{"id":2246,"date":"2025-04-26T17:32:43","date_gmt":"2025-04-26T09:02:43","guid":{"rendered":"http:\/\/topfastpcbb.ru\/?post_type=product&#038;p=2246"},"modified":"2025-05-06T16:06:54","modified_gmt":"2025-05-06T07:36:54","slug":"high-tg-rigid-pcb","status":"publish","type":"product","link":"https:\/\/www.topfastpcb.com\/fr\/products\/high-tg-rigid-pcb\/","title":{"rendered":"PCB rigide \u00e0 TG \u00e9lev\u00e9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/fr\/products\/high-tg-rigid-pcb\/#High_TG_Rigid_PCB_Advantages\" >Avantages des circuits imprim\u00e9s rigides \u00e0 TG \u00e9lev\u00e9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/fr\/products\/high-tg-rigid-pcb\/#Core_Performance_Advantages\" >Avantages des performances de base<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fr\/products\/high-tg-rigid-pcb\/#High_TG_Rigid_PCB_Core_parameters\" >Param\u00e8tres des noyaux rigides de PCB \u00e0 TG \u00e9lev\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fr\/products\/high-tg-rigid-pcb\/#Why_Choose_US\" >Pourquoi choisir les \u00c9tats-Unis ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fr\/products\/high-tg-rigid-pcb\/#Application_of_PCB\" >Application du PCB<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Une Tg (temp\u00e9rature de transition vitreuse) \u00e9lev\u00e9e est un indicateur cl\u00e9 de la r\u00e9sistance \u00e0 la chaleur des substrats de circuits imprim\u00e9s. Lorsque la temp\u00e9rature de fonctionnement d\u00e9passe la valeur Tg, le mat\u00e9riau passe d'un \u00e9tat rigide \"vitreux\" \u00e0 un \u00e9tat \u00e9lastique \"caoutchouteux\", ce qui entra\u00eene les probl\u00e8mes suivants :<br \/>\nDiminution de la stabilit\u00e9 dimensionnelle (taux de variation de l'ECT multipli\u00e9 par 3 \u00e0 5)<br \/>\nR\u00e9duction de la r\u00e9sistance m\u00e9canique de plus de 60<br \/>\nD\u00e9t\u00e9rioration des propri\u00e9t\u00e9s di\u00e9lectriques (fluctuations Dk\/Df \u2265 20%)<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_TG_Rigid_PCB_Advantages\"><\/span>TG \u00e9lev\u00e9 <a href=\"https:\/\/www.topfastpcb.com\/fr\/products\/category\/rigid-pcb\/\">PCB rigide<\/a> Avantages<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>R\u00e9sistance \u00e0 la chaleur : Les circuits imprim\u00e9s \u00e0 TG \u00e9lev\u00e9 peuvent conserver leur rigidit\u00e9 \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es sans se ramollir ni se d\u00e9former. Sa temp\u00e9rature de transition vitreuse (Tg) est g\u00e9n\u00e9ralement sup\u00e9rieure \u00e0 170 \u00b0C, ce qui signifie que les circuits imprim\u00e9s \u00e0 TG \u00e9lev\u00e9 conservent de bonnes performances et une bonne stabilit\u00e9 dans les environnements \u00e0 haute temp\u00e9rature.<br \/>\nR\u00e9sistance \u00e0 l'humidit\u00e9 et aux produits chimiques :Les PCB High TG pr\u00e9sentent une excellente r\u00e9sistance \u00e0 l'humidit\u00e9 et aux produits chimiques et peuvent maintenir des performances stables dans des environnements difficiles, ce qui les rend adapt\u00e9s aux \u00e9quipements qui doivent \u00eatre expos\u00e9s \u00e0 long terme \u00e0 des environnements humides ou chimiques.<br \/>\nPropri\u00e9t\u00e9s m\u00e9caniques :Les circuits imprim\u00e9s \u00e0 haute r\u00e9sistance m\u00e9canique ont une r\u00e9sistance et une rigidit\u00e9 \u00e9lev\u00e9es, et peuvent supporter des contraintes m\u00e9caniques importantes et maintenir des performances stables m\u00eame dans des conditions environnementales difficiles. Cela leur conf\u00e8re un large \u00e9ventail d'applications dans les domaines militaire et a\u00e9rospatial, ainsi que dans d'autres domaines exigeants.<br \/>\nPerformance \u00e9lectrique :Les PCB High TG ont une constante di\u00e9lectrique et un angle de perte tangent faibles, ce qui permet d'am\u00e9liorer la qualit\u00e9 de la transmission des signaux et la compatibilit\u00e9 \u00e9lectromagn\u00e9tique, et convient particuli\u00e8rement aux applications de transmission de signaux \u00e0 haute fr\u00e9quence et \u00e0 grande vitesse.<br \/>\nRentabilit\u00e9 :Le co\u00fbt relativement faible des PCB High TG par rapport \u00e0 d'autres mat\u00e9riaux pour circuits imprim\u00e9s haut de gamme les rend particuli\u00e8rement adapt\u00e9s aux fabricants qui doivent r\u00e9duire leurs co\u00fbts dans les applications \u00e0 haute stabilit\u00e9 thermique.<br \/>\nFacilit\u00e9 de mise en \u0153uvre :Les fibres de verre et les r\u00e9sines \u00e9poxy aromatiques s\u00e9lectionn\u00e9es pour les mat\u00e9riaux des circuits imprim\u00e9s \u00e0 haut coefficient de friction leur conf\u00e8rent une bonne aptitude au traitement et une bonne fiabilit\u00e9, et elles sont moins susceptibles de se d\u00e9laminer et de se tasser pendant le traitement, ce qui rend le processus de fabrication plus fluide.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7.jpg\" alt=\"\" width=\"750\" height=\"750\" class=\"aligncenter wp-image-2247 size-full\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7.jpg 750w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-300x300.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-150x150.jpg 150w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-600x600.