{"id":5217,"date":"2026-03-13T08:29:00","date_gmt":"2026-03-13T00:29:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5217"},"modified":"2026-03-10T16:28:31","modified_gmt":"2026-03-10T08:28:31","slug":"pcb-via-design-rules-for-reliable-manufacturing","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/","title":{"rendered":"PCB-Via-Designregeln f\u00fcr eine zuverl\u00e4ssige Fertigung"},"content":{"rendered":"<p>Durchkontaktierungen sind wesentliche Strukturen in mehrlagigen PCB-Designs. Sie erm\u00f6glichen elektrische Verbindungen zwischen verschiedenen Kupferschichten und eine kompakte Leiterbahnf\u00fchrung in modernen elektronischen Systemen.<\/p><p>Schlecht gestaltete Durchkontaktierungen k\u00f6nnen jedoch ernsthafte Fertigungs- und Zuverl\u00e4ssigkeitsprobleme verursachen, u. a:<\/p><ul class=\"wp-block-list\"><li>schwacher Kupfer\u00fcberzug<\/li>\n\n<li>unzuverl\u00e4ssige elektrische Verbindungen<\/li>\n\n<li>Reduzierte PCB-Ausbeute<\/li>\n\n<li>erh\u00f6hte Herstellungskosten<\/li><\/ul><p>Um diese Probleme zu vermeiden, m\u00fcssen Ingenieure Folgendes beachten <strong>PCB \u00fcber Designregeln, die sich an den tats\u00e4chlichen Fertigungsm\u00f6glichkeiten orientieren<\/strong>.<\/p><p>Dieser Leitfaden erl\u00e4utert die wichtigsten Design\u00fcberlegungen und deren Optimierung f\u00fcr eine zuverl\u00e4ssige Leiterplattenfertigung.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"381\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design.jpg\" alt=\"PCB-Via-Design\" class=\"wp-image-5218\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-300x191.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhalts\u00fcbersicht<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#What_Is_a_PCB_Via\" >Was ist ein PCB-Via?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Types_of_PCB_Vias\" >Arten von PCB-Durchkontaktierungen<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Through-Hole_Via\" >Durchgangsbohrung \u00fcber<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Blind_Via\" >Blind Via<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Buried_Via\" >Begraben \u00fcber<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Microvia\" >Microvia<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Key_PCB_Via_Design_Rules\" >Wichtige PCB-Via-Designregeln<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#1_Via_Hole_Size\" >1. Gr\u00f6\u00dfe des Durchgangslochs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#2_Via_Aspect_Ratio\" >2. \u00dcber das Seitenverh\u00e4ltnis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#3_Annular_Ring_Size\" >3. Gr\u00f6\u00dfe des Ringes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#4_Via-to-Via_Spacing\" >4. Via-zu-Via-Abstand<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#5_Via_Pad_Size\" >5. Via Pad Gr\u00f6\u00dfe<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#How_to_Design_Reliable_PCB_Vias_Practical_Workflow\" >Wie man zuverl\u00e4ssige PCB-Durchkontaktierungen entwirft (Praktischer Arbeitsablauf)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Common_PCB_Via_Design_Mistakes\" >H\u00e4ufige Fehler beim PCB-Via-Design<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Using_extremely_small_vias_unnecessarily\" >Unn\u00f6tige Verwendung extrem kleiner Durchkontaktierungen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Ignoring_aspect_ratio_limits\" >Nichtbeachtung der Grenzen des Seitenverh\u00e4ltnisses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Insufficient_annular_rings\" >Unzureichende ringf\u00f6rmige Ringe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Excessive_via_density\" >\u00dcberh\u00f6hte Durchgangsdichte<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Manufacturing_Considerations_for_Via_Reliability\" >Fertigungs\u00fcberlegungen f\u00fcr Via-Zuverl\u00e4ssigkeit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#Conclusion\" >Schlussfolgerung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#PCB_via_FAQ\" >PCB \u00fcber FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_a_PCB_Via\"><\/span>Was ist ein PCB-Via?