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Dissertations / Theses on the topic 'Oxygen-plasma'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Kelly, Jonathan M. "Osteoblast response to oxygen functionalised plasma polymer surfaces." Thesis, University of Sheffield, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246918.

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2

Muir, Benjamin Ward. "Oxygen plasma treatment of polycarbonate for improved adhesion of plasma deposited siloxane thin films." Monash University, School of Physics and Materials Engineering, 2004. http://arrow.monash.edu.au/hdl/1959.1/9721.

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3

Heyno, Eiri. "Production of reactive oxygen species in plasma membranes, mitochondria and chloroplasts." Paris 11, 2009. http://www.theses.fr/2009PA112192.

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Les formes réactives de l’oxygène (FRO) ont été analysées dans différents compartiments cellulaires en utilisant des méthodes spectroscopiques (UV/VIS, fluorescence, infrarouge, résonance paramagnétique électronique). L’identité et les mécanismes catalytiques des enzymes qui produisent les FRO dans les membranes plasmiques (MP) et les mitochondries ont été étudiés, ainsi que le rôle protectif de l’oxydase terminale plastidiale (PTOX) des chloroplastes. Cd2+ s’est révélé être un inhibiteur de la NADPH oxydase des MP. In vivo Cd2+ inhibait la production extracellulaire de O2. - mais stimulait l’

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4

Gomez, S. "Laser induced fluorescence measurements in inductivity coupled of processing plasmas." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368755.

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5

Tuckute, S., L. Pranevicius, L. Pranevicius та M. Urbonavicius. "Oxygen implantation and behaviour into Ті thin films from water vapour plasma". Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20814.

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The behavior of O atoms in Ti film is investigated under high-flux, low-energy molecular water ion implantation. After 10 min of irradiation at room temperature, the anomalously deep penetration of oxygen without formation of new chemical compounds observable by XRD has been registered in Ti films using Auger spectroscopy analysis. It is shown that the surface energy increases under ion irradiation, and the relaxation processes minimizing the surface energy initiate the redistribution of atoms. Two surface energy relaxation processes are considered: (i) the mixing of atoms on the surface resu

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6

Khan, M. A. "Modified poly(styrene) : Surface analysis and biointeractions." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233675.

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7

Duddy, Pamela E. "Electron scattering by molecular oxygen." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287611.

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8

Shin, Dong Myung. "Growth of doped transparent conducting oxides by oxygen plasma assisted atomic beam epitaxy." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:28455c43-7153-4452-a313-299c09a68ce3.

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Interest exists in the development of transparent conducting oxide materials, which have diverse applications in areas such as transparent coatings for display technologies, solar cells, and optoelectronics. Since many of the applications require the use of thin film forms, the need is to establish useful experimental approaches to the fabrication of such structures. One relatively new method in this area is oxygen-plasma assisted atomic beam epitaxy (OPABE) in which oxide layers are grown under normal molecular beam epitaxy (MBE) conditions with the addition of an oxygen atom beam to ensure f

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9

Morrison, Daniel Scott Simpson. "Controlled surface nanotopography and oxygen plasma treatment of PEEK to improve cellular response." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7804/.

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Poly(aryl-ether-ether-ketone) (PEEK) is a semi crystalline polymer which exhibits properties that make it an attractive choice for use as an implant material. It displays natural radiolucency, and MRI compatibility, as well as good chemical and sterilization resistance, both of which make it of particular interest in orthopaedic implants. However, PEEK has demonstrated poor cellular adhesion both in vitro and in vivo. This is problematic as implant surfaces that do not develop a layer of adhesive cells are at risk of undergoing fibrous encapsulation, which in turn leads to lack of a strong int

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10

Mertens, Jeremy. "Atmospheric plasma treatment of aluminum alloy surfaces: Oxide growth and oxygen rich organic coating deposition." Doctoral thesis, Universite Libre de Bruxelles, 2019. https://dipot.ulb.ac.be/dspace/bitstream/2013/287803/3/these.pdf.

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L’objectif de cette thèse consiste en une étude fondamentale de différentes approches pour la modification de surfaces d’alliages d’aluminium. Elle s’inscrit dans le cadre du projet FLYCOAT, subventionné par la région Wallonne. Ce dernier avait pour objectif le développement d’alternatives au couplage classique d’un procédé d’anodisation utilisant des bains de Cr (VI) aux résines époxy pour la protection des alliages d’aluminium contre la corrosion. Dans un premier temps, la synthèse par plasma atmosphérique dans un réacteur de type décharge à barrière diélectrique (DBD) de films riches en gro

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11

Chartosias, Marios. "Argon-oxygen atmospheric pressure plasma treatment on carbon fiber reinforced polymer for improved bonding." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=1606056.

