{"id":4943,"date":"2026-04-08T14:36:14","date_gmt":"2026-04-08T06:36:14","guid":{"rendered":"https:\/\/txjpcba.com\/?p=4943"},"modified":"2026-04-08T14:36:14","modified_gmt":"2026-04-08T06:36:14","slug":"quel-revetement-est-utilise-dans-les-circuits-imprimes-aerospatiaux","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/fr\/quel-revetement-est-utilise-dans-les-circuits-imprimes-aerospatiaux\/","title":{"rendered":"Quel rev\u00eatement est utilis\u00e9 dans les circuits imprim\u00e9s pour l'a\u00e9rospatiale ?"},"content":{"rendered":"<h2 data-start=\"0\" data-end=\"42\"><strong data-start=\"0\" data-end=\"42\">Le rev\u00eatement est utilis\u00e9 dans les circuits imprim\u00e9s de l'a\u00e9rospatiale<\/strong><\/h2>\n<p data-start=\"44\" data-end=\"368\">L'\u00e9lectronique a\u00e9rospatiale fonctionne dans certains des environnements les plus difficiles - temp\u00e9ratures extr\u00eames, changements rapides de pression, vibrations et exposition \u00e0 l'humidit\u00e9 ou aux contaminants. En raison de ces conditions, <strong data-start=\"239\" data-end=\"260\">Rev\u00eatement conforme<\/strong> est essentiel dans l'a\u00e9rospatiale <strong data-start=\"287\" data-end=\"303\">Assemblage du circuit imprim\u00e9<\/strong> et <strong data-start=\"308\" data-end=\"324\">Assemblage SMT<\/strong> pour garantir la fiabilit\u00e9 et la s\u00e9curit\u00e9 \u00e0 long terme.<\/p>\n<figure id=\"attachment_4944\" aria-describedby=\"caption-attachment-4944\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-4944\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs.jpg\" alt=\"Quel rev\u00eatement est utilis\u00e9 dans les circuits imprim\u00e9s de l&#039;a\u00e9rospatiale ?\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-4944\" class=\"wp-caption-text\">Quel rev\u00eatement est utilis\u00e9 dans les circuits imprim\u00e9s de l'a\u00e9rospatiale ?<\/figcaption><\/figure>\n<p data-start=\"370\" data-end=\"414\"><strong data-start=\"370\" data-end=\"414\">Rev\u00eatements les plus couramment utilis\u00e9s dans l'a\u00e9rospatiale<\/strong><\/p>\n<p data-start=\"416\" data-end=\"537\">Il n'existe pas de rev\u00eatement universel unique, mais les types suivants sont les plus utilis\u00e9s dans l'a\u00e9rospatiale <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes-cle-en-main\/\"><strong data-start=\"512\" data-end=\"536\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong><\/a>:<\/p>\n<p data-start=\"539\" data-end=\"670\"><strong data-start=\"539\" data-end=\"593\">Rev\u00eatement en paryl\u00e8ne (premier choix pour les syst\u00e8mes critiques)<\/strong><br data-start=\"593\" data-end=\"596\" \/>Le paryl\u00e8ne est souvent consid\u00e9r\u00e9 comme l'\u00e9talon-or pour les applications a\u00e9rospatiales.<\/p>\n<ul data-start=\"672\" data-end=\"918\">\n<li data-section-id=\"1j7gtbf\" data-start=\"672\" data-end=\"744\">Rev\u00eatement ultra-mince, uniforme et sans st\u00e9nop\u00e9 (par d\u00e9p\u00f4t en phase vapeur)<\/li>\n<li data-section-id=\"ebhgun\" data-start=\"745\" data-end=\"808\">Excellente rigidit\u00e9 di\u00e9lectrique pour les circuits \u00e0 haute fiabilit\u00e9<\/li>\n<li data-section-id=\"r704pr\" data-start=\"809\" data-end=\"854\">R\u00e9sistance sup\u00e9rieure \u00e0 l'humidit\u00e9 et aux produits chimiques<\/li>\n<li data-section-id=\"fwtyo4\" data-start=\"855\" data-end=\"918\">Bonne performance \u00e0 des temp\u00e9ratures extr\u00eames et dans des conditions de vide<\/li>\n<\/ul>\n<p data-start=\"920\" data-end=\"1087\">En raison de sa fiabilit\u00e9, le paryl\u00e8ne est couramment utilis\u00e9 dans les satellites, l'avionique et les syst\u00e8mes critiques. Son principal inconv\u00e9nient est son co\u00fbt \u00e9lev\u00e9 et la complexit\u00e9 de son traitement.<\/p>\n<p data-start=\"1089\" data-end=\"1223\"><strong data-start=\"1089\" data-end=\"1133\">Rev\u00eatement conforme en silicone (largement utilis\u00e9)<\/strong><br data-start=\"1133\" data-end=\"1136\" \/>Silicone <strong data-start=\"1145\" data-end=\"1166\">Rev\u00eatement conforme<\/strong> est un autre choix populaire dans l'a\u00e9rospatiale <a href=\"https:\/\/txjpcba.com\/fr\/assemblage-de-circuits-imprimes\/\"><strong data-start=\"1206\" data-end=\"1222\">Assemblage du circuit imprim\u00e9<\/strong><\/a>.