{"id":3276,"date":"2025-06-14T08:28:00","date_gmt":"2025-06-14T00:28:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3276"},"modified":"2025-06-16T19:31:48","modified_gmt":"2025-06-16T11:31:48","slug":"what-is-aoi-automated-optical-inspection","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/","title":{"rendered":"Mik\u00e4 on AOI (automaattinen optinen tarkastus)?"},"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\">Sis\u00e4llysluettelo<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#What_is_AOI%EF%BC%9F\" >Mik\u00e4 on AOI\uff1f<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#AOI_System_Working_Principle\" >AOI-j\u00e4rjestelm\u00e4n toimintaperiaate<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#1_Image_Acquisition_Stage\" >1. Kuvanottovaihe<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#2_Image_Preprocessing\" >2.Kuvan esik\u00e4sittely<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#3_Intelligent_Defect_Detection\" >3.\u00c4lyk\u00e4s vikojen havaitseminen<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#4_Output_Feedback\" >4.L\u00e4ht\u00f6 &amp; Palaute<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#AOI_Technology_Advantage\" >AOI Technology Advantage<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#1_Limitations_of_Manual_Inspection\" >1. Manuaalisen tarkastuksen rajoitukset<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#2_Core_Detection_Capabilities_of_AOI\" >2.AOI:n keskeiset havaintokyvyt<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#3_Quantified_Performance_Advantages\" >3.M\u00e4\u00e4r\u00e4lliset suorituskykyedut<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#4_Smart_Manufacturing_Integration\" >4.\u00c4lykk\u00e4\u00e4n valmistuksen integrointi<\/a><\/li><\/ul><\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#The_critical_role_of_AOI_in_SMT_production_lines\" >AOI:n kriittinen rooli SMT-tuotantolinjoissa<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#I_Four_Key_Inspection_Nodes_of_AOI_in_SMT_Process\" >I. AOI:n nelj\u00e4 keskeist\u00e4 tarkastussolmua SMT-prosessissa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#II_Technical-Economic_Comparison_Pre-Reflow_vs_Post-Reflow_AOI\" >II.Teknistaloudellinen vertailu: Pre-Reflow vs. Post-Reflow AOI (AOI ennen virtausta)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#III_Best_Practice_Recommendations\" >III.Parhaita k\u00e4yt\u00e4nt\u00f6j\u00e4 koskevat suositukset<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#AOI_Inspection_Quick_Reference_Guide\" >AOI-tarkastuksen pikaopas<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#1_Character_Misjudgment\" >1. Luonteen virhearviointi<\/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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#2_Inspection_Blind_Spots\" >2.Tarkastuksen sokeat kohdat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#3_Solder_Joint_Standards_Debate\" >3.Keskustelu juotosliitosten standardeista<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#4_Implementation_Results\" >4.T\u00e4yt\u00e4nt\u00f6\u00f6npanon tulokset<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#5_Quick_Troubleshooting_Table\" >5.Nopea vianm\u00e4\u00e4ritystaulukko<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#AOI_Technology_Applications_and_Industry_Coverage\" >AOI-teknologian sovellukset ja teollisuuden kattavuus<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#1_Core_Application_Fields\" >1. Keskeiset sovelluskent\u00e4t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#2_Broad_Industrial_Applications\" >2.Laajat teolliset sovellukset<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#3_Emerging_Technology_Integration\" >3.Kehittyv\u00e4n teknologian integrointi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#4_Technology_Selection_Guide\" >4.Teknologian