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<p> Acceptance of Carbon Fiber Reinforced Polymer (CFRP) structures requires a robust surface preparation method with improved process controls capable of ensuring high bond quality. Surface preparation in a production clean room environment prior to applying adhesive for bonding would minimize risk of contamination and reduce cost. Plasma treatment is a robust surface preparation process capable of being applied in a production clean room environment with process parameters that are easily controlled and documented. Repeatable and consistent processing is enabled through the development of a

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12

Preppernau, Bryan Lee. "Laser diagnostics of atomic hydrogen and oxygen production in RF and microwave plasma discharges /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487841975360103.

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13

Brown, Hayley L. "The properties and performance of moisture/oxygen barrier layers deposited by remote plasma sputtering." Thesis, University of Surrey, 2015. http://epubs.surrey.ac.uk/809535/.

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The development of flexible lightweight OLED devices requires oxygen/moisture barrier layer thin films with water vapour transmission rates (WVTR) of < 10-6 g/m2/day. This thesis reports on single and multilayer architecture barrier layers (mostly based on SiO2, Al2O3 and TiO2) deposited onto glass, Si and polymeric substrates using remote plasma sputtering. The reactive sputtering depositions were performed on Plasma Quest S500 based sputter systems and the morphology, nanostructure and composition of the coatings have been examined using SEM, EDX, STEM, XPS, XRD and AFM. The WVTR has been de

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14

Hillborg, Henrik. "Loss and recovery of hydrophobicity of polydimethylsiloxane after exposure to electrical discharges." Doctoral thesis, KTH, Polymer Technology, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3082.

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<p>Silicone rubber based on polydimethylsiloxane is used ashigh voltage outdoor insulation, due to its ability to preservethe hydrophobic surface properties during service and evenregain hydrophobicity after exposure to electrical discharges.The underlying processes for the hydrophobic recovery arediffusion of low molar mass siloxanes from the bulk to thesurface and reorientation by conformational changes ofmolecules in the surface region. Only little is known of whichfactors are responsible for the long-term stability of thishydrophobic recovery. It is therefore important to increase theknowl

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15

Kalghatgi, Sameer Ulhas Friedman Gary. "Mechanisms of interaction of non-thermal plasma with living cells /." Philadelphia, Pa. : Drexel University, 2010. http://hdl.handle.net/1860/3208.

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16

Moskowitz, Steven. "Atomic force miscroscopy [sic] study of SiO₂/Si(111)--(7x7) grown via atomic oxygen plasma /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/11556.

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17

Reuter, Stephan. "Formation mechanisms of atomic oxygen in an atmospheric pressure plasma jet characterised by spectroscopic methods." Göttingen Cuvillier, 2007. http://d-nb.info/987988204/04.

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18

Reuter, Stephan. "Formation mechanisms of atomic oxygen in an atmospheric pressure plasma jet characterised by spectroscopic methods /." Göttingen : Cuvillier, 2008. http://d-nb.info/987988204/04.

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19

Smith, Russell Lynn. "Oxygen Plasma Surface Activation of Polynorbornene for Bonding to Glass with Applications to Microfluidic Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1302490060.

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20

Zhou, Renwu. "Direct and indirect activation of biological objects using cold atmospheric plasma." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/131872/2/Renwu%20Zhou%20Thesis.pdf.

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This project was a step forward in the development and application of chemically reactive physical plasmas for direct and indirect treatment of biological objects. The project unravelled the link between plasma-generated chemistry and resultant bioactivity, so as to improve the cold plasma devices for specific applications. The project investigated the interactions of cold plasmas with biological objects including plant seeds, living cells and microorganisms, to provide some theoretical and experimental bases for the development of plasma applications.

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21

Tserepi, Angeliki D. "Laser diagnostics for bulk and near-surface detection of atomic hydrogen and oxygen in plasma environments /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487858106118461.

