{"id":5056,"date":"2026-04-09T14:48:39","date_gmt":"2026-04-09T06:48:39","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5056"},"modified":"2026-04-09T14:48:39","modified_gmt":"2026-04-09T06:48:39","slug":"comment-preparer-les-circuits-imprimes-pour-le-revetement","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/fr\/comment-preparer-les-circuits-imprimes-pour-le-revetement\/","title":{"rendered":"Comment pr\u00e9parer le PCB pour le rev\u00eatement ?"},"content":{"rendered":"<h2 data-section-id=\"yo712d\" data-start=\"0\" data-end=\"47\"><span role=\"text\">Pr\u00e9parer le PCB pour <strong data-start=\"26\" data-end=\"47\">Rev\u00eatement<\/strong><\/span><\/h2>\n<p data-start=\"49\" data-end=\"279\">Une pr\u00e9paration ad\u00e9quate est essentielle avant l'application <strong data-start=\"97\" data-end=\"118\">Rev\u00eatement conforme<\/strong> en <strong data-start=\"122\" data-end=\"138\">Assemblage du circuit imprim\u00e9<\/strong> et <strong data-start=\"143\" data-end=\"159\">Assemblage SMT<\/strong>. Un circuit imprim\u00e9 bien pr\u00e9par\u00e9 garantit une forte adh\u00e9rence, une couverture uniforme et une protection \u00e0 long terme contre les facteurs environnementaux.<\/p>\n<figure id=\"attachment_5060\" aria-describedby=\"caption-attachment-5060\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5060\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating.jpg\" alt=\"Comment pr\u00e9parer le PCB pour le rev\u00eatement\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5060\" class=\"wp-caption-text\">Comment pr\u00e9parer le PCB pour le rev\u00eatement<\/figcaption><\/figure>\n<h3 data-section-id=\"1a61kau\" data-start=\"281\" data-end=\"303\">Inspection initiale<\/h3>\n<p data-start=\"305\" data-end=\"367\">Avant toute pr\u00e9paration, le circuit imprim\u00e9 doit \u00eatre soigneusement inspect\u00e9.<\/p>\n<ul data-start=\"369\" data-end=\"519\">\n<li data-section-id=\"ba2p4w\" data-start=\"369\" data-end=\"426\">V\u00e9rifier qu'il n'y a pas de d\u00e9fauts de soudure, de composants desserr\u00e9s ou de dommages.<\/li>\n<li data-section-id=\"1xu6r1n\" data-start=\"427\" data-end=\"474\">Veiller \u00e0 ce que tous les processus d'assemblage soient achev\u00e9s<\/li>\n<li data-section-id=\"1y35v0d\" data-start=\"475\" data-end=\"519\">V\u00e9rifier qu'il n'y a pas de contaminants visibles<\/li>\n<\/ul>\n<p data-start=\"521\" data-end=\"626\">Les d\u00e9fauts doivent \u00eatre corrig\u00e9s avant l'application du rev\u00eatement, car les retouches deviennent plus difficiles apr\u00e8s l'application du rev\u00eatement. <a href=\"https:\/\/txjpcba.com\/fr\/revetement-conforme\/\"><strong data-start=\"604\" data-end=\"625\">Rev\u00eatement conforme<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"1fxwzfv\" data-start=\"628\" data-end=\"648\">Nettoyage de la carte de circuit imprim\u00e9<\/h3>\n<p data-start=\"650\" data-end=\"697\">Le nettoyage est l'\u00e9tape de pr\u00e9paration la plus critique.<\/p>\n<ul data-start=\"699\" data-end=\"878\">\n<li data-section-id=\"i4vkbc\" data-start=\"699\" data-end=\"753\">\u00c9limine les r\u00e9sidus de flux, les huiles, la poussi\u00e8re et les empreintes digitales.<\/li>\n<li data-section-id=\"6lo04l\" data-start=\"754\" data-end=\"820\">Utiliser un nettoyage au solvant, un nettoyage aqueux ou un nettoyage par ultrasons.