{"id":6047,"date":"2026-08-07T09:00:00","date_gmt":"2026-08-07T01:00:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=6047"},"modified":"2026-08-04T22:42:54","modified_gmt":"2026-08-04T14:42:54","slug":"navigating-rigid-flex-pcb-design-rules","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/","title":{"rendered":"Att navigera bland designreglerna f\u00f6r styv-flex-kretskort f\u00f6r maximal mekanisk tillf\u00f6rlitlighet"},"content":{"rendered":"<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\">Inneh\u00e5llsf\u00f6rteckning<\/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\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#The_Intersection_of_Electronics_and_Mechanics\" >Korsningen mellan elektronik och mekanik<\/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\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#Understanding_the_Rigid-Flex_Architecture_and_Materials\" >Att f\u00f6rst\u00e5 arkitekturen och materialen i Rigid-Flex-tekniken<\/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\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#The_Core_Materials\" >De viktigaste materialen<\/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\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#The_Critical_Transition_Zone\" >Den kritiska \u00f6verg\u00e5ngszonen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#Dynamic_vs_Static_Flexing\" >Dynamisk kontra statisk b\u00f6jning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#How_to_Design_for_Rigid-Flex_Critical_Design_Rules\" >Hur man utformar konstruktioner f\u00f6r rigid-flex (viktiga konstruktionsregler)<\/a><\/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\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#Advanced_Considerations_High-Speed_and_HDI\" >Avancerade aspekter: H\u00f6ghastighetskretsar och HDI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#Frequently_Asked_Questions_FAQ\" >Ofta st\u00e4llda fr\u00e5gor (FAQ)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/#Conclusion\" >Slutsats<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Intersection_of_Electronics_and_Mechanics\"><\/span>Korsningen mellan elektronik och mekanik<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Traditionella styva kretskort \u00e4r statiska; n\u00e4r de v\u00e4l \u00e4r monterade r\u00f6r de sig inte. Men vad h\u00e4nder n\u00e4r din elektronik m\u00e5ste vikas in i en liten b\u00e4rbar medicinsk enhet, vridas inuti en robotarm eller t\u00e5la de st\u00e4ndiga vibrationerna fr\u00e5n en flyg- och rymdmotor? D\u00e5 v\u00e4nder du dig till Rigid-Flex-tekniken.<\/p>\n<p>Rigid-Flex-kretskort kombinerar stabiliteten hos standard-FR4 med den dynamiska m\u00e5ngsidigheten hos flexibla kretsar av polyimid (PI). Att konstruera dem \u00e4r dock notoriskt sv\u00e5rt, eftersom man inte l\u00e4ngre bara \u00e4r elektroingenj\u00f6r \u2013 nu \u00e4r man \u00e4ven maskiningenj\u00f6r. I den h\u00e4r artikeln kommer vi att g\u00e5 igenom de viktigaste <strong>Regler f\u00f6r konstruktion av styv-flex-kretskort<\/strong> kr\u00e4vs f\u00f6r att f\u00f6rhindra sprickor i ledningsbanor, delaminering och allvarliga fel i drift, vilket s\u00e4kerst\u00e4ller att din konstruktion h\u00e5ller under hela sin avsedda livsl\u00e4ngd.<\/p>\n<div style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules.jpg\" alt=\"Att navigera bland designreglerna f\u00f6r styv-flex-kretskort\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-6300\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-300x200.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_the_Rigid-Flex_Architecture_and_Materials\"><\/span>Att f\u00f6rst\u00e5 arkitekturen och materialen i Rigid-Flex-tekniken<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ett typiskt styvt-flexibelt kretskort best\u00e5r inte bara av tv\u00e5 styva kretskort som \u00e4r sammankopplade med en bandkabel. De flexibla polyimidlagren \u00e4r direkt integrerade i de styva sektionernas kretskortsstruktur.