[{"data":1,"prerenderedAt":377},["ShallowReactive",2],{"blog-what-is-solder-mask-ar":3,"header-nav-ar":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},"ما هو قناع اللحام (Solder Mask)؟ المواد والألوان وقواعد التصميم","يحمي قناع اللحام النحاس ويمنع جسور القصدير. قارن مواد LPI وألوان اللوحات (أخضر، أسود، أزرق) وقواعد DFM للفواصل والخلوص.","2026-10-09","technology","/assets/img/pcb/multilayer/pcb-multilayer-pcb-hero.webp",2,325,"PT2M","\u003Ch2 id=\"key-takeaways\" data-anchor-en=\"key-takeaways\">النقاط الرئيسية\u003C/h2>\n\u003Cul>\n\u003Cli>\u003Cstrong>ما هو قناع اللحام:\u003C/strong> طبقة بوليمرية رقيقة ومقاومة للحرارة تغطي الطبقات النحاسية الخارجية، مع إبقاء نقاط التوصيل والفحص فقط مكشوفة.\u003C/li>\n\u003Cli>\u003Cstrong>الوظائف الأساسية:\u003C/strong> منع تكوّن جسور اللحام أثناء التجميع الآلي، وحماية النحاس من الأكسدة والتآكل، وتوفير العزل الكهربائي بين المسارات المتقاربة.\u003C/li>\n\u003Cli>\u003Cstrong>التقنية المعتمدة:\u003C/strong> قناع اللحام السائل القابل للتصوير الضوئي (LPI) بتقنية التعريض بالأشعة فوق البنفسجية أو الليزر المباشر (LDI).\u003C/li>\n\u003Cli>\u003Cstrong>الألوان والفحص البصري:\u003C/strong> يظل اللون الأخضر هو المعيار الصناعي لتوفيره أعلى تباين لأنظمة الفحص البصري الآلي (AOI) وأدق حواجز عازلة (3.5--4.0 ميل).\u003C/li>\n\u003Cli>\u003Cstrong>قواعد التصميم للتصنيع (DFM):\u003C/strong> خلوص القناع (+2 إلى +3 ميل لكل جانب) والحد الأدنى لعرض حاجز القناع (3.5 إلى 4.0 ميل).\u003C/li>\n\u003C/ul>\n\u003Cdiv data-component=\"BlogQuickQuoteInline\">\u003C/div>\n\n\u003Ch2 id=\"what-is-a-solder-mask-definition-and-purpose\" data-anchor-en=\"what-is-a-solder-mask-definition-and-purpose\">تعريف قناع اللحام والغرض منه\u003C/h2>\n\u003Cp>في تصنيع الإلكترونيات، يمثل \u003Cstrong>قناع اللحام\u003C/strong> (Solder Mask) طبقة حماية دائمة تمنع القصدير المنصهر من ملامسة المسارات النحاسية غير المخصصة للحام وتضمن متانة اللوحة.\u003C/p>\n\u003Ch2 id=\"types-of-solder-mask-materials\" data-anchor-en=\"types-of-solder-mask-materials\">مقارنة ألوان قناع اللحام (أخضر، أسود، أزرق، أبيض)\u003C/h2>\n\u003Cul>\n\u003Cli>\u003Cstrong>الأخضر:\u003C/strong> أعلى دقة تصنيعية، وأسرع معالجة حرارية، وأسهل للفحص البصري.\u003C/li>\n\u003Cli>\u003Cstrong>الأسود (غير لامع ولامع):\u003C/strong> مظهر عصري فاخر للإلكترونيات الاستهلاكية وأجهزة الصوت.\u003C/li>\n\u003Cli>\u003Cstrong>الأبيض:\u003C/strong> انعكاسية ضوئية ممتازة تصل إلى 90%، مخصص للوحات إضاءة LED.\u003C/li>\n\u003Cli>\u003Cstrong>الأزرق والأحمر:\u003C/strong> تباين لوني واضح للنماذج الأولية ولوحات التطوير.\u003C/li>\n\u003C/ul>\n\u003Ch2 id=\"why-lpi-dominates-the-industry\" data-anchor-en=\"why-lpi-dominates-the-industry\">الأسئلة الشائعة حول قناع اللحام\u003C/h2>\n\u003Ch3 id=\"pcb-solder-mask-colors-green-black-blue-and-beyond\" data-anchor-en=\"pcb-solder-mask-colors-green-black-blue-and-beyond\">لماذا تتميز معظم اللوحات المطبوعة باللون الأخضر؟\u003C/h3>\n\u003Cp>تاريخياً يعود ذلك للمواصفات العسكرية القديمة، وعملياً يوفر اللون الأخضر أعلى دقة لتشكيل الحواجز العازلة وأقل إجهاد للعين.\u003C/p>\n\u003Ch3 id=\"smd-nsmd\" data-anchor-en=\"why-is-the-pcb-green\">ما الفرق بين وسادات SMD و NSMD؟\u003C/h3>\n\u003Cp>في NSMD يكون خلوص القناع أكبر من وسادة النحاس مما يسمح للحام بإحاطة حواف النحاس ويعزز ثبات مكونات BGA.\u003C/p>\n\u003Ch3 id=\"solder-mask-thickness-and-planar-coverage\" data-anchor-en=\"solder-mask-thickness-and-planar-coverage\">ما هي سماكة قناع اللحام المعتادة؟\u003C/h3>\n\u003Cp>تتراوح بين 10 إلى 15 ميكرومتر فوق حواف النحاس و 20 إلى 30 ميكرومتر فوق السطح العازل.