<\/li>\n<li data-section-id=\"pnlhyo\" data-start=\"821\" data-end=\"878\">S'assurer que la surface est totalement exempte de contaminants<\/li>\n<\/ul>\n<p data-start=\"880\" data-end=\"949\">Une surface propre est essentielle pour une bonne adh\u00e9rence en <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes\/\"><strong data-start=\"932\" data-end=\"948\">Assemblage du circuit imprim\u00e9<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"wr8kvb\" data-start=\"951\" data-end=\"976\">Rin\u00e7age (si n\u00e9cessaire)<\/h3>\n<p data-start=\"978\" data-end=\"1009\">Pour les processus de nettoyage aqueux :<\/p>\n<ul data-start=\"1011\" data-end=\"1110\">\n<li data-section-id=\"ms6ei2\" data-start=\"1011\" data-end=\"1057\">Rincer soigneusement avec de l'eau d\u00e9sionis\u00e9e (DI)<\/li>\n<li data-section-id=\"1vw1z30\" data-start=\"1058\" data-end=\"1110\">\u00c9liminer les restes de produits de nettoyage ou les r\u00e9sidus<\/li>\n<\/ul>\n<p data-start=\"1112\" data-end=\"1192\">Un rin\u00e7age inad\u00e9quat peut laisser une contamination ionique qui affecte les performances du rev\u00eatement.<\/p>\n<h3 data-section-id=\"epjy9u\" data-start=\"1194\" data-end=\"1225\">S\u00e9chage et \u00e9limination de l'humidit\u00e9<\/h3>\n<p data-start=\"1227\" data-end=\"1274\">Apr\u00e8s le nettoyage, la carte de circuit imprim\u00e9 doit \u00eatre compl\u00e8tement s\u00e8che.<\/p>\n<ul data-start=\"1276\" data-end=\"1375\">\n<li data-section-id=\"1y2zdp\" data-start=\"1276\" data-end=\"1327\">Utiliser des fours \u00e0 air chaud, le s\u00e9chage sous vide ou le s\u00e9chage \u00e0 l'air.<\/li>\n<li data-section-id=\"1lyi80e\" data-start=\"1328\" data-end=\"1375\">\u00c9limination de l'humidit\u00e9 pi\u00e9g\u00e9e sous les composants<\/li>\n<\/ul>\n<p data-start=\"1377\" data-end=\"1466\">L'humidit\u00e9 peut entra\u00eener la formation de bulles, une mauvaise adh\u00e9rence ou la corrosion sous le rev\u00eatement. <strong data-start=\"1444\" data-end=\"1465\">Rev\u00eatement conforme<\/strong>.<\/p>\n<h3 data-section-id=\"bcyipm\" data-start=\"1468\" data-end=\"1495\">Masquage des zones sensibles<\/h3>\n<p data-start=\"1497\" data-end=\"1546\">Le masquage prot\u00e8ge les zones qui ne doivent pas \u00eatre recouvertes.<\/p>\n<ul data-start=\"1548\" data-end=\"1642\">\n<li data-section-id=\"hede1\" data-start=\"1548\" data-end=\"1593\">Connecteurs, interrupteurs, relais, points d'essai<\/li>\n<li data-section-id=\"1qsurn1\" data-start=\"1594\" data-end=\"1642\">Utiliser des rubans de masquage, des bouchons ou des fixations personnalis\u00e9es<\/li>\n<\/ul>\n<p data-start=\"1644\" data-end=\"1729\">Un masquage ad\u00e9quat garantit le maintien de la fonctionnalit\u00e9 apr\u00e8s l'application du rev\u00eatement. <a href=\"https:\/\/txjpcba.com\/fr\/services-dassemblage-smt\/\"><strong data-start=\"1712\" data-end=\"1728\">Assemblage SMT<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"1cgpz8o\" data-start=\"1731\" data-end=\"1764\">Activation de la surface (en option)<\/h3>\n<p data-start=\"1766\" data-end=\"1835\">Dans certains cas, un traitement de surface est utilis\u00e9 pour am\u00e9liorer l'adh\u00e9rence du rev\u00eatement.