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Letteratura scientifica selezionata sul tema "3D structuring"

Autore: Grafiati

Pubblicato: 21 ottobre 2023

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Articoli di riviste sul tema "3D structuring"

1

Senn, T., Ch Waberski, J. Wolf, J. P. Esquivel, N. Sabaté e B. Löchel. "3D structuring of polymer parts using thermoforming processes". Microelectronic Engineering 88, n. 1 (gennaio 2011): 11–16. http://dx.doi.org/10.1016/j.mee.2010.08.003.

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Purwidyantri, Agnes, Chih-Hsien Hsu, Chia-Ming Yang, Briliant Adhi Prabowo, Ya-Chung Tian e Chao-Sung Lai. "Plasmonic nanomaterial structuring for SERS enhancement". RSC Advances 9, n. 9 (2019): 4982–92. http://dx.doi.org/10.1039/c8ra10656h.

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Au island over nanospheres (AuIoN) structures featuring a three-dimensional (3D) nanostructure on a two-dimensional (2D) array of nanospheres with different adhesion layers were fabricated as surface-enhanced Raman scattering (SERS) substrates.

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3

Aleksandrov, M., A. Diakité, J. Yan, W. Li e S. Zlatanova. "SYSTEMS ARCHITECTURE FOR MANAGEMENT OF BIM, 3D GIS AND SENSORS DATA". ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-4/W9 (30 settembre 2019): 3–10. http://dx.doi.org/10.5194/isprs-annals-iv-4-w9-3-2019.

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Abstract. This paper presents a system architecture for structuring and manipulation of Building Information Models (BIM), three-dimensional (3D) geospatial information, point clouds and time series data obtained from sensors. The system consists of four layers including data pre-processing, data structuring and storage, system interface and front-end data manipulation. To enable the integration of different data, a unified UML model is developed. The paper explains all steps of 3D reconstruction, BIM geo-referencing, storage of spatial data and visualisation. Special attention is given to the integration of sensors data. The data model and the system architecture are tested for a university campus. The results demonstrate an approach for BIM-GIS-Sensor integration as part of Precinct Information Modelling (PIM). The system architecture allows for a flexible structuring and manipulation of different spatial data towards managing various 3D spatial and non-spatial data.

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4

Qi, Jianbo, Tiangang Yin, Donghui Xie e Jean-Philippe Gastellu-Etchegorry. "Hybrid Scene Structuring for Accelerating 3D Radiative Transfer Simulations". Remote Sensing 11, n. 22 (12 novembre 2019): 2637. http://dx.doi.org/10.3390/rs11222637.

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Three-dimensional (3D) radiative transfer models are the most accurate remote sensing models. However, presently the application of 3D models to heterogeneous Earth scenes is a computationally intensive task. A common approach to reduce computation time is abstracting the landscape elements into simpler geometries (e.g., ellipsoid), which, however, may introduce biases. Here, a hybrid scene structuring approach is proposed to accelerate the radiative transfer simulations while keeping the scene as realistic as possible. In a first step, a 3D description of the Earth landscape with equal-sized voxels is optimized to keep only non-empty voxels (i.e., voxels that contain triangles) and managed using a bounding volume hierarchy (BVH). For any voxel that contains triangles, within-voxel BVHs are created to accelerate the ray–triangle intersection tests. The hybrid scheme is implemented in the Discrete Anisotropic Radiative Transfer (DART) model by integrating the Embree ray-tracing kernels developed at Intel. In this paper, the performance of the hybrid algorithm is compared with the original uniform grid approach implemented in DART for a 3D city scene and a forest scene. Results show that the removal of empty voxels can accelerate urban simulation by 1.4×~3.7×, and that the within-voxel BVH can accelerate forest simulations by up to 258.5×.

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Kim, Do-Yeon. "Liver vasculature refinement with multiple 3D structuring element shapes". Pattern Analysis and Applications 17, n. 3 (24 aprile 2013): 667–78. http://dx.doi.org/10.1007/s10044-013-0338-6.

