{"id":5845,"date":"2026-04-22T15:30:42","date_gmt":"2026-04-22T07:30:42","guid":{"rendered":"https:\/\/txjpcba.com\/?page_id=5845"},"modified":"2026-04-22T15:42:10","modified_gmt":"2026-04-22T07:42:10","slug":"carte-a-haute-frequence-2","status":"publish","type":"page","link":"https:\/\/txjpcba.com\/fr\/carte-a-haute-frequence-2\/","title":{"rendered":"Fabrication de circuits imprim\u00e9s \u00e0 haute fr\u00e9quence - S\u00e9lection des mat\u00e9riaux et contr\u00f4le de l'imp\u00e9dance"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"5845\" class=\"elementor elementor-5845\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-583521f9 e-flex e-con-boxed e-con e-parent\" data-id=\"583521f9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a5b6f elementor-widget elementor-widget-text-editor\" data-id=\"5a5b6f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Carte de circuits imprim\u00e9s \u00e0 haute fr\u00e9quence<\/h2><p class=\"ds-markdown-paragraph\">Pour les applications modernes RF, micro-ondes et num\u00e9riques \u00e0 grande vitesse, les mat\u00e9riaux standard des circuits imprim\u00e9s sont souvent insuffisants.\u00a0<strong>Cartes de circuits imprim\u00e9s \u00e0 haute fr\u00e9quence<\/strong>\u00a0sont con\u00e7us pour maintenir l'int\u00e9grit\u00e9 du signal \u00e0 des taux de transmission plus \u00e9lev\u00e9s, fonctionnant g\u00e9n\u00e9ralement dans la gamme des\u00a0<strong>Gamme de 500 MHz \u00e0 2 GHz<\/strong> et au-del\u00e0.<\/p><p class=\"ds-markdown-paragraph\">Cependant, pour obtenir des performances constantes \u00e0 ces fr\u00e9quences, il faut plus qu'une simple fabrication standard. Il faut une s\u00e9lection pr\u00e9cise des mat\u00e9riaux, un contr\u00f4le strict de l'imp\u00e9dance et un partenaire de fabrication dot\u00e9 d'une grande expertise en mati\u00e8re de radiofr\u00e9quences.<\/p><p align=\"center\"><a href=\"\/fr\/obtenir-un-devis-pour-la-fabrication-de-circuits-imprimes\/\"><button style=\"background: black; color: white; padding: 10px 20px; border: none; cursor: pointer;\">Obtenir un devis pour la fabrication de PCB<\/button><\/a><\/p><h4>S\u00e9lection de mat\u00e9riaux critiques pour l'int\u00e9grit\u00e9 du signal<\/h4><p class=\"ds-markdown-paragraph\">Le c\u0153ur de toute carte haute fr\u00e9quence est son mat\u00e9riau di\u00e9lectrique. Contrairement aux cartes <a href=\"https:\/\/txjpcba.com\/fr\/fr4-pcb\/\">FR-4<\/a>, le\u00a0<strong>Constante di\u00e9lectrique (Dk ou Er)<\/strong>\u00a0de ces mat\u00e9riaux sp\u00e9cialis\u00e9s doit rester stable sur toute la fr\u00e9quence de fonctionnement. Toute variation a un impact direct sur l'imp\u00e9dance, entra\u00eenant une perte ou une r\u00e9flexion du signal.<\/p><figure id=\"attachment_3107\" aria-describedby=\"caption-attachment-3107\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-3107\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/02\/high-frequency-pcb.jpg\" alt=\"Carte de circuit imprim\u00e9 haute fr\u00e9quence\" width=\"500\" height=\"372\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/02\/high-frequency-pcb.jpg 500w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/02\/high-frequency-pcb-300x223.