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Статті в журналах з теми "Circuits intégrés – Innovations technologiques"
Trojman, L., F. Viteri та E. Sicard. "Pédagogie hybride pour l’apprentissage de la conception d’un microprocesseur simplifié niveau master avec μWind". J3eA 21 (2022): 1005. http://dx.doi.org/10.1051/j3ea/20221005.
Повний текст джерелаAmbert-Dahan, Emmanuèle. "Intelligence artificielle et réhabilitation auditive : état de la science." Audiology Direct, no. 4 (2020): 6. http://dx.doi.org/10.1051/audiodir/202004006.
Повний текст джерелаДисертації з теми "Circuits intégrés – Innovations technologiques"
David, Romain. "Study and design of integrated laser diode driver for 3D-depth sensing applications." Thesis, Lyon, 2021. http://www.theses.fr/2021LYSE1033.
Повний текст джерелаThree-dimensional (3D) image sensors are key enablers for unlocking emerging applications in consumer electronics such as facial recognition, presence detection, gesture control or Augmented Reality (AR). These sensors mostly rely on range measuring techniques such as structured-light or Time-of-Flight (ToF) principles. The indirect Time-of-Flight (iToF) principle offers the advantage of a simple, reliable and low cost solution for mobile applications by using a laser transmitter and an image sensor. Its operating principle is to calculate a distance by measuring the phase shift between a modulated infrared laser signal and the optical signal received by the sensor after reflection on an object from the scene. Laser pulses with a duty cycle close to 50\% are usually sent through the scene by modulating the current through a semiconductor laser diode. The thesis is focused on the study and design of a compact, cost-effective and efficient integrated Laser Diode Driver (LDD) for 3D-depth sensing applications used in mobile phones. The novelty here concerns the integration of the whole driver (except laser diode and some passive components) on a single chip while accommodating mobile phone constraints (low supply voltages, high integration). Another important requirement concerns the high voltage spikes occurring during fast transients due to stray inductance. Finally, a high efficiency and low losses in the chip are critical for saving the battery lifetime and minimizing the self-heating. For comparison purposes, two different driving topologies, implementing a DC/DC converter connecting a switching element either in series or in parallel with a laser diode, have been retained as basis for designing the laser diode driver. Two IC prototypes have been realized using a 130nm CMOS technology from STMicroelectronics. Both drivers are able to generate current pulses up to 3A with a 2.5ns pulse width at a maximum 200MHz frequency under a 3.6V supply voltage. Under theses conditions, they provide an average output electrical power of 4.5W to the laser diode with an electrical efficiency of around 60%
Ouattara, Boukary. "Prévision des effets de vieillissement par électromigration dans les circuits intégrés CMOS en noeuds technologiques submicroniques." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066253/document.
Повний текст джерелаElectromigration (EMG) is a consequence of miniaturization of integrated circuits in general and the reduction of interconnect dimensions in particular. It is identified as one of the critical reliability phenomenon for integrated circuits designed in submicron technologies. The methods of checking this phenomenon at design level are mostly based on current density rules and temperature. These rules are becoming difficult to implement due to increasing current density in interconnection network. This thesis is based on researching for ways to improve detection of electromigration risks at design level. The goal is to establish a relation between electrical rules and interconnect degradation mechanism. Results obtained from ageing tests permit us to relax current limit without altered circuit lifetimes. Finally, this project has been instrumental to define design rules based on optimization of clock tree cells placement in integrated circuit power grid. The application of solution proposed during this work permit to design robust circuits toward EMG
Godts-Poubelle, Pascale. "Modélisation et optimisation en vue de réalisations technologiques de M. E. S. F. E. T. Et de T. E. G. F. E. T. AlGaAs/GaAs." Lille 1, 1988. http://www.theses.fr/1988LIL10081.
Повний текст джерелаFarooq, Umer. "Exploration et optimisation des architectures de circuits FPGA hétérogènes à base de structures arborescentes et dédiées aux applications spécifiques." Paris 6, 2011. http://www.theses.fr/2011PA066284.