valintaopas<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/#Conclusion\" >P\u00e4\u00e4telm\u00e4<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_AOI%EF%BC%9F\"><\/span>Mik\u00e4 on <strong>AOI<\/strong>\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2><p>AOI (Automated Optical Inspection, automaattinen optinen tarkastus) on konen\u00e4k\u00f6\u00f6n perustuva korkean tarkkuuden teollinen tunnistusj\u00e4rjestelm\u00e4, jota k\u00e4ytet\u00e4\u00e4n p\u00e4\u00e4asiassa seuraavien tuotteiden laadunvalvontaan <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/printed-circuit-board-pcb\/\">painetut piirilevyt<\/a> (PCB). Sen perusperiaatteena on yhdist\u00e4\u00e4 nopea optinen kuvantaminen \u00e4lykk\u00e4isiin algoritmeihin, jotta voidaan automaattisesti tunnistaa piirilevyjen kokoonpanovirheet (esim. komponenttien v\u00e4\u00e4r\u00e4 suuntaus, puuttuvat osat) ja juotosongelmat (esim. sillat, kylm\u00e4t liitokset).<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AOI_System_Working_Principle\"><\/span><strong>AOI-j\u00e4rjestelm\u00e4n toimintaperiaate<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Image_Acquisition_Stage\"><\/span>1. Kuvanottovaihe<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Korkean tarkkuuden kuvantaminen<\/strong>: Hy\u00f6dynt\u00e4\u00e4 rengasvalaistuksella varustettuja teollisia CMOS\/CCD-kameroita PCB:n pinnan piirteiden kuvaamiseen mikronitason tarkkuudella.<\/li>\n\n<li><strong>Moniulotteinen kaappaus<\/strong>: Tukee 2D-tarkastusta (juotosliitokset \/ silkkipinta) ja 3D-topografian analysointia (juotospastan korkeus \/ komponenttien koplanaarisuus).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Image_Preprocessing\"><\/span>2.Kuvan esik\u00e4sittely<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Melunvaimennus<\/strong>: Sovelletaan Gaussin suodatusta ja morfologisia operaatioita optisten h\u00e4iri\u00f6iden poistamiseksi.<\/li>\n\n<li><strong>Ominaisuuden parantaminen<\/strong>: K\u00e4ytt\u00e4\u00e4 reunojen ter\u00e4v\u00f6itt\u00e4mist\u00e4 ja HDR-fuusiota kohdealueen kontrastin parantamiseksi.<\/li>\n\n<li><strong>Koordinaattien kohdistaminen<\/strong>: Suorittaa CAD-kuvasta kuvaan -rekister\u00f6innin k\u00e4ytt\u00e4en referenssimerkkej\u00e4 vertailupistein\u00e4.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Intelligent_Defect_Detection\"><\/span>3.\u00c4lyk\u00e4s vikojen havaitseminen<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Standardeihin perustuva todentaminen<\/strong>: Tarkistaa komponenttien sijoittelun\/polarisuuden\/juotosliitoksen morfologian IPC-A-610-kriteerej\u00e4 vasten.<\/li>\n\n<li><strong>Hybridialgoritmit<\/strong>:<br>Perinteinen: Mallien t\u00e4sm\u00e4ytys, Blob-analyysi<br>Teko\u00e4lyn avulla:CNN-verkot hautakivien, kylm\u00e4n juotoksen jne. havaitsemiseen.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Output_Feedback\"><\/span>4.L\u00e4ht\u00f6 &amp; Palaute<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Porrastettu h\u00e4lytys<\/strong>: K\u00e4ynnist\u00e4\u00e4 visuaaliset\/\u00e4\u00e4nih\u00e4lytykset vian vakavuuden mukaan (kriittinen\/merkitt\u00e4v\u00e4\/pieni).<\/li>\n\n<li><strong>J\u00e4rjestelm\u00e4n integrointi<\/strong>: Synkronoi NG-tulokset MES-j\u00e4rjestelm\u00e4\u00e4n korjausaseman koordinaattien kanssa.<\/li>\n\n<li><strong>Prosessin optimointi<\/strong>: Tarjoaa SPC-tietoja reflow-uunin\/pick-and-place-koneen viritt\u00e4mist\u00e4 varten.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcb-test.jpg\" alt=\"AOI-testi\" class=\"wp-image-3218\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcb-test.