<\/p>\n<div style=\"text-align: center;\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"The_Core_Materials\"><\/span>De viktigaste materialen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Polyimid (PI)<\/strong>: Ryggraden i den flexibla delen. PI har en enast\u00e5ende dragh\u00e5llfasthet, termisk stabilitet (t\u00e5l reflow-l\u00f6dning) och kemisk best\u00e4ndighet.<\/li>\n<li><strong>Valsad, gl\u00f6dgad (RA) koppar<\/strong>: F\u00f6r dynamisk b\u00f6jning \u00e4r RA-koppar att f\u00f6redra framf\u00f6r elektrolytiskt avsatt (ED) koppar. Tack vare sin horisontella kornstruktur kan den b\u00f6jas miljontals g\u00e5nger utan att g\u00e5 s\u00f6nder.<\/li>\n<li><strong>T\u00e4cklager kontra l\u00f6dmask<\/strong>: Man anv\u00e4nder inte vanlig flytande fotoexponerbar (LPI) l\u00f6dmask p\u00e5 den flexibla delen; den kommer att spricka omedelbart. Ist\u00e4llet lamineras ett flexibelt polyimidskikt \u00f6ver ledningarna f\u00f6r att skydda dem.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"The_Critical_Transition_Zone\"><\/span>Den kritiska \u00f6verg\u00e5ngszonen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Den mest utsatta delen i varje rigid-flex-konstruktion \u00e4r <strong>\u00d6verg\u00e5ngszon<\/strong>\u2014den exakta gr\u00e4nsen d\u00e4r det styva FR4-materialet slutar och det flexibla polyimidematerialet tar vid. Denna \u00f6verg\u00e5ng fungerar som en kraftig sp\u00e4nningskoncentrator. Om ett kretskort ska drabbas av ett mekaniskt fel, s\u00e5 intr\u00e4ffar detta i 90% av fallen just vid \u00f6verg\u00e5ngszonen.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dynamic_vs_Static_Flexing\"><\/span>Dynamisk kontra statisk b\u00f6jning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Innan du skapar en rutt m\u00e5ste du ange applikationstyp:<br \/>* <strong>Statisk (b\u00f6js vid montering)<\/strong>: Kortet b\u00f6js en g\u00e5ng under monteringen f\u00f6r att passa in i h\u00f6ljet och r\u00f6r sig s\u00e4llan d\u00e4refter. H\u00e4r \u00e4r reglerna n\u00e5got mer flexibla.<br \/>* <strong>Dynamisk<\/strong>: Kortet kommer att uts\u00e4ttas f\u00f6r kontinuerlig b\u00f6jning under sin livsl\u00e4ngd (t.ex. ett g\u00e5ngj\u00e4rn p\u00e5 en b\u00e4rbar dator eller ett robotman\u00f6verorgan). Konstruktionsreglerna m\u00e5ste h\u00e4r f\u00f6ljas strikt f\u00f6r att kortet ska klara miljontals b\u00f6jningscykler.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Design_for_Rigid-Flex_Critical_Design_Rules\"><\/span>Hur man utformar konstruktioner f\u00f6r rigid-flex (viktiga konstruktionsregler)<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\">F\u00f6lj dessa tekniska riktlinjer.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1\"><strong class=\"schema-how-to-step-name\">Ber\u00e4kna den minsta b\u00f6jningsradien<\/strong> <p class=\"schema-how-to-step-text\">Vik aldrig en flexibel krets som ett papper. Den minsta b\u00f6jningsradien avg\u00f6r hur kraftigt du kan b\u00f6ja kretskortet utan att kopparledningarna g\u00e5r s\u00f6nder.<br\/>En- eller dubbelsidig Dynamic Flex: B\u00f6jningsradien b\u00f6r vara 10 till 20 g\u00e5nger den flexibla sektionens totala tjocklek.<br\/>Static Flex: B\u00f6jningsradien kan ut\u00f6kas till 10 g\u00e5nger tjockleken. <br\/>(Exempel: Om din flexibla sektion \u00e4r 0,2 mm tjock \u00e4r den absoluta minsta dynamiska b\u00f6jningsradien 2,0\u20134,0 mm).<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-2\"><strong class=\"schema-how-to-step-name\">Skydda \u00f6verg\u00e5ngszonen<\/strong> <p class=\"schema-how-to-step-text\">Placera aldrig genomg\u00e5ende h\u00e5l, pl\u00e4terade genomg\u00e5ende h\u00e5l eller ytmonterade komponenter inom 0,1 tum (2,54 mm) fr\u00e5n \u00f6verg\u00e5ngszonen. Den mekaniska p\u00e5frestningen vid denna gr\u00e4ns kommer att slita s\u00f6nder de genomg\u00e5ende h\u00e5len och bryta komponenternas l\u00f6df\u00f6rband. Tillverkarna l\u00e4gger vanligtvis till en str\u00e4ng av epoxi eller silikon (sp\u00e4nningsavlastning) vid denna \u00f6verg\u00e5ng.