TERMIUM Plus^®

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Although rare, the revision operation for a fractured ceramic component carries a high risk of failure. The splintered fragments of the ceramic device are hard and sharp. If left in the wound these fragments would destroy the new total hip.  1, fiche 1, Anglais, - ceramic%20component

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CMC Blisk Material Development and Testing. Engineers at MSFC are developing fabrication processes and designs for ceramic matrix composite(CMC) components through material and component testing, structural modeling, microscopy, and nondestructive analysis techniques. CMCs will be utilized extensively on future generation launch vehicles for propulsion systems and for vehicle hot structure. They are necessary to enable lightweight components capable of operating over a wide temperature range. These advantages translate into increased safety and lower cost compared to state-of-the-art materials. MSFC is primarily responsible for developing CMCs and transitioning them into propulsion applications such as cooled and radiation cooled flow paths, thrust chambers, integrally bladed disks(blisks) and nozzles. Hot structures for leading edge and control surface applications are also supported.  2, fiche 2, Anglais, - hot%20structure

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Réalisation de la première structure chaude applicable à un avion spatial et démonstration de sa capacité à supporter les contraintes aérothermodynamiques de la rentrée atmosphérique.  2, fiche 2, Français, - structure%20chaude

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A substrate for an integrated component that may serve as physical support and thermal link to a thick-or thin-film integrated circuit, but which exhibits no transistance. Examples of passive substrates are glass, ceramic, and similar materials.  1, fiche 3, Anglais, - passive%20substrate

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small chip of ceramic-from 100 mils to as little as 25 mils in length. The ceramic chip is an inert substrate with the resistor on the surface. Their small size is their chief virtue but by no means their only virtue.... Chip resistors are an ideal circuit component for hybrid circuits. They are found in such items as hearing aids, electric microphones, hydrophone preamplifiers, pacemakers and other medical implants, smoke detectors, infrared satellites, piezoelectric transducers, and pyroelectric detectors. They are used in circuits for MOSFET protection, switching-transient suppression, filter elements, and resistor networks.  2, fiche 4, Anglais, - chip%20resistor

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TFEL: Thin-film electroluminescence.  3, fiche 5, Anglais, - TFEL%20panel

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Electroluminescent panel: A surface-area light source employing the principle of electroluminescence: consists of a suitable phosphor placed between sheet-metal electrodes, one of which is essentially transparent, with an alternating current applied between the electrodes.  4, fiche 5, Anglais, - TFEL%20panel

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Thin film : A film a few molecules thick deposited on a glass, ceramic, or semiconductor substrate to form a capacitor, resistor, coil, cryotron, or other circuit component.  5, fiche 5, Anglais, - TFEL%20panel

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L'électroluminescence est appliquée dans les panneaux électroluminescents, où la substance luminescente cristallisée constitue le diélectrique d'un condensateur dont les armatures sont alimentées en haute fréquence et dans les diodes électroluminescentes, constituées par des cristaux convenablement dopés, possédant une jonction pn, soumise à un courant continu à basse tension.  2, fiche 5, Français, - panneau%20%C3%A9lectroluminescent%20%C3%A0%20couche%20mince

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Ce mode de transformation de l'énergie [l'électroluminescence] est utilisé pour la réalisation des plaques électroluminescentes.  3, fiche 5, Français, - panneau%20%C3%A9lectroluminescent%20%C3%A0%20couche%20mince

Record number: 5, Textual support number: 3 OBS

Couche mince, dépôt métallique d'épaisseur extrêmement faible sur un substrat isolant (verre ou céramique) pour constituer des composants passifs, ainsi que leurs connexions, utilisés dans la fabrication de circuits électroniques de petites dimensions.  4, fiche 5, Français, - panneau%20%C3%A9lectroluminescent%20%C3%A0%20couche%20mince

Fiche 5,  Justifications,  Espagnol