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-100x100.jpg 100w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Core_Performance_Advantages\"><\/span>Avantages des performances de base<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Les mat\u00e9riaux \u00e0 haute Tg (Tg\u2265170\u00b0C) pr\u00e9sentent des am\u00e9liorations significatives par rapport au FR-4 standard (Tg140\u00b0C) :<\/p>\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule d&#039;en-t\u00eate\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Mesure de la performance<\/div>\n<\/th>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule d&#039;en-t\u00eate\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Standard FR-4<\/div>\n<\/th>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule d&#039;en-t\u00eate\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Mat\u00e9riau \u00e0 haute teneur en Tg<\/div>\n<\/th>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule d&#039;en-t\u00eate\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Am\u00e9lioration<\/div>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Temp. de d\u00e9composition thermique<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">320\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">380\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">+18%<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">R\u00e9sistance \u00e0 l'humidit\u00e9<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">85\u00b0C\/85%HR<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">105\u00b0C\/85%HR<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">+23%<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Axe Z CTE<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">300 ppm\/\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">180 ppm\/\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">-40%<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">R\u00e9sistance \u00e0 la migration ionique<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">10\u2078 \u03a9<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">10\u00b9\u2070 \u03a9<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Texte de la cellule du corps\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">100x<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Caract\u00e9ristiques principales :<br \/>\n- Stabilit\u00e9 thermique sup\u00e9rieure de 18<br \/>\n- R\u00e9sistance \u00e0 l'humidit\u00e9 am\u00e9lior\u00e9e de 23<br \/>\n- R\u00e9duction de 40 % de la dilatation de l'axe Z<br \/>\n- R\u00e9sistance ionique multipli\u00e9e par 100<\/p>\n<p>Note : Toutes les donn\u00e9es de test sont bas\u00e9es sur la m\u00e9thode IPC-TM-650. Recommand\u00e9 pour les processus sans plomb n\u00e9cessitant des temp\u00e9ratures de refusion \u2265260\u00b0C.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_TG_Rigid_PCB_Core_parameters\"><\/span>Param\u00e8tres des noyaux rigides de PCB \u00e0 TG \u00e9lev\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table data-sort=\"sortDisabled\">\n<tbody>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Objet<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">PCB rigide<\/td>\n<\/tr>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Couche maximale<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">60L<\/td>\n<\/tr>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Couche int\u00e9rieure Trace\/espace minimal<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">3\/3mil<\/td>\n<\/tr>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Couche ext\u00e9rieure Trace\/espace minimal<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">3\/3mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Couche int\u00e9rieure Cuivre max.<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">6oz<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Couche ext\u00e9rieure Cuivre max.<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">6oz<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Forage m\u00e9canique Min<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0,15 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Min Laser Drilling<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0,1 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Rapport d'aspect (per\u00e7age m\u00e9canique)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">20:1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Rapport d'aspect (per\u00e7age laser)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">1:1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance du trou d'ajustement \u00e0 la presse<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,05 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance \u00e0 la PTH<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,075 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance NPTH<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,05 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance de la fraise<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,15 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>\u00c9paisseur du panneau<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0,4-8 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance sur l'\u00e9paisseur de la carte (\uff1c1.0mm)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,1 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance sur l'\u00e9paisseur du panneau (\u22651.0mm)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b110%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"2\"><strong>Tol\u00e9rance d'imp\u00e9dance<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Simplex\uff1a\u00b15\u03a9(\u226450\u03a9)\uff0c\u00b17%(\uff1e50\u03a9)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Diff\u00e9rentiel\uff1a\u00b15\u03a9(\u226450\u03a9)\uff0c\u00b17%(\uff1e50\u03a9)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Taille