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-3\"><strong class=\"schema-how-to-step-name\">Anv\u00e4nd droppformade linjer och rundade konturer<\/strong> <p class=\"schema-how-to-step-text\">Ett 90-graders h\u00f6rn i ledningsbanan utg\u00f6r en sp\u00e4nningskoncentration. N\u00e4r kretskortet b\u00f6js kommer kopparn att spricka precis vid det skarpa inre h\u00f6rnet. Anv\u00e4nd alltid mjuka, sv\u00e4ngda b\u00e5gar n\u00e4r du drar ledningsbanor i det b\u00f6jbara omr\u00e5det. L\u00e4gg dessutom till droppformade f\u00f6rst\u00e4rkningar vid alla via- och pad-anslutningar f\u00f6r att f\u00f6rst\u00e4rka kopparfogen d\u00e4r den m\u00f6ter den ringformade ringen.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-4\"><strong class=\"schema-how-to-step-name\">F\u00f6rskjut ledningarna (dubbelsidig flex)<\/strong> <p class=\"schema-how-to-step-text\">Om du har kopparbanor b\u00e5de p\u00e5 ovansidan och undersidan av det flexibla materialet, **f\u00e5r du inte dra dem direkt \u00f6ver varandra**. Detta skapar lokal styvhet (k\u00e4nd som \u201dI-balkseffekten\u201d) och \u00f6kar risken f\u00f6r brott. Placera ist\u00e4llet banorna s\u00e5 att de alternerar mellan utrymmena, vilket f\u00f6rdelar belastningen j\u00e4mnt.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-5\"><strong class=\"schema-how-to-step-name\">Anv\u00e4nd koppargjutningar med korsrutm\u00f6nster<\/strong> <p class=\"schema-how-to-step-text\">Massiva kopparjordplan g\u00f6r det flexibla omr\u00e5det otroligt styvt och ben\u00e4get att spricka. Ers\u00e4tt massiva kopparutfyllningar med ett streckat eller n\u00e4tliknande rutm\u00f6nster i de flexibla omr\u00e5dena. Ett typiskt f\u00f6rh\u00e5llande \u00e4r en ledningsbana p\u00e5 0,2 mm med ett f\u00f6nster p\u00e5 0,4 mm. Detta bibeh\u00e5ller den elektriska avsk\u00e4rmningen samtidigt som flexibiliteten f\u00f6rb\u00e4ttras avsev\u00e4rt.<\/p> <\/li><\/ol><\/div><p>F\u00f6r att uppn\u00e5 maximal mekanisk tillf\u00f6rlitlighet och uppfylla kraven i standarden IPC-2223 b\u00f6r du integrera dessa <strong>Regler f\u00f6r konstruktion av styv-flex-kretskort<\/strong> i din CAD-milj\u00f6.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advanced_Considerations_High-Speed_and_HDI\"><\/span>Avancerade aspekter: H\u00f6ghastighetskretsar och HDI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Att kombinera styv-flex-kretskort med avancerade elektriska krav medf\u00f6r ytterligare en niv\u00e5 av komplexitet.<\/p>\n<div style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-1.jpg\" alt=\"Att navigera bland designreglerna f\u00f6r styv-flex-kretskort\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-6301\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-1-300x200.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div>\n<p>Om du drar multi-gigabitsignaler \u00f6ver en flexibel gr\u00e4ns m\u00e5ste du se till att impedansen f\u00f6rblir stabil. Dielektricitetskonstanten f\u00f6r polyimid (PI) skiljer sig fr\u00e5n FR4 (vanligtvis cirka 3,2 j\u00e4mf\u00f6rt med 4,4), och att ers\u00e4tta ett massivt jordplan med ett streckat jordplan f\u00f6r\u00e4ndrar sp\u00e5rkapacitansen. Du m\u00e5ste anv\u00e4nda en 3D-f\u00e4ltsimulator f\u00f6r att ber\u00e4kna ledningsbredden p\u00e5 nytt specifikt f\u00f6r den flexibla sektionen f\u00f6r att bibeh\u00e5lla impedansen p\u00e5 85 ohm eller 100 ohm. F\u00f6r mer ing\u00e5ende information om signalintegritet, l\u00e4s v\u00e5r guide om <a href=\"\/sv\/blog\/essential-high-speed-pcb-routing-techniques\/\">Grundl\u00e4ggande tekniker f\u00f6r h\u00f6ghastighetsfr\u00e4sning av kretskort<\/a>.<\/p>\n<p>Om dina styva sektioner dessutom kr\u00e4ver extrem miniatyrisering kan du integrera <a href=\"\/sv\/blog\/mastering-any-layer-hdi-pcb-manufacturing\/\">Tillverkning av HDI-kretskort i valfritt lager<\/a> inom de styva zonerna, samtidigt som de flexibla skikten begr\u00e4nsas till endast 1 eller 2 ledningsskikt f\u00f6r att maximera b\u00f6jbarheten.