{"id":5046,"date":"2026-04-09T10:54:03","date_gmt":"2026-04-09T02:54:03","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5046"},"modified":"2026-04-09T10:54:03","modified_gmt":"2026-04-09T02:54:03","slug":"what-are-conformal-coating-process-steps","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/fr\/what-are-conformal-coating-process-steps\/","title":{"rendered":"What are conformal coating process steps?"},"content":{"rendered":"<h2 data-section-id=\"1w6dt9v\" data-start=\"0\" data-end=\"47\"><span role=\"text\"><strong data-start=\"12\" data-end=\"33\">Rev\u00eatement conforme<\/strong> process steps<\/span><\/h2>\n<p data-start=\"49\" data-end=\"344\">En <strong data-start=\"52\" data-end=\"68\">Assemblage du circuit imprim\u00e9<\/strong> et <strong data-start=\"73\" data-end=\"89\">Assemblage SMT<\/strong>, le <strong data-start=\"95\" data-end=\"116\">Rev\u00eatement conforme<\/strong> process follows a series of controlled steps to ensure reliable protection against moisture, dust, chemicals, and environmental stress. Proper execution of each step is critical for coating performance and long-term durability.<\/p>\n<figure id=\"attachment_5047\" aria-describedby=\"caption-attachment-5047\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5047\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-are-conformal-coating-process-steps.jpg\" alt=\"What are conformal coating process steps\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-are-conformal-coating-process-steps.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-are-conformal-coating-process-steps-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-are-conformal-coating-process-steps-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-are-conformal-coating-process-steps-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5047\" class=\"wp-caption-text\">What are conformal coating process steps<\/figcaption><\/figure>\n<h3 data-section-id=\"k1gwmw\" data-start=\"346\" data-end=\"375\">Inspection before coating<\/h3>\n<p data-start=\"377\" data-end=\"452\">Before applying <a href=\"https:\/\/txjpcba.com\/fr\/revetement-conforme\/\"><strong data-start=\"393\" data-end=\"414\">Rev\u00eatement conforme<\/strong><\/a>, the PCB must be carefully inspected.<\/p>\n<ul data-start=\"454\" data-end=\"607\">\n<li data-section-id=\"1qs9epy\" data-start=\"454\" data-end=\"508\">Check for solder defects, contamination, or damage<\/li>\n<li data-section-id=\"1tfvodc\" data-start=\"509\" data-end=\"557\">Ensure all components are properly assembled<\/li>\n<li data-section-id=\"t4v4sa\" data-start=\"558\" data-end=\"607\">Verify that the board meets quality standards<\/li>\n<\/ul>\n<p data-start=\"609\" data-end=\"698\">Any defects left before coating can become difficult to repair later in <strong data-start=\"681\" data-end=\"697\">Assemblage du circuit imprim\u00e9<\/strong>.<\/p>\n<h3 data-section-id=\"1fxwzfv\" data-start=\"700\" data-end=\"720\">Cleaning the PCB<\/h3>\n<p data-start=\"722\" data-end=\"803\">Cleaning is one of the most important steps in the <strong data-start=\"773\" data-end=\"794\">Rev\u00eatement conforme<\/strong> processus.<\/p>\n<ul data-start=\"805\" data-end=\"995\">\n<li data-section-id=\"l1w4rg\" data-start=\"805\" data-end=\"865\">Remove flux residues, oils, dust, and ionic contaminants<\/li>\n<li data-section-id=\"6lo04l\" data-start=\"866\" data-end=\"932\">Use solvent cleaning, aqueous cleaning, or ultrasonic cleaning<\/li>\n<li data-section-id=\"x1t55e\" data-start=\"933\" data-end=\"995\">Ensure the surface is chemically clean for proper adhesion<\/li>\n<\/ul>\n<p data-start=\"997\" data-end=\"1067\">Poor cleaning can lead to coating failure, delamination, or corrosion.<\/p>\n<h3 data-section-id=\"epjy9u\" data-start=\"1069\" data-end=\"1100\">Drying and moisture removal<\/h3>\n<p data-start=\"1102\" data-end=\"1149\">After cleaning, the PCB must be completely dry.