative notions are introduced from the earliest stages. Consequently, organic chemists can usually predict whether there has been the replacement of a hydrogen by a methyl, for example, or whether a chlorine by a fluorine in a compound will be rate-increasing or rate-decreasing in a particular reaction. Correlation analysis is a technique which facilitates quantification of su
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Thomas, Susan E. "Properties of organosilicon compounds." In Organic Synthesis. Oxford University Press, 1991. http://dx.doi.org/10.1093/hesc/9780198556626.003.0007.

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Abstract This chapter describes the properties of bonds to silicon. It exhibits the relative strengths of bonds that silicon and carbon form with some other elements, noting that silicon forms stronger bonds than carbon to oxygen and the halogens, and weaker bonds to carbon and hydrogen. The chapter points out that much of organosilicon chemistry is driven by the formation of strong silicon-oxygen or silicon-fluorine bonds at the expense of other weaker bonds. The chapter then moves to demonstrate the relative increases in bond lengths between selected atoms attached to silicon and the corresp
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Conference papers on the topic "Fluorine introduct"

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Rawal, S. M. "Elastomeric Materials with Excellent Sealing Force Retention and for Harsh Environments in Oil Field Applications." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91460.

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Abstract In this paper two new fluoroelastomeric materials with excellent sealing force retention and good explosive decompression resistance will be presented. Part one of my paper will show the laboratory tests, e. g. long-term compression set results obtained at Merkel in Hamburg, Germany, and the sealing force retention test results obtained at the Rubber and Plastics Research Institute (RAPRA) in the U.K. of a 70 Durometer A FKM compound MK 632 based on a copolymer of vinylidene fluoride (VF2) and hexafluoropropylene (HFP) with a fluorine content 65 - 66%, in comparison to a standard FKM
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Seiler, David A., and Jaclyn M. Sekula. "Applications for Polyvinylidene Fluoride and Its Copolymers for Corrosion Resistance in the Chemical Process Industry." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08530.

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Abstract Polyvinylidene fluoride (PVDF) based polymer resins have been used for corrosive and chemically aggressive fluid containment since 1964. Original components supplied with this resin were rigid piping, valves &amp; fittings, tanks, linings, and heat shrinkable tubing. As plastic processing technologies grew, additional products were offered such as nozzles, dump tower packing, pumps, flow meters, coatings, filtration membranes, and fabrics. In the 1980’s copolymers of vinylidene fluoride and hexafluoropropylene (HFP) were introduced to compliment the very rigid PVDF product line with a
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Wood, Kurt, Quentin Boulay, and Charles Weidner. "20 Year Colour Lifetimes for Architectural Restoration Coatings – Theory and Reality." In SSPC 2016 Greencoat. SSPC, 2016. https://doi.org/10.5006/s2016-00078.

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Abstract Highly engineered PVDF (polyvinylidene fluoride) based coatings have evolved over the years to meet the specific requirements of market segments. Over 50 years ago, high temperature-baked PVDF based finishes were introduced to the architectural community to protect the metal components of skyscrapers, stadiums, and other landmark structures. The multi-decade service life and extreme weatherability of these coatings is attested to by outdoor Florida exposure and demonstrated by performance on structures worldwide. Solvent borne “air-dry” PVDF systems for field applied touch-up, repair,
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Jiang, Jing, Qiang Lei, Chen Xu, et al. "Summary of the Practice of Clearance of Uranium-Containing Calcium Fluoride Slags in China’s Nuclear Facilities." In 2021 28th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/icone28-64357.

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Abstract During the operation of some nuclear facilities in China, a large amount of uranium-containing and fluorine-containing wastewater will be produced, which requires de-uranium and de-fluorine treatment before discharge. The commonly used method for removing fluoride at present is the chemical lime precipitation method, that is, adding lime to fluorine-containing wastewater to combine fluoride ions with calcium ions to form calcium fluoride precipitation that is insoluble in water. This method has the advantages of low cost and easy operation, but it will produce a large amount of uraniu
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Olewine, Michael C., John F. DiGregorio, Gus J. Colovos, Kevin F. Saiz, and Hongjiang Sun. "Passivation Cracks in a Four-Level Metal Low-K Dielectric Backend Process." In ISTFA 2000. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.istfa2000p0267.