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQ\"><\/span>Ofta st\u00e4llda fr\u00e5gor (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-1\"><strong class=\"schema-faq-question\">Vad \u00e4r en \u201df\u00f6rst\u00e4rkningsdel\u201d i ett flexibelt kretskort?<\/strong> <p class=\"schema-faq-answer\">En f\u00f6rst\u00e4rkningsplatta \u00e4r en extra bit av styvt material (vanligtvis FR4, polyimid eller rostfritt st\u00e5l) som limmas fast p\u00e5 ett specifikt omr\u00e5de av den flexibla kretsen. Den anv\u00e4nds f\u00f6r att ge mekaniskt st\u00f6d under tunga komponenter (som kontakter) eller f\u00f6r att f\u00f6rst\u00e4rka kanten p\u00e5 den flexibla kretsen s\u00e5 att den kan s\u00e4ttas in i en ZIF-kontakt (Zero Insertion Force).<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-2\"><strong class=\"schema-faq-question\">Kan jag placera komponenter p\u00e5 kretskortets flexibla del?<\/strong> <p class=\"schema-faq-answer\">Ja, men med vissa f\u00f6rbeh\u00e5ll. Komponenter p\u00e5 det b\u00f6jbara omr\u00e5det b\u00f6r vara sm\u00e5 och placerade s\u00e5 att deras l\u00e4ngsta sida ligger parallellt med b\u00f6jningsaxeln f\u00f6r att minimera belastningen p\u00e5 l\u00f6dfogarna. Dessutom m\u00e5ste du anv\u00e4nda f\u00f6rst\u00e4rkningselement under komponenter med m\u00e5nga stift eller tunga kontaktdon f\u00f6r att f\u00f6rhindra att det b\u00f6jbara materialet g\u00e5r s\u00f6nder.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-3\"><strong class=\"schema-faq-question\">Kan jag anv\u00e4nda vanlig elektrolytisk koppar (ED) till ett dynamiskt flexkort?<\/strong> <p class=\"schema-faq-answer\">Det avr\u00e5ds starkt. ED-koppar har en vertikal kristallstruktur som \u00e4r ben\u00e4gen att utveckla mikrosprickor vid upprepad belastning. Valsgl\u00f6dgad (RA) koppar, med sin horisontella kristallstruktur, \u00e4r betydligt b\u00e4ttre l\u00e4mpad f\u00f6r dynamisk b\u00f6jning.<\/p> <\/div> <\/div><h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Slutsats<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Mastering <strong>Regler f\u00f6r konstruktion av styv-flex-kretskort<\/strong> \u00f6verbryggar klyftan mellan elektrisk funktionalitet och mekanisk h\u00e5llbarhet. Genom att noggrant anpassa b\u00f6jningsradien, f\u00f6rst\u00e4rka \u00f6verg\u00e5ngszonerna, placera ledningsbanorna i f\u00f6rskjutna m\u00f6nster och avrunda geometriska h\u00f6rn kan ingenj\u00f6rerna konstruera mycket dynamiska kopplingar som klarar de tuffaste milj\u00f6erna. \u00c4ven om konstruktionsfasen utan tvekan \u00e4r mer kr\u00e4vande \u00e4r den minskade produktstorleken och de f\u00f6rb\u00e4ttrade tillf\u00f6rlitlighetsvinsterna v\u00e4l v\u00e4rda anstr\u00e4ngningen.<\/p>","protected":false},"excerpt":{"rendered":"<p>Korsningen mellan elektronik och mekanik Traditionella styva kretskort \u00e4r statiska; n\u00e4r de v\u00e4l \u00e4r monterade r\u00f6r de sig inte. Men vad h\u00e4nder n\u00e4r din elektronik m\u00e5ste vikas in i en liten b\u00e4rbar medicinsk enhet, vridas inuti en robotarm eller t\u00e5la de st\u00e4ndiga vibrationerna fr\u00e5n en flyg- och rymdmotor? D\u00e5 v\u00e4nder du dig till Rigid-Flex-tekniken. Rigid-Flex-kretskort kombinerar stabiliteten hos vanliga [\u2026]<\/p>","protected":false},"author":1,"featured_media":6302,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"rigid flex PCB design rules","_yoast_wpseo_title":"Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability","_yoast_wpseo_metadesc":"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.","footnotes":""},"categories":[108],"tags":[505,507,506,508,504],"class_list":["post-6047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-flexible-electronics","tag-mechanical-reliability","tag-pcb-design-rules","tag-polyimide","tag-rigid-flex-pcb-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability<\/title>\n<meta name=\"description\" content=\"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.\" \/>\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.