<\/p>\n<ul data-start=\"1837\" data-end=\"1921\">\n<li data-section-id=\"13zlqax\" data-start=\"1837\" data-end=\"1877\">Traitement au plasma ou traitement corona<\/li>\n<li data-section-id=\"1tfq8ip\" data-start=\"1878\" data-end=\"1921\">Am\u00e9liore l'adh\u00e9rence sur les surfaces difficiles<\/li>\n<\/ul>\n<p data-start=\"1923\" data-end=\"1997\">Cette \u00e9tape est souvent utilis\u00e9e dans les cas de haute fiabilit\u00e9. <strong data-start=\"1967\" data-end=\"1983\">Assemblage du circuit imprim\u00e9<\/strong> des applications.<\/p>\n<h3 data-section-id=\"1e02i6z\" data-start=\"1999\" data-end=\"2025\">Pr\u00e9chauffage (en option)<\/h3>\n<p data-start=\"2027\" data-end=\"2082\">Le pr\u00e9chauffage du circuit imprim\u00e9 avant le rev\u00eatement peut am\u00e9liorer les r\u00e9sultats.<\/p>\n<ul data-start=\"2084\" data-end=\"2189\">\n<li data-section-id=\"92s003\" data-start=\"2084\" data-end=\"2125\">R\u00e9duit les probl\u00e8mes d'humidit\u00e9 et de viscosit\u00e9<\/li>\n<li data-section-id=\"1ysbrd8\" data-start=\"2126\" data-end=\"2155\">Aide le rev\u00eatement \u00e0 s'\u00e9couler uniform\u00e9ment<\/li>\n<li data-section-id=\"a2w4df\" data-start=\"2156\" data-end=\"2189\">Minimise les bulles et les d\u00e9fauts<\/li>\n<\/ul>\n<p data-start=\"2191\" data-end=\"2257\">Cette fonction est particuli\u00e8rement utile dans le cadre de l'automatisation de la gestion de l'information et de la communication. <strong data-start=\"2230\" data-end=\"2246\">Assemblage SMT<\/strong> processus.<\/p>\n<h3 data-section-id=\"v4g7sk\" data-start=\"2259\" data-end=\"2294\">Inspection finale avant le rev\u00eatement<\/h3>\n<p data-start=\"2296\" data-end=\"2357\">Avant d'appliquer <strong data-start=\"2312\" data-end=\"2333\">Rev\u00eatement conforme<\/strong>, Le contr\u00f4le final est effectu\u00e9 :<\/p>\n<ul data-start=\"2359\" data-end=\"2475\">\n<li data-section-id=\"10rl3x4\" data-start=\"2359\" data-end=\"2390\">S'assurer que le circuit imprim\u00e9 est propre et sec<\/li>\n<li data-section-id=\"10bd8a\" data-start=\"2391\" data-end=\"2431\">Confirmer que le masquage est correctement appliqu\u00e9<\/li>\n<li data-section-id=\"13ddmyi\" data-start=\"2432\" data-end=\"2475\">V\u00e9rifier l'absence de particules \u00e9trang\u00e8res<\/li>\n<\/ul>\n<p data-start=\"2477\" data-end=\"2538\">Cette \u00e9tape permet d'assurer la pr\u00e9paration d'un processus de rev\u00eatement r\u00e9ussi.<\/p>\n<h3 data-section-id=\"8ep03t\" data-start=\"2540\" data-end=\"2560\">Conclusion finale<\/h3>\n<p data-start=\"2562\" data-end=\"2885\">Pr\u00e9paration d'un PCB pour <strong data-start=\"2582\" data-end=\"2603\">Rev\u00eatement conforme<\/strong> comprend l'inspection, le nettoyage, le s\u00e9chage, le masquage et les traitements de surface optionnels. En <strong data-start=\"2688\" data-end=\"2704\">Assemblage du circuit imprim\u00e9<\/strong> et <strong data-start=\"2709\" data-end=\"2725\">Assemblage SMT<\/strong>, Une pr\u00e9paration ad\u00e9quate est la base d'une performance fiable du rev\u00eatement, de la pr\u00e9vention des d\u00e9fauts et de la protection \u00e0 long terme des produits \u00e9lectroniques.