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Dissertations / Theses on the topic 'Vacuum optical thin-film coating'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Петров, Дмитро Вікторович. "Технологія оптичних кольорових стекол інфрачервоного діапазону спеціального призначення". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41528.

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Дисертація на здобуття наукового ступеня кандидата технічних наук (Ph.D) за спеціальністю 05.17.11 – технологія тугоплавких неметалічних матеріалів. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2019. Дисертація присвячена створенню оптичних кольорових стекол зі спектральними параметрами – коефіцієнтом пропускання на довжині хвилі 1060 τ(λ₁₀₆₀) >65 %, поглинанням у спектральному діапазоні до 950 нм та технологіям їх отримання. На цей час існуючі стекла лише частково виконують ці умови, або технології їх отримання є нерентабельними для масового виробництва,

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2

Петров, Дмитро Вікторович. "Технологія оптичних кольорових стекол інфрачервоного діапазону спеціального призначення". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41488.

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Дисертація на здобуття наукового ступеня кандидата технічних наук (Ph.D) за спеціальністю 05.17.11 – технологія тугоплавких неметалічних матеріалів. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2019. Дисертація присвячена створенню оптичних кольорових стекол зі спектральними параметрами – коефіцієнтом пропускання на довжині хвилі 1060 τ(λ₁₀₆₀) >65 %, поглинанням у спектральному діапазоні до 950 нм та технологіям їх отримання. На цей час існуючі стекла лише частково виконують ці умови, або технології їх отримання є нерентабельними для масового виробництва,

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3

Edström, Curt. "Wet etching of optical thin films." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Kemiteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-13988.

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Evaluation of the wet etching properties of several different thin film oxidesgrown by physical vapour deposition was performed in this work. MgO, Al2O3,SiO2, TiO2, HfO2 ZrO2 and Y2O3 were coated on two types of substrates; Si andborosilicate glass and etching tests were performed in different etchingsolutions. MgF2 thin films have also been evaluated. Important aspects of the choice of the thin films was taken into account in orderto match to good optical properties such as refractive index (n), extinction coefficient (k) and optical thickness (TP) as well as good chemical properties in the w

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4

Antelius, Mikael. "Wafer-scale Vacuum and Liquid Packaging Concepts for an Optical Thin-film Gas Sensor." Doctoral thesis, KTH, Mikro- och nanosystemteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119839.

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This thesis treats the development of packaging and integration methods for the cost-efficient encapsulation and packaging of microelectromechanical (MEMS) devices. The packaging of MEMS devices is often more costly than the device itself, partly because the packaging can be crucial for the performance of the device. For devices which contain liquids or needs to be enclosed in a vacuum, the packaging can account for up to 80% of the total cost of the device. The first part of this thesis presents the integration scheme for an optical dye thin film NO2-gas sensor, designed using cost-efficient

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5

Simon, Darren, and s3027589@student rmit edu au. "Chemistry and Morphology of Polymer Thin Films for Electro-Optical Application." RMIT University. Applied Sciences, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070123.122707.

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Thin polymer films and their properties have been investigated. The characteristics of crystalline polymers according to film thickness have been improved using polycaprolactone (PCL). The melting enthalpy of PCL has increased when the film thickness decreased and the peak melting temperature showed no significant changes with film thickness. Film thickness variation influenced surface roughness and crystal size. Optical microscope images showed the rougher surface of thicker films. The spinning time has shown no influence on film thickness and no significant changes to surface roughness.

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6

Singh, Harpal. "An Investigation of Material Properties and Tribological Performance of Magnetron Sputtered Thin Film Coatings." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1449850005.

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7

Azunre, Paul. "A parallel branch-and-bound algorithm for thin-film optical systems, with application to realizing a broadband omnidirectional antireflection coating for silicon solar cells." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/96436.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 124-129).<br>For the class of nondispersive, nonabsorbing, multilayer thin-film optical systems, this thesis work develops a parallel branch-and-bound computational system on Amazon's EC2 platform, using the Taylor model math

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8

Shah, Dhruv. "Thin Film Deposition on Powder Substrates using ALD and its Characterization using XPS, TEM, and SE." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8990.