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>A <strong>PCB \u00fcber<\/strong> ist ein plattiertes Loch, das Kupferschichten in einer Leiterplatte miteinander verbindet.<\/p><p>Vias werden in der Regel durch die folgenden Schritte erstellt:<\/p><ol class=\"wp-block-list\"><li>Bohren des Lochs<\/li>\n\n<li>Aufbringen einer Kupferschicht im Inneren des Lochs<\/li>\n\n<li>Herstellung elektrischer Verbindungen zwischen Schichten<\/li><\/ol><p>Dieser Prozess ist Teil des Standardarbeitsablaufs bei der Leiterplattenherstellung, der in beschrieben wird: <strong><a href=\"https:\/\/topfastpcba.com\/pcb-manufacturing-processes-2\/\">PCB-Herstellungsprozess erkl\u00e4rt<\/a><\/strong><br><\/p><p>Da Durchkontaktierungen pr\u00e4zise Bohrungen und Beschichtungen erfordern, m\u00fcssen ihre Abmessungen innerhalb der herstellbaren Grenzen bleiben.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_PCB_Vias\"><\/span>Arten von PCB-Durchkontaktierungen<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Je nach Komplexit\u00e4t der Leiterplatte werden unterschiedliche Via-Strukturen verwendet.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Through-Hole_Via\"><\/span>Durchgangsbohrung \u00fcber<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Der h\u00e4ufigste Typ.<\/p><p>Merkmale:<\/p><ul class=\"wp-block-list\"><li>durch die gesamte Leiterplatte gebohrt<\/li>\n\n<li>verbindet alle Ebenen<\/li>\n\n<li>niedrigste Herstellungskosten<\/li>\n\n<li>h\u00f6chste Zuverl\u00e4ssigkeit<\/li><\/ul><p>Diese Durchkontaktierungen werden h\u00e4ufig in Standard-Multilayer-Platten verwendet.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Blind_Via\"><\/span>Blind Via<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Blind Vias verbinden eine \u00e4u\u00dfere Lage mit einer oder mehreren inneren Lagen, f\u00fchren aber nicht durch die gesamte Leiterplatte.<\/p><p>Vorteile:<\/p><ul class=\"wp-block-list\"><li>spart Platz beim Routing<\/li>\n\n<li>unterst\u00fctzt High-Density-Layouts<\/li><\/ul><p>Beschr\u00e4nkungen:<\/p><ul class=\"wp-block-list\"><li>komplexere Herstellung<\/li>\n\n<li>H\u00f6here Herstellungskosten<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buried_Via\"><\/span>Begraben \u00fcber<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Vergrabene Durchkontaktierungen verbinden innere Schichten, sind aber von der Oberfl\u00e4che aus nicht sichtbar.<\/p><p>Merkmale:<\/p><ul class=\"wp-block-list\"><li>verwendet in komplexen mehrlagigen Leiterplatten<\/li>\n\n<li>erfordert sequenzielle Laminierung<\/li>\n\n<li>erh\u00f6ht die Komplexit\u00e4t der Fertigung<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Microvia\"><\/span>Microvia<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Microvias sind extrem kleine Durchkontaktierungen, die in <strong>HDI-Platinen<\/strong>.<\/p><p>Typische Merkmale:<\/p><ul class=\"wp-block-list\"><li>Durchmesser &lt; 150 \u00b5m<\/li>\n\n<li>lasergebohrt<\/li>\n\n<li>gestapelte oder gestaffelte Strukturen<\/li><\/ul><p>Mikrovias erfordern spezielle Herstellungsverfahren.<\/p><p>Die bei der Erstellung von Vias verwendeten Bohrtechnologien werden in er\u00f6rtert: <strong><a href=\"https:\/\/www.topfastpcb.com\/de\/blog\/pcb-drilling-vs-laser-drilling\/\">PCB-Bohren vs. Laserbohren<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"379\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-1.jpg\" alt=\"PCB-Via-Design\" class=\"wp-image-5219\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-1-300x190.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_PCB_Via_Design_Rules\"><\/span>Wichtige PCB-Via-Designregeln<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Die Einhaltung der richtigen Designregeln tr\u00e4gt dazu bei, dass Durchkontaktierungen zuverl\u00e4ssig hergestellt werden k\u00f6nnen.