{"id":5014,"date":"2026-01-19T08:38:00","date_gmt":"2026-01-19T00:38:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5014"},"modified":"2026-01-14T16:02:35","modified_gmt":"2026-01-14T08:02:35","slug":"x-ray-inspection-in-pcb-manufacturing","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/","title":{"rendered":"R\u00f8ntgeninspektion i PCB-produktion"},"content":{"rendered":"<p>Ikke alle PCB-defekter er synlige fra overfladen.<\/p><p>Efterh\u00e5nden som PCB-designs bliver:<\/p><ul class=\"wp-block-list\"><li>Tykkere<\/li>\n\n<li>Mere kompleks<\/li>\n\n<li>H\u00f8jere t\u00e6thed<\/li><\/ul><p>Der opst\u00e5r mange kritiske fejl <strong>indvendige vias, belagte huller og interne lag<\/strong>-omr\u00e5der, der er usynlige for optisk inspektion.<\/p><p>R\u00f8ntgeninspektion g\u00f8r det muligt for producenter at unders\u00f8ge disse skjulte strukturer og identificere defekter, som AOI ikke kan opdage.<\/p><p><em>Tidligere inspektionsmetode:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/aoi-inspection-in-pcb-manufacturing\/\">AOI-inspektion i PCB-produktion<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"442\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection.jpg\" alt=\"R\u00f8ntgeninspektion\" class=\"wp-image-5015\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-300x221.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-16x12.jpg 16w\" 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\">Indholdsfortegnelse<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#What_Is_X-Ray_Inspection\" >Hvad er r\u00f8ntgeninspektion?<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#What_Is_X-Ray_Inspection-2\" >Hvad er r\u00f8ntgeninspektion?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#Defects_Commonly_Detected_by_X-Ray_Inspection\" >Defekter, der ofte opdages ved r\u00f8ntgeninspektion<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#Via_and_Hole_Defects\" >Via- og huldefekter<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#Internal_Structure_Issues\" >Problemer med den interne struktur<\/a><\/li><\/ul><\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#X-Ray_Inspection_vs_AOI\" >R\u00f8ntgeninspektion vs AOI<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#When_X-Ray_Inspection_Is_Applied\" >N\u00e5r r\u00f8ntgeninspektion anvendes<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#X-Ray_Inspection_in_HDI_and_High-Reliability_PCBs\" >R\u00f8ntgeninspektion i HDI og h\u00f8jtydende printkort<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#Limitations_of_X-Ray_Inspection\" >Begr\u00e6nsninger ved r\u00f8ntgeninspektion<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#Key_Limitations\" >Vigtige begr\u00e6nsninger<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#X-Ray_Inspection_and_Reliability_Risk_Reduction\" >R\u00f8ntgeninspektion og reduktion af p\u00e5lidelighedsrisiko<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#How_X-Ray_Fits_into_a_Complete_Inspection_Strategy\" >Hvordan r\u00f8ntgen passer ind i en komplet inspektionsstrategi<\/a><\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#Conclusion\" >Konklusion<\/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\/da\/blog\/x-ray-inspection-in-pcb-manufacturing\/#X-Ray_Inspection_FAQ\" >FAQ om r\u00f8ntgeninspektion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_X-Ray_Inspection\"><\/span>Hvad er r\u00f8ntgeninspektion?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>R\u00f8ntgeninspektion bruger kontrolleret r\u00f8ntgenstr\u00e5ling til at visualisere PCB'ernes indre strukturer.<\/p><p>I mods\u00e6tning til optisk inspektion er r\u00f8ntgenbilleder:<\/p><ul class=\"wp-block-list\"><li>Tr\u00e6nger ind i materialer<\/li>\n\n<li>Afsl\u00f8rer indre geometri<\/li>\n\n<li>Viser variationer i t\u00e6thed<\/li><\/ul><p>Det g\u00f8r den ideel til at evaluere <strong>Vias, pletterede gennemg\u00e5ende huller og interne funktioner<\/strong>.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_X-Ray_Inspection-2\"><\/span>Hvad er r\u00f8ntgeninspektion?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>R\u00f8ntgeninspektion bruger kontrolleret r\u00f8ntgenstr\u00e5ling til at visualisere PCB'ernes indre strukturer.<\/p><p>I mods\u00e6tning til optisk inspektion er r\u00f8ntgenbilleder:<\/p><ul class=\"wp-block-list\"><li>Tr\u00e6nger ind i materialer<\/li>\n\n<li>Afsl\u00f8rer indre geometri<\/li>\n\n<li>Viser variationer i t\u00e6thed<\/li><\/ul><p>Det g\u00f8r den ideel til at evaluere <strong>Vias, pletterede gennemg\u00e5ende huller og interne funktioner<\/strong>.