{"id":295,"date":"2026-05-06T08:08:00","date_gmt":"2026-05-06T00:08:00","guid":{"rendered":"https:\/\/www.han-sphere.com\/?p=295"},"modified":"2026-05-11T00:17:13","modified_gmt":"2026-05-10T16:17:13","slug":"rigid-flex-pcb-design-guidelines","status":"publish","type":"post","link":"https:\/\/www.han-sphere.com\/de\/blog\/news\/rigid-flex-pcb-design-guidelines\/","title":{"rendered":"Richtlinien f\u00fcr das Design starrer und flexibler Leiterplatten: Technik f\u00fcr Langlebigkeit und Ausbeute"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Starrflexible Leiterplatten bieten das Beste aus beiden Welten: die strukturelle Integrit\u00e4t starrer Leiterplatten und die r\u00e4umliche Flexibilit\u00e4t flexibler Schaltungen. Allerdings sind sie auch am komplexesten in der Herstellung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unter <strong>HanSphere<\/strong>, Viele Konstruktionen versagen aufgrund von \u201cmechanischer Erm\u00fcdung\u201d oder \u201cRissbildung\u201d an den \u00dcbergangszonen. Dieser Leitfaden konzentriert sich auf die <strong>Entwurf f\u00fcr die Fertigung (DFM)<\/strong> Regeln, die sicherstellen, dass Ihr Rigid-Flex-Projekt auf Anhieb erfolgreich ist.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"451\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/04\/Rigid-flex-PCB.jpg\" alt=\"Starrflex-Leiterplatte\" class=\"wp-image-660\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/04\/Rigid-flex-PCB.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/04\/Rigid-flex-PCB-300x226.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/04\/Rigid-flex-PCB-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">1. Die Goldene Regel: Der Biegeradius<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Der h\u00e4ufigste Fehler bei starr-flexiblen Konstruktionen ist die \u00dcberbeanspruchung des flexiblen Substrats.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Einseitiger Flex:<\/strong> Der Biegeradius sollte mindestens <strong>6x<\/strong> die Biegedicke.<\/li>\n\n\n\n<li><strong>Doppelseitiger Flex:<\/strong> Der Biegeradius sollte mindestens <strong>10x<\/strong> die Biegedicke.<\/li>\n\n\n\n<li><strong>Dynamic Flex (Wiederholbares Biegen):<\/strong> Angestrebt werden <strong>20x+<\/strong> Dicke, um eine Kaltverfestigung des Kupfers und einen eventuellen Bruch zu verhindern.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. Integrit\u00e4t der \u00dcbergangszone<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Der Bereich, in dem die starre Platte auf den flexiblen Abschnitt trifft, ist ein stark beanspruchter Punkt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vermeiden Sie Vias in den \u00dcberg\u00e4ngen:<\/strong> Platzieren Sie niemals Durchkontaktierungen oder Bauteilpads innerhalb <strong>50mil (1,27mm)<\/strong> der Schnittstelle zwischen starr und flexibel.<\/li>\n\n\n\n<li><strong>Entlastungsfilets belasten:<\/strong> Verwenden Sie an den \u00dcberg\u00e4ngen abgerundete Hohlkehlen\u201c, um die mechanische Belastung zu verteilen.<\/li>\n\n\n\n<li><strong>Klebstoffabdeckung:<\/strong> Stellen Sie sicher, dass die Deckschicht den starren Abschnitt um mindestens <strong>30 Millionen<\/strong> um Sch\u00e4len zu verhindern.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. Erweiterte Routing-Strategien<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Flex-Schaltungen erfordern eine andere Routing-Philosophie als FR-4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vermeiden Sie 90-Grad-Ecken:<\/strong> Verwenden Sie abgerundete Spuren oder 45-Grad-Winkel. Scharfe Ecken wirken wie \u201cSpannungskonzentratoren\u201d, an denen Risse entstehen.<\/li>\n\n\n\n<li><strong>Gestaffelte Spuren:<\/strong> Bei doppelseitigem Flex sollten Sie die Leiterbahnen nicht direkt \u00fcbereinander legen. Versetzen Sie sie, um den \u201cI-Beam\u201d-Effekt zu verringern, der die Leiterplatte zu steif und anf\u00e4llig f\u00fcr Risse macht.<\/li>\n\n\n\n<li><strong>Schraffierte Grundrissebenen:<\/strong> Verwenden Sie anstelle von massiven Kupfert\u00f6pfen ein <strong>Diamant-Schraffurmuster<\/strong> f\u00fcr Massefl\u00e4chen im Flexbereich. Dadurch wird die EMI-Abschirmung aufrechterhalten, w\u00e4hrend die Flexibilit\u00e4t erhalten bleibt.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. Optimierte Starr-Flex-Stapelung (Beispiel)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ein standardm\u00e4\u00dfiger 4-lagiger Starr-Flex-Aufbau sieht in der Regel wie folgt aus:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Oberste Schicht (starr):<\/strong> Signal \/ Komponenten<\/li>\n\n\n\n<li><strong>Interne Schicht 2 (Flex):<\/strong> Masse \/ Signal (Polyimidkern)<\/li>\n\n\n\n<li><strong>Interne Schicht 3 (Flex):<\/strong> Leistung \/ Signal (Polyimidkern)<\/li>\n\n\n\n<li><strong>Untere Schicht (starr):<\/strong> Signal \/ Komponenten<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>HanSphere Factory Tipp:<\/strong> Wir empfehlen dringend die Verwendung von <strong>Klebstofflose Grundmaterialien<\/strong>. Sie sind d\u00fcnner und zuverl\u00e4ssiger f\u00fcr das bleifreie L\u00f6ten bei hohen Temperaturen als herk\u00f6mmliche klebstoffbasierte Kerne.<\/p>\n<\/blockquote>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"416\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-17.jpg\" alt=\"Starr-Flex-Leiterplatte\" class=\"wp-image-453\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-17.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-17-300x208.