\u003C/p>\n\u003Ch2 id=\"critical-dfm-rules-clearances-dams-and-mask-defined-pads\" data-anchor-en=\"critical-dfm-rules-clearances-dams-and-mask-defined-pads\">موارد وأدلة تقنية ذات صلة\u003C/h2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"/ar/blog/what-is-dfm\">/blog/what-is-dfm\u003C/a> - Comprehensive PCB Design for Manufacturing guidelines\u003C/li>\n\u003Cli>\u003Ca href=\"/ar/pcb\">/pcb\u003C/a> - Full fabrication capabilities and solder mask tolerances\u003C/li>\n\u003Cli>\u003Ca href=\"/ar/pcba\">/pcba\u003C/a> - High-speed SMT assembly and solder bridging prevention\u003C/li>\n\u003Cli>\u003Ca href=\"/ar/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=\"/ar/blog/what-is-dfm\">/blog/what-is-dfm\u003C/a>\u003C/li>\u003Cli>\u003Ca href=\"/ar/pcb\">/pcb\u003C/a>\u003C/li>\u003Cli>\u003Ca href=\"/ar/pcba\">/pcba\u003C/a>\u003C/li>\u003Cli>\u003Ca href=\"/ar/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/ar/blog/what-is-solder-mask","Solder Mask, Solder Resist, PCB Colors, LPI Solder Mask, Solder Bridge, PCB DFM, Solder Dam",{"@type":29,"name":30},"Organization","APTPCB",{"@type":29,"name":30},{"@context":24,"@type":33,"itemListElement":34},"BreadcrumbList",[35,40,43],{"@type":36,"position":37,"name":38,"item":39},"ListItem",1,"Home","https://aptpcb.com/",{"@type":36,"position":9,"name":41,"item":42},"Blog","https://aptpcb.com/ar/blog",{"@type":36,"position":44,"name":21,"item":26},3,null,{"pcbManufacturingColumns":47,"capabilityColumns":171,"resourceColumns":207,"pcbaColumns":252},[48,96,125,154],{"heading":49,"links":50},"فئات منتجات 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والمواد",[101,104,107,110,113,116,119,122],{"label":102,"path":103},"PCB ‏Rogers","/materials/rf-rogers",{"label":105,"path":106},"PCB ‏Taconic","/materials/taconic-pcb",{"label":108,"path":109},"PCB تفلون","/materials/teflon-pcb",{"label":111,"path":112},"PCB ‏Arlon","/materials/arlon-pcb",{"label":114,"path":115},"PCB ‏Megtron","/materials/megtron-pcb",{"label":117,"path":118},"PCB ‏ISOLA","/materials/isola-pcb",{"label":120,"path":121},"Spread Glass FR-4","/materials/spread-glass-fr4",{"label":123,"path":124},"تراصات ذات معاوقة مضبوطة","/pcb/pcb-stack-up",{"sections":126},[127],{"heading":128,"links":129},"التصنيع / تراصات الطبقات",[130,133,136,139,142,145,148,151],{"label":131,"path":132},"نماذج أولية سريعة","/pcb/quick-turn-pcb",{"label":134,"path":135},"NPI ودفعات صغيرة (PCB)","/pcb/npi-small-batch-pcb-manufacturing",{"label":137,"path":138},"إنتاج كميات كبيرة","/pcb/mass-production-pcb-manufacturing",{"label":140,"path":141},"PCB عالي عدد 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DFM)","/pcb/pcb-quality",[172,177,182,187,192,197,202],{"links":173},[174],{"label":175,"path":176},"قدرات PCB الصلب","/capabilities/rigid-pcb",{"links":178},[179],{"label":180,"path":181},"قدرات PCB الصلب-المرن","/capabilities/rigid-flex-pcb",{"links":183},[184],{"label":185,"path":186},"قدرات PCB المرن","/capabilities/flex-pcb",{"links":188},[189],{"label":190,"path":191},"قدرات PCB ‏HDI","/capabilities/hdi-pcb",{"links":193},[194],{"label":195,"path":196},"قدرات PCB ذو قلب معدني","/capabilities/metal-pcb",{"links":198},[199],{"label":200,"path":201},"قدرات PCB الخزفي","/capabilities/ceramic-pcb",{"links":203},[204],{"label":205,"path":206},"قدرات PCB النحاس الثقيل","/capabilities/heavy-copper-pcb",[208,219,243],{"heading":209,"links":210},"التنزيلات",[211,214,217],{"label":212,"path":213},"مواصفات المواد / ملاحظات المعالجة","/resources/downloads-materials",{"label":215,"path":216},"إرشادات DFM للـ PCB","/resources/dfm-guidelines",{"label":152,"path":218},"/pcb/multi-layer-laminated-structure",{"heading":220,"links":221},"الأدوات",[222,225,228,231,234,237,240],{"label":223,"path":224},"عارض Gerber","/tools/gerber-viewer",{"label":226,"path":227},"عارض PCB","/tools/pcb-viewer",{"label":229,"path":230},"عارض BOM","/tools/bom-viewer",{"label":232,"path":233},"عارض ثلاثي الأبعاد","/tools/3d-viewer",{"label":235,"path":236},"محاكاة الدوائر","/tools/circuit-simulator",{"label":238,"path":239},"حاسبة المعاوقة","/tools/impedance-calculator",{"label":241,"path":242},"حاسبة عرض المسار","/tools/trace-width-calculator",{"heading":244,"links":245},"الأسئلة الشائعة والمدونة",[246,249],{"label":247,"path":248},"الأسئلة الشائعة","/resources/faq",{"label":250,"path":251},"المدونة","/blog",[253,283,307,340],{"heading":254,"links":255},"الخدمات الأساسية",[256,259,262,265,268,271,274,277,280],{"label":257,"path":258},"تجميع PCB بنظام Turnkey","/pcba/turnkey-assembly",{"label":260,"path":261},"تجميع 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