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Defects_Commonly_Detected_by_X-Ray_Inspection\"><\/span>Defekter, der ofte opdages ved r\u00f8ntgeninspektion<span class=\"ez-toc-section-end\"><\/span><\/h2><p>R\u00f8ntgeninspektion er is\u00e6r effektiv til at identificere <strong>indre og volumetriske defekter<\/strong>.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Via_and_Hole_Defects\"><\/span>Via- og huldefekter<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Hulrum i kobberbel\u00e6gning<\/li>\n\n<li>Ufuldst\u00e6ndig udfyldning af huller<\/li>\n\n<li>Tynd t\u00f8nde af kobber<\/li>\n\n<li>Forskudte eller forkert justerede vias<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Internal_Structure_Issues\"><\/span>Problemer med den interne struktur<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Fejlregistrering af lag<\/li>\n\n<li>Indvendige shorts<\/li>\n\n<li>Hulrum i harpiks<\/li>\n\n<li>Delamineringslommer<\/li><\/ul><p><em>Fejlmekanismer:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/pcb-reliability-testing-standards\/\">PCB-p\u00e5lidelighedstest forklaret<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"X-Ray_Inspection_vs_AOI\"><\/span>R\u00f8ntgeninspektion vs AOI<span class=\"ez-toc-section-end\"><\/span><\/h2><p>R\u00f8ntgeninspektion og AOI behandler forskellige typer af defekter.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aspekt<\/th><th>AOI<\/th><th>R\u00f8ntgen<\/th><\/tr><\/thead><tbody><tr><td>Synlighed<\/td><td>Kun overflade<\/td><td>Internt<\/td><\/tr><tr><td>Via inspektion<\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><tr><td>Pletteringens kvalitet<\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><tr><td>Hastighed<\/td><td>Hurtigere<\/td><td>Langsommere<\/td><\/tr><tr><td>Omkostninger<\/td><td>Lavere<\/td><td>H\u00f8jere<\/td><\/tr><\/tbody><\/table><\/figure><p>De er <strong>supplerende<\/strong>ikke udskiftelige.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"443\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-1.jpg\" alt=\"R\u00f8ntgeninspektion\" class=\"wp-image-5016\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-1-300x222.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-1-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_X-Ray_Inspection_Is_Applied\"><\/span>N\u00e5r r\u00f8ntgeninspektion anvendes<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Typisk anvendes r\u00f8ntgeninspektion:<\/p><ul class=\"wp-block-list\"><li>Til PCB'er med h\u00f8j densitet eller flere lag<\/li>\n\n<li>P\u00e5 vias med h\u00f8jt aspektforhold<\/li>\n\n<li>Under procesvalidering<\/li>\n\n<li>Til analyse af fejl<\/li><\/ul><p>Det er mindre almindeligt for produkter med lav kompleksitet og store m\u00e6ngder p\u00e5 grund af omkostningerne.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"X-Ray_Inspection_in_HDI_and_High-Reliability_PCBs\"><\/span>R\u00f8ntgeninspektion i HDI og h\u00f8jtydende printkort<span class=\"ez-toc-section-end\"><\/span><\/h2><p>HDI-designs \u00f8ger afh\u00e6ngigheden af:<\/p><ul class=\"wp-block-list\"><li>Mikrovias<\/li>\n\n<li>Stablede eller forskudte vias<\/li>\n\n<li>Tynde dielektrika<\/li><\/ul><p>R\u00f8ntgeninspektion hj\u00e6lper med at verificere:<\/p><ul class=\"wp-block-list\"><li>Microvia-fyldkvalitet<\/li>\n\n<li>Stablet via justering<\/li>\n\n<li>Kobberkontinuitet p\u00e5 tv\u00e6rs af lag<\/li><\/ul><p><em>Proceskompleksitet:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/pcb-manufacturing-process-explained-step-by-step\/\">PCB-fremstillingsproces forklaret<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limitations_of_X-Ray_Inspection\"><\/span>Begr\u00e6nsninger ved r\u00f8ntgeninspektion<span class=\"ez-toc-section-end\"><\/span><\/h2><p>P\u00e5 trods af sine styrker har r\u00f8ntgeninspektion sine begr\u00e6nsninger.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Limitations\"><\/span>Vigtige begr\u00e6nsninger<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Begr\u00e6nset opl\u00f8sning til meget tynde detaljer<\/li>\n\n<li>Fortolkning kr\u00e6ver dygtige ingeni\u00f8rer<\/li>\n\n<li>Kan ikke fuldt ud evaluere den elektriske ydeevne<\/li>\n\n<li>Stikpr\u00f8vebaseret, ikke altid 100%<\/li><\/ul><p>R\u00f8ntgeninspektion identificerer potentielle problemer, men kr\u00e6ver ofte <strong>korrelation med elektrisk eller p\u00e5lidelighedstest<\/strong>.