{"id":6826,"date":"2025-07-07T20:01:18","date_gmt":"2025-07-07T12:01:18","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=6826"},"modified":"2025-10-22T17:04:05","modified_gmt":"2025-10-22T09:04:05","slug":"what-are-some-common-issues-with-pcb-assembly","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/","title":{"rendered":"Quels sont les probl\u00e8mes les plus courants li\u00e9s \u00e0 l'assemblage des circuits imprim\u00e9s ?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 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:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#Common_PCB_Assembly_Issues_and_Systematic_Solutions\" >Probl\u00e8mes courants d'assemblage de circuits imprim\u00e9s et solutions syst\u00e9matiques<\/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:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#1_Soldering_Defects\" >1. D\u00e9fauts de soudure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#2_Component_Damage\" >2.Dommages aux composants<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#3_ShortOpen_Circuits\" >3.Circuits courts\/ouverts<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#Systematic_Short_Circuit_Solutions\" >Solutions syst\u00e9matiques de court-circuit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#Targeted_Open_Circuit_Measures\" >Mesures cibl\u00e9es en circuit ouvert<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#4_Pad_Design_Flaws_An_Overlooked_Critical_Factor\" >4. D\u00e9fauts de conception des tampons : Un facteur critique n\u00e9glig\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#5_Multilayer_PCB_Challenges\" >5.D\u00e9fis li\u00e9s aux circuits imprim\u00e9s multicouches<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#6_Modern_Inspection_Technologies\" >6.Technologies modernes d'inspection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#7_Environment_and_Operations\" >7.Environnement et op\u00e9rations<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/#Recommendation\" >Recommandation<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_PCB_Assembly_Issues_and_Systematic_Solutions\"><\/span>Probl\u00e8mes courants d'assemblage de circuits imprim\u00e9s et solutions syst\u00e9matiques<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dans l'industrie de l'\u00e9lectronique, <a href=\"https:\/\/topfastpcba.com\/fr\/pcb-assembly\/\">Assemblage du PCB<\/a> La qualit\u00e9 des circuits imprim\u00e9s a un impact direct sur les performances et la fiabilit\u00e9 du produit final. Selon les derni\u00e8res statistiques de l'IPC, environ 35 % des premi\u00e8res d\u00e9faillances de produits sont dues \u00e0 des probl\u00e8mes d'assemblage de circuits imprim\u00e9s. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Soldering_Defects\"><\/span>1. D\u00e9fauts de soudure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Les probl\u00e8mes de soudure repr\u00e9sentent 42 % des d\u00e9fauts d'assemblage des circuits imprim\u00e9s.Les principaux types de probl\u00e8mes sont les suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Joints de soudure \u00e0 froid<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Caract\u00e9ristiques<\/em>: Surface de soudure rugueuse et terne<\/li>\n\n\n\n<li><em>Causes<\/em>: Temp\u00e9rature ou dur\u00e9e de brasage insuffisante<\/li>\n\n\n\n<li><em>Solutions<\/em>Optimiser les profils de refusion pour s'assurer que les temp\u00e9ratures maximales respectent les sp\u00e9cifications de la p\u00e2te \u00e0 braser<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mouillage insuffisant<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Caract\u00e9ristiques<\/em>: Mauvaise liaison entre les fils et les plaquettes des composants<\/li>\n\n\n\n<li><em>Causes<\/em>D\u00e9salignement ou oxydation de la p\u00e2te \u00e0 braser<\/li>\n\n\n\n<li><em>Solutions<\/em>Calibrer r\u00e9guli\u00e8rement les imprimantes \u00e0 pochoir et utiliser des environnements de soudure prot\u00e9g\u00e9s par l'azote.