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Yan, Hengfeng, Jimin Chen e Jinyan Zhao. "3D-MID manufacturing via laser direct structuring with nanosecond laser pulses". Journal of Polymer Engineering 36, n. 9 (1 novembre 2016): 957–62. http://dx.doi.org/10.1515/polyeng-2015-0367.

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Abstract 3D molded interconnect device (3D-MID) is a kind of injection-molded thermoplastic part with integrated electronic circuit traces. Currently, it is a hotspot of the electronic and telecommunication equipment industry. Laser direct structuring (LDS) is the main approach to fabricate 3D-MID. Laser scans and activates the surface of thermoplastic parts. After plating, the activated area is coated with copper. In this study, a model was built to describe the mechanisms of interaction between a substrate and laser. The nanosecond laser was applied in the LDS process to manufacture 3D circuit on 3D-MID. With the aid of variable laser pulse width, the model was confirmed by a series of experiments including investigations of roughness, surface structure and energy spectrum. Finally, critical factors affecting the LDS process were found out. They are effective guides for many LDS applications.

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Jabłoński, Mirosław. "Silhouette Processing Via Mathematical Morphology with Pose-Aware Structuring Elements Based on 3D Model". Image Processing & Communications 17, n. 4 (1 dicembre 2012): 71–78. http://dx.doi.org/10.2478/v10248-012-0031-1.

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Abstract In the paper, the method of poseaware silhouette processing is presented. Morphological closing is proposed to enhance segmented silhouette object. The contribution of the work is adaptation of structuring element used for mathematical morphology erosions and dilations. It is proposed to use camera parameters, 3D model of the scene, model of the silhouette and its position to compute structuring element adequate to the individual projected to the camera image. Structuring element computation and basic morphology operators were implemented in OpenCL environment and tested on parallel GPU platform. Comparison with utility software packages is provided and results are briefly discussed.

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Jaksa, Laszlo, Dieter Pahr, Gernot Kronreif e Andrea Lorenz. "Development of a Multi-Material 3D Printer for Functional Anatomic Models". International Journal of Bioprinting 7, n. 4 (12 ottobre 2021): 420. http://dx.doi.org/10.18063/ijb.v7i4.420.

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Anatomic models are important in medical education and pre-operative planning as they help students or doctors prepare for real scenarios in a risk-free way. Several experimental anatomic models were made with additive manufacturing techniques to improve geometric, radiological, or mechanical realism. However, reproducing the mechanical behavior of soft tissues remains a challenge. To solve this problem, multi-material structuring of soft and hard materials was proposed in this study, and a three-dimensional (3D) printer was built to make such structuring possible. The printer relies on extrusion to deposit certain thermoplastic and silicone rubber materials. Various objects were successfully printed for testing the feasibility of geometric features such as thin walls, infill structuring, overhangs, and multi-material interfaces. Finally, a small medical image-based ribcage model was printed as a proof of concept for anatomic model printing. The features enabled by this printer offer a promising outlook on mimicking the mechanical properties of various soft tissues.

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Ivanov, Alexey, e Ulrich Mescheder. "Silicon Electrochemical Etching for 3D Microforms with High Quality Surfaces". Advanced Materials Research 325 (agosto 2011): 666–71. http://dx.doi.org/10.4028/www.scientific.net/amr.325.666.

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In this paper the process of silicon anodization as a structuring technique is discussed. 3D-structuring is achieved by 3D control of current density in an anodization process. In contrast to conventional ECM techniques electrodes as structured thin layers on the work piece are used. For the shape controlling of etch form frontside masking design and local backside doping are presented. Influences of the opening size and etch depth on the shape of the etch form is shown. The surface quality of the resulting 3D structures is investigated, with best surface quality (about 1 nm rms) being obtained for electropolishing in 7 wt.% HF at applied current densities of 100 ‑ 300 mA/cm². Application of 3D silicon forms for injection moulding is demonstrated and further implementations of the process for optical and fluidic devices are discussed.

