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Academic literature on the topic 'Fiabilité d’oxyde de grille'
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Journal articles on the topic "Fiabilité d’oxyde de grille"
Verzaux, S., C. E. Notredame, N. Pauwels, T. Danel, G. Vaiva, and M. Walter. "Validation d’une grille d’évaluation qualitative d’articles de presse écrite sur le suicide, dans le cadre du programme Papageno." European Psychiatry 30, S2 (November 2015): S143—S144. http://dx.doi.org/10.1016/j.eurpsy.2015.09.285.
Full textSévigny, Odile, Anne Quéniart, Abby Lippman, Salinda Hess, and Patrick Chabot. "L’évaluation des soins holistiques." Lien social et Politiques, no. 75 (May 11, 2016): 57–62. http://dx.doi.org/10.7202/1036291ar.
Full textSévigny, Odile, Anne Quéniart, Abby Lippman, Salinda Hess, and Patrick Chabot. "L’évaluation des soins holistiques." III. Contrôles, ouvertures, no. 24 (November 10, 2015): 109–14. http://dx.doi.org/10.7202/1033943ar.
Full textLAVILLE, E., J. BOUIX, T. SAYD, F. EYCHENNE, F. MARCQ, P. L. LEROY, J. M. ELSEN, and B. BIBE. "La conformation bouchère des agneaux. Etude d’après la variabilité génétique entre races." INRAE Productions Animales 15, no. 1 (February 12, 2002): 53–66. http://dx.doi.org/10.20870/productions-animales.2002.15.1.3687.
Full textRAYNAUD, C., L. LETRILLIART, and P.-Y. MEUNIER. "IDENTIFICATION DES SYSTEMES D'AIDE A LA DECISION MEDICALE EVALUES EN SOINS PRIMAIRES. UNE REVUE SYSTEMATIQUE DE LA LITTERATURE." EXERCER 34, no. 189 (January 1, 2023): 28–35. http://dx.doi.org/10.56746/exercer.2023.189.28.
Full textDori, Daniel, Frederic Eric Sawadogo, Gerard Josias B. Yaméogo, Nicolas Méda, and Rasmané Semdé. "Etude des pratiques des délégués médicaux et de la qualité des informations fournies aux agents de santé lors des visites de promotion des produits de santé." Journal Africain de Technologie Pharmaceutique et Biopharmacie (JATPB) 2, no. 3 (December 20, 2023). http://dx.doi.org/10.57220/jatpb.v2i3.134.
Full textBurmeister, Antje. "Just-in-time, logistic strategies and the role of transport." Les Cahiers Scientifiques du Transport - Scientific Papers in Transportation 38 | 2000 (November 30, 2000). http://dx.doi.org/10.46298/cst.11986.
Full textDissertations / Theses on the topic "Fiabilité d’oxyde de grille"
Gay, Roméric. "Développement de composants analogiques embarqués dans des microcontrôleurs destinés à l'Internet des Objets (loT)." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0218.
Full textThe aim of this work is to improve the performance, cost and area of a microcontroller manufactured in a 40 nm CMOS embedded memory technology (eNVM), by developing new transistor architectures suitable for the IoT market. The context is first presented with a focus on the technological and economical limitations of the CMOS technology. In a second part, the eNVM manufacturing process as well as the architecture and operation mode of a new component called triple gate transistor are presented. Based on this new architecture which provides independent control gates, various multigate transistors are manufactured and their electrical behaviour is analysed. Reliability studies are then carried out, to assess the reliability of the gate’s oxides. The objective is to study the impact of an electrical stress applied to one transistor gate on the gates not subject to this same stress. Electrical characterizations and TCAD simulations are also conducted to improve the understanding. Finally, the structure of the triple gate transistor is modelled using a compact PSP transistor model. The aim is to evaluate the behaviour but also the electrical performance of this transistor at the circuit level
Ouaida, Rémy. "Vieillissement et mécanismes de dégradation sur des composants de puissance en carbure de silicium (SIC) pour des applications haute température." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10228/document.
