{"id":3152,"date":"2026-04-07T02:24:30","date_gmt":"2026-04-07T02:24:30","guid":{"rendered":"https:\/\/www.sapphiretube.com\/?post_type=product&#038;p=3152"},"modified":"2026-04-10T06:29:59","modified_gmt":"2026-04-10T06:29:59","slug":"3152","status":"publish","type":"product","link":"https:\/\/www.sapphiretube.com\/fr\/product\/3152\/","title":{"rendered":"Sapphire Wafer Blank Substrat de saphir brut de haute puret\u00e9 pour traitement"},"content":{"rendered":"<h3 data-end=\"182\" data-start=\"160\"><strong>Aper\u00e7u du produit<\/strong><\/h3>\n<p data-end=\"541\" data-start=\"183\">Les plaquettes de saphir sont des substrats circulaires bruts d\u00e9coup\u00e9s directement dans des boules de saphir monocristallin de haute puret\u00e9. Ils sont tranch\u00e9s dans des diam\u00e8tres de plaquettes standard tels que 2\u201d, 3\u201d, 4\u201d, 6\u201d et 8\u201d, mais n'ont pas subi de rodage, de meulage ou de polissage m\u00e9cano-chimique (CMP). La surface reste dans son \u00e9tat d'origine, avec des marques de tranchage visibles.<\/p>\n<p data-end=\"1028\" data-start=\"543\">Ces \u00e9bauches servent de mat\u00e9riau de d\u00e9part pour un large \u00e9ventail d'industries. Elles sont essentielles pour les fabricants et les laboratoires de recherche qui souhaitent effectuer leurs propres \u00e9tapes de finition, notamment le rodage, l'amincissement, la correction de l'orientation et le polissage. Le saphir est r\u00e9put\u00e9 pour sa duret\u00e9 exceptionnelle, sa stabilit\u00e9 thermique et sa r\u00e9sistance chimique, ce qui fait des plaquettes de saphir un mat\u00e9riau essentiel pour la production de LED, de semi-conducteurs, de composants optiques et d'applications industrielles.<\/p>\n<p style=\"text-align: center;\" data-end=\"1028\" data-start=\"543\">\u00a0 \u00a0 <img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-3157\" src=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-300x300.jpg 300w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-1024x1024.jpg 1024w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-150x150.jpg 150w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-768x768.jpg 768w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-1536x1536.jpg 1536w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-2048x2048.jpg 2048w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-600x600.jpg 600w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers27-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" class=\"alignnone size-medium wp-image-3153\" src=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-300x300.jpg 300w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-1024x1024.jpg 1024w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-150x150.jpg 150w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-768x768.jpg 768w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-1536x1536.jpg 1536w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-2048x2048.jpg 2048w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-600x600.jpg 600w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers1-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<hr data-end=\"1033\" data-start=\"1030\" \/>\n<h3 data-end=\"1053\" data-start=\"1035\"><\/h3>\n<h1 data-end=\"1053\" data-start=\"1035\"><strong>Caract\u00e9ristiques principales<img decoding=\"async\" class=\"size-medium wp-image-3158 alignright\" src=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-300x300.jpg 300w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-1024x1024.jpg 1024w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-150x150.jpg 150w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-768x768.jpg 768w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-1536x1536.jpg 1536w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-2048x2048.jpg 2048w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-600x600.jpg 600w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers30-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/strong><\/h1>\n<ul data-end=\"1635\" data-start=\"1054\">\n<li data-end=\"1156\" data-start=\"1054\">\n<p data-end=\"1156\" data-start=\"1056\">Des diam\u00e8tres standard de plaquettes de saphir sont disponibles et conviennent \u00e0 un traitement direct sans fa\u00e7onnage suppl\u00e9mentaire.