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Béjot, Pierre, e Bertrand Kibler. "Quadrics for Structuring Invariant Space-Time Wave Packets". EPJ Web of Conferences 266 (2022): 13018. http://dx.doi.org/10.1051/epjconf/202226613018.

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We provide a general approach for structuring invariant 3D+1 optical wave packets in both bulk and structured dispersive media, through a simple engineering of phase-matched space-time frequencies on quadric surfaces.

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Più fonti

Tesi sul tema "3D structuring"

1

Friedrich, Aline [Verfasser]. "3D manufacturing using laser direct structuring and the application on the development of antenna systems / Aline Friedrich". Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2019. http://d-nb.info/1192440536/34.

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Baldacci, Fabien. "Graphe de surface orientée : un modèle opérationnel de segmentation d'image 3D". Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13940/document.

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Dans ce travail nous nous intéressons à la segmentation d’image 3D. Le but est de définir un cadre permettant, étant donnée une problématique de segmentation, de développer rapidement un algorithme apportant une solution à cette problématique. Afin de ne pas être restreint à un sous ensemble des types de problématique de segmentation, ce cadre doit permettre de mettre en oeuvre efficacement les différentes méthodes et les différents critères de segmentation existants, dans le but de les combiner pour définir les nouveaux algorithmes. Ce cadre doit reposer sur un modèle de structuration d’image qui représente la topologie et la géométrie d’une partition et permet d’en extraire efficacement les informations requises. Dans ce document, les différentes méthodes de segmentation existantes sont présentées afin de définir un ensemble d’opération nécessaire à leur implémentation. Une présentation des modèles existants est faite pour en déterminer avantages et inconvénients, puis le nouveau modèle est ensuite défini. Sa mise en oeuvre complète est détaillée ainsi qu’une analyse de sa complexité en temps et en mémoire pour l’ensemble des opérations précédemment définies. Des exemples d’utilisation du modèle sur des cas concrets sont ensuite décrits, ainsi que les possibilités d’extension du modèle et d’implémentation sur architecture parallèle
In this work we focus on 3D image segmentation. The aim consists in defining a framework which, given a segmentation problem, allows to design efficiently an algorithm solving this problem. Since this framework has to be unspecific according to the kind of segmentation problem, it has to allow an efficient implementation of most segmentation techniques and criteria, in order to combine them to define new algorithms. This framework has to rely on a structuring model both representing the topology and the geometry of the partition of an image, in order to efficiently extract required information. In this document, different segmentation techniques are presented in order to define a set of primitives required for their implementation. Existing models are presented with their advantages and drawbacks, then the new structuring model is defined. Its whole implementation including details of its memory consumption and time complexity for each primitives of the previously defined set of requirements is given. Some examples of use with real image analysis problems are described, with also possible extensions of the model and its implementation on parallel architecture

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Nouri, Lamia. "Développement d'un procédé de structuration 3D pour le silicium". Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT088/document.

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Ce travail porte sur le développement d’une technique de structuration de surface pour le silicium. Celle-ci repose sur trois étapes essentielles : la lithographie, l’implantation ionique et le retrait par voie humide. Le motif formé par lithographie est transféré par homothétie dans la couche sous-jacente de silicium grâce à l’implantation ionique. Après le retrait du masque de résine, le substrat est traité par voie humide en vue de retirer des zones localement implantées. Le motif initial défini par la lithographie est ainsi révélé dans le silicium.La compréhension des modifications induites par l’implantation ionique dans le substrat nous a permis de réaliser avec succès un transfert dans le silicium. Nous avons principalement étudié les défauts générés par deux types d’ions : l’argon et l’hydrogène, à travers un certain nombre de techniques de caractérisation. Sur la base de cette étude, les différents traitements humides du silicium ont été investigués : gravure alcaline, gravure acide, dissolution par anodisation. L’optimisation des conditions d’implantation et des paramètres de retrait humide a permis l’obtention de structures 2D puis 3D.La faisabilité de cette technique de structuration a également été démontrée sur d’autres matériaux comme le SiOCH et le nitrure de silicium
This thesis deals with the development of a patterning process for silicon substrates. Based on ion implantation through a resist pattern to locally modified the underneath layer. Wet etching processes have been developed to reveal the shapes transferred into the silicon substrate. Thanks to morphological, physical and chemical characterizations, modifications induced by ion implantation have been identified and understood.Two ion species (argon and hydrogen) were used in this thesis in order to assess either physical or chemical modifications in silicon substrate. Several wet chemistries: alkaline, acid and dissolution by anodization, were investigated to reveal the final shape. The optimization of the implantation and wet etching processes allowed to obtain 2D and 3D structures with silicon substrate.Moreover, our approach has been successfully implemented to pattern 2D shapes in SiOCH and silicon nitride

