{"id":2173,"date":"2026-04-14T03:08:56","date_gmt":"2026-04-14T03:08:56","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?post_type=product&#038;p=2173"},"modified":"2026-04-14T03:08:59","modified_gmt":"2026-04-14T03:08:59","slug":"4-inch-100mm-hpsi-silicon-carbide-wafer","status":"publish","type":"product","link":"https:\/\/www.zmsh-semitech.com\/fr\/product\/4-inch-100mm-hpsi-silicon-carbide-wafer\/","title":{"rendered":"4 Inch 100mm HPSI Carbure de Silicium Wafer"},"content":{"rendered":"<p data-start=\"202\" data-end=\"487\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-2177 size-medium\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-300x300.webp\" alt=\"4 Inch 100mm HPSI Carbure de Silicium Wafer\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>La plaquette de carbure de silicium HPSI de 4 pouces est un substrat semi-isolant de haute puret\u00e9 con\u00e7u pour les applications RF, micro-ondes et opto\u00e9lectroniques avanc\u00e9es. HPSI d\u00e9signe un mat\u00e9riau semi-isolant de haute puret\u00e9, caract\u00e9ris\u00e9 par une r\u00e9sistivit\u00e9 extr\u00eamement \u00e9lev\u00e9e et une excellente isolation \u00e9lectrique.<\/p>\n<p data-start=\"489\" data-end=\"899\">Le carbure de silicium est un semi-conducteur \u00e0 large bande interdite compos\u00e9 de silicium et de carbone. Par rapport aux plaquettes de silicium conventionnelles, il offre une conductivit\u00e9 thermique sup\u00e9rieure, un champ \u00e9lectrique de rupture plus \u00e9lev\u00e9 et de meilleures performances dans des conditions de fonctionnement extr\u00eames. Sous forme semi-isolante, le carbure de silicium r\u00e9duit consid\u00e9rablement la conduction parasite, ce qui en fait une plate-forme id\u00e9ale pour les dispositifs \u00e9lectroniques \u00e0 haute fr\u00e9quence et \u00e0 haute puissance.<\/p>\n<p data-start=\"901\" data-end=\"1198\">Ce format de plaquette de 4 pouces est largement utilis\u00e9 dans la recherche et la production industrielle en raison de son \u00e9quilibre entre le co\u00fbt, la maturit\u00e9 et la compatibilit\u00e9 des processus. Il est particuli\u00e8rement adapt\u00e9 aux dispositifs RF, aux syst\u00e8mes de communication 5G, aux modules radar et aux technologies optiques \u00e9mergentes telles que les composants de guides d'ondes AR.<\/p>\n<h2 data-section-id=\"1a3ueyz\" data-start=\"1205\" data-end=\"1222\">Sp\u00e9cifications<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1224\" data-end=\"1626\">\n<thead data-start=\"1224\" data-end=\"1245\">\n<tr data-start=\"1224\" data-end=\"1245\">\n<th class=\"\" data-start=\"1224\" data-end=\"1236\" data-col-size=\"sm\">Param\u00e8tres<\/th>\n<th class=\"\" data-start=\"1236\" data-end=\"1245\" data-col-size=\"sm\">Valeur<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1266\" data-end=\"1626\">\n<tr data-start=\"1266\" data-end=\"1293\">\n<td data-start=\"1266\" data-end=\"1277\" data-col-size=\"sm\">Diam\u00e8tre<\/td>\n<td data-col-size=\"sm\" data-start=\"1277\" data-end=\"1293\">100 \u00b1 0,5 mm<\/td>\n<\/tr>\n<tr data-start=\"1294\" data-end=\"1316\">\n<td data-start=\"1294\" data-end=\"1306\" data-col-size=\"sm\">\u00c9paisseur<\/td>\n<td data-col-size=\"sm\" data-start=\"1306\" data-end=\"1316\">350 