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22

Malara, Antonio Benedetto. "Trattamento plasma assistito di cellule cancerose mediante liquidi attivati tramite plasma di non equilibrio a pressione atmosferica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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In questi ultimi anni la ricerca oncologica ha intrapreso un percorso di frontiera che si basa sul plasma di non equilibrio a pressione atmosferica per produrre un blend di specie chimiche sfruttabili per lo sviluppo di nuove terapie. Nel presente lavoro di tesi sperimentale sono stati analizzati gli effetti antineoplastici di un trattamento plasma assistito indiretto su una linea cellulare di carcinoma epiteliale ovarico (SKOV-3) mediante un mezzo di coltura attivato tramite una sorgente Dielectric Barrier Discharge (DBD) e una sorgente corona multipin micropulsata, realizzata ex novo con l’o

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23

Ozgen, Ozge. "Plasma Surface Modification And Characterization Of Pmma Films." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613976/index.pdf.

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ABSTRACT PLASMA SURFACE MODIFICATION AND CHARACTERIZATION OF PMMA FILMS &Ouml<br>zgen, &Ouml<br>zge M.Sc., Department of Polymer Science and Technology Supervisor: Prof. Dr. Nesrin Hasirci Co-supervisor: Prof. Dr. Vasif Hasirci December 2011, 114 pages Surface properties play an essential role for determining the behavior of a material for many applications such as coating, printing, adhesion and prosthesis implanting since the surface is the first par

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24

Pasquariello, Donato. "Plasma assisted low temperature semiconductor wafer bonding." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2001. http://publications.uu.se/theses/91-554-4993-X/.

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25

Christie, Megan Allison. "KERATINOCYTE AND HEPATOCYTE GROWTH PROLIFERATION AND ADHESION TO HELIUM AND HELIUM/OXYGEN ATMOSPHERIC PRESSURE PLASMA TREATED POLYETHYLENE TEREPHTHALATE." NCSU, 2005. http://www.lib.ncsu.edu/theses/available/etd-11022005-223628/.

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To improve the surface properties of biomaterials, the effects of changes in surface chemistry and morphology of polyethylene terephthalate (PET) films treated with atmospheric pressure plasma were investigated as a function of cellular growth, proliferation, and adhesion. PET films were subjected to helium and helium/oxygen gas plasmas. The contact angle of the treated films decreased due to plasma etching and possible scission indicating that the surfaces become more hydrophilic. Atomic force microscopy results had a large standard error, however the surface visually showed changes in surfac

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26

Singh, John-Luke Benjamin. "Design and Fabrication of Micro-Channels and Numerical Analysis of Droplet Motion Near Microfluidic Return Bends." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31706.

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Three-dimensional spheroid arrays represent in vivo activity better than conventional 2D cell culturing. A high-throughput microfluidic chip may be capable of depositing cells into spheroid arrays, but it is difficult to regulate the path of individual cells for deposition. Droplets that encapsulate cells may aid in facilitating cell delivery and deposition in the return bend of a microfluidic chip. In this study, a low-cost method for fabricating polymer-cast microfluidic chips has been developed for rapid device prototyping. Computational fluid dynamic (CFD) simulations were conducted to qua

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27

Wilson, Darren James. "Plasma treatment of polymers for modifying haemocompatibility." Thesis, University of Liverpool, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367214.

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28

Kuntner, Nikolaj [Verfasser], and Uwe [Akademischer Betreuer] Riedel. "Modeling and simulation of electronic excitation in oxygen-helium discharges and plasma-assisted combustion / Nikolaj Kuntner ; Betreuer: Uwe Riedel." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2018. http://d-nb.info/1162893540/34.

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29

Greb, Arthur. "Dynamics of the plasma-surface interface in capacitively coupled radio-frequency oxygen plasmas : coupling numerical simulations with optical diagnostics." Thesis, University of York, 2013. http://etheses.whiterose.ac.uk/4980/.

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Plasma processing on industrial scale is becoming increasingly complex, demanding new strategies for process control and monitoring. Of particular interest is the energy transport in the interface region between the non-equilibrium low-pressure plasma and the surface. The individual plasma components have varying properties and exhibit different dynamics, which enable numerous chemical and physical modifications of surfaces simultaneously. Measurements of the in-situ surface condition and important chemically active radical species are extremely challenging. The most promising approach to over

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30

Menezes, Eduardo Serralta Hurtado de. "Síntese e passivação de nanofios de óxido de zinco." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/159201.