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcb-test-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/pcb-test-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AOI_Technology_Advantage\"><\/span>AOI Technology Advantage<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Limitations_of_Manual_Inspection\"><\/span><strong>1. Manuaalisen tarkastuksen rajoitukset<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Varhainen PCB-tarkastus perustui manuaalisiin visuaalisiin tarkastuksiin.Kuitenkin, kun <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/high-density-interconnector-pcb\/\">suuritiheyksinen yhteenliit\u00e4nt\u00e4<\/a> (HDI)<\/strong> mallit ja <strong>massatuotanto<\/strong> vaatimukset, manuaalisiin menetelmiin liittyy kolme kriittist\u00e4 haastetta:<\/p><ul class=\"wp-block-list\"><li><strong>V\u00e4h\u00e4inen luotettavuus<\/strong>: Altis v\u00e4symykselle ja subjektiiviselle arvostelukyvylle, ja vikojen karkaamisprosentti on suurempi kuin <strong>15%<\/strong><\/li>\n\n<li><strong>Tehottomuus<\/strong>: Tarkastusnopeus <strong>&lt;0,5 lautaa\/minuutti<\/strong>, yhteensopimaton nykyaikaisten SMT-linjasyklien kanssa<\/li>\n\n<li><strong>Nousevat kustannukset<\/strong>: Ty\u00f6voiman osuus <strong>8%-12%<\/strong> PCB:n kokonaiskustannuksista ja pitkist\u00e4 koulutusvaatimuksista<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Core_Detection_Capabilities_of_AOI\"><\/span><strong>2.AOI:n keskeiset havaintokyvyt<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Tunnistaa tarkasti <strong>7 p\u00e4\u00e4vikaluokkaa<\/strong>:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Vian tyyppi<\/th><th>Esimerkkej\u00e4<\/th><th>Havaintotarkkuus<\/th><\/tr><\/thead><tbody><tr><td>Komponentin sijoittaminen<\/td><td>Puuttuvat, v\u00e4\u00e4r\u00e4 suuntaus ja k\u00e4\u00e4nteinen napaisuus<\/td><td><strong>\u00b125\u03bcm<\/strong><\/td><\/tr><tr><td>Juotosliitoksen laatu<\/td><td>Kylm\u00e4 juote, siltojen muodostuminen ja riitt\u00e4m\u00e4t\u00f6n juote.<\/td><td><strong>5% halkaisijan toleranssi<\/strong><\/td><\/tr><tr><td>Lyijyn muotovirheet<\/td><td>Taivutetut, nostetut, ei-koplanaariset johdot<\/td><td><strong>15\u03bcm resoluutio<\/strong><\/td><\/tr><\/tbody><\/table><\/figure><p><strong>Ainutlaatuiset edut perinteisiin menetelmiin verrattuna<\/strong>:<\/p><ul class=\"wp-block-list\"><li><strong>Poistaa testin kuolleet kulmat<\/strong>: Havaitsee BGA-alit\u00e4yt\u00f6n, 0201-komponentit ja muut alueet, joihin ICT-anturit eiv\u00e4t p\u00e4\u00e4se k\u00e4siksi.<\/li>\n\n<li><strong>Suljetun silmukan data-analytiikka<\/strong>: Reaaliaikainen vikojen luokittelu (esim. 30 %:n sabluunapainovirheiden tunnistaminen) mahdollistaa prosessin optimoinnin.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Quantified_Performance_Advantages\"><\/span><strong>3.M\u00e4\u00e4r\u00e4lliset suorituskykyedut<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Metrinen<\/th><th>AOI-tarkastus<\/th><th>Manuaalinen tarkastus<\/th><th>Parannus<\/th><\/tr><\/thead><tbody><tr><td>Tarkkuus<\/td><td>Havaitsee <strong>0,01mm\u00b2 vikoja<\/strong><\/td><td>Inhimillinen raja: <strong>0,1mm\u00b2<\/strong><\/td><td><strong>10x parempi<\/strong><\/td><\/tr><tr><td>Nopeus<\/td><td><strong>20 lautaa\/minuutti<\/strong> (kaksikaistainen)<\/td><td><strong>0,3 lautaa\/minuutti<\/strong><\/td><td><strong>66x nopeampi<\/strong><\/td><\/tr><tr><td>Johdonmukaisuus<\/td><td><strong>CpK \u22651,67<\/strong><\/td><td>CpK \u22641,0<\/td><td><strong>Saanto \u219140%<\/strong><\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Smart_Manufacturing_Integration\"><\/span><strong>4.\u00c4lykk\u00e4\u00e4n valmistuksen integrointi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Reaaliaikainen palaute<\/strong>: K\u00e4ynnist\u00e4\u00e4 MES-ilmoitukset korjausaseman koordinaateilla (<strong>&lt;2 sekunnin vastaus<\/strong>)<\/li>\n\n<li><strong>Ennakoiva kunnossapito<\/strong>: SPC-pohjainen trendianalyysi ennustaa ongelmia, kuten sabluunan tukkeutumista.