Full textSince 2000, Silicon Carbide (SiC) power devices have been available on the market offering tremendous performances. This leads to really high efficiency power systems, and allows achieving significative improvements in terms of volume and weight, i.e. a better integration. Moreover, SiC devices could be used at high temperature (>200°C). However, the SiCmarket share is limited by the lack of reliability studies. This problem has yet to be solved and this is the objective of this study : aging and failure mechanisms on power devices for high temperature applications. Aging tests have been realized on SiC MOSFETs. Due to its simple drive requirement and the advantage of safe normally-Off operation, SiCMOSFET is becoming a very promising device. However, the gate oxide remains one of the major weakness of this device. Thus, in this study, the threshold voltage shift has been measured and its instability has been explained. Results demonstrate good lifetime and stable operation regarding the threshold voltage below a 300°C temperature reached using a suitable packaging. Understanding SiC MOSFET reliability issues under realistic switching conditions remains a challenge that requires investigations. A specific aging test has been developed to monitor the electrical parameters of the device. This allows to estimate the health state and predict the remaining lifetime.Moreover, the defects in the failed device have been observed by using FIB and SEM imagery. The gate leakage current appears to reflect the state of health of the component with a runaway just before the failure. This hypothesis has been validated with micrographs showing cracks in the gate. Eventually, a comparative study has been realized with the new generations of SiCMOSFET
Le, Roux Claire. "Etude de la fiabilité des mémoires non volatiles à grille flottante." Aix-Marseille 1, 2008. http://theses.univ-amu.fr.lama.univ-amu.fr/2008AIX11046.pdf.
Full textThe increasing scaling-down of non volatile memories induces new reliability issues. Some applications of these memories, especially automotive ones, need very strict reliability specifications to guarantee that the product works at 150°C. In this context, it is essential to understand the failure mechanisms of the non volatile memories with a floating gate. In this thesis, we studied the intrinsic charge loss in a Flash technology, which allowed us a better understanding and modeling of the phenomenon. The principal reliability issue of EEPROM cells is the extrinsic charge loss. We studied the influence of different parameters of the cells in order to reduce this extrinsic charge loss. At last, we presented two new experimental methods to quantify the extrinsic cells of a CAST (Cell Array Structure Test), and a study of the ionic contamination effects on Flash and EEPROM cells’ retention
Rebuffat, Benjamin. "Etude de la fiabilité des mémoires non-volatiles à grille flottante." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4383.
Full textMany specific applications used in automotive, medical and spatial activity domains, require a high reliability level. In this context, this thesis focuses on the study of floating gate non-volatiles memories reliability more precisely in NOR Flash architecture. After an introduction mixing the state of art of non-volatiles memories and the electrical characterization of Flash memories, a study on the polarization signals effect has been led. A model has been developed in order to model the threshold voltage kinetic during an erase operation. The erasing ramp effect has been shown on kinetics and also on cycling. Then, a study on the tunnel oxide lifetime has shown the importance of relaxation during stress. This dependence has been characterized as a function of duty cycle and the electric field applied. Finally, Flash memory cell endurance has been explored and the relaxation effects during the cycling has been analyzed
Rebuffat, Benjamin. "Etude de la fiabilité des mémoires non-volatiles à grille flottante." Electronic Thesis or Diss., Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4383.
Full textMany specific applications used in automotive, medical and spatial activity domains, require a high reliability level. In this context, this thesis focuses on the study of floating gate non-volatiles memories reliability more precisely in NOR Flash architecture. After an introduction mixing the state of art of non-volatiles memories and the electrical characterization of Flash memories, a study on the polarization signals effect has been led. A model has been developed in order to model the threshold voltage kinetic during an erase operation. The erasing ramp effect has been shown on kinetics and also on cycling. Then, a study on the tunnel oxide lifetime has shown the importance of relaxation during stress. This dependence has been characterized as a function of duty cycle and the electric field applied. Finally, Flash memory cell endurance has been explored and the relaxation effects during the cycling has been analyzed
Arfaoui, Wafa. "Fiabilité Porteurs Chauds (HCI) des transistors FDSOI 28nm High-K grille métal." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4335.
