{"id":3532,"date":"2025-07-04T11:21:09","date_gmt":"2025-07-04T03:21:09","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3532"},"modified":"2025-07-04T11:23:28","modified_gmt":"2025-07-04T03:23:28","slug":"how-to-determine-if-a-pcb-is-soldered-correctly","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/","title":{"rendered":"Comment d\u00e9terminer si un circuit imprim\u00e9 est correctement soud\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\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#Why_is_PCB_Soldering_Quality_So_Important\" >Pourquoi la qualit\u00e9 du brasage des circuits imprim\u00e9s est-elle si importante ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#7_Professional_PCB_Soldering_Inspection_Methods\" >7 M\u00e9thodes professionnelles d'inspection du brasage des circuits imprim\u00e9s<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#1_Visual_Inspection_ManualAOI\" >1. Inspection visuelle (Manuel\/AOI)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#2_X-Ray_Inspection_Detecting_Hidden_Defects\" >2.Inspection par rayons X (d\u00e9tection des d\u00e9fauts cach\u00e9s)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#3_Flying_Probe_Testing_Electrical_Performance_Verification\" >3.Essais par sonde volante (v\u00e9rification des performances \u00e9lectriques)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#4_In-Circuit_Testing_ICT_Comprehensive_Circuit_Verification\" >4.Essai en circuit (ICT) (v\u00e9rification compl\u00e8te du circuit)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#5_Functional_Testing_FCT\" >5.Essais fonctionnels (FCT)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#6_Thermal_Imaging_Inspection_Identifying_Overheated_Solder_Joints\" >6.Inspection par imagerie thermique (identification des joints de soudure surchauff\u00e9s)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#7_Environmental_Stress_Testing_Reliability_Verification\" >7.Essais sous contrainte environnementale (v\u00e9rification de la fiabilit\u00e9)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#Common_Soldering_Defects_and_Solutions\" >D\u00e9fauts de soudure courants et solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#How_to_Choose_Inspection_Methods\" >Comment choisir les m\u00e9thodes d'inspection ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/how-to-determine-if-a-pcb-is-soldered-correctly\/#Related_reading\" >Lecture associ\u00e9e<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_PCB_Soldering_Quality_So_Important\"><\/span>Pourquoi la qualit\u00e9 du brasage des circuits imprim\u00e9s est-elle si importante ?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Dans le domaine de l'\u00e9lectronique, la qualit\u00e9 du brasage des circuits imprim\u00e9s d\u00e9termine directement les performances et la dur\u00e9e de vie des cartes de circuits imprim\u00e9s. Un minuscule joint de soudure froid ou un court-circuit peut entra\u00eener la d\u00e9faillance de l'ensemble du dispositif. Alors, comment s'assurer que le brasage des circuits imprim\u00e9s est effectu\u00e9 correctement ?<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-4.jpg\" alt=\"Soudure de circuits imprim\u00e9s\" class=\"wp-image-3533\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-4.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-4-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-4-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Professional_PCB_Soldering_Inspection_Methods\"><\/span>7 M\u00e9thodes professionnelles d'inspection du brasage des circuits imprim\u00e9s<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Visual_Inspection_ManualAOI\"><\/span>1.Inspection visuelle (manuelle\/<a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-aoi-automated-optical-inspection\/\">AOI<\/a>)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: D\u00e9pistage rapide des d\u00e9fauts de soudure \u00e9vidents<\/p><ul class=\"wp-block-list\"><li><strong>Inspection manuelle<\/strong>V\u00e9rifier que les joints de soudure sont lisses, arrondis et exempts de joints de soudure froide, de fissures ou de ponts de soudure.<\/li>\n\n<li><strong>AOI (Inspection optique automatis\u00e9e)<\/strong>Utilise des cam\u00e9ras de haute pr\u00e9cision pour comparer les joints de soudure avec des images standard, identifiant les anomalies de taille, de forme ou de couleur. Id\u00e9al pour l'inspection de lots.