<\/li>\n\n<li><strong>Kustannustehokkuus<\/strong>: Tyypillinen <strong>ROI &lt;6 kuukautta<\/strong> kanssa <strong>50-70 % v\u00e4hemm\u00e4n romua<\/strong><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/Through-Hole-Technology-1-1.jpg\" alt=\"AOI-testi\" class=\"wp-image-3088\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/Through-Hole-Technology-1-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/Through-Hole-Technology-1-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/Through-Hole-Technology-1-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_critical_role_of_AOI_in_SMT_production_lines\"><\/span>AOI:n kriittinen rooli SMT-tuotantolinjoissa<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"I_Four_Key_Inspection_Nodes_of_AOI_in_SMT_Process\"><\/span>I. AOI:n nelj\u00e4 keskeist\u00e4 tarkastussolmua SMT-prosessissa<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Post-juotospastatarkastus (SPI-AOI-integraatio)<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Ydintoiminto: Mittaa massan paksuuden (\u00b15\u03bcm), peittoalueen ja siltausvirheet.<\/li>\n\n<li>Ennaltaehk\u00e4isev\u00e4 arvo:est\u00e4\u00e4 reflow-virheit\u00e4 (60 %:n parannus virheiden havaitsemisasteeseen): Sabluunan tukkeutumisen\/virheellisen linjauksen varhainen havaitseminen est\u00e4\u00e4 reflow-virheet (60 %:n parannus virheiden havaitsemisasteeseen)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Piirin j\u00e4lkeinen komponenttien sijoittelu (Chip Mounterin j\u00e4lkeen)<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Keskity: Puuttuvat, k\u00e4\u00e4nteiset tai v\u00e4\u00e4rin kohdistetut 0201\/0402-komponentit (\u00b115\u03bcm tarkkuus).<\/li>\n\n<li>Kustannusetu:Uudelleenk\u00e4sittelykustannukset t\u00e4ss\u00e4 vaiheessa ovat vain 1\/20 uudelleenvirtauksen j\u00e4lkeisest\u00e4 korjauksesta.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Post-IC-komponenttien sijoittaminen (Fine-pitch-laitteet)<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Kriittinen kyky: Tunnistaa QFP\/BGA:n polariteettivirheet ja johtojen koplanaarisuuden (0,5\u00b0 kulmatarkkuus).<\/li>\n\n<li>Prosessin valvonta:Reaaliaikainen tiedonvaihto pick-and-place-koneiden kanssa automaattista offset-korjausta varten.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Uudelleenvirtauksen j\u00e4lkeinen lopputarkastus (kattava vikojen seulonta)<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Keskeiset haasteet:<br>3D-juotosliitoksen morfologian havaitseminen (vaatii 10\u03bcm Z-akselin resoluution).<br>Varjostettujen alueiden tarkastus (esim. QFN:n pohjap\u00e4\u00e4tteet)<\/li>\n\n<li>Teollisuuden tila: 99,5 % verrattuna pre-reflow AOI:n 99,5 %:iin.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"II_Technical-Economic_Comparison_Pre-Reflow_vs_Post-Reflow_AOI\"><\/span>II.Teknistaloudellinen vertailu: Pre-Reflow vs. Post-Reflow AOI (AOI ennen virtausta)<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Mitta<\/th><th>Pre-Reflow AOI<\/th><th>Post-Reflow AOI<\/th><\/tr><\/thead><tbody><tr><td><strong>Focus<\/strong><\/td><td>Prosessin ehk\u00e4isy<\/td><td>Laadunvarmistus<\/td><\/tr><tr><td><strong>Keskeinen mittari<\/strong><\/td><td>V\u00e4\u00e4rien puhelujen m\u00e4\u00e4r\u00e4 &lt;0,1 %<\/td><td>Karkaamisprosentti ~8%<\/td><\/tr><tr><td><strong>Kustannustehokkuus<\/strong><\/td><td>0,002 dollaria\/lauta<\/td><td>0,15 dollaria\/levyn j\u00e4lkity\u00f6<\/td><\/tr><tr><td><strong>Tekninen haaste<\/strong><\/td><td>Nopea dynaaminen tarkastus (\u226545cm\/s)<\/td><td>Monimutkainen 3D-juotosliitoksen rekonstruktio<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"III_Best_Practice_Recommendations\"><\/span>III.Parhaita k\u00e4yt\u00e4nt\u00f6j\u00e4 koskevat suositukset<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Laitteiden valintastrategia<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Pre-reflow: Koh Young KY8030).<\/li>\n\n<li>J\u00e4lkihuuhtelu:3D-konfokaalimikroskopia (esim. Omron VT-S730).