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability\" \/>\n<meta property=\"og:description\" content=\"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-07T01:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"Navigating Rigid Flex PCB Design Rules for Maximum Mechanical Reliability\",\"datePublished\":\"2026-08-07T01:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/\"},\"wordCount\":1071,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg\",\"keywords\":[\"Flexible Electronics\",\"Mechanical Reliability\",\"PCB Design Rules\",\"Polyimide\",\"Rigid Flex PCB\"],\"articleSection\":[\"News\"],\"inLanguage\":\"sv-SE\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/\",\"name\":\"Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg\",\"datePublished\":\"2026-08-07T01:00:00+00:00\",\"description\":\"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#breadcrumb\"},\"inLanguage\":\"sv-SE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg\",\"width\":600,\"height\":400,\"caption\":\"Navigating Rigid Flex PCB Design Rules\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Navigating Rigid Flex PCB Design Rules for Maximum Mechanical Reliability\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.topfastpcb.com\/#website\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"name\":\"Topfastpcb\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.topfastpcb.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"sv-SE\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"width\":144,\"height\":56,\"caption\":\"Topfastpcb\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\",\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"sameAs\":[\"http:\/\/www.topfastpcb.com\"],\"url\":\"https:\/\/www.topfastpcb.com\/sv\/blog\/author\/admin\/\"},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#howto-1\",\"name\":\"Navigating Rigid Flex PCB Design Rules for Maximum Mechanical Reliability\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#article\"},\"description\":\"\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-1\",\"name\":\"Calculate the Minimum Bend Radius\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm).\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-2\",\"name\":\"Calculate the Minimum Bend Radius\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm).\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-3\",\"name\":\"Calculate the Minimum Bend Radius\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm).\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-4\",\"name\":\"Calculate the Minimum Bend Radius\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm).\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-5\",\"name\":\"Calculate the Minimum Bend Radius\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm).\"}]}],\"inLanguage\":\"sv-SE\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability","description":"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/","og_locale":"sv_SE","og_type":"article","og_title":"Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability","og_description":"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.","og_url":"https:\/\/www.topfastpcb.com\/sv\/blog\/navigating-rigid-flex-pcb-design-rules\/","og_site_name":"Topfastpcb","article_published_time":"2026-08-07T01:00:00+00:00","og_image":[{"width":600,"height":400,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg","type":"image\/jpeg"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"Skriven av":"\u6258\u666e\u6cd5\u65af\u7279","Ber\u00e4knad l\u00e4stid":"6 minuter"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"Navigating Rigid Flex PCB Design Rules for Maximum Mechanical Reliability","datePublished":"2026-08-07T01:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/"},"wordCount":1071,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg","keywords":["Flexible Electronics","Mechanical Reliability","PCB Design Rules","Polyimide","Rigid Flex PCB"],"articleSection":["News"],"inLanguage":"sv-SE"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/","url":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/","name":"Rigid-Flex PCB Design Rules for Maximum Mechanical Reliability","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg","datePublished":"2026-08-07T01:00:00+00:00","description":"Explore essential rigid-flex PCB design rules, including bend radius, layer stackup, material selection, and mechanical reliability considerations for durable flexible circuits.