<\/p>\n<div style=\"background: #f8f8f8; border: 1px solid #e5e5e5; padding: 25px; margin-top: 30px; border-radius: 6px;\">\n<div style=\"text-align: center;\">\n<h3 style=\"margin-bottom: 10px; font-size: 22px;\">Obtenir un devis pour un rev\u00eatement conforme<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">Vous pr\u00e9voyez un nouveau projet de PCBA avec des exigences en mati\u00e8re de rev\u00eatement ? Demandez un devis rapide ci-dessous.<br \/>\nEnvoyez-nous vos exigences et obtenez une r\u00e9ponse rapide de notre \u00e9quipe d'ing\u00e9nieurs.<\/p>\n<p style=\"font-size: 14px; color: #333; margin-bottom: 20px;\">\u2714 R\u00e9ponse dans les 24 heures \u2714 Soutien technique \u2714 Production en petite et grande s\u00e9rie<\/p>\n<\/div>\n<div style=\"text-align: left;\"><style id=\"wpforms-css-vars-2237\">\n\t\t\t\t#wpforms-2237 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 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class=\"wpforms-field-label\">Mat\u00e9riau pr\u00e9f\u00e9r\u00e9<\/legend><ul id=\"wpforms-2237-field_10\"><li class=\"choice-1 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_1\" name=\"wpforms[fields][10]\" value=\"Acrylic (AR)\" aria-errormessage=\"wpforms-2237-field_10_1-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_1\">Acrylique (AR)<\/label><\/li><li class=\"choice-2 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_2\" name=\"wpforms[fields][10]\" value=\"Silicone (SR)\" aria-errormessage=\"wpforms-2237-field_10_2-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_2\">Silicone (SR)<\/label><\/li><li class=\"choice-3 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_3\" name=\"wpforms[fields][10]\" value=\"Polyurethane (UR)\" aria-errormessage=\"wpforms-2237-field_10_3-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_3\">Polyur\u00e9thane (UR)<\/label><\/li><li class=\"choice-5 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_5\" name=\"wpforms[fields][10]\" value=\"UV Curable - UV\" aria-errormessage=\"wpforms-2237-field_10_5-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_5\">Durcissable aux UV - UV<\/label><\/li><li class=\"choice-4 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_4\" name=\"wpforms[fields][10]\" value=\"I&#039;m not sure \/ Need advice\" aria-errormessage=\"wpforms-2237-field_10_4-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_4\">Je ne suis pas s\u00fbr \/ Besoin de conseils<\/label><\/li><\/ul><\/fieldset><\/div><div id=\"wpforms-2237-field_9-container\" class=\"wpforms-field wpforms-field-file-upload\" data-field-type=\"file-upload\" data-field-id=\"9\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_9\">T\u00e9l\u00e9chargement de fichiers<\/label><div\n\t\tclass=\"wpforms-uploader\"\n\t\tdata-field-id=\"9\"\n\t\tdata-form-id=\"2237\"\n\t\tdata-input-name=\"wpforms_2237_9\"\n\t\tdata-extensions=\"zip,rar,7z,pdf,xls,xlsx,csv,jpg,gif,png,txt,docx,tar\"\n\t\tdata-max-size=\"20971520\"\n\t\tdata-max-file-number=\"8\"\n\t\tdata-post-max-size=\"268435456\"\n\t\tdata-max-parallel-uploads=\"4\"\n\t\tdata-parallel-uploads=\"true\"\n\t\tdata-file-chunk-size=\"2097152\">\n\t<div class=\"dz-message\">\n\t\t<svg  viewbox=\"0 0 640 640\" focusable=\"false\" data-icon=\"inbox\" width=\"50px\" height=\"50px\" fill=\"currentColor\" aria-hidden=\"true\">\n\t\t\t<path d=\"M352 173.3L352 384C352 401.7 337.7 416 320 416C302.3 416 288 401.7 288 384L288 173.3L246.6 