<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Suljetun silmukan datasovellus<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>SPC-ohjauskarttojen laatiminen (automaattinen sabluunan puhdistus k\u00e4ynnistyy, kun massan virheet ovat yli 3 %).<\/li>\n\n<li>Sijoittelun offset-tiedon sy\u00f6tt\u00e4minen takaisin pick-and-place-koneisiin MES:n kautta (\u00b17\u03bcm kompensointitarkkuus).<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Tulevaisuuden kehityssuuntaukset<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Virtuaalinen AOI syv\u00e4oppimisen avulla (EDA-vaiheen vikariskin ennustaminen)<\/li>\n\n<li>Multimodaalinen tarkastus (r\u00f6ntgen- ja AOI-tietojen yhdist\u00e4minen kokonaisvaltaista juotosliitoksen mallintamista varten)<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AOI_Inspection_Quick_Reference_Guide\"><\/span><strong>AOI-tarkastuksen pikaopas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Character_Misjudgment\"><\/span><strong>1. Luonteen virhearviointi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Kysymys<\/strong>: Komponenttien ep\u00e4selvist\u00e4\/ep\u00e4johdonmukaisista merkinn\u00f6ist\u00e4 johtuvat v\u00e4\u00e4r\u00e4t puhelut.<\/li>\n\n<li><strong>Ratkaisut<\/strong>:<\/li>\n\n<li>K\u00e4yt\u00e4 <strong>monispektrikuvantaminen<\/strong> (n\u00e4kyv\u00e4 + IR)<\/li>\n\n<li>S\u00e4\u00e4d\u00e4 harmaas\u00e4vytoleranssi (<strong>\u0394E &lt; 15<\/strong>)<\/li>\n\n<li>V\u00e4henn\u00e4 kriittisi\u00e4 luonnetarkistuksia<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Inspection_Blind_Spots\"><\/span><strong>2.Tarkastuksen sokeat kohdat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Yhteiset sokeat kohdat<\/strong>:<\/li>\n\n<li>Korkean komponentin varjot \u2192 <strong>45\u00b0 rengasvalo + sivuvalaistus<\/strong><\/li>\n\n<li>BGA:n alaosan juotosliitokset \u2192 <strong>Konfokaalimikroskopian kerroskuvaus<\/strong><\/li>\n\n<li>Komponentit &lt;3mm levyn reunasta \u2192 <strong>Suunnittelu 5 mm:n suojavy\u00f6hyke<\/strong><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Solder_Joint_Standards_Debate\"><\/span><strong>3.Keskustelu juotosliitosten standardeista<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Keskeiset parametrit<\/strong>:<\/li>\n\n<li>Sirukomponentit: <strong>Kostutuskulma 25\u00b0-55\u00b0, Xc\/Xi=1.2-1.8<\/strong><\/li>\n\n<li>QFP-komponentit: <strong>Juotos t\u00e4yte \u226550% lyijyn paksuus<\/strong><\/li>\n\n<li><strong>Suunnittelus\u00e4\u00e4nt\u00f6<\/strong>:<\/li><\/ul><pre class=\"wp-block-code\"><code>  Tyynyn pidennys = Komponentin pituus \u00d7 0,25\n V\u00e4himm\u00e4isv\u00e4li = Komponentin keskim\u00e4\u00e4r\u00e4inen korkeus + 0,5 mm.<\/code><\/pre><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Implementation_Results\"><\/span><strong>4.T\u00e4yt\u00e4nt\u00f6\u00f6npanon tulokset<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Tyypillisi\u00e4 parannuksia:<br><strong>V\u00e4\u00e4rien puhelujen m\u00e4\u00e4r\u00e4 \u219370%.<\/strong><br><strong>Tarkastusnopeus \u219125%<\/strong><\/li>\n\n<li>H\u00e4t\u00e4korjaus:<br>Jos liikaa v\u00e4\u00e4ri\u00e4 puheluita \u2192 <strong>Merkkien tarkistuksen poistaminen k\u00e4yt\u00f6st\u00e4<\/strong> tai ota k\u00e4ytt\u00f6\u00f6n <strong>&#8220;Oppimistila&#8221;<\/strong><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Quick_Troubleshooting_Table\"><\/span><strong>5.Nopea vianm\u00e4\u00e4ritystaulukko<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Asiatyyppi<\/th><th>Ensisijainen korjaus<\/th><th>Varmuuskopiointiratkaisu<\/th><\/tr><\/thead><tbody><tr><td>Merkkivirheet<\/td><td>S\u00e4\u00e4d\u00e4 harmaas\u00e4vykynnyst\u00e4<\/td><td>Merkkien tarkistuksen poistaminen k\u00e4yt\u00f6st\u00e4<\/td><\/tr><tr><td>Juotosliitos pett\u00e4\u00e4<\/td><td>Lis\u00e4\u00e4 sivuvalaistus<\/td><td>Manuaalinen uudelleentarkastusalue<\/td><\/tr><tr><td>Varjostush\u00e4iri\u00f6t<\/td><td>K\u00e4\u00e4nn\u00e4 piirilevy\u00e4 