[{"data":1,"prerenderedAt":376},["ShallowReactive",2],{"blog-what-is-solder-mask-it":3,"header-nav-it":46},{"title":4,"description":5,"date":6,"lastUpdated":6,"category":7,"image":8,"readingTime":9,"wordCount":10,"timeRequired":11,"htmlContent":12,"tags":13,"slug":21,"jsonld":22},"Cos'e il solder mask? Materiali, colori e regole di design PCB","Il solder mask protegge il rame e blocca i ponti di saldatura. Confronta resine LPI, colori (verde, nero, blu) e regole DFM per ponti e distanze.","2026-10-09","technology","/assets/img/pcb/multilayer/pcb-multilayer-pcb-hero.webp",2,338,"PT2M","\u003Ch2 id=\"punti-chiave\" data-anchor-en=\"key-takeaways\">Punti chiave\u003C/h2>\n\u003Cul>\n\u003Cli>\u003Cstrong>Cosa rappresenta:\u003C/strong> Un rivestimento polimerico permanente resistente al calore che protegge le tracce di rame lasciando scoperte solo le piazzole di saldatura.\u003C/li>\n\u003Cli>\u003Cstrong>Scopo primario:\u003C/strong> Previene la formazione di ponti di stagno durante il montaggio SMD e ad onda, protegge dall'ossidazione e fornisce isolamento dielettrico.\u003C/li>\n\u003Cli>\u003Cstrong>Tecnologia dominante:\u003C/strong> Il fotoresist liquido LPI (Liquid Photoimageable) polimerizzato tramite radiazione UV o laser diretto (LDI).\u003C/li>\n\u003Cli>\u003Cstrong>Colori e contrasto ottico:\u003C/strong> Il verde e lo standard primario per contrasto AOI e tenuta delle dighe (3,5--4,0 mil); disponibili anche nero, bianco, blu e rosso.\u003C/li>\n\u003Cli>\u003Cstrong>Regole DFM essenziali:\u003C/strong> Apertura del solder mask (+2 a +3 mil per lato) e spessore minimo del ponticello (3,5--4,0 mil).\u003C/li>\n\u003C/ul>\n\u003Cdiv data-component=\"BlogQuickQuoteInline\">\u003C/div>\n\n\u003Ch2 id=\"definizione-e-funzioni-del-solder-mask\" data-anchor-en=\"what-is-a-solder-mask-definition-and-purpose\">Definizione e funzioni del solder mask\u003C/h2>\n\u003Cp>Nella fabbricazione elettronica, il \u003Cstrong>solder mask\u003C/strong> (o maschera di saldatura) forma uno strato isolante fondamentale per confinare la lega di saldatura fusa e preservare il rame nudo dagli agenti atmosferici.\u003C/p>\n\u003Ch2 id=\"colori-del-solder-mask-a-confronto\" data-anchor-en=\"types-of-solder-mask-materials\">Colori del solder mask a confronto\u003C/h2>\n\u003Cul>\n\u003Cli>\u003Cstrong>Verde:\u003C/strong> Massima risoluzione, dighe stabili fino a 3,5 mil, minima fatica visiva per gli operatori.\u003C/li>\n\u003Cli>\u003Cstrong>Nero (opaco/lucido):\u003C/strong> Scelto per estetica premium in audio e computing.\u003C/li>\n\u003Cli>\u003Cstrong>Bianco:\u003C/strong> Riflettanza elevata per schede a tecnologia LED.\u003C/li>\n\u003Cli>\u003Cstrong>Blu e Rosso:\u003C/strong> Ottimo contrasto cromatico per schede madri e moduli di sviluppo.\u003C/li>\n\u003C/ul>\n\u003Ch2 id=\"domande-frequenti-sul-solder-mask\" data-anchor-en=\"why-lpi-dominates-the-industry\">Domande frequenti sul solder mask\u003C/h2>\n\u003Ch3 id=\"perche-la-maggior-parte-dei-pcb-e-verde\" data-anchor-en=\"pcb-solder-mask-colors-green-black-blue-and-beyond\">Perche la maggior parte dei PCB e verde?\u003C/h3>\n\u003Cp>Per motivi storici e di efficienza produttiva: la resina verde offre la migliore resa nei processi fotolitografici.\u003C/p>\n\u003Ch3 id=\"differenza-tra-piazzole-smd-e-nsmd\" data-anchor-en=\"why-is-the-pcb-green\">Differenza tra piazzole SMD e NSMD?\u003C/h3>\n\u003Cp>Nelle NSMD l'apertura del solder mask e piu grande della piazzola, garantendo migliore tenuta meccanica ai componenti BGA.\u003C/p>\n\u003Ch3 id=\"qual-e-lo-spessore-medio-della-maschera\" data-anchor-en=\"solder-mask-thickness-and-planar-coverage\">Qual e lo spessore medio della maschera?\u003C/h3>\n\u003Cp>Circa 10-15 µm sopra le piste di rame e 20-30 µm sulle aree prive di rame.\u003C/p>\n\u003Ch2 id=\"risorse-correlate-e-guide-tecniche\" data-anchor-en=\"critical-dfm-rules-clearances-dams-and-mask-defined-pads\">Risorse correlate e guide tecniche\u003C/h2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"/it/blog/what-is-dfm\">/blog/what-is-dfm\u003C/a> - Comprehensive PCB Design for Manufacturing guidelines\u003C/li>\n\u003Cli>\u003Ca href=\"/it/pcb\">/pcb\u003C/a> - Full fabrication capabilities and solder mask tolerances\u003C/li>\n\u003Cli>\u003Ca href=\"/it/pcba\">/pcba\u003C/a> - High-speed SMT assembly and solder bridging prevention\u003C/li>\n\u003Cli>\u003Ca href=\"/it/materials\">/materials\u003C/a> - Complete PCB substrate and laminate material catalog\u003C/li>\n\u003C/ul>\n\n\u003Csection class=\"related-links\" aria-label=\"Related\">\u003Ch3>Related links\u003C/h3>\u003Cul>\u003Cli>\u003Ca href=\"/it/blog/what-is-dfm\">/blog/what-is-dfm\u003C/a>\u003C/li>\u003Cli>\u003Ca href=\"/it/pcb\">/pcb\u003C/a>\u003C/li>\u003Cli>\u003Ca href=\"/it/pcba\">/pcba\u003C/a>\u003C/li>\u003Cli>\u003Ca href=\"/it/materials\">/materials\u003C/a>\u003C/li>\u003C/ul>\u003C/section>",[14,15,16,17,18,19,20],"Solder Mask","Solder Resist","PCB Colors","LPI Solder Mask","Solder Bridge","PCB DFM","Solder Dam","what-is-solder-mask",{"blog":23,"breadcrumb":32,"faq":45},{"@context":24,"@type":25,"headline":4,"description":5,"image":8,"url":26,"datePublished":6,"dateModified":6,"timeRequired":11,"keywords":27,"articleSection":7,"author":28,"publisher":31},"https://schema.org","BlogPosting","https://aptpcb.com/it/blog/what-is-solder-mask","Solder Mask, Solder 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