<\/p>\n<ul data-start=\"1151\" data-end=\"1253\">\n<li data-section-id=\"1wtd200\" data-start=\"1151\" data-end=\"1206\">Use ovens or air drying to remove residual moisture<\/li>\n<li data-section-id=\"1pjvofa\" data-start=\"1207\" data-end=\"1253\">Prevent trapped moisture under the coating<\/li>\n<\/ul>\n<p data-start=\"1255\" data-end=\"1336\">This step is essential in <a href=\"https:\/\/txjpcba.com\/fr\/services-dassemblage-smt\/\"><strong data-start=\"1281\" data-end=\"1297\">Assemblage SMT<\/strong><\/a> to avoid long-term reliability issues.<\/p>\n<h3 data-section-id=\"1l6g51u\" data-start=\"1338\" data-end=\"1349\">Masking<\/h3>\n<p data-start=\"1351\" data-end=\"1400\">Masking protects areas that should not be coated.<\/p>\n<ul data-start=\"1402\" data-end=\"1493\">\n<li data-section-id=\"t6huzo\" data-start=\"1402\" data-end=\"1452\">Connectors, switches, test points, and sockets<\/li>\n<li data-section-id=\"152a5ce\" data-start=\"1453\" data-end=\"1493\">Use tapes, boots, or removable masks<\/li>\n<\/ul>\n<p data-start=\"1495\" data-end=\"1578\">Accurate masking ensures functionality is not affected after <strong data-start=\"1556\" data-end=\"1577\">Rev\u00eatement conforme<\/strong>.<\/p>\n<h3 data-section-id=\"12nnc85\" data-start=\"1580\" data-end=\"1603\">Coating application<\/h3>\n<p data-start=\"1605\" data-end=\"1676\">Les <strong data-start=\"1609\" data-end=\"1630\">Rev\u00eatement conforme<\/strong> is then applied using one of several methods:<\/p>\n<ul data-start=\"1678\" data-end=\"1887\">\n<li data-section-id=\"17fnpbc\" data-start=\"1678\" data-end=\"1721\"><strong data-start=\"1680\" data-end=\"1697\">Rev\u00eatement par pulv\u00e9risation<\/strong> (manual or automated)<\/li>\n<li data-section-id=\"11n0mss\" data-start=\"1722\" data-end=\"1741\"><strong data-start=\"1724\" data-end=\"1739\">Rev\u00eatement par immersion<\/strong><\/li>\n<li data-section-id=\"uexieh\" data-start=\"1742\" data-end=\"1790\"><strong data-start=\"1744\" data-end=\"1761\">Rev\u00eatement au pinceau<\/strong> (for repair or low volume)<\/li>\n<li data-section-id=\"2sy3z6\" data-start=\"1791\" data-end=\"1838\"><strong data-start=\"1793\" data-end=\"1814\">Rev\u00eatement s\u00e9lectif<\/strong> (automated precision)<\/li>\n<li data-section-id=\"1lyp6o2\" data-start=\"1839\" data-end=\"1887\"><strong data-start=\"1841\" data-end=\"1861\">Vapor deposition<\/strong> (for parylene coatings)<\/li>\n<\/ul>\n<p data-start=\"1889\" data-end=\"1973\">The choice depends on production scale and product requirements in <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes\/\"><strong data-start=\"1956\" data-end=\"1972\">Assemblage du circuit imprim\u00e9<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"exexdu\" data-start=\"1975\" data-end=\"1985\">Curing<\/h3>\n<p data-start=\"1987\" data-end=\"2059\">After application, the coating must be cured to form a protective layer.<\/p>\n<ul data-start=\"2061\" data-end=\"2217\">\n<li data-section-id=\"rdfymj\" data-start=\"2061\" data-end=\"2098\"><strong data-start=\"2063\" data-end=\"2075\">Air cure<\/strong> (common for acrylic)<\/li>\n<li data-section-id=\"ad1vvd\" data-start=\"2099\" data-end=\"2138\"><strong data-start=\"2101\" data-end=\"2114\">Heat cure<\/strong> (epoxy, polyurethane)<\/li>\n<li data-section-id=\"v7mbjt\" data-start=\"2139\" data-end=\"2175\"><strong data-start=\"2141\" data-end=\"2152\">UV cure<\/strong> (fast and efficient)<\/li>\n<li data-section-id=\"guza8k\" data-start=\"2176\" data-end=\"2217\"><strong data-start=\"2178\" data-end=\"2195\">Moisture cure<\/strong> (silicone coatings)<\/li>\n<\/ul>\n<p data-start=\"2219\" data-end=\"2303\">Proper curing ensures the coating achieves its mechanical and electrical properties.<\/p>\n<h3 data-section-id=\"yaxu1l\" data-start=\"2305\" data-end=\"2339\">Inspection and quality control<\/h3>\n<p data-start=\"2341\" data-end=\"2396\">Once cured, the coating is inspected to ensure quality.<\/p>\n<ul data-start=\"2398\" data-end=\"2536\">\n<li data-section-id=\"9fyhe5\" data-start=\"2398\" data-end=\"2443\">Visual inspection under white or UV light<\/li>\n<li data-section-id=\"ub51me\" data-start=\"2444\" data-end=\"2496\">Check for coverage, thickness, bubbles, or voids<\/li>\n<li data-section-id=\"1qlguoy\" data-start=\"2497\" data-end=\"2536\">Verify no unwanted areas are coated<\/li>\n<\/ul>\n<p data-start=\"2538\" data-end=\"2617\">Automated inspection systems are often used in advanced <strong data-start=\"2594\" data-end=\"2610\">Assemblage SMT<\/strong> lines.