<\/p>\n<ul data-start=\"1225\" data-end=\"1419\">\n<li data-section-id=\"kyxhcf\" data-start=\"1225\" data-end=\"1281\">Excellente stabilit\u00e9 thermique (large gamme de temp\u00e9ratures)<\/li>\n<li data-section-id=\"xp5tsl\" data-start=\"1282\" data-end=\"1337\">Flexible \u2192 r\u00e9siste aux vibrations et aux cycles thermiques<\/li>\n<li data-section-id=\"1gjo8ue\" data-start=\"1338\" data-end=\"1366\">Bonne r\u00e9sistance \u00e0 l'humidit\u00e9<\/li>\n<li data-section-id=\"zwdb8x\" data-start=\"1367\" data-end=\"1419\">Excellentes performances dans les environnements de haute altitude<\/li>\n<\/ul>\n<p data-start=\"1421\" data-end=\"1555\">La silicone est souvent utilis\u00e9e dans l'avionique, les syst\u00e8mes de contr\u00f4le et l'\u00e9lectronique de puissance o\u00f9 la flexibilit\u00e9 et la r\u00e9sistance \u00e0 la temp\u00e9rature sont importantes.<\/p>\n<p data-start=\"1557\" data-end=\"1677\"><strong data-start=\"1557\" data-end=\"1607\">Rev\u00eatement en polyur\u00e9thane (pour la r\u00e9sistance chimique)<\/strong><br data-start=\"1607\" data-end=\"1610\" \/>Les rev\u00eatements en polyur\u00e9thane sont utilis\u00e9s lorsque l'exposition aux produits chimiques est pr\u00e9occupante.<\/p>\n<ul data-start=\"1679\" data-end=\"1823\">\n<li data-section-id=\"1vvmfnk\" data-start=\"1679\" data-end=\"1707\">Bonne rigidit\u00e9 di\u00e9lectrique<\/li>\n<li data-section-id=\"j1zroc\" data-start=\"1708\" data-end=\"1763\">Forte r\u00e9sistance aux carburants, aux solvants et aux produits chimiques<\/li>\n<li data-section-id=\"105ab0c\" data-start=\"1764\" data-end=\"1823\">Durable dans les environnements industriels difficiles de type a\u00e9rospatial<\/li>\n<\/ul>\n<p data-start=\"1825\" data-end=\"1892\">Cependant, ils sont moins flexibles que le silicone et plus difficiles \u00e0 retravailler.<\/p>\n<p data-start=\"1894\" data-end=\"1992\"><strong data-start=\"1894\" data-end=\"1939\">Rev\u00eatement \u00e9poxy (pour la durabilit\u00e9 m\u00e9canique)<\/strong><br data-start=\"1939\" data-end=\"1942\" \/>Epoxy <a href=\"https:\/\/txjpcba.com\/fr\/revetement-conforme\/\"><strong data-start=\"1948\" data-end=\"1969\">Rev\u00eatement conforme<\/strong><\/a> est parfois utilis\u00e9 pour :<\/p>\n<ul data-start=\"1994\" data-end=\"2074\">\n<li data-section-id=\"iagqko\" data-start=\"1994\" data-end=\"2022\">R\u00e9sistance m\u00e9canique \u00e9lev\u00e9e<\/li>\n<li data-section-id=\"j3pipb\" data-start=\"2023\" data-end=\"2074\">Excellente adh\u00e9rence et r\u00e9sistance \u00e0 l'environnement<\/li>\n<\/ul>\n<p data-start=\"2076\" data-end=\"2178\">Mais il est rigide, ce qui le rend moins adapt\u00e9 aux applications soumises \u00e0 de fortes vibrations ou \u00e0 des cycles thermiques.<\/p>\n<p data-start=\"2180\" data-end=\"2224\"><strong data-start=\"2180\" data-end=\"2224\">Pourquoi l'a\u00e9rospatiale a besoin de rev\u00eatements avanc\u00e9s<\/strong><\/p>\n<p data-start=\"2226\" data-end=\"2279\">Dans l'a\u00e9rospatiale <a href=\"https:\/\/txjpcba.com\/fr\/services-dassemblage-smt\/\"><strong data-start=\"2239\" data-end=\"2255\">Assemblage SMT<\/strong><\/a>, Les rev\u00eatements doivent r\u00e9pondre aux exigences suivantes<\/p>\n<ul data-start=\"2281\" data-end=\"2528\">\n<li data-section-id=\"j8p6k7\" data-start=\"2281\" data-end=\"2346\">Fluctuations extr\u00eames de la temp\u00e9rature (de tr\u00e8s basse \u00e0 tr\u00e8s haute)<\/li>\n<li data-section-id=\"1vpchkb\" data-start=\"2347\" data-end=\"2385\">Conditions de basse pression et de vide<\/li>\n<li data-section-id=\"13v72sk\" data-start=\"2386\" data-end=\"2426\">Vibrations et contraintes m\u00e9caniques \u00e9lev\u00e9es<\/li>\n<li data-section-id=\"1mo3bta\" data-start=\"2427\" data-end=\"2481\">Humidit\u00e9 et condensation pendant les op\u00e9rations au sol<\/li>\n<li data-section-id=\"644nb9\" data-start=\"2482\" data-end=\"2528\">Longue dur\u00e9e de vie avec un minimum d'entretien<\/li>\n<\/ul>\n<p data-start=\"2530\" data-end=\"2642\"><strong data-start=\"2530\" data-end=\"2551\">Rev\u00eatement conforme<\/strong> aide \u00e0 pr\u00e9venir la corrosion, les fuites \u00e9lectriques et les d\u00e9faillances dans ces conditions exigeantes.