214.7C234.1 227.2 213.8 227.2 201.3 214.7C188.8 202.2 188.8 181.9 201.3 169.4L297.3 73.4C309.8 60.9 330.1 60.9 342.6 73.4L438.6 169.4C451.1 181.9 451.1 202.2 438.6 214.7C426.1 227.2 405.8 227.2 393.3 214.7L352 173.3zM320 464C364.2 464 400 428.2 400 384L480 384C515.3 384 544 412.7 544 448L544 480C544 515.3 515.3 544 480 544L160 544C124.7 544 96 515.3 96 480L96 448C96 412.7 124.7 384 160 384L240 384C240 428.2 275.8 464 320 464zM464 488C477.3 488 488 477.3 488 464C488 450.7 477.3 440 464 440C450.7 440 440 450.7 440 464C440 477.3 450.7 488 464 488z\"\/>\n\t\t<\/svg>\n\n\t\t<span class=\"modern-title\">\n\t\t\t\t\t\t\tDrag &amp; Drop Files, \t\t\t\t<span>Choose Files to Upload<\/span>\n\t\t\t\t\t<\/span>\n\n\t\t\t\t\t<span class=\"modern-hint\">Vous pouvez t\u00e9l\u00e9verser jusqu\u2019\u00e0 8 fichiers.<\/span>\n\t\t\t<\/div>\n<\/div>\n\n<input\n\t\ttype=\"text\"\n\t\tautocomplete=\"off\"\n\t\treadonly\n\t\tclass=\"dropzone-input\"\n\t\tstyle=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\"\n\t\tid=\"wpforms-2237-field_9\"\n\t\tname=\"wpforms_2237_9\" \t\tvalue=\"\">\n<div id=\"wpforms-2237-field_9-description\" class=\"wpforms-field-description\">Veuillez compresser tous les fichiers Gerber, les fichiers de forage et les nomenclatures dans un seul fichier .ZIP ou .RAR pour un traitement plus rapide.<\/div><\/div>\t\t<div id=\"wpforms-2237-field_3-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"3\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-2237-field_3\" >Material Layout Name<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-2237-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-2237-field_2-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-type=\"textarea\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_2\">Message<\/label><textarea id=\"wpforms-2237-field_2\" class=\"wpforms-field-medium\" name=\"wpforms[fields][2]\" aria-errormessage=\"wpforms-2237-field_2-error\" aria-describedby=\"wpforms-2237-field_2-description\" ><\/textarea><div id=\"wpforms-2237-field_2-description\" class=\"wpforms-field-description\">\"Veuillez \u00e9num\u00e9rer les composants ou les zones qui ne doivent PAS \u00eatre rev\u00eatus (par exemple, les connecteurs, les points de test). Si vous avez des exigences sp\u00e9cifiques concernant les mat\u00e9riaux de rev\u00eatement (par exemple, HumiSeal), veuillez l'indiquer dans la bo\u00eete de commentaires.<\/div><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-2237-field_3-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-2237-field_3-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-2237-field_3-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"2237\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/posts\/5056\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-2237\" class=\"wpforms-submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Soumettre<\/button><img decoding=\"async\" src=\"https:\/\/txjpcba.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Chargement en cours\"><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form><\/div>  <!-- .wpforms-container --><\/div>\n<p style=\"font-size: 13px; color: #888; margin-top: 15px; text-align: center;\">Shenzhen Tengxinjie Electronics Co. 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