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ponts de soudure<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Caract\u00e9ristiques<\/em>: Connexions conductrices entre des joints de soudure adjacents<\/li>\n\n\n\n<li><em>Causes<\/em>Exc\u00e8s de p\u00e2te \u00e0 braser ou espacement insuffisant des composants<\/li>\n\n\n\n<li><em>Solutions<\/em>Optimiser les ouvertures des pochoirs et mettre en \u0153uvre des pochoirs en escalier pour r\u00e9duire le volume de soudure<\/li>\n<\/ul>\n\n\n\n<p><em>Conseil d'expert<\/em>: Mettre en \u0153uvre un syst\u00e8me de surveillance de l'indice de fen\u00eatre de processus (PWI) pour suivre en temps r\u00e9el les param\u00e8tres cl\u00e9s tels que la pente de chauffage et le temps de liquidus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Component_Damage\"><\/span>2.Dommages aux composants<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Les dommages subis par les composants au cours de l'assemblage passent souvent inaper\u00e7us mais entra\u00eenent des d\u00e9faillances pr\u00e9coces du produit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dommages aux machines de pr\u00e9l\u00e8vement et de d\u00e9pose<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La pression excessive de la buse fissure les condensateurs en c\u00e9ramique<\/li>\n\n\n\n<li><em>Solution<\/em>: D\u00e9finir des pressions de placement sp\u00e9cifiques aux composants<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dommages dus \u00e0 la contrainte thermique<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fissures dans les billes de soudure des BGA dues \u00e0 une inad\u00e9quation du CTE pendant la refusion<\/li>\n\n\n\n<li><em>Solution<\/em>: Use staged heating profiles with max ramp rates &lt;3\u00b0C\/s<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dommages caus\u00e9s par les d\u00e9charges \u00e9lectrostatiques (ESD)<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00e9gradation du MOSFET par d\u00e9charge \u00e9lectrostatique<\/li>\n\n\n\n<li><em>Solution<\/em>: Maintien d'une protection ESD conforme aux normes ANSI\/ESD S20.20<\/li>\n<\/ul>\n\n\n\n<p><em>M\u00e9thodes d'inspection<\/em>: Pour les dommages cach\u00e9s, utilisez la radiographie 3D et la microscopie acoustique \u00e0 balayage (SAM).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2.jpg\" alt=\"pcba\" class=\"wp-image-6827\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_ShortOpen_Circuits\"><\/span>3.Circuits courts\/ouverts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Systematic_Short_Circuit_Solutions\"><\/span>Solutions syst\u00e9matiques de court-circuit<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Phase de conception Pr\u00e9vention<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optimisation des tampons : Remplacer les tampons circulaires par des tampons ovales (augmentation de l'espacement de 30 %)<\/li>\n\n\n\n<li>R\u00e8gles d'acheminement :Maintenir un espacement de 3x la largeur de la ligne pour les signaux \u00e0 grande vitesse<\/li>\n\n\n\n<li>S\u00e9paration de la puissance :&gt;1mm d'espacement entre les domaines de tension<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Contr\u00f4le des processus de production<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Contr\u00f4le de l'\u00e9paisseur de la p\u00e2te \u00e0 braser (25-50 microns)<\/li>\n\n\n\n<li>Veiller \u00e0 ce que les barrages du masque de soudure soient &gt;0,1 mm<\/li>\n\n\n\n<li>Mise en \u0153uvre de l'AOI pour la d\u00e9tection des d\u00e9fauts de pontage<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Targeted_Open_Circuit_Measures\"><\/span>Mesures cibl\u00e9es en circuit ouvert<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Questions relatives au placage<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maintain through-hole copper thickness \u226525\u03bcm<\/li>\n\n\n\n<li>Utiliser la m\u00e9tallisation par impulsion pour une meilleure couverture des parois du trou<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00e9fauts de soudure<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optimiser l'activit\u00e9 de la p\u00e2te \u00e0 braser (RMA ou no-clean recommand\u00e9)<\/li>\n\n\n\n<li>Assurer la coplanarit\u00e9 des fils des composants &lt;0.1mm<\/li>\n<\/ul>\n\n\n\n<p><em>\u00c9tude de cas<\/em>: Un fabricant d'\u00e9quipements de t\u00e9l\u00e9communications a r\u00e9duit les d\u00e9fauts de court-circuit de 850ppm \u00e0 120ppm gr\u00e2ce \u00e0 l'optimisation des r\u00e8gles de conception.