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#breadcrumb"},"inLanguage":"sv-SE","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/"]}]},{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/08\/Navigating-Rigid-Flex-PCB-Design-Rules-2.jpg","width":600,"height":400,"caption":"Navigating Rigid Flex PCB Design Rules"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"Navigating Rigid Flex PCB Design Rules for Maximum Mechanical Reliability"}]},{"@type":"WebSite","@id":"https:\/\/www.topfastpcb.com\/#website","url":"https:\/\/www.topfastpcb.com\/","name":"Topfastpcb","description":"Topfast Prime Choice for Global Electronics Manufacturing","publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.topfastpcb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"sv-SE"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","width":144,"height":56,"caption":"Topfastpcb"},"image":{"@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a","name":"\u6258\u666e\u6cd5\u65af\u7279","sameAs":["http:\/\/www.topfastpcb.com"],"url":"https:\/\/www.topfastpcb.com\/sv\/blog\/author\/admin\/"},{"@type":"HowTo","@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#howto-1","name":"Navigating Rigid Flex PCB Design Rules for Maximum Mechanical Reliability","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#article"},"description":"","step":[{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-1","name":"Calculate the Minimum Bend Radius","itemListElement":[{"@type":"HowToDirection","text":"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm)."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-2","name":"Calculate the Minimum Bend Radius","itemListElement":[{"@type":"HowToDirection","text":"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm)."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-3","name":"Calculate the Minimum Bend Radius","itemListElement":[{"@type":"HowToDirection","text":"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm)."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-4","name":"Calculate the Minimum Bend Radius","itemListElement":[{"@type":"HowToDirection","text":"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm)."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/navigating-rigid-flex-pcb-design-rules\/#how-to-step-5","name":"Calculate the Minimum Bend Radius","itemListElement":[{"@type":"HowToDirection","text":"Never fold a flex circuit like a piece of paper. The minimum bend radius dictates how tightly you can bend the board without breaking the copper.<br\/>Single\/Double-Sided Dynamic Flex: Bend radius should be 10 to 20 times the total thickness of the flexible section.<br\/>Static Flex: Bend radius can be pushed to 10 times the thickness. <br\/>(Example: If your flex section is 0.2mm thick, your absolute minimum dynamic bend radius is 2.0 mm- 4.0 mm)."}]}],"inLanguage":"sv-SE"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts\/6047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/comments?post=6047"}],"version-history":[{"count":11,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts\/6047\/revisions"}],"predecessor-version":[{"id":6393,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts\/6047\/revisions\/6393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/media\/6302"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/media?parent=6047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/categories?post=6047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/tags?post=6047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}