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Kamotesov, Sergkei. "Transmission d’énergie par induction électromagnétique en plastronique 3D". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1353.

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L’objectif de la thèse est d’évaluer l’intérêt de la plastronique 3D dans le domaine de la transmission d’énergie à distance par induction électromagnétique (TEDIM). En effet, la TEDIM est actuellement basée sur des inductances planes, qui n’autorisent un transfert d’énergie entre émetteur et récepteur que sur une courte à moyenne distance, à condition de plus qu’elles soient alignées. Dans ce manuscrit est étudié le cas particulier de récepteurs de forme 3D disposés à l’intérieur d’une boite émettrice de 50 cm de côté comportant 4 inductances émettrices. Différents récepteurs avec des inductances plastroniques ont été étudiés en abordant les questions suivantes : résonance des inductances plastroniques à 6,78 MHz, dimensionnement et forme en 3D. Ainsi, un récepteur en plastronique de forme quasi-sphérique (Ø 8 cm) a été fabriqué par impression 3D, structuration laser directe, métallisation autocatalytique et électrodéposition. Celui-ci a été doté de 3 inductances réceptrices solénoïdes en plastronique et disposées orthogonalement sur les équateurs ayant chacune un facteur de qualité supérieur à 129 ±10. Les résultats expérimentaux sont les suivants : (1) le récepteur reçoit jusqu'à 4,33 W avec un rendement de 15,8 % au centre de la boite, et (2) lorsque l’on fait varier la position et l’orientation du récepteur dans la boite, la disposition des inductances permet, dans une large mesure, de moyenner la puissance reçue. En conclusion, la plastronique permet d’intégrer, relativement aisément, des inductances autorisant une TEDIM, dans les habillages d’appareils électroniques, à la manière des antennes électromagnétiques intégrées par plastronique dans les téléphones intelligents. Ces inductances peuvent épouser la forme 3D de ces habillages, ce qui permet de concevoir des récepteurs et émetteurs omnidirectionnels
The objective of this thesis is to evaluate the interest of 3D molded interconnect devices technologies 3D-MID for wireless power transfer (WPT) through electromagnetic induction. WPT systems mostly uses planar coils that allows transfer between receiver and emitter at low and mid-range distance, at the condition that they are well aligned. We studied a specific case with a 3D receiver enclosed in a half meter box with 4 emitting inductors on 4 sides. Three questions were examined: the magnetic resonance of 3D-MID inductors at 6.78 MHz, their dimensions and their 3D shape. The nearly spherical shape 3D-MID receiver (Ø 8 cm) was 3D printed, activated with laser direct structuring (LDS), autocatalytic metallization and electroplating. It has 3 solenoid receiving inductors, each with quality factor above 129 ±10, placed orthogonally on the equators. The experimental results show: (1) the receiver is able to receive 4.33 W at 15.8 % efficiency in the middle of the box and (2) that we can change position and orientation of the receiver in the box, the placement of the inductors allows, in a widely meaning, to mean the received power. In conclusion 3D-MID allows to integrate, relatively easily, inductors for WPT, in the casing of electronics devices, in the same way as for 3D-MID electromagnetic antennas in smartphones. These inductors can 3D-shape the casing, which will allow the design of omnidirectional receivers

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Killge, Sebastian, Sujay Charania, Sebastian Lüngen, Niels Neumann, Zaid Al-Husseini, Dirk Plettemeier, Johann W. Bartha, Krzysztof Nieweglowski e Karlheinz Bock. "Micro structured coupling elements for 3D silicon optical interposer". SPIE, 2017. https://tud.qucosa.de/id/qucosa%3A35147.