<\/p>\n<h3 data-section-id=\"1m7hv68\" data-start=\"2619\" data-end=\"2645\">Testing and validation<\/h3>\n<p data-start=\"2647\" data-end=\"2715\">Final testing ensures the coated PCB meets performance requirements.<\/p>\n<ul data-start=\"2717\" data-end=\"2831\">\n<li data-section-id=\"5yxb5c\" data-start=\"2717\" data-end=\"2739\">Electrical testing<\/li>\n<li data-section-id=\"1ytgq8b\" data-start=\"2740\" data-end=\"2797\">Environmental testing (humidity, temperature cycling)<\/li>\n<li data-section-id=\"r9k4j7\" data-start=\"2798\" data-end=\"2831\">Adhesion and thickness checks<\/li>\n<\/ul>\n<p data-start=\"2833\" data-end=\"2899\">This step confirms reliability in real-world operating conditions.<\/p>\n<h3 data-section-id=\"8ep03t\" data-start=\"2901\" data-end=\"2921\">Conclusion finale<\/h3>\n<p data-start=\"2923\" data-end=\"3229\">Les <strong data-start=\"2927\" data-end=\"2948\">Rev\u00eatement conforme<\/strong> process in <strong data-start=\"2960\" data-end=\"2976\">Assemblage du circuit imprim\u00e9<\/strong> et <strong data-start=\"2981\" data-end=\"2997\">Assemblage SMT<\/strong> includes inspection, cleaning, drying, masking, coating application, curing, and final inspection. Each step plays a critical role in ensuring that the coating provides effective and long-lasting protection for electronic circuits.<\/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 avez besoin d'un d\u00e9lai d'ex\u00e9cution rapide pour vos projets de rev\u00eatement conforme ? Soumettez votre demande d\u00e8s aujourd'hui.<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: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n--wpforms-container-shadow-size-box-shadow: none;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-render-modern\" id=\"wpforms-2237\"><form id=\"wpforms-form-2237\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"2237\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/fr\/wp-json\/wp\/v2\/posts\/5046?wpforms_form_id=2237\" data-token=\"7183856adf6b8166b3959aed694d12cf\" data-token-time=\"1775945743\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/5046?wpforms_form_id=2237\"><noscript class=\"wpforms-error-noscript\">Veuillez activer JavaScript dans votre navigateur pour remplir ce formulaire.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Veuillez activer JavaScript dans votre navigateur pour remplir ce formulaire.<\/div><div class=\"wpforms-field-container\"><div id=\"wpforms-2237-field_0-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"0\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_0\">Nom<\/label><input type=\"text\" id=\"wpforms-2237-field_0\" class=\"wpforms-field-medium\" name=\"wpforms[fields][0]\" aria-errormessage=\"wpforms-2237-field_0-error\" ><\/div><div id=\"wpforms-2237-field_1-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"1\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_1\">Courriel <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-2237-field_1\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][1]\" spellcheck=\"false\" aria-errormessage=\"wpforms-2237-field_1-error\" required><\/div><div id=\"wpforms-2237-field_11-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"11\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_11\">WhatsAPP<\/label><input type=\"text\" id=\"wpforms-2237-field_11\" class=\"wpforms-field-medium\" name=\"wpforms[fields][11]\" aria-errormessage=\"wpforms-2237-field_11-error\" ><\/div><div id=\"wpforms-2237-field_10-container\" class=\"wpforms-field wpforms-field-radio\" data-field-id=\"10\"><fieldset><legend 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 - 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Si vous avez des exigences sp\u00e9cifiques concernant le mat\u00e9riau de rev\u00eatement (par exemple, HumiSeal), veuillez le mentionner dans la bo\u00eete de message ci-dessous.<\/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\/5046\"><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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