Повний текст джерелаKhalkhal, Abdelaziz. "Contribution à la caractérisation de processus technologiques CMOS : étude de structures de test destinées à la mesure de capacités des composants élémentaires." Montpellier 2, 1994. http://www.theses.fr/1994MON20208.
Повний текст джерелаGaltie, Franck. "De l'analyse d'un système alimenté sur le secteur à l'intégration fonctionnelle de sa commande." Tours, 2001. http://www.theses.fr/2001TOUR4025.
Повний текст джерелаVitiello, Julien. "Etude des matériaux diélectriques à très faible permittivité déposés par voie chimique en phase vapeur développés pour l'isolation des interconnexions cuivre des circuits intégrés pour les générations technologiques 45 nm et 32 nm." Lyon, INSA, 2006. http://theses.insa-lyon.fr/publication/2006ISAL0097/these.pdf.
Повний текст джерелаThe performance requirements for sub-65 nm generations imply the use of dielectric films with ultra low k-value in interconnects. With the introduction of copper, two dielectric films play a major role in the architecture: an insulator in between the metal lines and a dielectric barrier capping the top of these lines. For the 45 nm node, ultra low k-value insulators are obtained by introducing porosity into a SiOC matrix. These porous films are a true technological jump for the whole interconnect module integration. The dielectric barriers must also have a low k-value. To this purpose, the SiCN film, used for the 65 nm generation, must be replaced by a material showing the same barrier properties but less dense to satisfy the requirements in electric performances. The ultra low k-value insulator is based on a non porogen approach, called restructuring. The study of the process of deposit and the characteristics of film allow highlighting the physical phenomena at the origin of the graded structure in depth of the film. The mechanical properties were determined by nanoindentation, using a method based on multilayers. The improvement of the mechanical resistance of this porous film was obtained using a thermally assisted ultraviolet treatment. Its effectiveness depends on exposure duration and purge gas in the chamber. Moreover, the kinetics of cross-linking in the SiOC structure is related to the film density. Lastly, the feasibility of the integration of this film was evidenced. With regard to the dielectric barriers, two solutions for the 45 nm generation were evaluated: a plasma stabilized SiC layer and a SiCN bilayer. Their barrier efficiency was evaluated thanks to two methods developed in this study. That made it possible to qualify the performances of these new layers
Duluc, Jean-Baptiste. "Contribution à l'étude des paramètres technologiques et du modèle de transistor bi-polaire : application au contrôle du procédé de fabrication et à la conception des circuits intégrés." Bordeaux 1, 1999. http://www.theses.fr/1999BOR10508.
Повний текст джерелаImbernon, Eric. "Etude et optimisation d'une filière technologique flexible adaptée au mode d'intégration fonctionnelle." Toulouse 3, 2002. http://www.theses.fr/2002TOU30139.
Повний текст джерелаBrochard, Nicolas. "Intégration 3D : vers des capteurs d'image innovants à haute performance." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCK020/document.
Повний текст джерелаNowadays, CMOS image sensors are almost exclusively architectured around analog pixels. A transition to purely digital pixels would significantly improve the performances of imagers. Unfortunately, such an approach is difficult to consider because it causes an oversized and unusable pixel for the consumer market. One of the promising ways to solve this problem of pixel integration is to think not only in 2D dimensions, but in 3D dimensions by distributing the different functionalities on several interconnected wafers.Thus, the work presented in this manuscript describes the design of a purely digital image sensor in CMOS 3D-IC 130 nm Tezzaron technology. This sensor is architectured around a digital pixel integrating a first order sigma delta modulation on 10 bits of maximum resolution. The exhaustive study of the different blocks constituting the pixel allowed us to finally propose a solution guaranteeing a contained surface of silicon: final pixel size of 32.5 μm × 32.5 μm with a fill factor of at least 80 %. Regarding performances, the pixel simulations showed good results: 11 μA/pixel consumption, 60 dB signal-to-noise ratio, 7.2 effective number of bits, maximum and minimum differential nonlinearity of +1,37/-0,73 (for 10 bits) and a maximum and minimum integral nonlinearity of + 2,447/-3,5 (for 10 bits)