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Current trends in electronic industry, such as Internet of Things (IoT) and Cloud Computing call for high interconnect bandwidth, increased number of active devices and high IO count. Hence the integration of on silicon optical waveguides becomes an alternative approach to cope with the performance demands. The application and fabrication of horizontal (planar) and vertical (Through Silicon Vias - TSVs) optical waveguides are discussed here. Coupling elements are used to connect both waveguide structures. Two micro-structuring technologies for integration of coupling elements are investigated: μ-mirror fabrication by nanoimprint (i) and dicing technique (ii). Nanoimprint technology creates highly precise horizontal waveguides with polymer (refractive index nC = 1.56 at 650 nm) as core. The waveguide ends in reflecting facets aligned to the optical TSVs. To achieve Total Internal Reflection (TIR), SiO2 (nCl = 1.46) is used as cladding. TSVs (diameter 20-40μm in 200-380μm interposer) are realized by BOSCH process1, oxidation and SU-8 filling techniques. To carry out the imprint, first a silicon structure is etched using a special plasma etching process. A polymer stamp is then created from the silicon template. Using this polymer stamp, SU-8 is imprinted aligned to vertical TSVs over Si surface.Waveguide dicing is presented as a second technology to create coupling elements on polymer waveguides. The reflecting mirror is created by 45° V-shaped dicing blade. The goal of this work is to develop coupling elements to aid 3D optical interconnect network on silicon interposer, to facilitate the realization of the emerging technologies for the upcoming years.

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Merheb, Melissa. "Une approche universelle d'assemblage dirigé de nanoparticules dans des microstructures polymères 1D, 2D et 3D". Electronic Thesis or Diss., Troyes, 2022. http://www.theses.fr/2022TROY0013.

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L’assemblage contrôlé de nanoparticules (NPs) sur des motifs micrométriques en 3D et sur une grande surface est une voie prometteuse pour la création de matériaux structurés aux propriétés nouvelles. Dans ce contexte, la combinaison de la lithographie avec le dépôt colloïdal a suscité un intérêt croissant au cours de la dernière décennie grâce aux avantages offerts par les 2 techniques. Dans cette thèse, nous avons développé une approche polyvalente permettant de contrôler l'assemblage de NPs quelles que soit leur nature, taille et forme. Cette approche est basée sur la fonctionnalisation des photopolymères afin de leur conférer des charges positives leur permettant après une étape de photopolymérisation à 2 photons (P2P) d’attirer des NPs chargées négativement grâce à des interactions électrostatiques. Les études de réactivité du photopolymère et des propriétés optiques et structurales des assemblages obtenus ont permis d’optimiser la stabilité photochimique en P2P, d’améliorer la reproductibilité du procédé, d’élargir la technique de fonctionnalisation à une série de monomères et d’amines et d’apporter une meilleure compréhension au mécanisme de fonctionnalisation. Parallèlement, nous avons proposé une nouvelle approche de fonctionnalisation qui consiste à traiter la surface polymérisée avec des amines. L’avantage de cette approche est la possibilité d’obtenir un assemblage de NPs sur des grandes surfaces polymérisées tout en s’affranchissant des contraintes liées à la fonctionnalisation préalable du monomère
The controlled assembly of nanoparticles (NPs) on 3D micropatterns and over a large surface is a promising method for the creation of structured materials with new properties. In this context, the combination of lithography with colloidal deposition has attracted much attention during the last decade due to the advantages offered by both approaches. In this thesis, we have developed a versatile method allowing the control of the assembly of NPs whatever their nature, size and shape. This approach is based on the functionalization of a photopolymer in order to give it positive charges allowing it, after two photon photopolymerization (2PP) step, to attract negatively charged NPs, due to electrostatic interactions. Studying the reactivity of the photopolymer and both optical and structural properties of the assemblies enabled us to optimize the photochemical stability in 2PP, improve the reproducibility of the process, extend the functionalization technique to a large number of amines and acrylic monomers and provide a better understanding of the functionalization mechanism. At the same time, we have proposed a new functionalization approach that consists of treating the polymerized surface with amines. The advantage of this approach is the possibility of obtaining an assembly of NPs on large surfaces produced by photopolymerization at 1 or 2 photons which overcomes the constraints associated with the prior functionalization of the monomer