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Pad_Design_Flaws_An_Overlooked_Critical_Factor\"><\/span>4. D\u00e9fauts de conception des tampons : Un facteur critique n\u00e9glig\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dimensionnement incorrect du tampon<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Longueur de la pastille SMD = longueur du fil du composant + 0,5 mm<\/li>\n\n\n\n<li>Largeur du tampon = 80-120% de la largeur du plomb<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mauvaise conception thermique<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utiliser des coussins de d\u00e9charge thermique pour les composants de forte puissance<\/li>\n\n\n\n<li>Calculer les vias thermiques (2-3 x 0.3mm vias par 1A de courant)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Probl\u00e8mes li\u00e9s aux masques de soudure<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les ouvertures du masque de soudure doivent d\u00e9passer les pastilles de 0,05 \u00e0 0,1 mm.<\/li>\n\n\n\n<li>\u00c9viter les barrages \u00e9troits du masque de soudure, qui provoquent des ponts<\/li>\n<\/ul>\n\n\n\n<p><em>Contr\u00f4le de la conception<\/em>: Utiliser le logiciel Valor NPI pour l'analyse DFM afin de d\u00e9tecter les probl\u00e8mes \u00e0 un stade pr\u00e9coce.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Multilayer_PCB_Challenges\"><\/span>5.D\u00e9fis li\u00e9s aux circuits imprim\u00e9s multicouches<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Qualit\u00e9 du forage<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mettre en \u0153uvre la gestion de la dur\u00e9e de vie des tr\u00e9pans<\/li>\n\n\n\n<li>Optimiser les param\u00e8tres : Vitesse d'avance de 1,5-3m\/min, vitesse de 80-120krpm<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00e9salignement des couches<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utiliser l'imagerie laser directe (LDI) pour un meilleur enregistrement<\/li>\n\n\n\n<li>Ajouter suffisamment de cibles d'alignement (3-4 par c\u00f4t\u00e9 recommand\u00e9es)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Short de la couche int\u00e9rieure<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Control inner layer etch undercut (&lt;20\u03bcm)<\/li>\n\n\n\n<li>Utiliser l'AOI pour l'inspection de la couche interne<\/li>\n<\/ul>\n\n\n\n<p><em>S\u00e9lection des mat\u00e9riaux<\/em>: Rogers 4350B for high-frequency applications, standard FR-4 Tg150\u00b0C otherwise.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Modern_Inspection_Technologies\"><\/span>6.Technologies modernes d'inspection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Comparaison des m\u00e9thodes traditionnelles<\/strong> M\u00e9thode Capacit\u00e9 Co\u00fbt Vitesse AOI D\u00e9fauts de surface Moyenne Rapide Rayons X Joints cach\u00e9s Haute Lente Sonde volante Essais \u00e9lectriques Moyenne Moyenne<\/li>\n\n\n\n<li><strong>Technologies \u00e9mergentes<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inspection optique aliment\u00e9e par l'IA : Pr\u00e9cision de d\u00e9tection des d\u00e9fauts &gt;98<\/li>\n\n\n\n<li>Analyse de la nano-imp\u00e9dance :D\u00e9tecte les micro-courts-circuits<\/li>\n\n\n\n<li>Thermographie intelligente :Pr\u00e9voir les points \u00e0 risque avant la mise sous tension<\/li>\n<\/ul>\n\n\n\n<p><em>Conseil en investissement<\/em>: Pour les circuits imprim\u00e9s HDI, d\u00e9ployer des syst\u00e8mes d'inspection int\u00e9gr\u00e9s 3D SPI + rayons X + AOI.