{"id":5148,"date":"2026-04-13T15:01:44","date_gmt":"2026-04-13T07:01:44","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5148"},"modified":"2026-04-13T15:01:44","modified_gmt":"2026-04-13T07:01:44","slug":"quali-aree-non-devono-essere-rivestite-su-pcb","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/it\/quali-aree-non-devono-essere-rivestite-su-pcb\/","title":{"rendered":"Quali aree non devono essere rivestite sul PCB?"},"content":{"rendered":"<h3 data-section-id=\"zecr6s\" data-start=\"0\" data-end=\"43\">Rivestito su PCB<\/h3>\n<p data-start=\"45\" data-end=\"404\">Durante <strong data-start=\"52\" data-end=\"73\">Rivestimento conforme<\/strong> in <strong data-start=\"77\" data-end=\"93\">Assemblaggio di PCB<\/strong>, <strong data-start=\"95\" data-end=\"121\">Assemblaggio di prototipi di PCB<\/strong>, e <strong data-start=\"127\" data-end=\"143\">Assemblaggio SMT<\/strong>, \u00e8 essenziale definire <strong data-start=\"171\" data-end=\"189\">aree di esclusione<\/strong>-aree che devono rimanere prive di rivestimento per garantire prestazioni elettriche, connettivit\u00e0 e manutenibilit\u00e0 adeguate. Rivestire le aree sbagliate pu\u00f2 portare a un contatto insufficiente, a problemi di segnale o addirittura al completo fallimento del prodotto.<\/p>\n<figure id=\"attachment_5149\" aria-describedby=\"caption-attachment-5149\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5149\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-areas-should-not-be-coated-on-PCB.jpg\" alt=\"Quali aree non devono essere rivestite sul PCB\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-areas-should-not-be-coated-on-PCB.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-areas-should-not-be-coated-on-PCB-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-areas-should-not-be-coated-on-PCB-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-areas-should-not-be-coated-on-PCB-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5149\" class=\"wp-caption-text\">Quali aree non devono essere rivestite sul PCB<\/figcaption><\/figure>\n<p data-start=\"406\" data-end=\"460\">Di seguito sono riportate le aree chiave che dovrebbero <strong data-start=\"442\" data-end=\"449\">non<\/strong> essere rivestito:<\/p>\n<p data-start=\"462\" data-end=\"781\"><strong data-start=\"462\" data-end=\"493\">Connettori e pin di contatto<\/strong><br data-start=\"493\" data-end=\"496\" \/>Tutti i connettori, le dita dei bordi, le prese e le piazzole di contatto devono rimanere non rivestiti. Applicazione <a href=\"https:\/\/txjpcba.com\/it\/rivestimento-conformale\/\"><strong data-start=\"583\" data-end=\"604\">Rivestimento conforme<\/strong><\/a> su queste superfici possono bloccare la conduttivit\u00e0 elettrica e impedire il corretto accoppiamento con cavi o moduli. Questo \u00e8 uno dei requisiti di mascheratura pi\u00f9 critici in <strong data-start=\"764\" data-end=\"780\">Assemblaggio di PCB<\/strong>.<\/p>\n<p data-start=\"783\" data-end=\"1083\"><strong data-start=\"783\" data-end=\"825\">Punti di test e interfacce di programmazione<\/strong><br data-start=\"825\" data-end=\"828\" \/>Le piazzole di prova, i punti di sonda e le intestazioni di programmazione devono essere mantenute libere dal rivestimento per consentire i test elettrici, il debug e gli aggiornamenti del firmware. In <a href=\"https:\/\/txjpcba.com\/it\/assemblaggio-di-prototipi-di-pcb\/\"><strong data-start=\"973\" data-end=\"999\">Assemblaggio di prototipi di PCB<\/strong><\/a>, L'accesso a questi punti \u00e8 particolarmente importante per la convalida e la risoluzione dei problemi.<\/p>\n<p data-start=\"1085\" data-end=\"1327\"><strong data-start=\"1085\" data-end=\"1123\">Interruttori e componenti meccanici<\/strong><br data-start=\"1123\" data-end=\"1126\" \/>Pulsanti, rel\u00e8, ponticelli e altre parti mobili non devono essere rivestiti. Il rivestimento pu\u00f2 interferire con il funzionamento meccanico o causare l'incollaggio dei componenti, riducendo la funzionalit\u00e0 del sistema. <strong data-start=\"1301\" data-end=\"1317\">Assemblaggio SMT<\/strong> prodotti.<\/p>\n<p data-start=\"1329\" data-end=\"1612\"><strong data-start=\"1329\" data-end=\"1366\">Dissipatori di calore e interfacce termiche<\/strong><br data-start=\"1366\" data-end=\"1369\" \/>Le aree progettate per la dissipazione del calore, come i dissipatori di calore, le piazzole termiche o i componenti di potenza, dovrebbero in genere rimanere non rivestite o utilizzare rivestimenti termici specializzati. I rivestimenti standard possono agire come isolanti termici, riducendo l'efficienza del trasferimento di calore.<\/p>\n<p data-start=\"1614\" data-end=\"1917\"><strong data-start=\"1614\" data-end=\"1645\">Spazi liberi per l'alta tensione<\/strong><br data-start=\"1645\" data-end=\"1648\" \/>Alcune aree ad alta tensione possono richiedere una distanza controllata per garantire sicurezza e prestazioni. Se da un lato il rivestimento pu\u00f2 migliorare l'isolamento, dall'altro un'applicazione impropria pu\u00f2 colmare le lacune o intrappolare i contaminanti, compromettendo l'affidabilit\u00e0. \u00c8 necessaria un'attenta considerazione del progetto in fase di <a href=\"https:\/\/txjpcba.com\/it\/assemblaggio-pcb\/\"><strong data-start=\"1900\" data-end=\"1916\">Assemblaggio di PCB<\/strong><\/a>.