{"id":3636,"date":"2025-07-15T14:42:44","date_gmt":"2025-07-15T06:42:44","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3636"},"modified":"2025-07-15T15:01:35","modified_gmt":"2025-07-15T07:01:35","slug":"what-is-the-shelf-life-of-pcb","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/","title":{"rendered":"Quelle est la dur\u00e9e de conservation du PCB ?"},"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\/what-is-the-shelf-life-of-pcb\/#Factors_affecting_the_shelf_life_of_PCB\" >Facteurs affectant la dur\u00e9e de conservation des PCB<\/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\/blog\/what-is-the-shelf-life-of-pcb\/#Surface_treatment_process\" >Traitement de surface<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Storage_conditions\" >Conditions de stockage<\/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\/what-is-the-shelf-life-of-pcb\/#Material_properties\" >Propri\u00e9t\u00e9s des mat\u00e9riaux<\/a><\/li><\/ul><\/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\/blog\/what-is-the-shelf-life-of-pcb\/#Expired_PCB_Disposal_Methods\" >M\u00e9thodes d'\u00e9limination des PCB p\u00e9rim\u00e9es<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Failure_Mode_Analysis\" >Analyse des modes de d\u00e9faillance<\/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\/what-is-the-shelf-life-of-pcb\/#Tiered_Handling_Solutions\" >Solutions de manutention \u00e0 plusieurs niveaux<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Engineering_Practices_to_Extend_PCB_Shelf_Life\" >Pratiques d'ing\u00e9nierie pour prolonger la dur\u00e9e de vie des PCB<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Advanced_Packaging_Technology\" >Technologie d'emballage avanc\u00e9e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Optimized_Surface_Finish_Selection\" >S\u00e9lection optimis\u00e9e de l'\u00e9tat de surface<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Smart_Monitoring_Systems\" >Syst\u00e8mes de surveillance intelligents<\/a><\/li><\/ul><\/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\/what-is-the-shelf-life-of-pcb\/#Risk_Assessment_for_Using_Expired_PCBs\" >\u00c9valuation des risques li\u00e9s \u00e0 l'utilisation de PCB p\u00e9rim\u00e9s<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Mandatory_Inspection_Items\" >\u00c9l\u00e9ments d'inspection obligatoires<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/#Risk_Mitigation_Measures\" >Mesures d'att\u00e9nuation des risques<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factors_affecting_the_shelf_life_of_PCB\"><\/span>Facteurs affectant la dur\u00e9e de conservation des PCB<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Surface_treatment_process\"><\/span>Traitement de surface<span class=\"ez-toc-section-end\"><\/span><\/h3><p>La finition de la surface d'un circuit imprim\u00e9 d\u00e9termine sa dur\u00e9e de vie en rayon. Il existe des diff\u00e9rences significatives dans la r\u00e9sistance \u00e0 l'oxydation et la protection contre l'humidit\u00e9.<\/p><ul class=\"wp-block-list\"><li><strong>HASL (Hot Air Solder Leveling) : <\/strong>Ce proc\u00e9d\u00e9 est bien connu, mais il ne fonctionne que pendant six mois environ et peut parfois entra\u00eener la formation d'oxyde d'\u00e9tain.<\/li>\n\n<li><strong>ENIG (nickel chimique, immersion dans l'or)<\/strong>: Dur\u00e9e de conservation de 12 mois, risque de \"tampon noir\" d\u00fb \u00e0 la diffusion du nickel<\/li>\n\n<li><strong>Argent d'immersion<\/strong>: Dur\u00e9e de conservation de 3 mois seulement, ce qui augmente le risque de migration de l'argent au fil du temps<\/li>\n\n<li><strong>OSP (conservateur de soudabilit\u00e9 organique)<\/strong>: 3-6 mois, n\u00e9cessite une fermeture herm\u00e9tique pour \u00e9viter la d\u00e9composition<\/li>\n\n<li><strong>Placage d'or dur<\/strong>: Pour des applications sp\u00e9ciales, dur\u00e9e de conservation jusqu'\u00e0 24 mois.