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The major part of my dissertation consists of thin films deposited using atomic layer deposition on flat and powder substrates. It details the various optimization experiments for process parameters like dose time, purge time, temperature, and pressure on silicon shards and powder substrates. Spectroscopic ellipsometry (SE) was used to characterize these films over a wide wavelength range (191-1688 nm). An optical model with a BEMA (Bruggeman effective medium approximation) layer was used to fit the ellipsometric data to investigate the optical properties of the alumina surface. The optimized

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9

Laine, Guy C. "CHARACTERIZATION OF AND CONTROLLING MORPHOLOGY OF ULTRA-THIN NANOCOMPOSITES." UKnowledge, 2013. http://uknowledge.uky.edu/cme_etds/23.

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Ultrathin film nanocomposites are becoming increasingly important for specialized performance of commercial coatings. Critical challenges for ultrathin film nanocomposites include their synthesis and characterization as well as their performance properties, including surface roughness, optical properties (haze, refractive index as examples), and mechanical properties. The objective of this work is to control the surface roughness of ultrathin film nanocomposites by changing the average particle size and the particle volume fraction (loading) of monomodal particle size distributions. This work

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10

Barutcu, Burcu. "The Design And Production Of Interference Edge Filters With Plasma Ion Assisted Deposition Technique For A Space Camera." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614574/index.pdf.

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Interference filters are multilayer thin film devices. They use interference effects between the incident and reflected radiation waves at each layer interface to select wavelengths. The production of interference filters depend on the precise deposition of thin material layers on substrates which have suitable optical properties. In this thesis, the main target is to design and produce two optical filters (short-pass filter and long-pass filter) for the CCDs that will be used in the electronics of a space camera. By means of these filters, it is possible to take image in different bands (RGB

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11

Zimmermann, Burkhard. "Plasmaphysikalische Charakterisierung einer magnetfeldgestützten Hohlkathoden-Bogenentladung und ihre Anwendung in der Vakuumbeschichtung." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-101747.

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Die vorliegende Dissertation behandelt Charakterisierung, Modellbildung sowie Anwendung einer magnetfeldgestützten Hohlkathoden-Bogenentladung. Hohlkathoden sind seit den 1960er Jahren Gegenstand grundlagen- sowie anwendungsorientierter Forschung und werden seit 20 Jahren am Fraunhofer-Institut für Elektronenstrahl- und Plasmatechnik für die Anwendung auf dem Gebiet der Vakuumbeschichtung weiterentwickelt. Ziel dieser Arbeit ist es, die technologischen Fortschritte physikalisch zu verstehen und gezielte Weiterentwicklungen für spezifische Einsatzgebiete zu ermöglichen. In der untersuchten Hohl

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12

El, Idrissi Sidi El Bachir. "Elaboration et caracterisation de materiaux destines a des applications solaires : cu::(x)o et zn::(3)p::(2)." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13010.

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Les oxydes de cuivre cuxo formes a la surface d'une lame de cuivre sont etudies afin de preciser les mecanismes physiques de la selectivite spectrale et le role joue par chacun des deux oxydes cu2o et cuo. Influence des conditions de preparation et des methodes d'oxydation. Le phosphure de zinc (zn3p2) apparait comme un candidat potentiel pour la realisation de cellules solaires. Elaboration de couches minces a l'etat amorphe ou cristallise. Caracterisation des couches (structure cristalline, etat de surface, composition). Etude des proprietes optiques et electriques

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13

Lee, Chia Ching, and 李嘉慶. "The Study of Thin Film Coating : Gravure Coating and Tensioned Web Slot Coating with Vacuum." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/02146264446884625231.

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14

Yang, Sheng-Hung, and 楊勝鈜. "Optical effect of TiO2 thin film coating on silica opal photonic crystal." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/w22x9g.

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碩士<br>國立中正大學<br>物理系研究所<br>107<br>We fabricated self-assembled SiO2 opal photonic crystals and deposited TiO2 films with different thickness on their surfaces. We characterized the optical properties of the opal with angularly resolved reflection spectra. We found that besides the reflection peaks resulted from the photonic stop band of the opal in the (111) direction of the face-centered cubic crystalline, we also observed anomalous peaks in shorter wavelength range. Then we investigate their behaviors as a function of TiO2 film thickness, and we found that these reflection peaks behave like W

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15

Yi-Hsi, Lin, and 林益熙. "Determination of Optical Constants of Thin Film Coating Materials Based on Analytical Method." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/95551311724456328874.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>87<br>To design an optical multilayer interference system, it is important to know in advance the optical constants of all the materials used. Generally speaking, the optical constants of the film differ from those of the bulk materials. Therefore, one needs a convenient method to determine the optical constants. In the past many years, measurements of optical constants of thin films have been extensively investigated, which are based on photometric, ellipsometric, interferometric measurements or Kramer- Kronig relation and so on, but these methods are mor