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/02\/high-frequency-pcb-16x12.jpg 16w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-3107\" class=\"wp-caption-text\">Carte de circuit imprim\u00e9 haute fr\u00e9quence<\/figcaption><\/figure><p class=\"ds-markdown-paragraph\">Les plus grands designers se tournent vers des mat\u00e9riaux \u00e9prouv\u00e9s tels que\u00a0<strong>Rogers<\/strong>\u00a0pour leurs performances \u00e9lectriques pr\u00e9visibles. Les mat\u00e9riaux les plus couramment sp\u00e9cifi\u00e9s sont les suivants<\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><div class=\"ds-scroll-area__gutters\"><div class=\"ds-scroll-area__horizontal-gutter\">\u00a0<\/div><div class=\"ds-scroll-area__vertical-gutter\">\u00a0<\/div><\/div><table><thead><tr><th>Mat\u00e9riau<\/th><th>Constante di\u00e9lectrique (Dk)<\/th><th>Avantage principal<\/th><\/tr><\/thead><tbody><tr><td><strong>RO4350B<\/strong><\/td><td>3,48 \u00b10,05 \u00e0 10 GHz<\/td><td>Rentable, id\u00e9al pour l'automobile et les micro-ondes<\/td><\/tr><tr><td><strong>RO4003C<\/strong><\/td><td>3,38 \u00b10,05 \u00e0 10 GHz<\/td><td>Faible perte, compatible avec le traitement FR-4<\/td><\/tr><tr><td><strong>RO3003<\/strong><\/td><td>3,00 \u00b10,04 \u00e0 10 GHz<\/td><td>Tr\u00e8s faible perte pour les applications \u00e0 ondes millim\u00e9triques<\/td><\/tr><tr><td><strong>RT5880<\/strong><\/td><td>2,20 \u00b10,02 \u00e0 10 GHz<\/td><td>Perte minimale, \u00e0 base de PTFE pour une performance maximale<\/td><\/tr><tr><td><strong>RO3010<\/strong><\/td><td>10,2 \u00b10,30 \u00e0 10 GHz<\/td><td>Dk \u00e9lev\u00e9 pour la r\u00e9duction de la taille du circuit<\/td><\/tr><\/tbody><\/table><\/div><h4>Contr\u00f4le pr\u00e9cis de l'imp\u00e9dance et tol\u00e9rances de fabrication<\/h4><p class=\"ds-markdown-paragraph\">La sp\u00e9cification du bon mat\u00e9riau ne repr\u00e9sente que la moiti\u00e9 du d\u00e9fi. L'obtention de l'imp\u00e9dance cible (g\u00e9n\u00e9ralement \u00b110%) n\u00e9cessite un contr\u00f4le rigoureux du processus :<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong>Largeur et espacement des conducteurs :<\/strong>\u00a0Maintenues \u00e0 des tol\u00e9rances de \u00b13mil\/3mil.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>\u00c9paisseur du substrat :<\/strong>\u00a0Contr\u00f4l\u00e9 sur l'ensemble du panneau.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Poids de cuivre :<\/strong>\u00a0Options de 0,5 oz \u00e0 2,0 oz finies.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Conception d'empilage :<\/strong>\u00a0Assistance d'un expert pour les structures RF multicouches.<\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\">Nos capacit\u00e9s en mati\u00e8re de circuits imprim\u00e9s \u00e0 haute fr\u00e9quence sont con\u00e7ues pour la r\u00e9p\u00e9tabilit\u00e9 :<\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><div class=\"ds-scroll-area__gutters\"><div class=\"ds-scroll-area__horizontal-gutter\">\u00a0<\/div><div class=\"ds-scroll-area__vertical-gutter\">\u00a0<\/div><\/div><table><thead><tr><th>Fonctionnalit\u00e9<\/th><th>Capacit\u00e9<\/th><\/tr><\/thead><tbody><tr><td><strong>Niveau de qualit\u00e9<\/strong><\/td><td>IPC Classe 2 (Classe 3 disponible sur demande)<\/td><\/tr><tr><td><strong>Couches<\/strong><\/td><td>2 - 24 couches<\/td><\/tr><tr><td><strong>Quantit\u00e9 command\u00e9e<\/strong><\/td><td>De 1 pi\u00e8ce prototype \u00e0 plus de 10 000 unit\u00e9s de production<\/td><\/tr><tr><td><strong>D\u00e9lai d'ex\u00e9cution<\/strong><\/td><td>2 jours pour les prototypes \u00e0 rotation rapide et 5 semaines pour les constructions complexes<\/td><\/tr><tr><td><strong>Taille du conseil