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Tesi sul tema "Scanning"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Svahn, Stefan. "3D-scanning : Volymberäkning vid scanning av bergvägg." Thesis, Karlstads universitet, Institutionen för geografi, medier och kommunikation, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-33349.

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Abstract (sommario):

Scanning är ett verktyg som har utvecklats mycket och används mer och mer inom geodetisk mätning. Instrumenten har blivit mer pålitliga med högre kvalité på resultaten, därför är det viktigt att eliminera de problem som kan skada scanningens pålitlighet. Det problemet som ska undersökas och testas i det här examensarbetet uppstår när man till exempel scannar en bergvägg. Man vill få en så lik avbildning av bergväggen som möjligt för att sedan kunna göra volymberäkningar emot bergväggen. Avbildningen av bergväggen består av ett moln av punkter som tillsammans skapar en 3D-modell av bergväggen.

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2

Raspin, P. "Scanning business environments : an investigation into managerial scanning behaviour." Thesis, Cranfield University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401662.

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3

Niblock, Trevor. "Micro scanning probes." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395357.

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4

Leane, Robert B. "Scanning tunnelling microscopy." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291716.

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5

Hyde, Neville. "Environmental scanning : the need for and overview of environmental scanning system." Thesis, Stellenbosch : University of Stellenbosch, 2000. http://hdl.handle.net/10019.1/4595.

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Thesis (MBA (Business Management))--University of Stellenbosch, 2000.<br>ENGLISH ABSTRACT: Historically organisations have had the "luxury" of being able to anticipate future developments and respond to them in good time due to, firstly, the comparatively slow pace of change and, secondly, the past being a relatively good predictor of the future. The second half of the 20th Century bears witness to some of the most dramatic changes and developments experienced by mankind. Most notable of these were globalisation, de-regulation, the emergence of the information/knowledge economy and, perhaps mo

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6

Hyde, Neville, and Johan Burger. "Environmental scanning : the need for and overview of environmental scanning systems." Thesis, Stellenbosch : University of Stellenbosch, 2000. http://hdl.handle.net/10019.1/4656.

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ENGLISH ABSTRACT: Historically organisations have had the "luxury" of being able to anticipate future developments and respond to them in good time due to, firstly, the comparatively slow pace of change and, secondly, the past being a relatively good predictor of the future. The second half of the 20th Century bears witness to some of the most dramatic changes and developments experienced by mankind. Most notable of these were globalisation,de-regulation, the emergence of the information/knowledge economy and, perhaps most significant of all, the changes brought about by the Internet. The unde

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7

Weise, Thibaut. "Real-time 3D scanning." Konstanz Hartung-Gorre, 2009. http://d-nb.info/1000182894/04.

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8

Almqvist, Nils. "Scanning probe microscopy : Applications." Licentiate thesis, Luleå tekniska universitet, Materialvetenskap, 1994. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17980.

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9

Donnermeyer, Achim. "Scanning ion-conductance microscopy." [S.l.] : [s.n.], 2007. http://nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:hbz:361-11593.

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10

Davies, D. G. "Scanning electron acoustic microscopy." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304042.

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11

Møller, Christian Nicolai. "Scanning slit 3D displays." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613824.

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12

Shen, Bing. "Multiple reflector scanning antennas." Diss., Virginia Tech, 1993. http://hdl.handle.net/10919/40108.

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13

Descour, Michael Robert. "Non-scanning imaging spectrometry." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186904.

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Abstract (sommario):

The objective of imaging spectrometry is to collect three-dimensional data about object space. Two of the three dimensions are spatial. The third dimension is spectral. Current techniques rely on some form of scanning, causing instruments to include moving components and/or to be capable of imaging only static or slowly changing scenes. An interpretation of the problem in terms of computed tomography leads to a system design which can fulfill the objective of imaging spectrometry without scanning. The imaging spectrometer assumes the frame-rate and integration-time properties of its imaging ar

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14

Harasaki, Akiko. "Improved vertical scanning interferometry." Diss., The University of Arizona, 2000. http://hdl.handle.net/10150/289148.

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Vertical scanning interferometers are routinely used for the measurement of optical fiber connectors. There are increasing needs for measurements of such items as machined surfaces, contact lenses, paint texture, cell structure, and integrated circuit devices, to name a few. These structures have too much depth, or are too rough, to measure with standard interferometry methods. Phase-measurement interferometry methods are limited to surfaces that do not have any discontinuities larger than one quarter of the operating wavelength. On the other hand, vertical scanning interferometers can be very

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15

Livadaru, Matilda Gabriela. "Low Cost Scanning Arrays." FIU Digital Commons, 2018. https://digitalcommons.fiu.edu/etd/3780.