90\u00b0<\/td><td>Merkitse suojavy\u00f6hykkeeksi<\/td><\/tr><\/tbody><\/table><\/figure><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-3.jpg\" alt=\"AOI-testi\" class=\"wp-image-3274\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AOI_Technology_Applications_and_Industry_Coverage\"><\/span><strong>AOI-teknologian sovellukset ja teollisuuden kattavuus<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Core_Application_Fields\"><\/span><strong>1. Keskeiset sovelluskent\u00e4t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>SMT Elektroniikan valmistus<\/strong> (Ensisijainen toimialue)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Tarkastuskohteet<\/strong>:<br>Juotosliitoksen laatu (tyhj\u00e4t kohdat\/sillat\/riitt\u00e4m\u00e4t\u00f6n juote)<br>Komponenttien sijoittelu (v\u00e4\u00e4r\u00e4n suuntainen\/vastakkainen\/puuttuva)<br>Napaisuuden tarkistus (tantaalikondensaattoreiden\/diodien suuntaus)<\/li>\n\n<li><strong>Alan standardit<\/strong>:<br>IPC-A-610 luokka 3 (ilmailu- ja l\u00e4\u00e4ketieteellinen luokka).<br>Tunnistustarkkuus: \u00b115\u03bcm (0201 komponenttitaso)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>N\u00e4ytt\u00f6paneelien tuotanto<\/strong> (LCD\/OLED)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Kriittiset tarkastukset<\/strong>:<br>Pikselivirheet (kirkkaat\/tummat kohdat\/viivavirheet)<br>Kohdistustarkkuus (paneelin siirtym\u00e4 &lt;3\u03bcm)<br>Liiman tasaisuus (UV-liiman leveyden toleranssi \u00b150\u03bcm)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Broad_Industrial_Applications\"><\/span><strong>2.Laajat teolliset sovellukset<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ala<\/th><th>Tyypilliset k\u00e4ytt\u00f6tapaukset<\/th><th>Tekniset ominaisuudet<\/th><\/tr><\/thead><tbody><tr><td><strong>Puolijohdepakkaukset<\/strong><\/td><td>Kiekon kuoppakorkeuden tarkastus (\u00b11\u03bcm)<\/td><td>3D-konfokaalimikroskopia<\/td><\/tr><tr><td><strong>Autoteollisuuden elektroniikka<\/strong><\/td><td>Moottorin ECU:n juotosliitoksen 100-prosenttinen tarkastus (nollavikavaatimus)<\/td><td>T\u00e4rin\u00e4nkest\u00e4v\u00e4 inline-j\u00e4rjestelm\u00e4<\/td><\/tr><tr><td><strong>Biol\u00e4\u00e4ketiede<\/strong><\/td><td>Mikrofluidisen sirun kanavan eheyden tarkastus<\/td><td>Sub-mikronin valkean valon interferometria<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Emerging_Technology_Integration\"><\/span><strong>3.Kehittyv\u00e4n teknologian integrointi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u00c4lykk\u00e4\u00e4n tehtaan toteuttaminen<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>MES-j\u00e4rjestelm\u00e4n integrointi mahdollistaa:<br>Reaaliaikainen tuoton seuranta (tietojen p\u00e4ivitysnopeus \u22642s)<br>Adaptiiviset havaintokynnykset (teko\u00e4lyohjattu parametrin s\u00e4\u00e4t\u00f6)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Toimialarajat ylitt\u00e4v\u00e4 laajentuminen<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Elintarvikepakkaukset<\/strong>: Alumiinifolion tiivisteen eheyden tarkistus (0,1 mm tarkkuus)<\/li>\n\n<li><strong>Tekstiiliteollisuus<\/strong>: Kangasvian automaattinen lajittelu (30m\/min nopeus).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Technology_Selection_Guide\"><\/span><strong>4.Teknologian valintaopas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Elektroniikan valmistuksen painopistealue<\/strong>:<\/li><\/ol><ul class=\"wp-block-list\"><li>Integroidut 3D SPI+AOI-j\u00e4rjestelm\u00e4t (esim. Koh Young KY8030)<\/li>\n\n<li>Pienin havaittava komponentti: 01005 (40\u03bcm\u00d720\u03bcm).