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Via_Hole_Size\"><\/span>1. Gr\u00f6\u00dfe des Durchgangslochs<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Der fertige Lochdurchmesser ist einer der wichtigsten Parameter.<\/p><p>Typische Standardwerte:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00dcber Typ<\/th><th>Typische Gr\u00f6\u00dfe<\/th><\/tr><\/thead><tbody><tr><td>Standard \u00fcber<\/td><td>0,2-0,4 mm<\/td><\/tr><tr><td>Klein \u00fcber<\/td><td>0,15-0,2 mm<\/td><\/tr><tr><td>Microvia<\/td><td>&lt;0,15 mm<\/td><\/tr><\/tbody><\/table><\/figure><p>Kleinere L\u00f6cher erh\u00f6hen die Schwierigkeit des Bohrens und die Komplexit\u00e4t der Beschichtung.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Via_Aspect_Ratio\"><\/span>2. \u00dcber das Seitenverh\u00e4ltnis<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Das Seitenverh\u00e4ltnis ist definiert als:<\/p><pre class=\"wp-block-preformatted\">Plattendicke \u00f7 Bohrlochdurchmesser<\/pre><p>Beispiel:<\/p><pre class=\"wp-block-preformatted\">1,6 mm Platte \/ 0,3 mm Loch = 5,3 Seitenverh\u00e4ltnis<\/pre><p>Typische Herstellungsgrenzen:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Technologie<\/th><th>Bildseitenverh\u00e4ltnis<\/th><\/tr><\/thead><tbody><tr><td>Standard PCB<\/td><td>8:1 - 10:1<\/td><\/tr><tr><td>Erweiterte PCB<\/td><td>bis zu 12:1<\/td><\/tr><\/tbody><\/table><\/figure><p>Hohe Aspektverh\u00e4ltnisse erschweren die gleichm\u00e4\u00dfige Kupferbeschichtung im Inneren des Via Barrels.<\/p><p>Die Zuverl\u00e4ssigkeit der Verkupferung wird in erl\u00e4utert: <strong><a href=\"https:\/\/www.topfastpcb.com\/de\/blog\/copper-plating-process-in-pcb-manufacturing-explained\/\">Verkupferungsprozess in der PCB-Herstellung<\/a><\/strong><\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Annular_Ring_Size\"><\/span>3. Gr\u00f6\u00dfe des Ringes<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Der Ring ist der Kupferbereich, der das gebohrte Loch umgibt.<\/p><p>Ein minimaler Ring gew\u00e4hrleistet eine ordnungsgem\u00e4\u00dfe elektrische Verbindung.<\/p><p>Typischer Leitfaden:<\/p><pre class=\"wp-block-preformatted\">Minimaler ringf\u00f6rmiger Ring: 4-5 mil<\/pre><p>Wenn der Ring zu klein wird, kann die Bohrtoleranz zu Ausbr\u00fcchen f\u00fchren.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Via-to-Via_Spacing\"><\/span>4. Via-zu-Via-Abstand<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Eng beieinander liegende Durchkontaktierungen k\u00f6nnen Bohr- und Beschichtungsprobleme verursachen.<\/p><p>Typische Abstandsrichtlinien:<\/p><pre class=\"wp-block-preformatted\">Abstand von Durchgang zu Durchgang \u2265 8 mil<\/pre><p>Ein ausreichender Abstand verhindert auch Kurzschl\u00fcsse zwischen den Pads.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Via_Pad_Size\"><\/span>5. Via Pad Gr\u00f6\u00dfe<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Die Zwischenlagen m\u00fcssen gro\u00df genug sein, um die Bohrtoleranzen auszugleichen.<\/p><p>Typische Beziehung:<\/p><pre class=\"wp-block-preformatted\">Pad-Durchmesser = Bohrdurchmesser + 10-12 mil<\/pre><p>Beispiel:<\/p><pre class=\"wp-block-preformatted\">0,3 mm Bohrer \u2192 0,55 mm Pad<\/pre><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Design_Reliable_PCB_Vias_Practical_Workflow\"><\/span>Wie man zuverl\u00e4ssige PCB-Durchkontaktierungen entwirft (Praktischer Arbeitsablauf)<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">Ingenieure folgen bei der Definition von Via-Strukturen in der Regel einem einfachen Prozess.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1773129594572\"><strong class=\"schema-how-to-step-name\">Schritt 1 - Bestimmung der Routingdichte<\/strong> <p class=\"schema-how-to-step-text\">Designs mit hoher Packungsdichte k\u00f6nnen Microvias oder Blind Vias erfordern.