{"id":415,"date":"2026-03-04T08:08:00","date_gmt":"2026-03-04T00:08:00","guid":{"rendered":"https:\/\/www.han-sphere.com\/?p=415"},"modified":"2026-03-05T23:11:21","modified_gmt":"2026-03-05T15:11:21","slug":"rigid-flex-pcb-stackup-material-selection","status":"publish","type":"post","link":"https:\/\/www.han-sphere.com\/de\/blog\/news\/rigid-flex-pcb-stackup-material-selection\/","title":{"rendered":"Starr-Flex-Leiterplatten-Stapelung und Materialauswahl"},"content":{"rendered":"<p>Die Leistung und Zuverl\u00e4ssigkeit von starr-flexiblen Leiterplatten h\u00e4ngt stark von der Stapelarchitektur und der Materialauswahl ab. Die Kombination von starren und flexiblen Lagen erfordert eine sorgf\u00e4ltige Konstruktion, um mechanische Haltbarkeit, elektrische Stabilit\u00e4t und Herstellbarkeit zu gew\u00e4hrleisten.<\/p>\n\n\n\n<p>Dieser Artikel erkl\u00e4rt <strong>Starr-Flex-Leiterplatten-Stapelung und Materialauswahl<\/strong>, einschlie\u00dflich Schichtstrukturen, Materialien und wichtige Design\u00fcberlegungen.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udd17 <em>Teil des Rigid-Flex <a href=\"https:\/\/www.han-sphere.com\/pcb-design\/\">PCB-Entwurf<\/a> Serie<\/em><br><strong>Rigid-Flex PCB Design: <a href=\"https:\/\/www.han-sphere.com\/blog\/news\/what-is-rigid-flex-pcb\/\">Grundlagen<\/a>, <a href=\"https:\/\/www.han-sphere.com\/blog\/news\/rigid-flex-pcb-stackup-material-selection\/\">Materialien<\/a>, Herstellung und Verl\u00e4sslichkeit<\/strong><\/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=\"405\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-4.jpg\" alt=\"Starr-Flex-Leiterplatte\" class=\"wp-image-416\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-4.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-4-300x203.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Warum Stackup-Design entscheidend ist f\u00fcr <a href=\"https:\/\/www.han-sphere.com\/rigid-flex-pcb\/\">Starr-Flex-Leiterplatte<\/a>s<\/h2>\n\n\n\n<p>Im Gegensatz zu starren Standardplatten m\u00fcssen starr-flexible Designs ber\u00fccksichtigt werden:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mechanische Biegespannung<\/li>\n\n\n\n<li>Zuverl\u00e4ssigkeit des Schicht\u00fcbergangs<\/li>\n\n\n\n<li>Adh\u00e4sion zwischen starren und flexiblen Abschnitten<\/li>\n<\/ul>\n\n\n\n<p>Ein gut durchdachter Stapel verhindert Risse, Delamination und elektrische Ausf\u00e4lle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typische Starr-Flex-Leiterplatten-Stapelstruktur<\/h2>\n\n\n\n<p>Ein \u00fcblicher Starr-Flex-Aufbau umfasst:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Starre FR-4 Kerne<\/li>\n\n\n\n<li>Flexible Polyimidschichten<\/li>\n\n\n\n<li>Klebeschichten oder Klebstoffsysteme<\/li>\n\n\n\n<li>Kupfersignalschichten<\/li>\n\n\n\n<li>Coverlay f\u00fcr Flexschutz<\/li>\n<\/ul>\n\n\n\n<p>Der flexible Bereich ist mit d\u00fcnneren Dielektrika ausgestattet, um das Biegen zu erm\u00f6glichen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Einseitige vs. mehrlagige Flexabschnitte<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Einschichtiger Flex<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00f6here Flexibilit\u00e4t<\/li>\n\n\n\n<li>Niedrigere Kosten<\/li>\n\n\n\n<li>Begrenzte Routingdichte<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Mehrschichtiger Flex<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00f6here Schaltungsdichte<\/li>\n\n\n\n<li>Bessere Abschirmung<\/li>\n\n\n\n<li>Erh\u00f6hte Komplexit\u00e4t<\/li>\n<\/ul>\n\n\n\n<p>Die Wahl h\u00e4ngt von den Leistungsanforderungen ab.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"445\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-5.jpg\" alt=\"Starr-Flex-Leiterplatte\" class=\"wp-image-417\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-5.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-5-300x223.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Wichtige Prinzipien des Stackup-Designs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Steuerung der neutralen Biegeachse<\/h3>\n\n\n\n<p>Platzieren Sie die Kupferlagen symmetrisch um die neutrale Achse, um die Spannung beim Biegen zu minimieren.