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Martinet, Aurélien. "Structuring 3D Geometry based on Symmetry and Instancing Information". Phd thesis, 2007. http://tel.archives-ouvertes.fr/tel-00379200.

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In this thesis, we focus on "structural information" in computer graphics, that is the information concerning the structure of 3D objects or scenes. More specifically, we define structural information as a two-scale notion, namely the object and the scene levels and propose a way of structuring 3D Geometry at both levels using the information of symmetry and instancing. In the first part of this thesis, we propose an original method to structure the geometry at the object level based on the information of symmetry. Inspired by the work on principal component analysis, we introduce for this purpose the generalized moment functions of a 3D shape. From the symmetry information that we have computed on the objects of the scene, we present in the second part of this thesis an approach to represent an unstructured 3D scene as a hierarchy of instances adapted to common tasks such as rendering or geometry editing.

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Libri sul tema "3D structuring"

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Sharma, Sarah, e Rianka Singh, a cura di. Re-Understanding Media. Duke University Press, 2022. http://dx.doi.org/10.1215/9781478022497.

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The contributors to Re-Understanding Media advance a feminist version of Marshall McLuhan’s key text, Understanding Media: The Extensions of Man, repurposing his insight that “the medium is the message” for feminist ends. They argue that while McLuhan’s theory provides a falsely universalizing conception of the technological as a structuring form of power, feminist critics can take it up to show how technologies alter and determine the social experiences of race, gender, class, and sexuality. This volume showcases essays, experimental writings, and interviews from media studies scholars, artists, activists, and those who work with and create technology. Among other topics, the contributors extend McLuhan’s discussion of transportation technology to the attics and cargo boxes that moved Black women through the Underground Railroad, apply McLuhan’s concept of media as extensions of humans to analyze Tupperware as media of containment, and take up 3D printing as a feminist and decolonial practice. The volume demonstrates how power dynamics are built into technological media and how media can be harnessed for radical purposes. Contributors. Nasma Ahmed, Morehshin Allahyari, Sarah Banet-Weiser, Wendy Hui Kyong Chun, Brooke Erin Duffy, Ganaele Langlois, Sara Martel, Shannon Mattern, Cait McKinney, Jeremy Packer, Craig Robertson, Sarah Sharma, Ladan Siad, Rianka Singh, Nicholas Taylor, Armond R. Towns, and Jennifer Wemigwans

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Capitoli di libri sul tema "3D structuring"

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Lucas, Laurent, Céline Loscos e Yannick Remion. "3D Scene Reconstruction and Structuring". In 3D Video, 157–72. Hoboken, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118761915.ch8.

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Schramm, R. "Structuring and Metallization". In Three-Dimensional Molded Interconnect Devices (3D-MID), 63–108. München: Carl Hanser Verlag GmbH & Co. KG, 2014. http://dx.doi.org/10.3139/9781569905524.003.

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Franke, Jörg. "Structuring and Metallization". In Three-Dimensional Molded Interconnect Devices (3D-MID), 63–111. München, Germany: Carl Hanser Verlag GmbH & Co. KG, 2014. http://dx.doi.org/10.1007/978-1-56990-552-4_3.