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Over the past decades, phased arrays have played a significant role in the development of modern radar and communication systems. The availability of printed circuit technology and ease of integration with microwave components, as well as the development of low profile and low weight approaches, have also played an important role in their conformal adaptation. However, fabrication costs remain prohibitive for many emergent platforms, including 5G base stations and autonomous vehicles, when compared to a conventional mechanically steered passive array. Therefore, cost reductions in the fabricat

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16

Pan, Jingyi. "Confocal scanning laser tomography and scanning laser Doppler flowmetery in the rat eye." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ49422.pdf.

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17

Behan, Gavin Joseph. "Optical sectioning in the aberration-corrected scanning transmission and scanning confocal electron microscope." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:10c7151c-ff1f-4f88-a783-9ad5cf4831ec.

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This thesis concerns the experimental application of the technique of optical sectioning in the aberration-corrected scanning transmission electron microscope (STEM). Another aim was to perform optical sectioning experiments on the still relatively new scanning confocal electron microscope (SCEM). To test the feasibility of this technique, experiments were performed on a variety of samples to measure the achievable depth response. Deconvolution methods were explored in an attempt to further improve the depth response. Finally, some of the first optical sectioning experiments were performed in

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18

Rosolen, Grahame Craig. "The development of a combined scanning electron microscope and scanning tunnelling microscope for nanotechnology." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241061.

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19

Persson, Angelica, and Amanda Lindewald. "Extraoral 3D-scanning - conformity between extraoral 3D scanning and clinical measurements of the face." Thesis, Malmö universitet, Odontologiska fakulteten (OD), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-42624.

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Aim: To use the extraoral scanner 3D Sense in practice and compare the measurements on scanned material with conventional, direct clinical measurements. This is to evaluate if extraoral scanning can replace a clinical examination and extraoral 2D photography. Material & method: Fifteen adults at the Faculty of Odontology were recruited for the study. Five determined landmarks were marked in the faces of the subjects. Direct clinical measurements were performed between the landmarks of every subject and used as a reference. The subjects' faces were scanned and the same distances were measur

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20

Kulawik, Maria. "Low temperature scanning tunneling microscopy." Doctoral thesis, [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=979718848.

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21

Lee, Su-Young. "Multi-channel scanning SQUID microscopy." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1490.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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22

Ding, Haifeng. "Spin-polarized scanning tunneling microscopy." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963217186.

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23

DjuricÌŒicÌŒ, Dejana. "Biological scanning probe microscopy (SPM)." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403609.

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24

Pinheiro, Lucidalva dos Santos. "Scanning probe microscopy of adsorbates." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320589.

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25

Eren, Gönen. "3D scanning of transparent objects." Phd thesis, Université de Bourgogne, 2010. http://tel.archives-ouvertes.fr/tel-00584061.

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Abstract (sommario):

Many practical tasks in industry, such as automatic inspection or robot vision, often require scanning of three-dimensional shapes with non-contact techniques. However, transparent objects, such as those made of glass, still pose difficulties for classical scanning techniques. The reconstruction of surface geometry for transparent objects is complicated by the fact that light is transmitted through, refracted and in some cases reflected by the surface. Current approaches can only deal relatively well with sub-classes of objects. The algorithms are still very specific and not generally applicab

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26

Davis, Robert Patrick. "Nanolithography using scanning tunnel microscopy." Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318840.

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27

Puygranier, B. A. F. "The photon scanning tunnelling microscope." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368568.

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28

Page, Ashley M. "Multifunctional scanning ion conductance microscopy." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/99668/.

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Scanning ion conductance microscopy (SICM) is a nanopipette-based technique that has historically been used for the topographical imaging of soft samples. This thesis demonstrates the development of SICM into a multifunctional tool, capable of providing a host of additional information about both biological and inert samples, whilst maintaining the structural mapping capability for which it is usually employed. Two approaches are taken to extend the functionality of SICM: (i) designing sophisticated potential, and positional, control functions that are then used with traditional single-channel

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29

Venkatachalam, Vivek. "Simulating scanning tunneling microscope measurements." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36116.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2006.<br>Includes bibliographical references (leaf 25).<br>One of the largest problems in scanning tunneling microscopy design is noise control. It is the burden of the designer to determine if money should be used to build a floating room for vibration isolation or for top-of-the-line preamplifiers that can be placed at low temperatures. This thesis presents a simulation of the STM measurement chain, from tunneling tip to computer control. The goal is to see how noise at different stages of the measurement chain affect th

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30

Mueller-Falcke, Clemens T. (Clemens Tobias). "Switchable stiffness scanning microscope probe." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32349.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.<br>Includes bibliographical references (p. 77-80).<br>Atomic Force Microscopy (AFM) has rapidly gained widespread utilization as an imaging device and micro/nano-manipulator during recent years. This thesis investigates the new concept of a dual stiffness scanning probe with respect to biological applications and determines the resulting requirements for the scanning of soft bio samples, such as low-pressure contact. On this basis, an in-plane AFM probe that is specifically tailored to the needs of bio

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31

Chang, Jeremy T. "Fast scanning two-photon microscopy." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/61148.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 45-46).<br>Fast scanning two-photon microscopy coupled with the use light activated ion channels provides the basis for fast imaging and stimulation in the characterization of in vivo neural networks. A two-photon microscope capable of fast scanning using acousto-optic deflectors was designed and implemented. The software controller was expanded so that random access scan in three dimensions coul

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32

Xu, Ying. "A metrological scanning force microscope." Thesis, University of Warwick, 1995. http://wrap.warwick.ac.uk/73129/.