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Abstract Mechanical stress problems in integrated circuit devices are becoming more severe as the number of metal interconnect levels increases and new materials such as low-k dielectrics are introduced. We studied dielectric cracking in a four-level Al-Cu interconnect structure that uses hydrogen silsesquioxane (HSQ), a low dielectric constant (low-k) material. The cracks extended down through the passivation layers to the HSQ layer. For the first time we report on passivation dielectric cracks directly related to the level of residual fluorine in a plasma enhanced chemical vapor deposition (
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Younan, Hua, Nistala Ramesh Rao, and Chen Shuting. "Fluorosilicate Glass (FSG) Outgassing Induced Aluminum Bond Pad Corrosion during Post-Fab Wafer Storage." In ISTFA 2012. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.istfa2012p0305.

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Abstract A case study of Fluorine (F)-outgassing is presented in this paper that caused the corrosion of Aluminum bond pad. It will be shown that the source of F-contamination is not the typical residue left behind after the passivation etch with Fluorine-based gas chemistry and the subsequent removal of the etch polymer generated with solvent (chemical) clean. Rather, it is introduced as a result of F-outgas over a period of time from the intermetallic dielectric (IMD) film, fluorosilicate glass (FSG), during the post-fab wafer storage. The methodology used in our failure analysis (FA) lab to
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Hansen, S. I., J. H. Marsh, J. S. Roberts, and R. Gwilliam. "Refractive-index changes arising from boron and fluorine impurity induced disordering in optoelectronic integration." In Integrated Photonics Research. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/ipr.1991.thd3.

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The technique of impurity induced disordering (IID) by using the neutral impurities boron and fluorine introduced by ion implantation has received much attention. As opposed to IID produced by diffusion, implantation by ion beams facilitates abrupt, localized regions in which disordering can be carried out. This permits good lateral and longitudinal control of the disordering process.
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Mohammad, K. A., L. J. Liu, S. F. Liew, et al. "A Study of Pad Contamination Defect and Removal." In ISTFA 2008. ASM International, 2008. http://dx.doi.org/10.31399/asm.cp.istfa2008p0464.

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Abstract The paper focuses on the pad contamination defect removal technique. The defect is detected at the outgoing inspection step. The failure analysis results showed that the defect is Fluorine type contamination. The failure analysis indicated many source contributors mainly from Fluorine based processes. The focus is in the present work is in the rework method for the removal of this defect. The combination of wet and dry etch processing in the rework routine is utilized for the removal of the defect and preventive action plans for in-line were introduced and implemented to avoid this ev
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Putra, Feryantama. "Neutronic Study on Conceptual Lithium Fluoride Salt Cooled Fusion Driven System for Actinide Transmutation." In 2020 International Conference on Nuclear Engineering collocated with the ASME 2020 Power Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icone2020-16368.

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Abstract The subcritical fission system could be used to transmute actinide elements from spent fuel into thermal power. Since the subcritical system needs an external neutron source, the D-T Fusion reactor was introduced as a fast neutron source to drive the chain reaction. Fusion driven system based on Spherical tokamak with a 1.7 m major radius has been designed. The breeding blanket has been modified to accommodate space for a 4.8 m length oxide fuel rod. Oxide fuel rods were immersed inside the lithium fluoride salt blanket, which acts as a coolant and liquid tritium breeder. The fully li
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Sohn, Y. H., P. Mohan, P. Schelling, and D. Nguyen. "Degradation of Thermal Barrier Coatings by Fuel Impurities and CMAS." In ITSC2009, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. ASM International, 2009. http://dx.doi.org/10.31399/asm.cp.itsc2009p0089.

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Abstract This study investigates the degradation of YSZ-CoNiCrAlY thermal barrier coatings (TBCs) due to vanadium and phosphorus pentoxides and calcium-magnesium aluminosilicate (CMAS) sand at temperatures up to 1400 °C. The pentoxides are shown to degrade bond coat and topcoat layers through acidic dissolution, while CMAS sand is shown to degrade YSZ layers through ingress and the precipitation of ZrO2 grains. Density functional theory simulations provide insights on reactions at the surface of fluorite-structured oxides and the role of oxygen vacancy clustering. A method to mitigate melt-inf
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