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Pfarr-Harfst, Mieke, e Stefanie Wefers. "Digital 3D Reconstructed Models – Structuring Visualisation Project Workflows". In Digital Heritage. Progress in Cultural Heritage: Documentation, Preservation, and Protection, 544–55. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48496-9_43.

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Pfleging, Wilhelm, Petronela Gotcu, Peter Smyrek, Yijing Zheng, Joong Kee Lee e Hans Jürgen Seifert. "Lithium-Ion Battery—3D Micro-/Nano-Structuring, Modification and Characterization". In Laser Micro-Nano-Manufacturing and 3D Microprinting, 313–47. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59313-1_11.

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Gill, Andrew A., e Frederik Claeyssens. "3D Structuring of Biocompatible and Biodegradable Polymers Via Stereolithography". In Methods in Molecular Biology, 309–21. Totowa, NJ: Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60761-984-0_19.

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Buchberger, Gerda, Martina Muck, Cristina Plamadeala e Johannes Heitz. "Laser Structuring for Biomedical Applications". In Springer Series in Optical Sciences, 1105–65. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-14752-4_31.

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AbstractLaser structuring enables modification of sample topography, surface chemistry, and/or physical properties of materials. Examples of these processes are ripple, nap or wall formation, surface oxidation, induction of polymerization reactions, or changes in crystallinity or contact angle. These – most of the time – interrelated modifications are exploited widely for biomedical applications. They range from cell-repellent surfaces for easy-to-replace cardiac pacemakers, control of cell proliferation required in regenerative medicine, to increased cell adhesion for cell arrays. Furthermore, ns-laser-induced nanoripples were used for formation of gold nanowires for future surface plasmon resonance sensors directly integrated into biotechnological devices. Additive nano- and microscale manufacturing by two-photon polymerization allows for considerable progress in cell scaffold formation, paving the path for in vitro–grown organs, bones, and cartilages. The very same fs-laser-based technique was also used for biomimetic microneedles with enhanced liquid spreading on their surface. Microneedles are promising candidates for low-cost, high-throughput drug delivery and vaccination applicable even by nonmedically trained personnel. Microfluidic systems fabricated by fs-lasers have enabled progress in 3D microscopy of single cells and in studies on thrombocyte activation with the help of nanoanchors. Explicating the abovementioned and further biomedical applications, the authors put special focus on the achieved limits pointing out what scientists have accomplished so far in their pursuit of extreme scales.

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Xiao, Jianxiong, Jingni Chen, Dit-Yan Yeung e Long Quan. "Structuring Visual Words in 3D for Arbitrary-View Object Localization". In Lecture Notes in Computer Science, 725–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-88690-7_54.

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Ohn, Syng-Yup. "Neighborhood Decomposition of 3D Convex Structuring Elements for Morphological Operations". In Computer Analysis of Images and Patterns, 644–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11556121_79.

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Jorgensen, Carl-Johan, e Fabrice Lamarche. "From Geometry to Spatial Reasoning : Automatic Structuring of 3D Virtual Environments". In Motion in Games, 353–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25090-3_30.

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Atti di convegni sul tema "3D structuring"

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Malinauskas, Mangirdas, Simas Sakirzanovas, Viktorija Padolskyte, Darius Gailevicius, Vygantas Mizeikis, Kestutis Staliunas, Saulius Juodkazis et al. "3D opto-structuring of ceramics at nanoscale". In 3D Printed Optics and Additive Photonic Manufacturing, a cura di Georg von Freymann, Alois M. Herkommer e Manuel Flury. SPIE, 2018. http://dx.doi.org/10.1117/12.2306883.

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Shamir, Joseph, Rafael Piestun e Boris Spektor. "3D light structuring and some applications". In Selected Papers from the International Conference on Optics and Optoelectronics, a cura di Kehar Singh, Om P. Nijhawan, Arun K. Gupta e A. K. Musla. SPIE, 1999. http://dx.doi.org/10.1117/12.346785.