<\/p>\n<p data-start=\"1919\" data-end=\"2097\"><strong data-start=\"1919\" data-end=\"1959\">Punti di messa a terra e aree di schermatura<\/strong><br data-start=\"1959\" data-end=\"1962\" \/>Le zone di schermatura metallica o i contatti di messa a terra devono rimanere esposti per garantire una schermatura elettromagnetica e una messa a terra adeguate.<\/p>\n<p data-start=\"2099\" data-end=\"2336\"><strong data-start=\"2099\" data-end=\"2151\">Connettori per segnali ad alta frequenza (aree RF)<\/strong><br data-start=\"2151\" data-end=\"2154\" \/>Nei circuiti RF, il rivestimento pu\u00f2 alterare l'impedenza o le caratteristiche del segnale. Le aree sensibili, come le antenne o i connettori RF, potrebbero dover rimanere non rivestite o richiedere materiali speciali.<\/p>\n<p data-start=\"2338\" data-end=\"2595\"><strong data-start=\"2338\" data-end=\"2376\">Componenti ottici (LED, sensori)<\/strong><br data-start=\"2376\" data-end=\"2379\" \/>Le lenti LED, i sensori ottici e gli elementi di visualizzazione non dovrebbero essere rivestiti, poich\u00e9 il rivestimento pu\u00f2 bloccare o distorcere la trasmissione della luce. In <a href=\"https:\/\/txjpcba.com\/it\/servizi-di-assemblaggio-smt\/\"><strong data-start=\"2510\" data-end=\"2526\">Assemblaggio SMT<\/strong><\/a>, La mascheratura di queste aree \u00e8 fondamentale per mantenere le prestazioni ottiche.<\/p>\n<p data-start=\"2597\" data-end=\"2675\"><strong data-start=\"2597\" data-end=\"2627\">Perch\u00e9 \u00e8 importante una corretta mascheratura<\/strong><br data-start=\"2627\" data-end=\"2630\" \/>La mancata protezione di queste aree pu\u00f2 portare a:<\/p>\n<ul data-start=\"2676\" data-end=\"2813\">\n<li data-section-id=\"1maykgx\" data-start=\"2676\" data-end=\"2707\">Collegamenti elettrici inadeguati<\/li>\n<li data-section-id=\"g3m918\" data-start=\"2708\" data-end=\"2744\">Difficolt\u00e0 di collaudo e riparazione<\/li>\n<li data-section-id=\"h9gk9i\" data-start=\"2745\" data-end=\"2781\">Guasto meccanico dei componenti<\/li>\n<li data-section-id=\"nrq7tr\" data-start=\"2782\" data-end=\"2813\">Prestazioni termiche ridotte<\/li>\n<\/ul>\n<p data-start=\"2815\" data-end=\"2970\">In <strong data-start=\"2818\" data-end=\"2844\">Assemblaggio di prototipi di PCB<\/strong>, Gli ingegneri definiscono le zone di mascheramento gi\u00e0 nella fase di progettazione e le convalidano con test prima della produzione in serie.<\/p>\n<p data-start=\"2972\" data-end=\"2992\"><strong data-start=\"2972\" data-end=\"2990\">Le migliori pratiche<\/strong><\/p>\n<ul data-start=\"2993\" data-end=\"3186\">\n<li data-section-id=\"11850sk\" data-start=\"2993\" data-end=\"3040\">Contrassegnare chiaramente le zone di esclusione nei file di progettazione<\/li>\n<li data-section-id=\"1b0gpcv\" data-start=\"3041\" data-end=\"3086\">Utilizzare nastri per mascheratura, stivali o maschere liquide.<\/li>\n<li data-section-id=\"aiwt6\" data-start=\"3087\" data-end=\"3128\">Applicare un rivestimento selettivo per la precisione<\/li>\n<li data-section-id=\"1g1bg98\" data-start=\"3129\" data-end=\"3186\">Eseguire l'ispezione post-rivestimento per verificare la pulizia<\/li>\n<\/ul>\n<p data-start=\"3188\" data-end=\"3464\">In conclusione, non tutte le aree di un PCB devono essere rivestite. La corretta identificazione e protezione delle zone sensibili durante <strong data-start=\"3307\" data-end=\"3323\">Assemblaggio di PCB<\/strong>, <strong data-start=\"3325\" data-end=\"3341\">Assemblaggio SMT<\/strong>, e <strong data-start=\"3347\" data-end=\"3373\">Assemblaggio di prototipi di PCB<\/strong> garantire che <strong data-start=\"3386\" data-end=\"3407\">Rivestimento conforme<\/strong> migliora l'affidabilit\u00e0 senza compromettere la funzionalit\u00e0.<\/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;\">Richiedete un preventivo per il rivestimento conforme<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">Dal prototipo alla produzione di massa, forniamo servizi di rivestimento conforme. Richiedete subito un preventivo.<br \/>\nInviateci i vostri requisiti e riceverete una risposta rapida dal nostro team di ingegneri.<\/p>\n<p style=\"font-size: 14px; color: #333; margin-bottom: 20px;\">\u2714 Risposta in 24 ore \u2714 Supporto ingegneristico \u2714 Produzione di piccole dimensioni e di massa<\/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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file.<\/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\">Si prega di comprimere tutti i file Gerber, i file di foratura e la distinta base in un unico file .ZIP o .RAR per una pi\u00f9 rapida elaborazione.<\/div><\/div><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\">Messaggio<\/label><textarea id=\"wpforms-2237-field_2\" class=\"wpforms-field-medium\" name=\"wpforms[fields][2]\" 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