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-17-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Wie Sie Ihre Dateien f\u00fcr HanSphere vorbereiten<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\"><\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1778429452905\"><strong class=\"schema-how-to-step-name\">Definieren Sie die Biegeanforderungen:<\/strong> <p class=\"schema-how-to-step-text\">Markieren Sie die \u201cBiegelinien\u201d und \u201cBiegebereiche\u201d deutlich auf einer separaten mechanischen Ebene.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1778429505171\"><strong class=\"schema-how-to-step-name\">Abdeckungs\u00f6ffnungen angeben:<\/strong> <p class=\"schema-how-to-step-text\">Verwenden Sie einen Ma\u00dfstab von 1:1 f\u00fcr Coverlay-\u00d6ffnungen, um eine pr\u00e4zise Ausrichtung der L\u00f6tmaske zu gew\u00e4hrleisten.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1778429540859\"><strong class=\"schema-how-to-step-name\">Materialbeschreibungen:<\/strong> <p class=\"schema-how-to-step-text\">Legen Sie die Dicke des Polyimids (PI) und das Gewicht des Kupfers klar fest (z. B. 0,5 Unzen sind f\u00fcr eine bessere Flexibilit\u00e4t vorzuziehen).<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1778429546339\"><strong class=\"schema-how-to-step-name\">Finale DRC:<\/strong> <p class=\"schema-how-to-step-text\">F\u00fchren Sie eine spezielle Flex-Aware\u201c-DRC-Pr\u00fcfung durch, wenn Ihre Software (wie Altium) dies unterst\u00fctzt.<\/p> <\/li><\/ol><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e4ufig gestellte Fragen (FAQ)<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1778429576361\"><strong class=\"schema-faq-question\"><strong>F: Kann ich f\u00fcr den starren Teil einer starr-flexiblen Leiterplatte Standard-FR-4 verwenden?<\/strong><\/strong> <p class=\"schema-faq-answer\">A: Ja, HanSphere verwendet hochwertiges FR-4 in Kombination mit Polyimid (Kapton) f\u00fcr die flexiblen Schichten, um die thermische Stabilit\u00e4t w\u00e4hrend der Montage zu gew\u00e4hrleisten.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778429584597\"><strong class=\"schema-faq-question\"><strong>F: Warum bekommt meine flexible Schaltung bei der Installation Risse?<\/strong><\/strong> <p class=\"schema-faq-answer\">A: Dies wird in der Regel durch einen zu engen Biegeradius oder durch zu nahe an der Biegelinie platzierte \u201cAbschlusspunkte\u201d (wie Durchkontaktierungen) verursacht.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778429593593\"><strong class=\"schema-faq-question\"><strong>F: Bietet HanSphere Rigid-Flex-Prototypen an?<\/strong><\/strong> <p class=\"schema-faq-answer\">A: Ja. Wir sind sowohl auf das Rapid Prototyping als auch auf die Massenproduktion spezialisiert. Pr\u00fcfen Sie unser <a href=\"https:\/\/www.han-sphere.com\/rigid-flex-pcb\/\">Starr-Flex<\/a> M\u00f6glichkeiten f\u00fcr spezifische Toleranzdaten.<\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Beherrschen Sie das Design starr-flexibler Leiterplatten mit unseren Expertenrichtlinien. Erfahren Sie mehr \u00fcber kritische Biegeradien, das Routing von \u00dcbergangszonen und die Optimierung von Stapeln, um sicherzustellen, dass Ihre faltbare Elektronik langlebig und herstellbar ist.<\/p>","protected":false},"author":1,"featured_media":290,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[29],"class_list":["post-295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-rigid-flex-pcb-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rigid-Flex PCB Design Guidelines: 2026 DFM Rules for Reliability | HanSphere<\/title>\n<meta name=\"description\" content=\"Master rigid-flex PCB design with our expert guidelines. Learn about critical bend radius ratios, transition zone routing, and stackup optimization to ensure your foldable electronics are durable and manufacturable.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.han-sphere.com\/de\/blog\/news\/rigid-flex-pcb-design-guidelines\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rigid-Flex PCB Design Guidelines: 2026 DFM Rules for Reliability | HanSphere\" \/>\n<meta property=\"og:description\" content=\"Master rigid-flex PCB design with our expert guidelines. Learn about critical bend radius ratios, transition zone routing, and stackup optimization to ensure your foldable electronics are durable and manufacturable.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.han-sphere.com\/de\/blog\/news\/rigid-flex-pcb-design-guidelines\/\" \/>\n<meta property=\"og:site_name\" content=\"hansphere\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-06T00:08:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-10T16:17:13+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/01\/flex-pcb-design-13.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"478\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hansphere01\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"hansphere01\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"3\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/rigid-flex-pcb-design-guidelines\/\",\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/rigid-flex-pcb-design-guidelines\/\",\"name\":\"Rigid-Flex PCB Design Guidelines: 2026 DFM Rules for Reliability | HanSphere\",\"isPartOf\":{\"@id\":\"https:\/\/www.han-sphere.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/rigid-flex-pcb-design-guidelines\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/rigid-flex-pcb-design-guidelines\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/01\/flex-pcb-design-13.jpg\",\"datePublished\":\"2026-05-06T00:08:00+00:00\",\"dateModified\":\"2026-05-10T16:17:13+00:00\",\"author\":{\"@id\":\"https:\/\/www.han-sphere.com\/#\/schema\/person\/a8f2356806898d33a9f431801140e422\"},\"description\":\"Master rigid-flex PCB design with our expert guidelines. 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We specialize in both rapid prototyping and mass production. 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