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Heller, Marcel, Dieter Kaiser, Maik Stegemann, Georg Holfeld, Nicoló Morgana, Jens Schneider e Daniel Sarlette. "Grayscale lithography: 3D structuring and thickness control". In SPIE Advanced Lithography, a cura di Will Conley. SPIE, 2013. http://dx.doi.org/10.1117/12.2008847.

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Dinescu, Adrian, e Adina Bragaru. "Silicon 3D structuring by anodization Florea ^Craciunoiu". In 2008 International Semiconductor Conference. IEEE, 2008. http://dx.doi.org/10.1109/smicnd.2008.4703363.

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Atescan, Yagmur, e Namiko Yamamoto. "3D Structuring of Magnetoelastomers for Anisotropic Actuation Properties". In AIAA Scitech 2020 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2020. http://dx.doi.org/10.2514/6.2020-2258.

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Shitrit, Nir, e Connie J. Chang-Hasnain. "Toward 3D Imaging with Ultracompact Structured Light System of Metasurface-Combining VCSELs". In 3D Image Acquisition and Display: Technology, Perception and Applications. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/3d.2022.3th3a.1.

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We report the alliance of vertical-cavity surface-emitting lasers and beam multiplier Dammann gratings for built-in structuring of lasing emission. Such ultracompact combined laser–metasurface systems open a new paradigm for three-dimensional imaging in small-footprint devices.

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Davis, Ericson R., Jeremy M. Eckhause, David K. Peterson e Vitali Volovoi. "An Analytics Framework for Structuring 3D Printing Deployment Decisions". In 2019 Annual Reliability and Maintainability Symposium (RAMS). IEEE, 2019. http://dx.doi.org/10.1109/rams.2019.8769235.

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Chen, M. H., Y. C. Lin e Y. C. Chou. "Laser-assist 3D Selective Structuring on SiP Module AiP Application". In 2023 International Conference on Electronics Packaging (ICEP). IEEE, 2023. http://dx.doi.org/10.23919/icep58572.2023.10129666.

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Mizeikis, Vygantas, Darius Gailevičius, Domas Paipulas e Kęstutis Staliūnas. "Tailoring optical birefringence of polymers using 3D femtosecond laser structuring". In Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVI, a cura di Georg von Freymann, Eva Blasco e Debashis Chanda. SPIE, 2023. http://dx.doi.org/10.1117/12.2649678.

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S., Bigot, Bissacco G. e Valentinčič J. "Die-Sinking Micro EDM for Complex 3D Structuring – Research Directions". In 8th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing Services, 2011. http://dx.doi.org/10.3850/978-981-07-0319-6_232.

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Rapporti di organizzazioni sul tema "3D structuring"

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Kharchenko, Yuliya V., Olena M. Babenko e Arnold E. Kiv. Using Blippar to create augmented reality in chemistry education. CEUR Workshop Proceedings, luglio 2021. http://dx.doi.org/10.31812/123456789/4630.

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This paper presents an analysis of the possibilities and advantages of augmented reality technologies and their implementation in training of future Chemistry and Biology teachers. The study revealed that the use of augmented reality technologies in education creates a number of advantages, such as: visualization of educational material; interesting and attractive learning process; increasing student motivation to study and others. Several augmented reality applications were analyzed. The Blippar app has been determined to have great benefits: it’s free; the interface is simple and user-friendly; the possibility of using different file types; the possibility of combining a large amount of information and logically structuring it; loading different types of information: video, images, 3D models, links to sites, etc. Thus, convenient interactive projects were developed using the Blippar application, which were called study guide with AR elements, and implemented in teaching chemical disciplines such as Laboratory Chemical Practice and Organic Chemistry. Using such study guide with AR elements during classes in a real chemical laboratory is safe and does not require expensive glassware. The student interviews revealed that the use of the Blippar application facilitated new material understanding, saved time needed to learn material, and was an effective addition to real-life learning.

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