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"1317\" data-end=\"1350\">\n<td data-start=\"1317\" data-end=\"1328\" data-col-size=\"sm\">Mat\u00e9riau<\/td>\n<td data-col-size=\"sm\" data-start=\"1328\" data-end=\"1350\">SiC monocristallin<\/td>\n<\/tr>\n<tr data-start=\"1351\" data-end=\"1384\">\n<td data-start=\"1351\" data-end=\"1358\" data-col-size=\"sm\">Type<\/td>\n<td data-col-size=\"sm\" data-start=\"1358\" data-end=\"1384\">HPSI (semi-isolant)<\/td>\n<\/tr>\n<tr data-start=\"1385\" data-end=\"1423\">\n<td data-start=\"1385\" data-end=\"1399\" data-col-size=\"sm\">R\u00e9sistivit\u00e9<\/td>\n<td data-col-size=\"sm\" data-start=\"1399\" data-end=\"1423\">\u22651E5 \u00e0 \u22651E10 ohm-cm<\/td>\n<\/tr>\n<tr data-start=\"1424\" data-end=\"1463\">\n<td data-start=\"1424\" data-end=\"1444\" data-col-size=\"sm\">Rugosit\u00e9 de surface<\/td>\n<td data-col-size=\"sm\" data-start=\"1444\" data-end=\"1463\">CMP Ra \u2264 0,2 nm<\/td>\n<\/tr>\n<tr data-start=\"1464\" data-end=\"1481\">\n<td data-start=\"1464\" data-end=\"1470\" data-col-size=\"sm\">TTV<\/td>\n<td data-col-size=\"sm\" data-start=\"1470\" data-end=\"1481\">\u2264 10 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"1482\" data-end=\"1500\">\n<td data-start=\"1482\" data-end=\"1489\" data-col-size=\"sm\">Distorsion<\/td>\n<td data-start=\"1489\" data-end=\"1500\" data-col-size=\"sm\">\u2264 30 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"1501\" data-end=\"1553\">\n<td data-start=\"1501\" data-end=\"1515\" data-col-size=\"sm\">Orientation<\/td>\n<td data-col-size=\"sm\" data-start=\"1515\" data-end=\"1553\">Options sur l'axe  ou hors axe<\/td>\n<\/tr>\n<tr data-start=\"1554\" data-end=\"1584\">\n<td data-start=\"1554\" data-end=\"1561\" data-col-size=\"sm\">Bord<\/td>\n<td data-col-size=\"sm\" data-start=\"1561\" data-end=\"1584\">Biseau standard SEMI<\/td>\n<\/tr>\n<tr data-start=\"1585\" data-end=\"1626\">\n<td data-start=\"1585\" data-end=\"1593\" data-col-size=\"sm\">Grade<\/td>\n<td data-start=\"1593\" data-end=\"1626\" data-col-size=\"sm\">Production \/ Recherche \/ Factice<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1628\" data-end=\"1790\">Ces param\u00e8tres garantissent une qualit\u00e9 de surface \u00e9lev\u00e9e, une faible densit\u00e9 de d\u00e9fauts et des propri\u00e9t\u00e9s m\u00e9caniques stables, n\u00e9cessaires \u00e0 la croissance \u00e9pitaxiale et \u00e0 la fabrication de dispositifs de pr\u00e9cision.<\/p>\n<h2 data-section-id=\"1p4die8\" data-start=\"1797\" data-end=\"1824\">Caract\u00e9ristiques des mat\u00e9riaux<img decoding=\"async\" class=\"size-medium wp-image-2176 alignright\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-300x300.webp\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h2>\n<p data-start=\"1826\" data-end=\"2024\">Le carbure de silicium est l'un des mat\u00e9riaux semi-conducteurs de troisi\u00e8me g\u00e9n\u00e9ration les plus importants. Sa large bande interdite permet aux dispositifs de fonctionner \u00e0 des tensions plus \u00e9lev\u00e9es avec des courants de fuite plus faibles que ceux du silicium.