minimale du tableau<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">10*10mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Taille maximale de la carte<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">22.5*30inch<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tol\u00e9rance de contour<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,1 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Min BGA<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">7 millions<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Min SMT<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">7*10mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Traitement de surface<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Placage or dur<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Masque de soudure<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Vert, noir, bleu, rouge, vert mat<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>D\u00e9gagement minimal du masque de soudure<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">1,5 million<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Barrage min. du masque de soudure<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">3 millions<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>L\u00e9gende<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Blanc, noir, rouge, jaune<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Largeur\/hauteur minimale de la l\u00e9gende<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">4\/23mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Largeur du filet de d\u00e9formation<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\/<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Noeud et torsade<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0.3%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Why_Choose_US\"><\/span>Pourquoi choisir les \u00c9tats-Unis ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.topfastpcb.com\/fr\/\">Topfast<\/a> est un fabricant qui se concentre sur la fabrication de cartes de circuits imprim\u00e9s et de circuits imprim\u00e9s depuis plus de 20 ans.Nous disposons d'une excellente \u00e9quipe de recherche et d\u00e9veloppement de 28 personnes. Nous pouvons vous aider avec un service \u00e0 guichet unique. Nous pouvons vous aider dans l'ensemble du processus, depuis la recherche et le d\u00e9veloppement des fonctions, la discussion sur la conception des PCB, la fabrication des PCB, l'approvisionnement en composants, jusqu'\u00e0 l'assemblage des PCB.<\/p>\n<p>Notre soci\u00e9t\u00e9 fournit des solutions industrielles en mati\u00e8re de circuits imprim\u00e9s aux clients dans le domaine des mod\u00e8les et des petits volumes.Gr\u00e2ce \u00e0 des produits de haute qualit\u00e9 et livr\u00e9s dans les d\u00e9lais, nous avons gagn\u00e9 les faveurs du march\u00e9.Nous continuerons \u00e0 mettre l'accent sur la satisfaction du client, ainsi que sur la \"haute qualit\u00e9\" et la \"livraison rapide\", et la soci\u00e9t\u00e9 deviendra un fournisseur de services de circuits \u00e9lectroniques digne de la confiance du client.Notre usine produit principalement des circuits imprim\u00e9s ordinaires double face, des circuits imprim\u00e9s multicouches, des circuits imprim\u00e9s HDI, des circuits imprim\u00e9s \u00e0 base de m\u00e9tal et des circuits imprim\u00e9s en c\u00e9ramique, des circuits imprim\u00e9s pour semi-conducteurs, des circuits imprim\u00e9s rigides-flexibles et des circuits imprim\u00e9s flexibles.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688.png\" alt=\"\" width=\"750\" height=\"802\" class=\"aligncenter wp-image-2060 size-full\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688.png 750w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688-281x300.png 281w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688-600x642.png 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Application_of_PCB\"><\/span>Application du PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les circuits imprim\u00e9s \u00e0 haute teneur en carbone sont utilis\u00e9s dans une vari\u00e9t\u00e9 d'applications \u00e0 haute temp\u00e9rature, \u00e0 haute puissance et \u00e0 haute fr\u00e9quence, telles que les trains \u00e0 grande vitesse, l'a\u00e9rospatiale, les maisons intelligentes et les appareils m\u00e9dicaux.Dans ces environnements, les circuits imprim\u00e9s \u00e0 haute r\u00e9sistance thermique peuvent garantir la stabilit\u00e9 et la fiabilit\u00e9 des circuits imprim\u00e9s, r\u00e9duire le taux de d\u00e9faillance des circuits et am\u00e9liorer l'efficacit\u00e9 de l'\u00e9quipement \u00e9lectronique.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une Tg (temp\u00e9rature de transition du verre) \u00e9lev\u00e9e est un indicateur cl\u00e9 de la r\u00e9sistance \u00e0 la chaleur des substrats pour circuits imprim\u00e9s. Lorsque la temp\u00e9rature de fonctionnement d\u00e9passe la valeur Tg<\/p>","protected":false},"featured_media":2248,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[113],"product_tag":[205,121],"class_list":{"0":"post-2246","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rigid-pcb","7":"product_tag-pcb","8":"product_tag-rigid-pcb","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High TG Rigid PCB - Topfastpcb<\/title>\n<meta name=\"description\" content=\"High Tg (Glass Transition Temperature) is a key indicator of the heat resistance of PCB substrates. 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