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Neste trabalho se realiza a síntese e caracterização de nanofios de óxido de zinco. Adicionalmente se apresenta o processo de montagem de um dispositivo para medidas elétricas deste material. Estuda-se complementarmente o efeito do tratamento de plasma sobre as propriedades de fotoluminescência do material. Nanofios foram sintetizados pelo mecanismo vapor-líquido-sólido (VLS), utilizando ouro como catalizador e safira c-plane como substrato. As amostras foram caracterizadas utilizando microscopia eletrônica de varredura, fotoluminescência a temperatura ambiente, difração de raios X, e microsco

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31

Weidler, Natascha [Verfasser], Ulrike [Akademischer Betreuer] Kramm, and Wolfram [Akademischer Betreuer] Jaegermann. "Plasma-enhanced chemical vapor deposition of cobalt-based catalysts for the oxygen evolution reaction / Natascha Weidler ; Wolfram Jaegermann, Ulrike Kramm." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/1134865961/34.

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32

Ganvir, Ashish. "Comparative analysis of Thermal Barrier Coatings produced using Suspension and Solution Precursor Feedstock." Thesis, Högskolan Väst, Avd för tillverkningsprocesser, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-6235.

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The research work performed in this thesis has been carried out at the Production Tech-nology Centre where the Thermal Spray research group of University West has its work-shop and labs. This research work has been performed in collaboration with the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad, India. First of all, I would like to express my sincere thanks and gratitude to my supervisors Dr. Nicolaie Markocsan and Dr. Nicholas Curry for their guidance, great support and valuable suggestions without which this work could not have been possibl

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33

Truchlá, Darina. "Charakterizace a aplikace mikrovlnného plazmatu pro hojení ran." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-414122.

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Non-thermal plasma has a lot of ways for using in nowadays medicine. It presents many useful actions like charged particles, UV light, electric field, radicals, excited atoms and molecules. That complicated chemistry directs to uncountable synergistic interaction between cold plasma and biological systems, involve cells and tissues. This thesis is about effects of cold plasma to wound healing. Two different microwave plasma systems were used for the presented study. The first one was argon plasma torch generated by surface wave using the quartz capillary, the second one was plasma torch with r

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34

Gokus, Tobias Dominik. "Time-Resolved Photoluminescence and Elastic White Light Scattering Studies of Individual Carbon Nanotubes and Optical Characterization of Oxygen Plasma Treated Graphene." Diss., lmu, 2011. http://nbn-resolving.de/urn:nbn:de:bvb:19-137318.

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35

Engelkamp, Bernd [Verfasser], Klaus [Gutachter] Schierbaum, and Mathias [Gutachter] Getzlaff. "Preparation and Characterization of Plasma Electrolytically Oxidized Titanium and its Application in Oxygen Sensing / Bernd Engelkamp ; Gutachter: Klaus Schierbaum, Mathias Getzlaff." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2021. http://d-nb.info/1238340571/34.

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36

Xu, Bao-Yang, and 許保陽. "Oxygen plasma modification of siloxane." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/50160392227578873642.

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37

Lin, Yu-Yin, and 林于尹. "Study of Oxygen Plasma Characteristics in the Inductively Coupled Plasma System." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/80748740310059531239.

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38

YAN, MING-SHUO, and 顏明碩. "Enhanced oxygen plasma stripping of ion implanted negative resist by hydrogen plasma pretreatment." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/04984497578524687324.

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39

Yang, Pengyuan. "The oxygen inductively coupled plasma discharge for spectrochemical analysis." 1987. https://scholarworks.umass.edu/dissertations/AAI8805980.

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An low-power oxygen ICP discharge has been investigated theoretically and experimentally. Temperature and flow fields have been calculated by computer simulations. The electron temperature and density, intensity ratio of ion line to atom line, and excitation temperature have been measured and compared with the LTE values. The analytical features also are evaluated. The low-power oxygen ICP discharge has been converted from a pre-running argon plasma. The torch used in the normal argon plasma is applied without modifications. The whole procedure is simplified to two steps, with a total conversi

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40

Anderson, Nicholas R. "Growth of alumina from aluminum films using oxygen plasma." 2004. http://etd.nd.edu/ETD-db/theses/available/etd-08112004-081951/.

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41

Shu, Jr-Ren, and 蘇志仁. "Surface modification of COC substrate by oxygen plasma treatment." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/re25v3.