<\/p>\n<p data-start=\"2026\" data-end=\"2253\">La caract\u00e9ristique principale des plaquettes HPSI est leur r\u00e9sistivit\u00e9 extr\u00eamement \u00e9lev\u00e9e. Cette propri\u00e9t\u00e9 minimise le flux de courant ind\u00e9sirable \u00e0 l'int\u00e9rieur du substrat, ce qui est essentiel pour maintenir l'int\u00e9grit\u00e9 du signal dans les applications RF et micro-ondes.<\/p>\n<p data-start=\"2255\" data-end=\"2478\">La conductivit\u00e9 thermique est nettement plus \u00e9lev\u00e9e que celle des mat\u00e9riaux semi-conducteurs traditionnels, ce qui permet une dissipation efficace de la chaleur lors d'un fonctionnement \u00e0 haute puissance. Cela r\u00e9duit les contraintes thermiques et am\u00e9liore la fiabilit\u00e9 \u00e0 long terme.<\/p>\n<p data-start=\"2480\" data-end=\"2761\">Le SiC pr\u00e9sente \u00e9galement un champ \u00e9lectrique de rupture \u00e9lev\u00e9, ce qui permet aux dispositifs de supporter des tensions \u00e9lev\u00e9es sans augmenter leur taille. En outre, le mat\u00e9riau conserve des performances stables \u00e0 haute temp\u00e9rature, \u00e0 haute fr\u00e9quence et en cas d'exposition aux rayonnements, ce qui le rend adapt\u00e9 aux environnements exigeants.<\/p>\n<h2 data-section-id=\"mu966k\" data-start=\"2768\" data-end=\"2783\">Applications<\/h2>\n<p data-start=\"2785\" data-end=\"3075\"><strong data-start=\"2785\" data-end=\"2813\">Dispositifs RF et micro-ondes<\/strong><br data-start=\"2813\" data-end=\"2816\" \/>Les plaquettes de carbure de silicium HPSI sont largement utilis\u00e9es comme substrats pour les amplificateurs RF et les circuits haute fr\u00e9quence. Leur haute r\u00e9sistivit\u00e9 r\u00e9duit les pertes parasites et am\u00e9liore l'efficacit\u00e9 de la transmission des signaux, ce qui les rend essentiels pour l'\u00e9lectronique de communication avanc\u00e9e.<\/p>\n<p data-start=\"3077\" data-end=\"3378\"><strong data-start=\"3077\" data-end=\"3112\">Infrastructure de communication 5G<\/strong><br data-start=\"3112\" data-end=\"3115\" \/>Dans les syst\u00e8mes 5G, les appareils fonctionnent \u00e0 des fr\u00e9quences plus \u00e9lev\u00e9es et n\u00e9cessitent des mat\u00e9riaux offrant une excellente isolation \u00e9lectrique. Les plaques SiC HPSI assurent des performances stables dans les stations de base et les modules sans fil, ce qui permet d'am\u00e9liorer l'efficacit\u00e9 de la transmission des donn\u00e9es et de r\u00e9duire la perte d'\u00e9nergie.<\/p>\n<p data-start=\"3380\" data-end=\"3668\"><strong data-start=\"3380\" data-end=\"3414\">Lunettes AR et syst\u00e8mes optiques<\/strong><br data-start=\"3414\" data-end=\"3417\" \/>Dans les dispositifs de r\u00e9alit\u00e9 augment\u00e9e, les plaquettes de SiC sont utilis\u00e9es dans les composants optiques et les guides d'ondes. Leur stabilit\u00e9 structurelle et leur compatibilit\u00e9 avec les technologies de traitement de pr\u00e9cision favorisent le d\u00e9veloppement de syst\u00e8mes optiques compacts et performants.<\/p>\n<p data-start=\"3670\" data-end=\"3939\"><strong data-start=\"3670\" data-end=\"3699\">Radar et syst\u00e8mes de d\u00e9fense<\/strong><br data-start=\"3699\" data-end=\"3702\" \/>Les substrats SiC HPSI sont adapt\u00e9s \u00e0 l'\u00e9lectronique radar et de d\u00e9fense qui n\u00e9cessite une puissance \u00e9lev\u00e9e, une haute fr\u00e9quence et une grande fiabilit\u00e9. Ils maintiennent un fonctionnement stable dans des conditions environnementales extr\u00eames, y compris les temp\u00e9ratures \u00e9lev\u00e9es et les radiations.