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Symmetrie der Schichten<\/h3>\n\n\n\n<p>Ausgewuchtete Strukturen verhindern Verzug und mechanisches Versagen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Kontrollierte Impedanzplanung<\/h3>\n\n\n\n<p>Stackup muss Impedanzziele unterst\u00fctzen, bevor das Routing beginnt.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Materialauswahl f\u00fcr starre Abschnitte<\/h2>\n\n\n\n<p>Zu den g\u00e4ngigen Materialien geh\u00f6ren:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard FR-4<\/li>\n\n\n\n<li>Hoch-Tg FR-4<\/li>\n\n\n\n<li>Verlustarme Laminate f\u00fcr Hochgeschwindigkeitssignale<\/li>\n<\/ul>\n\n\n\n<p>Starre Materialien sorgen f\u00fcr strukturelle Stabilit\u00e4t und Unterst\u00fctzung der Komponenten.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Materialauswahl f\u00fcr Flexabschnitte<\/h2>\n\n\n\n<p>Flex-Regionen verwenden in der Regel:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyimid-Substrate<\/li>\n\n\n\n<li>Gewalztes, gegl\u00fchtes Kupfer (RA-Kupfer)<\/li>\n\n\n\n<li>Selbstklebende oder klebstofflose Laminate<\/li>\n<\/ul>\n\n\n\n<p>Diese Materialien verbessern die Biegefestigkeit.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Verklebte vs. unverklebte Konstruktionen<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Auf Klebstoff basierende<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Niedrigere Kosten<\/li>\n\n\n\n<li>Geringf\u00fcgig reduzierte Zuverl\u00e4ssigkeit<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Klebefrei<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bessere thermische Leistung<\/li>\n\n\n\n<li>H\u00f6here Zuverl\u00e4ssigkeit<\/li>\n<\/ul>\n\n\n\n<p>Einsatz in High-End-Anwendungen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Abdeckfolie vs. L\u00f6tstoppmaske<\/h2>\n\n\n\n<p>Bei Flexabschnitten wird statt der L\u00f6tstoppmaske ein Coverlay verwendet, weil:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Es widersteht wiederholtem Biegen<\/li>\n\n\n\n<li>Bietet eine bessere Isolierung<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Gestaltung der \u00dcbergangszone<\/h2>\n\n\n\n<p>Der \u00dcbergangsbereich von starr zu flexibel muss:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vermeiden Sie abrupte Dicken\u00e4nderungen<\/li>\n\n\n\n<li>Schrittweise Verst\u00e4rkung verwenden<\/li>\n\n\n\n<li>Minimierung der Spannungskonzentration<\/li>\n<\/ul>\n\n\n\n<p>Dieser Bereich ist eine h\u00e4ufige Fehlerquelle.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"401\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-6.jpg\" alt=\"Starr-Flex-Leiterplatte\" class=\"wp-image-418\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-6.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-6-300x201.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u00dcberlegungen zur Herstellbarkeit<\/h2>\n\n\n\n<p>Verbesserung des Erfolgs bei der Herstellung:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verwendung von Standardmaterialsystemen<\/li>\n\n\n\n<li>\u00dcberm\u00e4\u00dfige Anzahl von Ebenen begrenzen<\/li>\n\n\n\n<li>Validierung des Stapels durch den Hersteller<\/li>\n<\/ul>\n\n\n\n<p>Eine fr\u00fchzeitige Zusammenarbeit verringert das Risiko einer Umgestaltung.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e4ufige Fehler bei der Stapelung<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ungleichgewicht des Kupfers<\/li>\n\n\n\n<li>Falsche Annahmen zum Biegeradius<\/li>\n\n\n\n<li>Schlechte Gestaltung des \u00dcbergangs<\/li>\n<\/ul>\n\n\n\n<p>Diese Probleme f\u00fchren h\u00e4ufig zu fr\u00fchen Produktausf\u00e4llen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Zusammenfassung bew\u00e4hrter Praktiken<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Konstruktion von Stapeln um mechanische Anforderungen herum<\/li>\n\n\n\n<li>Verwendung von RA-Kupfer f\u00fcr dynamischen Flex<\/li>\n\n\n\n<li>Symmetrie beibehalten<\/li>\n\n\n\n<li>Impedanz fr\u00fchzeitig definieren<\/li>\n\n\n\n<li>Validierung mit Fertigungspartnern<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Schlussfolgerung<\/h2>\n\n\n\n<p>Der Aufbau von starrflexiblen Leiterplatten und die Materialauswahl bestimmen die mechanische Haltbarkeit und die elektrische Leistung des Endprodukts. Eine ordnungsgem\u00e4\u00dfe Konstruktion gew\u00e4hrleistet langfristige Zuverl\u00e4ssigkeit und eine erfolgreiche Fertigung.