<\/p>\n<\/li>\n<li data-end=\"1278\" data-start=\"1157\">\n<p data-end=\"1278\" data-start=\"1159\">Fabriqu\u00e9 \u00e0 partir d'Al\u2082O\u2083 en phase alpha avec un niveau de puret\u00e9 de 99,99 % ou plus, ce qui garantit une qualit\u00e9 cristalline uniforme.<\/p>\n<\/li>\n<li data-end=\"1384\" data-start=\"1279\">\n<p data-end=\"1384\" data-start=\"1281\">La surface brute, telle qu'elle a \u00e9t\u00e9 coup\u00e9e, conserve les marques de sciage au fil, ce qui permet aux clients d'appliquer leurs propres m\u00e9thodes de finition.<\/p>\n<\/li>\n<li data-end=\"1457\" data-start=\"1385\">\n<p data-end=\"1457\" data-start=\"1387\">Une duret\u00e9 et une r\u00e9sistance aux rayures exceptionnelles, qui n'ont rien \u00e0 envier au diamant.<\/p>\n<\/li>\n<li data-end=\"1542\" data-start=\"1458\">\n<p data-end=\"1542\" data-start=\"1460\">Stabilit\u00e9 thermique et chimique exceptionnelle, adapt\u00e9e aux environnements exigeants.<\/p>\n<\/li>\n<li data-end=\"1635\" data-start=\"1543\">\n<p data-end=\"1635\" data-start=\"1545\">Orientations multiples des plaques de saphir disponibles, y compris plan C, plan A, plan R et plan M.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr data-end=\"1640\" data-start=\"1637\" \/>\n<h3 data-end=\"1660\" data-start=\"1642\"><\/h3>\n<h1 data-end=\"1660\" data-start=\"1642\"><strong>Applications<\/strong><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3155 alignright\" src=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-300x300.jpg 300w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-1024x1024.jpg 1024w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-150x150.jpg 150w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-768x768.jpg 768w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-1536x1536.jpg 1536w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-2048x2048.jpg 2048w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-600x600.jpg 600w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers5-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<div>\n<p data-end=\"1958\" data-start=\"1662\"><strong data-end=\"1701\" data-start=\"1662\">Fabrication de LED et de semi-conducteurs<\/strong><\/p>\n<p data-end=\"1958\" data-start=\"1662\">Les plaquettes de saphir sont largement utilis\u00e9es comme mat\u00e9riau de base pour les substrats LED, les plaquettes RFIC et d'autres composants semi-conducteurs. Les fabricants traitent les \u00e9bauches par rodage et polissage afin de produire des plaquettes finies de haute qualit\u00e9 pour la croissance \u00e9pitaxiale.<\/p>\n<p data-end=\"2119\" data-start=\"1960\"><strong data-end=\"1992\" data-start=\"1960\">Composants optiques et laser<\/strong><\/p>\n<p data-end=\"2119\" data-start=\"1960\">Une fois termin\u00e9es, les plaquettes de saphir peuvent \u00eatre transform\u00e9es en fen\u00eatres optiques, en optiques laser, en hublots infrarouges et en lentilles de pr\u00e9cision.<\/p>\n<p data-end=\"2297\" data-start=\"2121\"><strong data-end=\"2149\" data-start=\"2121\">Recherche et d\u00e9veloppement<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3156 alignright\" src=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-300x300.jpg 300w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-1024x1024.jpg 1024w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-150x150.jpg 150w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-768x768.jpg 768w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-1536x1536.jpg 1536w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-2048x2048.jpg 2048w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-600x600.jpg 600w, https:\/\/www.sapphiretube.com\/wp-content\/uploads\/2026\/04\/Sapphire-Wafers22-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<div><\/div>\n<p data-end=\"2297\" data-start=\"2121\">Les universit\u00e9s et les laboratoires utilisent des plaquettes \u00e0 blanc pour tester les boues CMP, \u00e9tudier les m\u00e9thodes de traitement du saphir et d\u00e9velopper des techniques de finition des plaquettes.