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16

Lo, Chien-Fong, and 羅健峰. "Nano Thin Film of TiO2 coating and TiO2-Coated Optical-Fiber Reactor Design." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/17396396611023251205.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>91<br>Titania solutions were prepared by thermal hydrolysis, sol-gel method, and obtained from P25-suspension, Hombikat XXS100 and Hombikat UV100WP TiO2 solution (Sachtleben Chemie GmbH Com., Germany). The TiO2 films were coated on glass plates and optical fibers by the dip-coating method. The thickness of films ranged from 60~600 nm after calcinations at 500°C. Process parameters for coating TiO2, such as the concentration of TiO2 solution, the rate of dipping and the times of coating were studies. The films became thicker, and the crystal size increased by increas

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17

Coelho, Luís Carlos Costa. "Research and development of optical fibre sensors based on thin film coating technology." Doctoral thesis, 2016. https://repositorio-aberto.up.pt/handle/10216/92915.

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18

Coelho, Luís Carlos Costa. "Research and development of optical fibre sensors based on thin film coating technology." Tese, 2016. https://repositorio-aberto.up.pt/handle/10216/92915.

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19

Lin, Sung-Yun, and 林松荺. "Optical Properties Study of Anti-Reflection Coating on Silicon-Based Thin Film Solar Cell." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/ksjz2d.

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碩士<br>崑山科技大學<br>機械工程研究所<br>96<br>To solar cell, reducing the reflection rate on the panel surface has been playing a very important role all the time. Using the anti reflection coating to increase the incident light penetration the cell surface is one of best methods. In this study, multilayer nano thin film is coated on the glass of Silicon-based thin film solar cell. It can increase the absorb range of the photo wave length and anti UV ability, and form this obtain better anti reflecting rate and PV transfer rate. This research adopts the thin film analysis software, TFCale, to find out the

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20

Ding, Guo-Yi, and 丁國益. "Preparation Quaternary compounds the Optical Absorber Cu2ZnSnSe4 Thin Film by Non-vacuum Processes for Solar Cells Applications." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/u2n8c9.

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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>101<br>The thersis is investigated on the application of Cu1ZnxSn1-xSe2 for solar cell absorber layer materials.In this study on copper,zinc, tin, selenium the four elements of the target, prepared by melting into the quaternary mixture,The ink is prepared using wet-ball milling,three categories of ink were x=0.3,x=0.5,x=0.7,by spin coating.The precursor layer is placed in RTP furnace, and then heated at the temperature between 400℃and 600℃ to form the compound layer with Kesterite structure that fabricating CZTSe thin film without long heat treatment and se

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21

Lin, Chao Jung, and 林朝榮. "Scanning Near Field Optical Microscopy Lithography Dot Processed Mode Analysis of Photoresist layer Coating Indium Thin Film." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/56307988414613459071.

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碩士<br>國立臺灣科技大學<br>自動化及控制研究所<br>93<br>The objective of this research is to study an innovative lithography using the effect of thermal-induced super resolution, and to demonstrate that the technique can effectively reduce the exposed pit width on the photoresist layer. The technique makes use of a thin metallic mask layer deposited on the top of the photoresist layer. After illuminating with a focused laser beam, the mask layer opens an aperture in melting temperature area around the center of the laser spot. Because the aperture size is much smaller than the laser spot and the optical proper

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22

Zimmermann, Burkhard. "Plasmaphysikalische Charakterisierung einer magnetfeldgestützten Hohlkathoden-Bogenentladung und ihre Anwendung in der Vakuumbeschichtung." Doctoral thesis, 2012. https://tud.qucosa.de/id/qucosa%3A25347.

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Die vorliegende Dissertation behandelt Charakterisierung, Modellbildung sowie Anwendung einer magnetfeldgestützten Hohlkathoden-Bogenentladung. Hohlkathoden sind seit den 1960er Jahren Gegenstand grundlagen- sowie anwendungsorientierter Forschung und werden seit 20 Jahren am Fraunhofer-Institut für Elektronenstrahl- und Plasmatechnik für die Anwendung auf dem Gebiet der Vakuumbeschichtung weiterentwickelt. Ziel dieser Arbeit ist es, die technologischen Fortschritte physikalisch zu verstehen und gezielte Weiterentwicklungen für spezifische Einsatzgebiete zu ermöglichen. In der untersuchten Hohl

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