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773129641908\"><strong class=\"schema-how-to-step-name\">Schritt 2 - Auswahl einer herstellbaren Bohrergr\u00f6\u00dfe<\/strong> <p class=\"schema-how-to-step-text\">Vermeiden Sie extrem kleine Durchkontaktierungen, es sei denn, sie sind f\u00fcr HDI-Designs erforderlich.<br\/>Standardbohrergr\u00f6\u00dfen verbessern die Ausbeute bei der Herstellung.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773129667368\"><strong class=\"schema-how-to-step-name\">Schritt 3 - \u00dcberpr\u00fcfung des Seitenverh\u00e4ltnisses<\/strong> <p class=\"schema-how-to-step-text\">Stellen Sie sicher, dass der Durchmesser der Durchkontaktierung eine zuverl\u00e4ssige Verkupferung erm\u00f6glicht.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773129716142\"><strong class=\"schema-how-to-step-name\">Schritt 4 - Beibehaltung des richtigen Ringes<\/strong> <p class=\"schema-how-to-step-text\">Pr\u00fcfen Sie die Pad-Gr\u00f6\u00dfen anhand der Bohrtoleranzen.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773129721905\"><strong class=\"schema-how-to-step-name\">Schritt 5 - DFM-Pr\u00fcfungen durchf\u00fchren<\/strong> <p class=\"schema-how-to-step-text\">Die DFM-Analyse stellt sicher, dass das Via-Design den Fertigungsm\u00f6glichkeiten entspricht.<br\/>Der DFM-Verifizierungsprozess wird in beschrieben:<br\/>\u2192 <strong>PCB DFM-Checkliste vor dem Versenden von Gerber-Dateien<\/strong><br\/><\/p> <\/li><\/ol><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_PCB_Via_Design_Mistakes\"><\/span>H\u00e4ufige Fehler beim PCB-Via-Design<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Mehrere h\u00e4ufige Konstruktionsfehler k\u00f6nnen zu Fertigungsproblemen f\u00fchren.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_extremely_small_vias_unnecessarily\"><\/span>Unn\u00f6tige Verwendung extrem kleiner Durchkontaktierungen<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kleine Durchkontaktierungen erschweren das Bohren und Beschichten.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_aspect_ratio_limits\"><\/span>Nichtbeachtung der Grenzen des Seitenverh\u00e4ltnisses<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Hohe Aspektverh\u00e4ltnisse k\u00f6nnen zu einer schlechten Kupferabscheidung f\u00fchren.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Insufficient_annular_rings\"><\/span>Unzureichende ringf\u00f6rmige Ringe<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kleine Ringe erh\u00f6hen das Ausbruchsrisiko beim Bohren.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Excessive_via_density\"><\/span>\u00dcberh\u00f6hte Durchgangsdichte<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Zu viele Durchkontaktierungen k\u00f6nnen die Verkleidung und den Fertigungsertrag erschweren.<\/p><p>Strategien zur Verkleidung werden in er\u00f6rtert: <strong>PCB-Panelization-Design-Richtlinien<\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"303\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-2.jpg\" alt=\"PCB-Via-Design\" class=\"wp-image-5220\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-2-300x152.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Via-Design-2-18x9.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations_for_Via_Reliability\"><\/span>Fertigungs\u00fcberlegungen f\u00fcr Via-Zuverl\u00e4ssigkeit<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Professionelle Leiterplattenhersteller \u00fcberpr\u00fcfen in der Regel Via-Strukturen w\u00e4hrend der CAM-Analyse.<\/p><p>Sie bewerten:<\/p><ul class=\"wp-block-list\"><li>\u00fcber Gr\u00f6\u00dfen und Bohrtabellen<\/li>\n\n<li>Seitenverh\u00e4ltnisse<\/li>\n\n<li>Ringringtoleranzen<\/li>\n\n<li>Beschichtungsanforderungen<\/li><\/ul><p>Bei Herstellern wie <strong>TOPFAST<\/strong>Vor Beginn der Fertigung f\u00fchren die Entwicklungsteams eine DFM-Verifizierung durch, um sicherzustellen, dass die Via-Strukturen den Anforderungen an Produktionsf\u00e4higkeit und Zuverl\u00e4ssigkeit entsprechen.