<\/p>\n<p data-end=\"2500\" data-start=\"2299\"><strong data-end=\"2337\" data-start=\"2299\">Exp\u00e9riences de rev\u00eatement et de d\u00e9p\u00f4t<\/strong><\/p>\n<p data-end=\"2500\" data-start=\"2299\">Les plaquettes de saphir constituent une base id\u00e9ale pour les essais de rev\u00eatement en couches minces tels que l'ALD, le PVD et le CVD, en particulier lorsqu'une surface ultra-lisse n'est pas encore requise.<\/p>\n<p data-end=\"2680\" data-start=\"2502\"><strong data-end=\"2536\" data-start=\"2502\">Pi\u00e8ces pour l'industrie et l'a\u00e9rospatiale<\/strong><\/p>\n<p data-end=\"2680\" data-start=\"2502\">Avec un usinage et un polissage suppl\u00e9mentaires, les plaquettes de saphir peuvent \u00eatre transform\u00e9es en entretoises r\u00e9sistantes \u00e0 la chaleur, en couvercles de capteurs et en fixations de fours.<\/p>\n<hr data-end=\"2685\" data-start=\"2682\" \/>\n<h3 data-end=\"2703\" data-start=\"2687\"><\/h3>\n<h1 data-end=\"2703\" data-start=\"2687\"><strong>Avantages<\/strong><\/h1>\n<ul data-end=\"3057\" data-start=\"2704\">\n<li data-end=\"2788\" data-start=\"2704\">\n<p data-end=\"2788\" data-start=\"2706\">Mat\u00e9riau de d\u00e9part rentable, moins cher que les plaquettes rod\u00e9es ou polies.<\/p>\n<\/li>\n<li data-end=\"2873\" data-start=\"2789\">\n<p data-end=\"2873\" data-start=\"2791\">Permet aux fabricants de contr\u00f4ler totalement la finition, l'\u00e9paisseur et la qualit\u00e9 de la surface.<\/p>\n<\/li>\n<li data-end=\"2952\" data-start=\"2874\">\n<p data-end=\"2952\" data-start=\"2876\">Pr\u00e9serve l'\u00e9tat brut naturel du saphir \u00e0 des fins de recherche et d'analyse.<\/p>\n<\/li>\n<li data-end=\"3057\" data-start=\"2953\">\n<p data-end=\"3057\" data-start=\"2955\">Conserve la r\u00e9sistance m\u00e9canique et la durabilit\u00e9 exceptionnelles du saphir, m\u00eame sous sa forme brute.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr data-end=\"3062\" data-start=\"3059\" \/>\n<h3 data-end=\"3094\" data-start=\"3064\"><\/h3>\n<h1 data-end=\"3094\" data-start=\"3064\"><strong>Sp\u00e9cifications techniques<\/strong><\/h1>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\" data-end=\"3647\" data-start=\"3096\">\n<thead data-end=\"3126\" data-start=\"3096\">\n<tr data-end=\"3126\" data-start=\"3096\">\n<th data-col-size=\"sm\" data-end=\"3115\" data-start=\"3096\">Param\u00e8tres<\/th>\n<th data-col-size=\"md\" data-end=\"3126\" data-start=\"3115\">D\u00e9tails<\/th>\n<\/tr>\n<\/thead>\n<tbody data-end=\"3647\" data-start=\"3158\">\n<tr data-end=\"3225\" data-start=\"3158\">\n<td data-col-size=\"sm\" data-end=\"3177\" data-start=\"3158\">Mat\u00e9riau<\/td>\n<td data-col-size=\"md\" data-end=\"3225\" data-start=\"3177\">Saphir monocristallin (Al\u2082O\u2083)<\/td>\n<\/tr>\n<tr data-end=\"3257\" data-start=\"3226\">\n<td data-col-size=\"sm\" data-end=\"3245\" data-start=\"3226\">La puret\u00e9<\/td>\n<td data-col-size=\"md\" data-end=\"3257\" data-start=\"3245\">\u2265 99.99%<\/td>\n<\/tr>\n<tr data-end=\"3301\" data-start=\"3258\">\n<td data-col-size=\"sm\" data-end=\"3277\" data-start=\"3258\">Forme<\/td>\n<td data-col-size=\"md\" data-end=\"3301\" data-start=\"3277\">Plaquette circulaire<\/td>\n<\/tr>\n<tr data-end=\"3368\" data-start=\"3302\">\n<td data-col-size=\"sm\" data-end=\"3321\" data-start=\"3302\">Diam\u00e8tre<\/td>\n<td data-col-size=\"md\" data-end=\"3368\" data-start=\"3321\">2\u201d, 3\u201d, 4\u201d, 6\u201d, 8\u201d (tailles personnalis\u00e9es disponibles)<\/td>\n<\/tr>\n<tr data-end=\"3440\" data-start=\"3369\">\n<td data-col-size=\"sm\" data-end=\"3388\" data-start=\"3369\">\u00c9paisseur<\/td>\n<td data-col-size=\"md\" data-end=\"3440\" data-start=\"3388\">0,5-3,0 mm standard, \u00e9paisseur personnalis\u00e9e sur demande<\/td>\n<\/tr>\n<tr data-end=\"3505\" data-start=\"3441\">\n<td data-col-size=\"sm\" data-end=\"3460\" data-start=\"3441\">Orientation<\/td>\n<td data-col-size=\"md\" data-end=\"3505\" data-start=\"3460\">Plan C (0001), plan A, plan R, plan M<\/td>\n<\/tr>\n<tr data-end=\"3571\" data-start=\"3506\">\n<td data-col-size=\"sm\" data-end=\"3525\" data-start=\"3506\">Finition de la surface<\/td>\n<td data-col-size=\"md\" data-end=\"3571\" data-start=\"3525\">Tel que coup\u00e9, sci\u00e9 au fil, sans rodage ni polissage<\/td>\n<\/tr>\n<tr data-end=\"3647\" data-start=\"3572\">\n<td data-col-size=\"sm\" data-end=\"3591\" data-start=\"3572\">Finition des bords<\/td>\n<td data-col-size=\"md\" data-end=\"3647\" data-start=\"3591\">Bord brut par d\u00e9faut, chanfreinage disponible en option<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>\n<h1 data-end=\"3663\" data-start=\"3654\"><strong>FAQ<\/strong><\/h1>\n<p data-end=\"3886\" data-start=\"3665\"><strong data-end=\"3738\" data-start=\"3665\">Q1 : Quelle est la diff\u00e9rence entre une plaquette de saphir vierge et une plaquette non polie ?