<\/p>\n\n\n\n<p>In diesem Artikel werden die <strong>Hochbauschicht<\/strong> des Rigid-Flex PCB Inhaltsclusters.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ - Starr-Flex-Stapelung und Materialien<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1772467841088\"><strong class=\"schema-faq-question\">F: 1. welches Material wird verwendet f\u00fcr <a href=\"https:\/\/www.han-sphere.com\/flex-pcb\/\">flexible Leiterplatte<\/a> Schichten<\/strong> <p class=\"schema-faq-answer\">A: Polyimid ist das gebr\u00e4uchlichste flexible Substrat.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772467869170\"><strong class=\"schema-faq-question\">F: 2. ist eine klebstofffreie Konstruktion besser<\/strong> <p class=\"schema-faq-answer\">A: Ja, insbesondere f\u00fcr Anwendungen mit hoher Zuverl\u00e4ssigkeit.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772467890897\"><strong class=\"schema-faq-question\">F: 3. warum wird RA-Kupfer bevorzugt<\/strong> <p class=\"schema-faq-answer\">A: Es hat eine bessere Erm\u00fcdungsbest\u00e4ndigkeit beim Biegen.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772467920802\"><strong class=\"schema-faq-question\">F: 4. k\u00f6nnen starrflexible Platten eine kontrollierte Impedanz unterst\u00fctzen<\/strong> <p class=\"schema-faq-answer\">A: Ja, mit einem geeigneten Stapeldesign.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772467945120\"><strong class=\"schema-faq-question\">F: 5. was ist der kritischste Entwurfsbereich<\/strong> <p class=\"schema-faq-answer\">A: Der \u00dcbergangsbereich von starr zu flexibel.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>In dieser Zusammenfassung werden starr-flexible Leiterplatten-Stapelstrukturen, Materialoptionen und das Design mit neutraler Achse untersucht. Er hebt die wichtigsten \u00dcberlegungen f\u00fcr Zuverl\u00e4ssigkeit und Herstellbarkeit hervor, einschlie\u00dflich Lagenzahl, Kupfertyp und Klebstoffauswahl. Eine korrekte Stapelplanung gew\u00e4hrleistet Flexibilit\u00e4t, Haltbarkeit und eine effiziente Produktion und ist daher f\u00fcr elektronische Hochleistungsbaugruppen in kompakten, dynamischen Anwendungen unerl\u00e4sslich.<\/p>","protected":false},"author":1,"featured_media":419,"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":[34],"class_list":["post-415","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-rigid-flex-pcb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rigid-Flex PCB Stackup and Material Selection - Hansphere<\/title>\n<meta name=\"description\" content=\"Learn rigid-flex PCB stackup structures, material options, neutral axis design, and key considerations for reliability and manufacturability.\" \/>\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-stackup-material-selection\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rigid-Flex PCB Stackup and Material Selection - Hansphere\" \/>\n<meta property=\"og:description\" content=\"Learn rigid-flex PCB stackup structures, material options, neutral axis design, and key considerations for reliability and manufacturability.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.han-sphere.com\/de\/blog\/news\/rigid-flex-pcb-stackup-material-selection\/\" \/>\n<meta property=\"og:site_name\" content=\"hansphere\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-04T00:08:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-05T15:11:21+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/Rigid-Flex-PCB-7.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"445\" \/>\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-stackup-material-selection\/\",\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/rigid-flex-pcb-stackup-material-selection\/\",\"name\":\"Rigid-Flex PCB Stackup and Material Selection - 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