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Schlussfolgerung<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Durchkontaktierungen sind grundlegende Elemente beim Design von mehrlagigen Leiterplatten, aber ihre Zuverl\u00e4ssigkeit h\u00e4ngt stark von den richtigen Designparametern ab.<\/p><p>Durch die Einhaltung praktischer Designregeln - einschlie\u00dflich geeigneter Lochgr\u00f6\u00dfen, Seitenverh\u00e4ltnisse, Ringringe und Abst\u00e4nde - k\u00f6nnen Ingenieure die Herstellbarkeit von Leiterplatten und die langfristige Zuverl\u00e4ssigkeit erheblich verbessern.<\/p><p>Eine gute Koordination zwischen den Designteams und den Leiterplattenherstellern tr\u00e4gt auch dazu bei, dass die Via-Strukturen sowohl den elektrischen als auch den Fertigungsanforderungen entsprechen.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCB_via_FAQ\"><\/span>PCB \u00fcber FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1773128923268\"><strong class=\"schema-faq-question\">F: Was ist die Standardgr\u00f6\u00dfe f\u00fcr PCB-Vias?<\/strong> <p class=\"schema-faq-answer\">A: Typische Standardgr\u00f6\u00dfen f\u00fcr Durchgangsl\u00f6cher reichen von <strong>0,2 mm bis 0,4 mm<\/strong>je nach Komplexit\u00e4t der Leiterplatte und Fertigungsm\u00f6glichkeiten.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773128945856\"><strong class=\"schema-faq-question\">F: Was ist das Seitenverh\u00e4ltnis eines PCB-Vias?<\/strong> <p class=\"schema-faq-answer\">A: Das Seitenverh\u00e4ltnis ist das Verh\u00e4ltnis von <strong>Plattendicke zu Durchgangslochdurchmesser<\/strong>. Die meisten Standard-PCBs halten Verh\u00e4ltnisse unter <strong>10:1<\/strong> um eine zuverl\u00e4ssige Beschichtung zu gew\u00e4hrleisten.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773129000215\"><strong class=\"schema-faq-question\">F: Was passiert, wenn ein Via-Seitenverh\u00e4ltnis zu hoch ist?<\/strong> <p class=\"schema-faq-answer\">A: Bei einem hohen Aspektverh\u00e4ltnis ist es schwierig, das Kupfer gleichm\u00e4\u00dfig in der Bohrung zu verteilen, was zu Problemen mit der elektrischen Zuverl\u00e4ssigkeit f\u00fchren kann.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773129017094\"><strong class=\"schema-faq-question\">F: Sind Mikrovias zuverl\u00e4ssiger als Standardvias?<\/strong> <p class=\"schema-faq-answer\">A: Microvias sind bei korrektem Design zuverl\u00e4ssig, erfordern aber spezielle HDI-Fertigungsprozesse und sind teurer als Standard-Vias.<\/p> <\/div> <\/div><p><\/p>","protected":false},"excerpt":{"rendered":"<p>PCB-Vias sind kritische Strukturen, die Kupferlagen in mehrlagigen Leiterplatten miteinander verbinden. Das korrekte Design von Durchkontaktierungen wirkt sich direkt auf die Herstellbarkeit von Leiterplatten, die elektrische Zuverl\u00e4ssigkeit und den Produktionsertrag aus. In diesem Artikel werden die wichtigsten Regeln f\u00fcr das Design von Leiterplatten-Durchkontaktierungen erl\u00e4utert, darunter die Gr\u00f6\u00dfen der Durchgangsl\u00f6cher, die Grenzwerte f\u00fcr das Seitenverh\u00e4ltnis, die Anforderungen an den Ring und die Abstandsrichtlinien. Au\u00dferdem werden g\u00e4ngige Via-Typen wie Durchkontaktierungen, Blind Vias, vergrabene Vias und Microvias verglichen. Durch das Verst\u00e4ndnis dieser Designparameter und ihre Abstimmung mit den realen PCB-Fertigungsm\u00f6glichkeiten k\u00f6nnen Ingenieure das Fertigungsrisiko verringern und die langfristige Produktzuverl\u00e4ssigkeit verbessern.<\/p>","protected":false},"author":1,"featured_media":5221,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[445],"class_list":["post-5217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-via"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Via Design Rules for Reliable Manufacturing: Sizes, Types and Best Practices<\/title>\n<meta name=\"description\" content=\"Learn PCB via design rules for reliable manufacturing, including via sizes, aspect ratios, microvias, and plating considerations to improve PCB 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What is the standard PCB via size?