<\/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-shelf-life-1.jpg\" alt=\"Dur\u00e9e de conservation du PCB\" class=\"wp-image-3640\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Storage_conditions\"><\/span>Conditions de stockage<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Les environnements de stockage conformes aux normes IPC-1601 doivent satisfaire :<\/p><ul class=\"wp-block-list\"><li><strong>Contr\u00f4le de la temp\u00e9rature et de l'humidit\u00e9<\/strong>:<\/li>\n\n<li>Plage de temp\u00e9rature optimale : 20\u00b15\u00b0C (les extr\u00eames ne d\u00e9passant pas 15-30\u00b0C)<\/li>\n\n<li>Exigences en mati\u00e8re d'humidit\u00e9 : 30-50% RH (maximum 70%)<\/li>\n\n<li><strong>Normes d'emballage<\/strong>:<\/li>\n\n<li>Sacs en aluminium scell\u00e9s sous vide avec cartes indicatrices d'humidit\u00e9 &lt;5%<\/li>\n\n<li>Utilisation de d\u00e9shydratant \u226520g\/m\u00b3 du volume de l'emballage<\/li>\n\n<li><strong>Protection contre la lumi\u00e8re<\/strong>: L'exposition aux UV acc\u00e9l\u00e8re la d\u00e9gradation du film OSP<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_properties\"><\/span>Propri\u00e9t\u00e9s des mat\u00e9riaux<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Cartes FR-4 standard<\/strong>: Dur\u00e9e de vie th\u00e9orique de 5 \u00e0 10 ans (sans ouverture)<\/li>\n\n<li><strong>Mat\u00e9riaux haute fr\u00e9quence (par exemple, PTFE)<\/strong>: Doit \u00eatre utilis\u00e9 dans les 3 ans<\/li>\n\n<li><strong>Cartes HDI<\/strong>: Dur\u00e9e de conservation plus courte (r\u00e9duction de 20%) en raison de couches di\u00e9lectriques plus fines.<\/li>\n\n<li><strong>Plaques de cuivre \u00e9paisses (\u22653oz)<\/strong>: N\u00e9cessite une attention particuli\u00e8re aux risques d'oxydation de la couche interne<\/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-shelf-life-1-1.jpg\" alt=\"Dur\u00e9e de conservation du PCB\" class=\"wp-image-3641\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-1-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-1-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-1-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><p>Besoin d'une \u00e9valuation professionnelle de la dur\u00e9e de conservation des PCB ? <a href=\"https:\/\/www.topfastpcb.com\/fr\/contact\/\">Contactez notre \u00e9quipe d'ing\u00e9nieurs en fiabilit\u00e9 pour une \u00e9valuation gratuite<\/a>.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Expired_PCB_Disposal_Methods\"><\/span>M\u00e9thodes d'\u00e9limination des PCB p\u00e9rim\u00e9es<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Failure_Mode_Analysis\"><\/span>Analyse des modes de d\u00e9faillance<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Oxydation de la couche m\u00e9tallique<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Diffusion du nickel dans la couche d'or des cartes ENIG (&gt;12 mois)<\/li>\n\n<li>Risque accru de whiskers d'\u00e9tain dans les cartes HASL<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>D\u00e9gradation du substrat<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>L'hydrolyse de la r\u00e9sine r\u00e9duit la valeur Tg<\/li>\n\n<li>La force d'adh\u00e9rence entre les couches diminue de \u226515% (test IPC-TM-650).<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Risques li\u00e9s \u00e0 l'absorption d'humidit\u00e9<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Abaissement de la note MSL (par exemple, de MSL3 \u00e0 MSL2)<\/li>\n\n<li>La pression de vapeur d\u00e9passe les limites du substrat pendant la refusion<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tiered_Handling_Solutions\"><\/span>Solutions de manutention \u00e0 plusieurs niveaux<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Dur\u00e9e d\u00e9pass\u00e9e<\/th><th>Processus de traitement<\/th><th>Points de contr\u00f4le de la qualit\u00e9<\/th><\/tr><\/thead><tbody><tr><td>\u22642 mois<\/td><td>120\u00b0C\/1h de cuisson<\/td><td>Teneur en humidit\u00e9 apr\u00e8s cuisson &lt;0,1%<\/td><\/tr><tr><td>2-6 mois<\/td><td>120\u00b0C\/2h de cuisson \u00e9chelonn\u00e9e<\/td><td>L'essai de d\u00e9lamination TMA est requis<\/td><\/tr><tr><td>6-12 mois<\/td><td>120\u00b0C\/4h + protection par l'azote<\/td><td>Essai de soudabilit\u00e9 obligatoire<\/td><\/tr><tr><td>&gt;12 mois<\/td><td>\u00c9limination recommand\u00e9e<\/td><td>Essais de choc thermique sur des \u00e9chantillons<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>Techniques de traitement sp\u00e9ciales<\/strong>:<\/p><ul class=\"wp-block-list\"><li>Brasage par refusion \u00e0 l'azote (teneur en O\u2082 &lt;100ppm)<\/li>\n\n<li>Utilisation d'une p\u00e2te \u00e0 braser hautement active et non nettoyante (par exemple, de qualit\u00e9 ROL0)<\/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-shelf-life-2.jpg\" alt=\"Dur\u00e9e de conservation du PCB\" class=\"wp-image-3642\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-shelf-life-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Engineering_Practices_to_Extend_PCB_Shelf_Life\"><\/span>Pratiques d'ing\u00e9nierie pour prolonger la dur\u00e9e de vie des