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In last decade, there has been a tremendous progress in scanning probe microscopies, some of which have achieved atomic resolution. However, there still exist some problems which have to be solved before the instrument can be used as a metrological measurement tool. The object of the project introduced in this thesis was to develop a scanning force microscope of metrological capability with the aim of making significant improvement in scanning force microscopy from the viewpoint of instrumentation. A capacitance based force probe has been studied theoretically and experimentally with the main

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33

Eves, Brian John. "Scanning probe energy loss spectroscopy." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251871.

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34

Gunér, Gustaf. "Receipt Scanning Using Deep Learning." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279697.

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Employees often make purchases on behalf of the companies that they are working for. These purchases must be reported manually, either by the employees themselves or by sending the receipts to the company‘s accountant. In both cases, parts of the receipts are transcribed manually. This process is time-consuming and poses a risk that the human factor causes transcription errors, which can lead to ambiguities in the company‘s financial statements. A fully-automatic receipt scanner, which from a photograph of a receipt can extract metadata (e.g. total price, VAT, and individual item names) would

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35

Vo, Huy Nhu. "High-resolution Optical Scanning Holography." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/32527.

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Optical scanning holography, which was proposed by Poon[1], is a fascinating technology to record holographic information. The technique is applied in the operation of scanning holographic microscopy to record the entire three-dimensional volume of a biological specimen in the form of a hologram. With the data captured, a digital reconstruction or decoding is used to reconstruct the hologram of that such specimen. An accurate reconstruction of the recorded data provides with an in-depth analysis in the area where random noise and other imperfection effects may occur. In this thesis, three diff

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36

Sharples, Steve David. "All-optical scanning acoustic microscope." Thesis, University of Nottingham, 2003. http://eprints.nottingham.ac.uk/10164/.

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In this thesis a new instrument, the all-optical scanning acoustic microscope (O-SAM) is presented, it is a non contact scanning acoustic microscope (SAM) which uses lasers to both generate and detect surface acoustics waves (SAWs) The non contact nature of the O-SAM overcomes some difficulties associated with conventional SAMs because of the couplant and surface contact involved. This O-SAM also overcomes many of the problems associated with conventional laser ultrasound systems including those of sample damage and ablation, low signal to noise ratio and slow data acquisition. Furthermore, th

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37

Neubeck, Soeren. "Scanning probe investigations on graphene." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/scanning-probe-investigations-on-graphene(e0838733-8f13-4221-ad55-124e3757ba15).html.

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In this thesis, scanning probe microscopy experiments on graphene and chemically modified graphene crystals are discussed. Since its discovery in 2004, graphene has not only impressed researchers and industry because it is a crystal that is only one atom thick, butalso because of its electronic transport properties. However, a major challenge remaining is the task to introduce an energy gap in graphene. One way to open an energy gap in pristine graphene is its confinement to nanometre sizes. To this end, methods were developed to fabricate such nanostructures out of graphene. Here, the atomic

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38

Svedberger, Johan, and Jonas Andersson. "Laser scanning in manufacturing industries : The potential and usability of laser scanning for industrial applications." Thesis, KTH, Industriell produktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134954.

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Making mistakes or discovering errors too late in the factory layout process is very costly. Unfortunately, the layouts aren’t always accurate or updated which creates a degree of uncertainty when it comes to installation of new equipment and rebuilding facilities. It also leads to a lot of waste in movement when employees has to go out in production to perform measurements, take pictures and take notes in order to remember important details to avoid errors. Lasers in land and engineering surveying instruments have been widely used for the last 30 years. A natural development has been to add a

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39

Wang, Lin. "Carrier profiling of ZnO nanowire structures by scanning capacitance microscopy and scanning spreading resistance microscopy." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI031/document.