<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Yleiset teolliset suositukset<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Yleisp\u00e4teviss\u00e4 AOI-j\u00e4rjestelmiss\u00e4 olisi oltava seuraavat ominaisuudet:<br>Monispektrinen valaistus (metalli-\/muovialustoille)<br>IP54-suojausluokitus (p\u00f6lyn-\/\u00f6ljynkest\u00e4vyys)<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>P\u00e4\u00e4telm\u00e4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Automaattinen optinen tarkastus (AOI) -tekniikka on nykyaikaisen valmistuksen keskeinen laadunvalvontakeino, ja se on laajentunut perinteisest\u00e4 SMT-elektroniikan valmistuksesta erilaisille aloille, kuten LCD-paneeleihin, puolijohdepakkauksiin, autoelektroniikkaan ja biol\u00e4\u00e4ketieteeseen. Sen ydinarvo on korkean tarkkuuden optisen kuvantamisen (\u00b115\u03bcm) ja \u00e4lykk\u00e4iden algoritmien (esim. syv\u00e4oppiminen) yhdistelm\u00e4ss\u00e4, jonka avulla voidaan havaita juotosliitosten viat, komponenttien sijoitusvirheet ja napaisuusongelmat automaattisesti ja samalla yhdist\u00e4\u00e4 MES-j\u00e4rjestelm\u00e4\u00e4n, jotta voidaan muodostaa suljettu tietosilmukka \u00e4lykk\u00e4\u00e4n valmistuksen p\u00e4ivitt\u00e4misen edist\u00e4miseksi. Tulevaisuudessa AOI integroidaan syv\u00e4llisesti r\u00f6ntgens\u00e4teilyyn ja teko\u00e4lyn ennakoivaan kunnossapitoon, jotta havaitsemisraja voidaan rikkoa ja siit\u00e4 tulee v\u00e4ltt\u00e4m\u00e4t\u00f6n \"laadunvartija\" teollisuus 4.0:n aikakaudella.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>AOI-tekniikan keskeiset sovellukset SMT-, puolijohde- ja autoelektroniikkateollisuudessa, mukaan lukien miten automaattinen optinen tarkastus toimii, teollisuuden kipupisteiden ratkaisut (esim. 3D SPI inline -j\u00e4rjestelm\u00e4) ja miten saavutetaan 99,5 %:n vikojen havaitsemisaste teko\u00e4lyn ja MES-integraation avulla.<\/p>","protected":false},"author":1,"featured_media":3272,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[283,111],"class_list":["post-3276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-aoi","tag-pcb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is AOI(Automated Optical Inspection)? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"The core applications of AOI technology in SMT, semiconductor, and automotive electronics, including how automated optical inspection works, industry pain point solutions (e.g., 3D SPI inline system)\" \/>\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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is AOI(Automated Optical Inspection)? - Topfastpcb\" \/>\n<meta property=\"og:description\" content=\"The core applications of AOI technology in SMT, semiconductor, and automotive electronics, including how automated optical inspection works, industry pain point solutions (e.g., 3D SPI inline system)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-14T00:28:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-16T11:31:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"402\" \/>\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=\"Kirjoittanut\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"Arvioitu lukuaika\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minuuttia\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"What is AOI(Automated Optical Inspection)?\",\"datePublished\":\"2025-06-14T00:28:00+00:00\",\"dateModified\":\"2025-06-16T11:31:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/\"},\"wordCount\":1149,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg\",\"keywords\":[\"AOI\",\"PCB\"],\"articleSection\":[\"FAQ\"],\"inLanguage\":\"fi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/\",\"name\":\"What is AOI(Automated Optical Inspection)? - Topfastpcb\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg\",\"datePublished\":\"2025-06-14T00:28:00+00:00\",\"dateModified\":\"2025-06-16T11:31:48+00:00\",\"description\":\"The core applications of AOI technology in SMT, semiconductor, and automotive electronics, including how automated optical inspection works, industry pain point solutions (e.g., 3D SPI inline system)\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#breadcrumb\"},\"inLanguage\":\"fi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fi\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg\",\"width\":600,\"height\":402,\"caption\":\"AOI test\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is AOI(Automated Optical Inspection)?