PCB<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advanced_Packaging_Technology\"><\/span>Technologie d'emballage avanc\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Emballage protecteur multicouche<\/strong>:<\/li><\/ul><ol class=\"wp-block-list\"><li>Couche int\u00e9rieure : Sac en feuille d'aluminium antistatique<\/li>\n\n<li>Couche interm\u00e9diaire : Absorbeur d'oxyg\u00e8ne + carte d'indicateur d'humidit\u00e9<\/li>\n\n<li>Couche ext\u00e9rieure : Rembourrage EPE antichoc<\/li><\/ol><ul class=\"wp-block-list\"><li><strong>Solutions de stockage \u00e0 long terme<\/strong>:<\/li>\n\n<li>Stockage d'azote (teneur en O\u2082 &lt;0,5%)<\/li>\n\n<li>Stockage \u00e0 basse temp\u00e9rature (-10\u00b0C) (pr\u00e9vention de la condensation requise)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optimized_Surface_Finish_Selection\"><\/span>S\u00e9lection optimis\u00e9e de l'\u00e9tat de surface<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Applications \u00e0 haute fiabilit\u00e9<\/strong>: ENEPIG (dur\u00e9e de conservation de 18 mois)<\/li>\n\n<li><strong>Projets sensibles aux co\u00fbts<\/strong>: Proc\u00e9d\u00e9 hybride ImAg+OSP<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Smart_Monitoring_Systems\"><\/span>Syst\u00e8mes de surveillance intelligents<span class=\"ez-toc-section-end\"><\/span><\/h3><p>D\u00e9ployer des capteurs IoT pour le suivi en temps r\u00e9el des :<\/p><ul class=\"wp-block-list\"><li>Fluctuations de la temp\u00e9rature et de l'humidit\u00e9 dans l'entrep\u00f4t<\/li>\n\n<li>Modifications de la pression interne du sac<\/li>\n\n<li>D\u00e9coloration des mat\u00e9riaux (par vision industrielle)<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Risk_Assessment_for_Using_Expired_PCBs\"><\/span>\u00c9valuation des risques li\u00e9s \u00e0 l'utilisation de PCB p\u00e9rim\u00e9s<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mandatory_Inspection_Items\"><\/span>\u00c9l\u00e9ments d'inspection obligatoires<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Test de soudabilit\u00e9<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Selon les normes IPC-J-STD-003B<\/li>\n\n<li>La surface de soudure doit \u00eatre sup\u00e9rieure \u00e0 95%<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>V\u00e9rification de la fiabilit\u00e9<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Essais de cyclage thermique (-55\u00b0C~125\u00b0C, 100 cycles)<\/li>\n\n<li>Test \u00e0 l'autocuiseur (121\u00b0C\/100%RH, 96h)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Risk_Mitigation_Measures\"><\/span>Mesures d'att\u00e9nuation des risques<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>100% inspection des premiers articles + examen agrandi des joints de soudure<\/li>\n\n<li>Test de vieillissement suppl\u00e9mentaire (48h\/85\u00b0C)<\/li>\n\n<li>Plaques d'essai r\u00e9serv\u00e9es le long des bords de la carte<\/li><\/ul><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Trois \u00e9l\u00e9ments principaux influencent la dur\u00e9e de vie des PCB : la fa\u00e7on dont ils sont trait\u00e9s pendant la production, la fa\u00e7on dont ils sont stock\u00e9s et les besoins de la carte elle-m\u00eame. Il existe un plan de traitement pour les PCB p\u00e9rim\u00e9s qui a \u00e9t\u00e9 class\u00e9, ainsi qu'un plan de pratiques d'ing\u00e9nierie pour prolonger la dur\u00e9e de conservation des PCB. Ce plan englobe une technologie d'emballage avanc\u00e9e, des options de traitement de surface am\u00e9lior\u00e9es et des syst\u00e8mes de surveillance intelligents. Tous ces \u00e9l\u00e9ments offrent aux entreprises de fabrication \u00e9lectronique une solution compl\u00e8te de gestion de la dur\u00e9e de vie des PCB.<\/p>","protected":false},"author":1,"featured_media":3638,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[323],"class_list":["post-3636","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-pcb-shelf-life"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the shelf life of PCB? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"The lifespan of PCBs can be anywhere from six months to 10 years. The main things that affect this are the surface treatment, how they are stored, and how they are disposed of when they are no longer needed.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/what-is-the-shelf-life-of-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the shelf life of PCB? - Topfastpcb\" \/>\n<meta property=\"og:description\" content=\"The lifespan of PCBs can be anywhere from six months to 10 years. 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