<\/p>\n<p data-start=\"3941\" data-end=\"4136\"><strong data-start=\"3941\" data-end=\"3967\">Dispositifs opto\u00e9lectroniques<\/strong><br data-start=\"3967\" data-end=\"3970\" \/>Ces plaquettes sont \u00e9galement utilis\u00e9es dans les dispositifs opto\u00e9lectroniques et photoniques o\u00f9 l'isolation \u00e9lectrique et les performances thermiques sont essentielles pour l'efficacit\u00e9 et la stabilit\u00e9 du dispositif.<\/p>\n<p data-start=\"3941\" data-end=\"4136\"><img decoding=\"async\" class=\"wp-image-2178 size-large aligncenter\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-1024x683.png\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-1024x683.png 1024w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-300x200.png 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-768x512.png 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-18x12.png 18w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-600x400.png 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 data-section-id=\"105f916\" data-start=\"4143\" data-end=\"4162\">Niveaux disponibles<\/h2>\n<p data-start=\"4164\" data-end=\"4275\">Niveau de production<br data-start=\"4180\" data-end=\"4183\" \/>Utilis\u00e9 pour la fabrication d'appareils commerciaux avec un contr\u00f4le de qualit\u00e9 strict et une faible densit\u00e9 de d\u00e9fauts.<\/p>\n<p data-start=\"4277\" data-end=\"4365\">Note de recherche<br data-start=\"4291\" data-end=\"4294\" \/>Convient au d\u00e9veloppement, aux essais et \u00e0 l'optimisation des processus en laboratoire.<\/p>\n<p data-start=\"4367\" data-end=\"4455\">Grade fictif<br data-start=\"4378\" data-end=\"4381\" \/>Appliqu\u00e9 \u00e0 l'\u00e9talonnage des \u00e9quipements, aux essais de processus et \u00e0 l'utilisation non fonctionnelle.<\/p>\n<h2 data-section-id=\"19b7k0q\" data-start=\"4462\" data-end=\"4485\">Comparaison Si vs SiC<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4487\" data-end=\"4792\">\n<thead data-start=\"4487\" data-end=\"4527\">\n<tr data-start=\"4487\" data-end=\"4527\">\n<th class=\"\" data-start=\"4487\" data-end=\"4498\" data-col-size=\"sm\">Propri\u00e9t\u00e9<\/th>\n<th class=\"\" data-start=\"4498\" data-end=\"4508\" data-col-size=\"sm\">Silicium<\/th>\n<th class=\"\" data-start=\"4508\" data-end=\"4527\" data-col-size=\"sm\">Carbure de silicium<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4568\" data-end=\"4792\">\n<tr data-start=\"4568\" data-end=\"4600\">\n<td data-start=\"4568\" data-end=\"4578\" data-col-size=\"sm\">Bande interdite<\/td>\n<td data-col-size=\"sm\" data-start=\"4578\" data-end=\"4588\">1,12 eV<\/td>\n<td data-col-size=\"sm\" data-start=\"4588\" data-end=\"4600\">~3,26 eV<\/td>\n<\/tr>\n<tr data-start=\"4601\" data-end=\"4641\">\n<td data-start=\"4601\" data-end=\"4615\" data-col-size=\"sm\">R\u00e9sistivit\u00e9<\/td>\n<td data-col-size=\"sm\" data-start=\"4615\" data-end=\"4621\">Faible<\/td>\n<td data-col-size=\"sm\" data-start=\"4621\" data-end=\"4641\">Tr\u00e8s \u00e9lev\u00e9 (HPSI)<\/td>\n<\/tr>\n<tr data-start=\"4642\" data-end=\"4684\">\n<td