<\/strong><br data-end=\"3741\" data-start=\"3738\" \/>Une plaquette de saphir est une tranche brute coup\u00e9e \u00e0 la taille de la plaquette sans rodage ni meulage. Une plaquette non polie a \u00e9t\u00e9 rod\u00e9e \u00e0 plat mais non polie.<\/p>\n<p data-end=\"4103\" data-start=\"3888\"><strong data-end=\"3961\" data-start=\"3888\">Q2 : Pourquoi les fabricants ach\u00e8tent-ils\u00a0<\/strong><strong>Plaque de saphir<\/strong><strong data-end=\"3961\" data-start=\"3888\">\u00a0au lieu de gaufrettes finies ?<\/strong><br data-end=\"3964\" data-start=\"3961\" \/>Les plaquettes sont plus \u00e9conomiques et permettent un contr\u00f4le total du processus de finition, garantissant que la plaquette finale r\u00e9pond aux normes internes.<\/p>\n<p data-end=\"4263\" data-start=\"4105\"><strong data-end=\"4153\" data-start=\"4105\">Q3 : Les plaquettes de saphir peuvent-elles \u00eatre personnalis\u00e9es ?<\/strong><br data-end=\"4156\" data-start=\"4153\" \/>Oui, des diam\u00e8tres, des \u00e9paisseurs et des orientations de cristaux sur mesure sont disponibles, avec une pr\u00e9paration des bords en option.<\/p>\n<p data-end=\"4438\" data-start=\"4265\"><strong data-end=\"4331\" data-start=\"4265\">Q4 : Peut-on les utiliser directement pour des applications LED ou optiques ?<\/strong><br data-end=\"4334\" data-start=\"4331\" \/>Non, ils doivent \u00eatre rod\u00e9s et polis avant de pouvoir servir de substrats pour LED ou de mat\u00e9riaux de qualit\u00e9 optique.<\/p>\n<p data-end=\"4649\" data-start=\"4440\"><strong data-end=\"4490\" data-start=\"4440\">Q5 : Quelles sont les industries qui utilisent les plaquettes de saphir ?<\/strong><br data-end=\"4493\" data-start=\"4490\" \/>Les principaux utilisateurs sont les fabricants de LED et de semi-conducteurs, les producteurs de composants optiques, les entrepreneurs de l'a\u00e9rospatiale, les instituts de recherche et les laboratoires de rev\u00eatement.<\/p>\n<div><\/div>\n<div><\/div>\n<div>\n<h1 data-end=\"2212\" data-start=\"1560\"><strong>\u00c0 propos de nous<\/strong><\/h1>\n<p data-end=\"2212\" data-start=\"1560\">ZMSH est sp\u00e9cialis\u00e9e dans le d\u00e9veloppement, la production et la vente de verre optique sp\u00e9cial et de nouveaux mat\u00e9riaux cristallins. Nos produits sont destin\u00e9s \u00e0 l'\u00e9lectronique optique, \u00e0 l'\u00e9lectronique grand public et \u00e0 l'arm\u00e9e. Nous proposons des composants optiques en saphir, des couvertures de lentilles pour t\u00e9l\u00e9phones portables, des c\u00e9ramiques, des LT, du carbure de silicium SIC, du quartz et des plaquettes de cristaux semi-conducteurs. Gr\u00e2ce \u00e0 une expertise qualifi\u00e9e et \u00e0 un \u00e9quipement de pointe, nous excellons dans le traitement des produits non standard et visons \u00e0 devenir une entreprise de haute technologie leader dans le domaine des mat\u00e9riaux opto\u00e9lectroniques.<\/p>\n<p data-end=\"2212\" data-start=\"1560\"><img decoding=\"async\" src=\"https:\/\/www.maoyt.com\/photo\/sapphire-substrate\/editor\/20250729145251_85797.jpg\" alt=\"\" data-cke-saved-src=\"\/photo\/sapphire-substrate\/editor\/20250729145251_85797.jpg\" \/><\/p>\n<\/div>\n<\/div>\n<div><\/div>","protected":false},"excerpt":{"rendered":"<p>Les plaquettes de saphir sont des substrats circulaires bruts d\u00e9coup\u00e9s directement dans des boules de saphir monocristallin de haute puret\u00e9. Ils sont tranch\u00e9s dans des diam\u00e8tres de plaquettes standard tels que 2\u201d, 3\u201d, 4\u201d, 6\u201d et 8\u201d, mais n'ont pas subi de rodage, de meulage ou de polissage m\u00e9cano-chimique (CMP). 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