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Environment_and_Operations\"><\/span>7.Environnement et op\u00e9rations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Exigences en mati\u00e8re d'installations<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature 23\u00b12\u00b0C, humidity 45\u00b15% RH<\/li>\n\n\n\n<li>Propret\u00e9 : ISO 14644-1 Classe 8<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Normes op\u00e9rationnelles<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Op\u00e9rateurs certifi\u00e9s IPC-A-610<\/li>\n\n\n\n<li>Protection ESD compl\u00e8te<\/li>\n\n\n\n<li>Organisation du lieu de travail 5S<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gestion du mat\u00e9riel<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Refrigerate solder paste (0-10\u00b0C), 4-hour reflow before use<\/li>\n\n\n\n<li>Utiliser les PCB ouverts dans les 72 heures<\/li>\n<\/ul>\n\n\n\n<p><em>Histoire d'une r\u00e9ussite<\/em>: Un fabricant d'\u00e9lectronique automobile a r\u00e9duit les d\u00e9fauts de soudure de 60 % gr\u00e2ce \u00e0 des am\u00e9liorations environnementales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Recommendation\"><\/span>Recommandation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Traiter syst\u00e9matiquement les probl\u00e8mes li\u00e9s \u00e0 l'assemblage des circuits imprim\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Phase de conception<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Respecter les normes IPC<\/li>\n\n\n\n<li>Effectuer une analyse DFM approfondie<\/li>\n\n\n\n<li>Utiliser des biblioth\u00e8ques de composants v\u00e9rifi\u00e9s<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Phase de production<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c9tablir des points de contr\u00f4le stricts des processus<\/li>\n\n\n\n<li>Mise en \u0153uvre du suivi SPC<\/li>\n\n\n\n<li>D\u00e9ployer l'\u00e9quipement d'inspection appropri\u00e9<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gestion du personnel<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Formation technique r\u00e9guli\u00e8re<\/li>\n\n\n\n<li>Syst\u00e8mes de responsabilit\u00e9 en mati\u00e8re de qualit\u00e9<\/li>\n\n\n\n<li>Encourager une culture de signalement des d\u00e9fauts<\/li>\n<\/ul>\n\n\n\n<p>Pour les produits critiques, effectuer des tests de fiabilit\u00e9 (cycles thermiques, tests de vibration, etc.). Gr\u00e2ce \u00e0 une pr\u00e9vention et \u00e0 un contr\u00f4le syst\u00e9matiques, les taux de d\u00e9fectuosit\u00e9 des assemblages de circuits imprim\u00e9s peuvent \u00eatre maintenus en permanence en dessous de 100 ppm.<\/p>","protected":false},"excerpt":{"rendered":"<p>L'assemblage de circuits imprim\u00e9s est une \u00e9tape critique de la fabrication de produits \u00e9lectroniques, mais il se heurte souvent \u00e0 des probl\u00e8mes tels qu'une mauvaise soudure, des composants endommag\u00e9s et des courts-circuits\/circuits ouverts. En analysant les causes de ces probl\u00e8mes et en fournissant des solutions pratiques de la conception au processus de production, y compris des recommandations professionnelles sur l'optimisation des pastilles, les r\u00e8gles de routage et le choix de la technologie d'inspection, nous vous aidons \u00e0 \u00e9viter les d\u00e9fauts courants de l'assemblage des circuits imprim\u00e9s.<\/p>","protected":false},"author":2,"featured_media":6828,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[75],"class_list":["post-6826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-pcb-assembly"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are some common issues with PCB assembly? - Topfastpcba<\/title>\n<meta name=\"description\" content=\"Common issues in PCB assembly, including poor soldering, component damage, short circuits\/open circuits, etc., are addressed with systematic solutions ranging from design optimization to production process control, thereby improving PCB assembly quality and reliability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topfastpcba.com\/fr\/what-are-some-common-issues-with-pcb-assembly\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are some common issues with PCB assembly? 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