<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>L'AOI peut d\u00e9tecter plus de 80 % des d\u00e9fauts de surface, mais ne peut pas identifier les joints de soudure cach\u00e9s, comme ceux des composants BGA.<\/p><\/blockquote><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_X-Ray_Inspection_Detecting_Hidden_Defects\"><\/span>2.Inspection par rayons X (d\u00e9tection des d\u00e9fauts cach\u00e9s)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: BGA, QFN et autres joints de soudure cach\u00e9s<\/p><ul class=\"wp-block-list\"><li>Utilise les rayons X pour examiner les structures internes des joints de soudure, d\u00e9tectant les vides, les joints de soudure froids ou le d\u00e9salignement des billes.<\/li>\n\n<li>Particuli\u00e8rement adapt\u00e9 aux circuits imprim\u00e9s \u00e0 haute densit\u00e9 et \u00e0 l'\u00e9valuation de la qualit\u00e9 de la soudure des microcomposants.<\/li><\/ul><p>Si vous avez besoin de services d'inspection de haute pr\u00e9cision pour le brasage des circuits imprim\u00e9s, <a href=\"https:\/\/www.topfastpcb.com\/fr\/\">TopFast PCB<\/a> propose une inspection professionnelle par rayons X afin de garantir l'absence de d\u00e9fauts dans vos circuits imprim\u00e9s.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Flying_Probe_Testing_Electrical_Performance_Verification\"><\/span>3.Essais par sonde volante (v\u00e9rification des performances \u00e9lectriques)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: Tests de cartes en petites s\u00e9ries ou de prototypes<\/p><ul class=\"wp-block-list\"><li>Utilise des sondes mobiles pour mesurer la r\u00e9sistance des joints de soudure - les joints de soudure froids pr\u00e9sentent une r\u00e9sistance anormalement \u00e9lev\u00e9e.<\/li>\n\n<li>Pas besoin d'accessoires sur mesure ; flexible et efficace, mais plus lent.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-6.jpg\" alt=\"\" class=\"wp-image-3536\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-6.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-6-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-6-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_In-Circuit_Testing_ICT_Comprehensive_Circuit_Verification\"><\/span>4. <a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-ict\/\">Test en circuit<\/a> (ICT) (v\u00e9rification compl\u00e8te des circuits)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: Production de masse<\/p><ul class=\"wp-block-list\"><li>Utilise des montages d'essai pour v\u00e9rifier la connectivit\u00e9 et la fonctionnalit\u00e9 de tous les composants.<\/li>\n\n<li>Localise rapidement les courts-circuits, les ouvertures ou les \u00e9carts de valeur des composants.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Functional_Testing_FCT\"><\/span>5.Essais fonctionnels (FCT)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: Acceptation du produit final<\/p><ul class=\"wp-block-list\"><li>Simule les conditions d'utilisation r\u00e9elles pour valider les performances globales de la carte de circuit imprim\u00e9.<\/li>\n\n<li>S'assurer que les d\u00e9fauts de soudure n'affectent pas la fonctionnalit\u00e9 r\u00e9elle.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Thermal_Imaging_Inspection_Identifying_Overheated_Solder_Joints\"><\/span>6.Inspection par imagerie thermique (identification des joints de soudure surchauff\u00e9s)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: Cartes de circuits imprim\u00e9s de haute puissance<\/p><ul class=\"wp-block-list\"><li>Utilise des cam\u00e9ras infrarouges pour d\u00e9tecter les surchauffes localis\u00e9es, indiquant des joints de soudure froids ou un mauvais contact.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Environmental_Stress_Testing_Reliability_Verification\"><\/span>7.Essais sous contrainte environnementale (v\u00e9rification de la fiabilit\u00e9)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Sc\u00e9nario applicable<\/strong>: Produits de haute qualit\u00e9 (par exemple, \u00e9lectronique militaire, automobile)<\/p><ul class=\"wp-block-list\"><li>Comprend des cycles de temp\u00e9rature, des essais de vibration, etc., afin de garantir la fiabilit\u00e9 des joints de soudure dans des conditions extr\u00eames.