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Typical standard via hole sizes range from <strong>0.2 mm to 0.4 mm<\/strong>, depending on PCB complexity and manufacturing capability.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773128945856\",\"position\":2,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773128945856\",\"name\":\"Q: What is the aspect ratio of a PCB via?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Aspect ratio is the ratio of <strong>board thickness to via hole diameter<\/strong>. Most standard PCBs maintain ratios below <strong>10:1<\/strong> to ensure reliable plating.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773129000215\",\"position\":3,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773129000215\",\"name\":\"Q: What happens if a via aspect ratio is too high?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: High aspect ratios make it difficult to plate copper evenly inside the hole, which can cause electrical reliability problems.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773129017094\",\"position\":4,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773129017094\",\"name\":\"Q: Are microvias more reliable than standard vias?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Microvias are reliable when designed correctly, but they require specialized HDI manufacturing processes and are more expensive than standard vias.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#howto-1\",\"name\":\"PCB Via Design Rules for Reliable Manufacturing\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#article\"},\"description\":\"Engineers usually follow a simple process when defining via structures.\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#how-to-step-1773129594572\",\"name\":\"Step 1 \u2014 Determine routing density\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"High-density designs may require microvias or blind vias.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#how-to-step-1773129641908\",\"name\":\"Step 2 \u2014 Choose a manufacturable drill size\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Avoid extremely small vias unless required for HDI designs.<br\/>Standard drill sizes improve fabrication yield.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#how-to-step-1773129667368\",\"name\":\"Step 3 \u2014 Verify aspect ratio\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Ensure the via hole diameter supports reliable copper plating.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#how-to-step-1773129716142\",\"name\":\"Step 4 \u2014 Maintain proper annular ring\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Check pad sizes against drilling tolerances.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#how-to-step-1773129721905\",\"name\":\"Step 5 \u2014 Run DFM checks\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"DFM analysis ensures the via design fits manufacturing capabilities.<br\/>The DFM 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What is the standard PCB via size?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Typical standard via hole sizes range from <strong>0.2 mm to 0.4 mm<\/strong>, depending on PCB complexity and manufacturing capability.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773128945856","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/pcb-via-design-rules-for-reliable-manufacturing\/#faq-question-1773128945856","name":"Q: What is the aspect ratio of a PCB via?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Aspect ratio is the ratio of <strong>board thickness to via hole diameter<\/strong>. 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