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"X-Ray_Inspection_and_Reliability_Risk_Reduction\"><\/span>R\u00f8ntgeninspektion og reduktion af p\u00e5lidelighedsrisiko<span class=\"ez-toc-section-end\"><\/span><\/h2><p>R\u00f8ntgeninspektion spiller en vigtig rolle i at reducere:<\/p><ul class=\"wp-block-list\"><li>Latent via fejl<\/li>\n\n<li>Problemer med termisk udmattelse<\/li>\n\n<li>Intermitterende elektriske fejl<\/li><\/ul><p>Ved at identificere interne pletteringsfejl tidligt kan producenterne justere:<\/p><ul class=\"wp-block-list\"><li>Boreparametre<\/li>\n\n<li>Kemi til plettering<\/li>\n\n<li>Gr\u00e6nser for billedformat<\/li><\/ul><p><em>Balance mellem omkostninger og kvalitet:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-pcb-quotation-and-order-volume-affect-manufacturing-cost\/\">Afvejning af omkostninger og kvalitet ved PCB-produktion<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"452\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-2.jpg\" alt=\"R\u00f8ntgeninspektion\" class=\"wp-image-5017\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-2-300x226.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/X-Ray-Inspection-2-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_X-Ray_Fits_into_a_Complete_Inspection_Strategy\"><\/span>Hvordan r\u00f8ntgen passer ind i en komplet inspektionsstrategi<span class=\"ez-toc-section-end\"><\/span><\/h2><p>En robust PCB-inspektionsstrategi omfatter typisk:<\/p><ul class=\"wp-block-list\"><li>AOI for overfladefejl<\/li>\n\n<li>R\u00f8ntgen til indre strukturer<\/li>\n\n<li>Elektrisk test for kontinuitet<\/li>\n\n<li>P\u00e5lidelighedstest for langsigtet ydeevne<\/li><\/ul><p>Hos TOPFAST anvendes r\u00f8ntgeninspektion selektivt baseret p\u00e5 <strong>krav til designkompleksitet og p\u00e5lidelighed<\/strong>Det sikrer effektivitet uden un\u00f8dvendige omkostninger.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Konklusion<span class=\"ez-toc-section-end\"><\/span><\/h2><p>R\u00f8ntgeninspektion giver indsigt i de skjulte strukturer i printkort, som optiske metoder ikke kan n\u00e5.<\/p><p>Selv om det ikke er n\u00f8dvendigt for ethvert design, er r\u00f8ntgeninspektion afg\u00f8rende for:<\/p><ul class=\"wp-block-list\"><li>HDI-printkort<\/li>\n\n<li>Anvendelser med h\u00f8j p\u00e5lidelighed<\/li>\n\n<li>Procesvalidering og fejlanalyse<\/li><\/ul><p>Denne artikel udg\u00f8r den anden tekniske s\u00f8jle i <strong>PCB-inspektion og -test<\/strong> klynge.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"X-Ray_Inspection_FAQ\"><\/span>FAQ om r\u00f8ntgeninspektion<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-1768377092954\"><strong class=\"schema-faq-question\">Q: <strong>Kan r\u00f8ntgeninspektion opdage alle PCB-defekter?<\/strong><\/strong> <p class=\"schema-faq-answer\">Den fokuserer p\u00e5 de indre strukturer, ikke p\u00e5 overfladen eller den elektriske ydeevne.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768377126749\"><strong class=\"schema-faq-question\">Q: <strong>Er r\u00f8ntgeninspektion n\u00f8dvendig for alle PCB'er?<\/strong><\/strong> <p class=\"schema-faq-answer\">Det bruges typisk til komplekse eller meget p\u00e5lidelige designs.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768377163253\"><strong class=\"schema-faq-question\">Q: <strong>Erstatter r\u00f8ntgeninspektion elektrisk testning?<\/strong><\/strong> <p class=\"schema-faq-answer\">Elektrisk afpr\u00f8vning kontrollerer kontinuitet og kortslutninger.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768377216845\"><strong class=\"schema-faq-question\">Q: <strong>Kan r\u00f8ntgen opdage mikrovia-defekter?<\/strong><\/strong> <p class=\"schema-faq-answer\">Svar: Ja. Den bruges ofte til evaluering af mikroviafyld.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768377252495\"><strong class=\"schema-faq-question\">Q: <strong>Hvorfor er r\u00f8ntgeninspektion normalt stikpr\u00f8vebaseret?<\/strong><\/strong> <p class=\"schema-faq-answer\">A: P\u00e5 grund af begr\u00e6nsninger i omkostninger og inspektionstid.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>R\u00f8ntgeninspektion i PCB-fremstilling visualiserer interne defekter som hulrum og forskydninger. Selv om den er begr\u00e6nset til at opdage eksterne problemer, supplerer den effektivt AOI og elektrisk testning til omfattende kvalitetskontrol.<\/p>","protected":false},"author":1,"featured_media":5018,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[433],"class_list":["post-5014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-x-ray-inspection"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>X-Ray Inspection in PCB Manufacturing: Detecting Hidden Defects Inside PCBs<\/title>\n<meta name=\"description\" content=\"Understand how X-ray inspection works in PCB manufacturing, what internal defects it detects, its limitations, and how it complements AOI and electrical testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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