data-start=\"4642\" data-end=\"4665\" data-col-size=\"sm\">Conductivit\u00e9 thermique<\/td>\n<td data-col-size=\"sm\" data-start=\"4665\" data-end=\"4676\">Mod\u00e9r\u00e9<\/td>\n<td data-col-size=\"sm\" data-start=\"4676\" data-end=\"4684\">Haut<\/td>\n<\/tr>\n<tr data-start=\"4685\" data-end=\"4731\">\n<td data-start=\"4685\" data-end=\"4708\" data-col-size=\"sm\">Capacit\u00e9 de fr\u00e9quence<\/td>\n<td data-col-size=\"sm\" data-start=\"4708\" data-end=\"4718\">Limit\u00e9e<\/td>\n<td data-col-size=\"sm\" data-start=\"4718\" data-end=\"4731\">Excellent<\/td>\n<\/tr>\n<tr data-start=\"4732\" data-end=\"4792\">\n<td data-start=\"4732\" data-end=\"4752\" data-col-size=\"sm\">Focus sur l'application<\/td>\n<td data-col-size=\"sm\" data-start=\"4752\" data-end=\"4767\">Logique et IC<\/td>\n<td data-col-size=\"sm\" data-start=\"4767\" data-end=\"4792\">RF et haute fr\u00e9quence<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"4794\" data-end=\"4938\">Le silicium reste dominant dans l'\u00e9lectronique conventionnelle, tandis que le carbure de silicium est de plus en plus utilis\u00e9 dans les syst\u00e8mes \u00e0 haute fr\u00e9quence et \u00e0 haute performance.<\/p>\n<h2 data-section-id=\"1hryhf7\" data-start=\"4945\" data-end=\"4951\">FAQ<\/h2>\n<p data-start=\"4953\" data-end=\"5169\">Q : Qu'est-ce qu'une plaquette de carbure de silicium HPSI ?<br data-start=\"4994\" data-end=\"4997\" \/>Une plaquette HPSI est un substrat de carbure de silicium semi-isolant de haute puret\u00e9 avec une r\u00e9sistivit\u00e9 \u00e9lectrique tr\u00e8s \u00e9lev\u00e9e, con\u00e7u pour les applications RF, micro-ondes et opto\u00e9lectroniques.<\/p>\n<p data-start=\"5171\" data-end=\"5374\">Q : Pourquoi une r\u00e9sistivit\u00e9 \u00e9lev\u00e9e est-elle importante ?<br data-start=\"5208\" data-end=\"5211\" \/>Une r\u00e9sistivit\u00e9 \u00e9lev\u00e9e r\u00e9duit la conduction parasite et l'interf\u00e9rence des signaux, ce qui est essentiel pour maintenir l'efficacit\u00e9 et l'int\u00e9grit\u00e9 des signaux dans les dispositifs \u00e0 haute fr\u00e9quence.<\/p>\n<p data-start=\"5376\" data-end=\"5596\">Q : Le carbure de silicium est-il adapt\u00e9 aux applications optiques ?<br data-start=\"5432\" data-end=\"5435\" \/>Oui, le carbure de silicium peut \u00eatre utilis\u00e9 dans certaines applications optiques et photoniques en raison de sa stabilit\u00e9 thermique et de sa compatibilit\u00e9 avec les processus de fabrication avanc\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"<p>La plaquette de carbure de silicium HPSI de 4 pouces est un mat\u00e9riau essentiel pour les syst\u00e8mes \u00e9lectroniques \u00e0 haute fr\u00e9quence et de nouvelle g\u00e9n\u00e9ration. Sa r\u00e9sistivit\u00e9 \u00e9lev\u00e9e, ses performances thermiques et sa stabilit\u00e9 structurelle en font un choix id\u00e9al pour les dispositifs RF, les infrastructures de communication et les technologies optiques \u00e9mergentes. La demande de syst\u00e8mes \u00e0 haute efficacit\u00e9 et \u00e0 haute fr\u00e9quence ne cessant de cro\u00eetre, les substrats SiC HPSI deviennent de plus en plus importants dans les applications de semi-conducteurs 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