<\/p>\n<p data-start=\"2644\" data-end=\"2682\"><strong data-start=\"2644\" data-end=\"2682\">Normes et exigences de qualit\u00e9<\/strong><\/p>\n<p data-start=\"2684\" data-end=\"2761\">Les rev\u00eatements a\u00e9rospatiaux doivent g\u00e9n\u00e9ralement r\u00e9pondre \u00e0 des normes industrielles strictes, telles que :<\/p>\n<ul data-start=\"2763\" data-end=\"2905\">\n<li data-section-id=\"1u1d7gp\" data-start=\"2763\" data-end=\"2821\">IPC-CC-830 (qualification et performance des rev\u00eatements)<\/li>\n<li data-section-id=\"ws7o3x\" data-start=\"2822\" data-end=\"2905\">MIL-I-46058 (sp\u00e9cification militaire, aujourd'hui largement remplac\u00e9e mais toujours r\u00e9f\u00e9renc\u00e9e)<\/li>\n<\/ul>\n<p data-start=\"2907\" data-end=\"3014\">Ces normes sont souvent exig\u00e9es dans les contrats de certification. <strong data-start=\"2955\" data-end=\"2979\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong> pour les clients de l'a\u00e9rospatiale.<\/p>\n<p data-start=\"3016\" data-end=\"3030\"><strong data-start=\"3016\" data-end=\"3030\">Conclusion<\/strong><\/p>\n<p data-start=\"3032\" data-end=\"3452\">Les rev\u00eatements les plus couramment utilis\u00e9s dans les circuits imprim\u00e9s a\u00e9rospatiaux sont les suivants <strong data-start=\"3086\" data-end=\"3098\">paryl\u00e8ne<\/strong> et <strong data-start=\"3103\" data-end=\"3134\">rev\u00eatements conformes en silicone<\/strong>, avec du polyur\u00e9thane et de l'\u00e9poxy dans des cas sp\u00e9cifiques. Dans les cas de haute fiabilit\u00e9 <strong data-start=\"3208\" data-end=\"3224\">Assemblage du circuit imprim\u00e9<\/strong>, <strong data-start=\"3226\" data-end=\"3242\">Assemblage SMT<\/strong>, et <strong data-start=\"3248\" data-end=\"3272\">Assemblage de circuits imprim\u00e9s cl\u00e9s en main<\/strong>, Le choix du rev\u00eatement d\u00e9pend des conditions environnementales, des contraintes m\u00e9caniques et des exigences de performance. Pour les syst\u00e8mes a\u00e9rospatiaux critiques, la fiabilit\u00e9 l'emporte toujours sur le co\u00fbt.<\/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 des questions sur le rev\u00eatement conforme de votre circuit imprim\u00e9 ? Nos ing\u00e9nieurs sont pr\u00eats \u00e0 vous aider.<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: 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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\/4943\"><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. Ltd.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Coating is used in aerospace PCBs Aerospace electronics operate in some of the harshest environments\u2014extreme temperatures, rapid pressure changes, vibration, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4944,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[71,256],"tags":[520,519,522,521,394,395,396,415],"class_list":["post-4943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faqs","category-conformal-coating","tag-aerospace-pcb-coating","tag-coating-is-used-in-aerospace-pcbs","tag-high-reliability-pcb","tag-parylene-coating-aerospace","tag-pcb-insulation-spray","tag-pcb-lacquer-spray","tag-pcb-protection-spray","tag-silicone-coating-pcb"],"_links":{"self":[{"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/posts\/4943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/comments?post=4943"}],"version-history":[{"count":1,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/posts\/4943\/revisions"}],"predecessor-version":[{"id":4945,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/posts\/4943\/revisions\/4945"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/media\/4944"}],"wp:attachment":[{"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/media?parent=4943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/categories?post=4943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/txjpcba.com\/fr\/wp-json\/wp\/v2\/tags?post=4943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}