{"id":235026,"date":"2015-12-02T23:00:00","date_gmt":"2015-12-02T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/thales-et-le-laboratoire-lusac-un-projet-de-recherche-sur-la-fiabilite-des-composants\/"},"modified":"2015-12-02T23:00:00","modified_gmt":"2015-12-02T23:00:00","slug":"thales-et-le-laboratoire-lusac-un-projet-de-recherche-sur-la-fiabilite-des-composants","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/thales-et-le-laboratoire-lusac-un-projet-de-recherche-sur-la-fiabilite-des-composants\/","title":{"rendered":"Thal\u00e8s et le laboratoire Lusac : un projet de recherche sur la fiabilit\u00e9 des composants"},"content":{"rendered":"<p>Le Laboratoire de recherche LUSAC et le centre Thales situ&eacute; &agrave; Ymare, pr&egrave;s de Rouen sont membres de la fili&egrave;re Normandie AeroEspace et ils ont obtenu un financement de l&rsquo;Agence Nationale pour la Recherche pour une th&egrave;se sur la fiabilit&eacute; des syst&egrave;mes et des composants, et plus particuli&egrave;rement l&rsquo;analyse thermique des composants en fonctionnement par spectroscopie RAMAN.<\/p>\n<p>Dans le cadre de cette th&egrave;se, Thales souhaite d&eacute;terminer avec pr&eacute;cision la temp&eacute;rature de jonction des transistors de puissance qui seront utilis&eacute;s dans les prochaines g&eacute;n&eacute;rations de radar.<\/p>\n<p>Aujourd&rsquo;hui, il est possible d&rsquo;&eacute;valuer la temp&eacute;rature de jonction soit par des mesures &eacute;lectriques qui permettent de relever une temp&eacute;rature moyenne mais pas la temp&eacute;rature aux points les plus chauds de la structure, soit par la mesure infrarouge, fr&eacute;quemment utilis&eacute;e, mais qui est limit&eacute;e en termes de finesse d&rsquo;analyse. <\/p>\n<\/p>\n<p>L&rsquo;objectif de l&rsquo;&eacute;tude LUSAC\/Thales est donc d&rsquo;exp&eacute;rimenter de nouvelles techniques comme la spectroscopie RAMAN qui permet de mesurer la temp&eacute;rature avec une grande pr&eacute;cision sur des surfaces beaucoup plus petites. En outre, le spectre RAMAN offre la possibilit&eacute; d&rsquo;&eacute;clairer les diff&eacute;rentes couches des mat&eacute;riaux et ainsi de remonter &agrave; la temp&eacute;rature aux points les plus chauds de la structure.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.chbg.unicaen.fr\/lusac\/\">Lusac (Laboratoire Universitaire des Sciences Appliqu&eacute;es de Cherbourg)<\/a><\/p>\n<p><a href=\"https:\/\/www.thalesgroup.com\/en\">Thal&egrave;s<\/a>\n<\/p>\n<p><a href=\"http:\/\/www.horiba.com\/fr\/scientific\/products\/raman-spectroscopy\/raman-spectrometers\/\">Horiba: Spectroscopie Raman<\/a>\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fiabilit\u00e9 des \u00e9quipements \u00e9lectroniques est un enjeu majeur pour les activit\u00e9s syst\u00e8mes terrestres et a\u00e9riens de Thales, qui n\u00e9cessite de caract\u00e9riser de mani\u00e8re tr\u00e8s pr\u00e9cise la temp\u00e9rature de fonctionnement des composants de puissance hyperfr\u00e9quences. Thales et le laboratoire normand LUSAC lancent une collaboration pour une th\u00e8se sur la fiabilit\u00e9 des syst\u00e8mes et des composants<\/p>\n","protected":false},"author":22,"featured_media":235027,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-235026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Thal\u00e8s et le laboratoire Lusac : un projet de recherche sur la...<\/title>\n<meta name=\"description\" content=\"La fiabilit\u00e9 des \u00e9quipements \u00e9lectroniques est un enjeu majeur pour les activit\u00e9s syst\u00e8mes terrestres et a\u00e9riens de Thales, qui n\u00e9cessite de...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/235026\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thal\u00e8s et le laboratoire Lusac : un projet de recherche sur la fiabilit\u00e9 des composants\" \/>\n<meta property=\"og:description\" content=\"La fiabilit\u00e9 des \u00e9quipements \u00e9lectroniques est un enjeu majeur pour les activit\u00e9s syst\u00e8mes terrestres et a\u00e9riens de Thales, qui n\u00e9cessite de caract\u00e9riser de mani\u00e8re tr\u00e8s pr\u00e9cise la temp\u00e9rature de fonctionnement des composants de puissance hyperfr\u00e9quences. 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