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碩士<br>國立虎尾科技大學<br>光電與材料科技研究所<br>94<br>The surface of flexible electronic substrate was modified by oxygen plasma treatment. COC (cyclic olefin copolymer) was used to be the substrate in this study. The atomic components and chemical structure of the COC substrates modified by different plasma powers and times were examined by XPS (X-ray Photoelectron Spectrometer). The oxygen ratio of modified surface was depended on the plasma power and modified times. After peak fitting the C1s and O1s of XPS spectra, the C-O, C=O hydrophilic functional groups were created on the surface of COC substrate. Th

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42

Li, Jhan-Jhih, and 黎展志. "Electrical Properties of Diamond Nanotube Fabricated by Oxygen Plasma Etching." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/67779955078309519493.

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43

Guo, Jun-Liang, and 郭俊良. "Study and Characterization of Polyolefin film modified by Oxygen-Plasma." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/81606705500099646426.

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碩士<br>國立成功大學<br>化學工程學系<br>87<br>The surface of polyolefin films are inert which can’t adhere to ink, dye… etc. In the industry, corona treatments are commonly used in normal temperature and pressure to make surface to produce polarity and to increase roughness. Surface tension can reach 38 ~ 40 dyne/cm. The purpose is that to improve wettability and printability of problems after corona treatment, and to have nice adhesion between ink and polymer surface. Now most of all inks are belong to solvent type, which causes to environmental pollution and damage health of human body. So water paints is

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44

Liao, Chi-Fa, and 廖啟發. "Oxygen Plasma Ashing of Photo Spacer and It’s Spectral Analysis." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/45616235043171742083.

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碩士<br>中原大學<br>化學工程研究所<br>98<br>This study aims to probe into the correlation between photoresist ashing rates and concentration of various active species in the plasma. variations in ashing rates were observed by manipulating different flow ratios and recipes of Photo Spacer (PS) made by photoresist stripped from oxygen plasma, with the addition of NF3, helium and nitrogen. The peak intensity values of species excited state watched by Optical Emission Spectroscopy (OES) are used to calculate the concentration of each species and gas dissociation rates. This study reveals that oxygen is the mai

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45

Cheng, Han-Yuan, and 鄭漢源. "The Synthesis and Oxygen Plasma Treatment of AlSiN Thin film." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/e85493.

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碩士<br>國立虎尾科技大學<br>材料科學與綠色能源工程研究所<br>98<br>There are two phases in this study. In phase one, Nano-composite Al-Si-N films have been deposited on Si wafer and cemented carbide substrates using Al1-xSix alloy targets with different Si contents by a reactive unbalanced magnetron sputtering system. The influences of Si contents of target on the microstructure and mechanical properties of the Al-Si-N films were investigated；In phase two, the effects of oxygen plasma treatment on the microstructure, mechanical and corrosion properties of the Al-Si-N films have been explored. In this study, films were

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46

Tzu-TingChen and 陳姿庭. "Oxygen plasma treatment combining tropoelastin coating to modify zirconia implant." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/7f377s.

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47

LIN, BI-JUN, and 林璧君. "Studies on the hydrogen plasma pretreatment for the oxygen plasma stripping for ion implanted negative resist." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/04402273673926257693.

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48

Ping-Chang, Tsai. "Effect of oxygen plasma treatment on hemocompatability of titanium-based implant." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0007-1704200715053730.

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49

Tsai, Ping-Chang, and 蔡秉璋. "Effect of oxygen plasma treatment on hemocompatability of titanium-based implant." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/57615422874355548547.

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碩士<br>臺北醫學大學<br>口腔科學研究所<br>94<br>The biocompatibility of biomaterial surface direct contact with the host tissue plays a critical role in implantation. Biochemical method is a novel methodology with great potential for controlling initial bone-implant interactions in recently research. In order to improve the integration of implants, it is desirable to control interfacial reactions such that nonspecific adsorption of proteins is minimized to control and enhance tissue-healing phenomena. First, a dense TiO2 layer could be formed on titanium substrate by oxygen plasma treatment in this study. Th

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50

Chou, Wen-Pin, and 周文彬. "Study on Thin Oxide Growth After Oxygen and Nitrogen Plasma Treatment." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/89715681164783650272.

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碩士<br>國立交通大學<br>電子工程系<br>88<br>Thin-film characteristics of plasma treatment on silicon and silicon dioxide were studied in this thesis. Due to the superior electrical properties and thermal stability, silicon dioxide grown by thermal means has been utilized as the main gate-insulator in the MOSFETs for over 40 years. With the aggressive scaling of the dimension in modern devices, the thickness of the silicon dioxide has inevitably approached its physical limits. Thermally grown oxynitrides (SixOyNz) has been received great attention in these years to replace silicon dioxide because of its imp

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