Full textAs the race towards miniaturization drives the industrial requirements to more performances on less area, MOSFETs reliability has become an increasingly complex topic. To maintain a continuous miniaturization pace, conventional transistors on bulk technologies were replaced by new MOS architectures allowing a better electrostatic integrity such as the FDSOI technology with high-K dielectrics and metal gate. Despite all the architecture innovations, degradation mechanisms remains increasingly pronounced with technological developments. One of the most critical issues of advanced technologies is the hot carrier degradation mechanism (HCI) and Bias Temperature Instability (BTI) effects. To ensure a good performance reliability trade off, it is necessary to characterize and model the different failure mechanisms at device level and the interaction with Bias Temperature Instability (BTI) that represents a strong limitation of scaled CMOS nodes. This work concern hot carrier degradation mechanisms on 28nm transistors of the FDSOI technology. Based on carrier’s energy, the energy driven model proposed in this manuscript can predict HC degradation taking account of substrate bias dependence (VB) including the channel length effects (L), gate oxide thickness (TOX) , back oxide BOX (TBox) and silicon film thickness (TSI ). This thesis opens up new perspectives of the model Integration into a circuit simulator, to anticipate the reliability of future technology nodes and check out circuit before moving on to feature design steps
Boujamaa, Rachid. "Caractérisations physico-chimiques et électriques d’empilements de couches d’oxyde à forte permittivité (high-k) / grille métallique pour l’ajustement du travail effectif de la grille : application aux nouvelles générations de transistors." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENT100.
Full textThis thesis is part of the development of CMOS technologies 32/28nm STMicroelectronics. It focuses on the study of stacks of metal / high-k dielectric prepared by an integration strategy Gate First , where the couple TiN / HfSiON gate is introduced with an interfacial layer SiON and encapsulation of TiN gate polysilicon by . The study was mainly focused on the analysis of interactions between the various layers forming the stacks , in particular lanthanum and aluminum additives , used for modulating the threshold voltage Vth of the PMOS and NMOS transistors respectively . The physico-chemical analyzes in this work helped to highlight the depth distribution of the elements La and Al through the HfSiON gate dielectric under the influence of dopant activation annealing at 1065 ° C. The results obtained showed that this diffusion process causes a reaction of lanthanum and aluminum with the interfacial layer of SiON to form a stable silicate La ( or Al ) SiO benefit of the SiON layer . The analysis of electrical properties of MOS structures revealed that the presence of the atoms near the Al or HfSiON / SiON interface leads to the presence of a dipole generated at this interface , which has the effect of shifting actual output work of the metal gate
Carmona, Marion. "Fiabilité des transistors MOS des technologies à mémoires non volatiles embarquées." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4709/document.
Full textThis thesis focuses on various degradation phenomena that can impact MOS transistors according to their applications on CMOS technologies with embedded non-volatile memories. The transistors used in order to apply potentials greater than 10V in programming and erasing steps of charge storage non-volatile memories have been studied. These transistors are impacted by specific degradation mechanisms due to the use of high voltage. Moreover, manufacturing processes can be modified in order to improve MOSFETs performances, and thus, these variations may have an impact on the degradation mechanisms of MOS transistors. Therefore, several process steps of digital transistor for low power application were changed in order to increase carrier mobility. Furthermore, due to limitations of MOS transistors conventional architecture, new architectures have been proposed for analog and digital transistors in order to remove the "hump" effect or reduce the total area of transistor by moving the gate contact over active area
Ille, Adrien. "Fiabilité des oxydes de grille ultra-minces sous décharges électrostatiques dans les technologies CMOS fortement sub-microniques." Phd thesis, Université de Provence - Aix-Marseille I, 2008. http://tel.archives-ouvertes.fr/tel-00407545.
Full textNguyen, Théodore. "Caractérisation, modélisation et fiabilité des diélectriques de grille à base de HfO2 pour les futures technologies CMOS." Lyon, INSA, 2009. http://theses.insa-lyon.fr/publication/2009ISAL0067/these.pdf.
Full textThe downscaling of CMOS transistors has yielded better device performances, improved integration densities and driven down the average price of electronic devices. As of today, however, the enduring push toward miniaturization has hit a performance wall, where it becomes necessary to replace the traditional thermal gate oxide with a high-permittivity one. The semiconductor industry has chosen hafnium oxide as the best candidate to replace SiO2. Although hafnium oxide is effective at reducing gate leakage currents, its integration poses new challenges concerning device reliability, which is related to the oxide/channel interface and to the charge injected and trapped in the gate oxide. This work aims to investigate these points. In order to ensure that hafnium oxide-based devices are reliable, this work studies ways to characterize and modeling of defects within the gate stack, as well as the conduction mechanisms through the gate oxide. It also discusses the mechanisms of defects generation by PBTI. The understanding of the physical phenomena that affect device reliability is fundamental for high-k oxide integration