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Ce travail de thèse porte sur l'application des techniques Scanning Capacitance Microscopy (SCM) et Scanning Spreading Resistance Microscopy (SSRM) pour la caractérisation électrique de nanofils de ZnO avec l'objectif d'en déterminer le dopage par profilage des porteurs libres suite à des essais de dopage de type p. Afin de pouvoir utiliser un référentiel planaire nécessaire à ces mesures par sonde locale, un procédé de remplissage par dip-coating et de polissage a été spécialement développé sur des champs de nanofils quasi-verticaux. De plus, dans le but de parvenir à un étalonnage des mesure

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40

Walton, John Moorcroft. "The acquisition, analysis and processing of Scanning Auger Microscopy (SAM) and Scanning Tunneling Microscopy (STM) data." Thesis, University of York, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387184.

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41

Martin, Geoffrey Clive. "Virtual Scanning Electron Microscope : a web-based teaching and training solution for the Scanning Electron Microscope." Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611878.

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42

Strubhar, Andrew J. Hines Edward R. "Environmental scanning in physical therapy education." Normal, Ill. Illinois State University, 2000. http://wwwlib.umi.com/cr/ilstu/fullcit?p9995670.

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Thesis (Ph. D.)--Illinois State University, 2000.<br>Title from title page screen, viewed May 2, 2006. Dissertation Committee: Edward R. Hines (chair), Patricia H. Klass, James C. Palmer, Mohamed Nur-Awaleh. Includes bibliographical references (leaves 133-145) and abstract. Also available in print.

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43

Moon, Jong Seok. "Next generation of multifunctional scanning probes." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/42935.

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The goal of this thesis was the advanced design, fabrication, and application of combined atomic force microscopy - scanning electrochemical microscopy (AFMSECM) probes for high-resolution topographical and electrochemical imaging. The first part of the thesis describes innovative approaches for the optimization of AFM-SECM probe fabrication with recessed frame electrodes. For this purpose, commercial silicon nitride AFM cantilevers were modified using optimized critical fabrication processes including improved metallization for the deposition of the electrode layer, and novel insulation strat

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44

Couceiro, José. "Wood shrinkage in CT-scanning analysis." Licentiate thesis, Luleå tekniska universitet, Träteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-129.

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Computed tomography (CT) can be used to study wood-water interactions in differentways, such as by determining wood moisture content (MC). The determination of MCrequires two CT images: one at the unknown moisture distribution and a second one ata known reference MC level, usually oven-dry MC. The two scans are then compared.If the goal is to determine the MC in local regions, when studying moisture gradients forinstance, wood shrinkage must be taken into account during the data processing of theimages. The anisotropy of wood shrinkage creates an obstacle, however, since theshrinkage is not un

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45

Ge, Yunfei. "Quantitative measurement using scanning thermal microscopy." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7474/.

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This thesis reports on the development of quantitative measurement using micromachined scanning thermal microscopy (SThM) probes. These thermal probes employ a resistive element at their end, which can be used in passive or active modes. With the help of a review of SThM, the current issues and potentials associated with this technique are revealed. As a consequence of this understanding, several experimental and theoretical methods are discussed, which expand our understanding of these probes. The whole thesis can be summarized into three parts, one focusing on the thermal probe, one on probe

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46

Gustafsson, Alexander. "Theoretical modeling of scanning tunneling microscopy." Doctoral thesis, Linnéuniversitetet, Institutionen för fysik och elektroteknik (IFE), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-69012.

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The main body of this thesis describes how to calculate scanning tunneling microscopy (STM) images from first-principles methods. The theory is based on localized orbital density functional theory (DFT), whose limitations for large-vacuum STM models are resolved by propagating localized-basis wave functions close to the surface into the vacuum region in real space. A finite difference approximation is used to define the vacuum Hamiltonian, from which accurate vacuum wave functions are calculated using equations based on standard single-particle Green’s function techniques, and ultimately used

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47

Blackham, Ian George. "Scanning tunneling microscopy of electrode surfaces." Thesis, University of Oxford, 1992. https://ora.ox.ac.uk/objects/uuid:f9d27595-1177-406f-89a2-1448ac654dd3.

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A scanning tunneling microscope (STM) suitable for the in-situ study of electrode surfaces under electrochemical control has been developed. The system consists of commercially available software and feedback electronics, with a custom-built stage and electrochemical control. The stage incorporates an automatic coarse approach mechanism for ease of operation. Gold single crystal spheres (SCS) and gold on mica thin films have been studied as surfaces potentially suitable for samples in in-situ electrochemical STM experiments. Characteristic features of each surface have been identified. High re

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48

Yee, Shannon. "Design of a scanning tunneling microscope." Connect to resource, 2007. http://hdl.handle.net/1811/25190.

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Thesis (Honors)--Ohio State University, 2007.<br>Title from first page of PDF file. Document formatted into pages: contains 110 p.; also includes graphics. Includes bibliographical references (p. 108-110). Available online via Ohio State University's Knowledge Bank.

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49

Heard, P. J. "Applications of scanning ion beam lithography." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372653.

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50

Liou, Je-Wen. "Scanning probe microscopy of photosynthetic membranes." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398112.

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