<\/li><\/ul><p><a href=\"https:\/\/www.topfastpcb.com\/fr\/\">TopFast PCB<\/a> fournit des services de contr\u00f4le de la qualit\u00e9 de bout en bout, de la conception \u00e0 la production, afin d'aider vos produits \u00e0 passer des tests environnementaux rigoureux.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-5.jpg\" alt=\"Soudure de circuits imprim\u00e9s\" class=\"wp-image-3534\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-5.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-5-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-5-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Soldering_Defects_and_Solutions\"><\/span>D\u00e9fauts de soudure courants et solutions<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Type de d\u00e9faut<\/strong><\/th><th><strong>Sympt\u00f4mes<\/strong><\/th><th><strong>Solution<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Joint de soudure \u00e0 froid<\/td><td>Joint de soudure terne et l\u00e2che<\/td><td>Re-souder en contr\u00f4lant correctement la temp\u00e9rature et la dur\u00e9e de la soudure<\/td><\/tr><tr><td>Pont de soudure<\/td><td>Court-circuit entre joints adjacents<\/td><td>Enlever l'exc\u00e9dent de soudure avec la tresse de dessoudage<\/td><\/tr><tr><td>Lev\u00e9e des coussins<\/td><td>La feuille de cuivre se s\u00e9pare du substrat<\/td><td>Remplacer le tampon ou r\u00e9parer la trace<\/td><\/tr><tr><td>Voie de garage<\/td><td>Bulles internes dans le joint de soudure<\/td><td>Optimiser le profil de temp\u00e9rature de soudage par refusion<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Choose_Inspection_Methods\"><\/span>Comment choisir les m\u00e9thodes d'inspection ?<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>Production en petites s\u00e9ries<\/strong>: Essais \u00e0 l'aide de sondes volantes + essais fonctionnels<br><strong>Production de masse<\/strong>AOI + ICT + \u00e9chantillonnage par rayons X<br><strong>Exigences en mati\u00e8re de haute fiabilit\u00e9<\/strong>Inspection de l'ensemble du processus (AOI + rayons X + tests environnementaux)<\/p><p>La qualit\u00e9 de la soudure des circuits imprim\u00e9s est la cl\u00e9 de vo\u00fbte des produits \u00e9lectroniques.En combinant plusieurs m\u00e9thodes d'inspection, vous pouvez contr\u00f4ler de mani\u00e8re exhaustive les d\u00e9fauts de soudure et garantir la haute fiabilit\u00e9 des cartes de circuits imprim\u00e9s. Si vous \u00eates \u00e0 la recherche de services professionnels de fabrication et d'inspection de circuits imprim\u00e9s, contactez l'\u00e9quipe d'inspection des circuits imprim\u00e9s de l'Agence europ\u00e9enne pour la s\u00e9curit\u00e9 et la sant\u00e9 au travail. <a href=\"https:\/\/www.topfastpcb.com\/fr\/about\/\">TopFast<\/a> PCB, et nous vous fournirons une solution unique !<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Related_reading\"><\/span>Lecture associ\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h2><p><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/welding-flaw-detection\/\">D\u00e9tection des d\u00e9fauts de soudage des circuits imprim\u00e9s<br><\/a><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/solder-paste-inspection\/\">Inspection de la p\u00e2te \u00e0 braser<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>La qualit\u00e9 du brasage des circuits imprim\u00e9s a une incidence directe sur les performances et la fiabilit\u00e9 des produits \u00e9lectroniques. Les m\u00e9thodes d'essai professionnelles (telles que l'AOI, les rayons X, les essais \u00e0 la sonde volante, etc.) vous aident \u00e0 identifier avec pr\u00e9cision les probl\u00e8mes de brasage et \u00e0 trouver des solutions pour garantir une production de circuits imprim\u00e9s de haute qualit\u00e9.<\/p>","protected":false},"author":1,"featured_media":3535,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[315],"class_list":["post-3532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-pcb-soldering"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to determine if a PCB is soldered correctly? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Want to know how to determine if PCB soldering is correct? 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