d'administration<\/strong><\/td><td>Min 6mm x 6mm \u00e0 Max 457mm x 610mm<\/td><\/tr><tr><td><strong>\u00c9paisseur<\/strong><\/td><td>0,4 mm - 5,0 mm<\/td><\/tr><tr><td><strong>Trace minimale\/espacement<\/strong><\/td><td>3mil \/ 3mil<\/td><\/tr><tr><td><strong>Tol\u00e9rance d'imp\u00e9dance<\/strong><\/td><td>\u00b110% (plus serr\u00e9 disponible)<\/td><\/tr><tr><td><strong>Finitions de surface<\/strong><\/td><td>ENIG, argent d'immersion, \u00e9tain d'immersion, OSP (tous RoHS)<\/td><\/tr><\/tbody><\/table><\/div><h4>Au-del\u00e0 de la fabrication : Une approche d'ing\u00e9nierie consultative<\/h4><p class=\"ds-markdown-paragraph\">Nous comprenons que le choix de la bonne solution de circuits imprim\u00e9s haute fr\u00e9quence peut \u00eatre complexe. Notre \u00e9quipe d'ing\u00e9nieurs fournit une assistance pratique \u00e0 chaque \u00e9tape :<\/p><ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong>Guide de s\u00e9lection des mat\u00e9riaux :<\/strong>\u00a0Vous ne savez pas quel mat\u00e9riau Rogers convient le mieux \u00e0 votre budget et \u00e0 vos besoins de performance ? Nous vous fournissons des conseils clairs et comparatifs.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>DFM pour les conceptions RF :<\/strong>\u00a0Nous examinons vos exigences en mati\u00e8re d'empilage et de caract\u00e9ristiques afin de garantir la fabricabilit\u00e9 sans compromettre l'int\u00e9grit\u00e9 du signal.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Techniques avanc\u00e9es disponibles :<\/strong>\u00a0HDI, doigts en or, huile de carbone, et trous de fraisage pour montage sp\u00e9cialis\u00e9.<\/p><\/li><\/ol><h4>Commencez votre projet de circuit imprim\u00e9 haute fr\u00e9quence<\/h4><p class=\"ds-markdown-paragraph\">Pour recevoir un devis d\u00e9taill\u00e9, il vous suffit de soumettre vos fichiers Gerber et vos sp\u00e9cifications via notre syst\u00e8me de commande en ligne. Pour les projets dont les exigences techniques ou mat\u00e9rielles ne figurent pas dans la liste, veuillez contacter directement notre \u00e9quipe d'ing\u00e9nieurs pour obtenir une solution sur mesure.<\/p><p align=\"center\"><a href=\"\/fr\/obtenir-un-devis-pour-la-fabrication-de-circuits-imprimes\/\"><button style=\"background: black; color: white; padding: 8px 20px; border: none; cursor: pointer;\">Obtenir un devis pour la fabrication de PCB<\/button><\/a><\/p><p style=\"text-align: center;\">Vous travaillez sur des projets automobiles, industriels, IoT ou d'\u00e9lectronique grand public ?<br \/>Nous fournissons des services professionnels <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes\/\">Assemblage du PCB<\/a> des services tels que SMT, DIP et des solutions compl\u00e8tes cl\u00e9 en main.<\/p><p style=\"text-align: center;\">Envoyez-nous votre nomenclature, vos fichiers Gerber ou les exigences de votre projet et vous obtiendrez un devis rapide et pr\u00e9cis de la part de notre \u00e9quipe d'ing\u00e9nieurs.<\/p><p style=\"text-align: center;\">\u2714 NDA disponible \u2714 Devis rapide sous 24 heures \u2714 Usine certifi\u00e9e ISO \u2714 Service unique de PCB et PCBA<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>High Frequency PCB For modern RF, microwave, and high-speed digital applications, standard PCB materials often fall short.\u00a0High Frequency PCBs\u00a0are engineered [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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