\"}]},{\"@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\":\"fi\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fi\",\"@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\/fi\/blog\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is AOI(Automated Optical Inspection)? - Topfastpcb","description":"The core applications of AOI technology in SMT, semiconductor, and automotive electronics, including how automated optical inspection works, industry pain point solutions (e.g., 3D SPI inline system)","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\/fi\/blog\/what-is-aoi-automated-optical-inspection\/","og_locale":"fi_FI","og_type":"article","og_title":"What is AOI(Automated Optical Inspection)? - Topfastpcb","og_description":"The core applications of AOI technology in SMT, semiconductor, and automotive electronics, including how automated optical inspection works, industry pain point solutions (e.g., 3D SPI inline system)","og_url":"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-aoi-automated-optical-inspection\/","og_site_name":"Topfastpcb","article_published_time":"2025-06-14T00:28:00+00:00","article_modified_time":"2025-06-16T11:31:48+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg","type":"image\/jpeg"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"Kirjoittanut":"\u6258\u666e\u6cd5\u65af\u7279","Arvioitu lukuaika":"6 minuuttia"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"What is AOI(Automated Optical Inspection)?","datePublished":"2025-06-14T00:28:00+00:00","dateModified":"2025-06-16T11:31:48+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/"},"wordCount":1149,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg","keywords":["AOI","PCB"],"articleSection":["FAQ"],"inLanguage":"fi"},{"@type":"WebPage","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/","url":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/","name":"What is AOI(Automated Optical Inspection)? - Topfastpcb","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg","datePublished":"2025-06-14T00:28:00+00:00","dateModified":"2025-06-16T11:31:48+00:00","description":"The core applications of AOI technology in SMT, semiconductor, and automotive electronics, including how automated optical inspection works, industry pain point solutions (e.g., 3D SPI inline system)","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#breadcrumb"},"inLanguage":"fi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/"]}]},{"@type":"ImageObject","inLanguage":"fi","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg","width":600,"height":402,"caption":"AOI test"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-aoi-automated-optical-inspection\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"What is AOI(Automated Optical Inspection)?"}]},{"@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":"fi"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"fi","@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\/fi\/blog\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts\/3276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/comments?post=3276"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts\/3276\/revisions"}],"predecessor-version":[{"id":3277,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts\/3276\/revisions\/3277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/media\/3272"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/media?parent=3276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/categories?post=3276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/tags?post=3276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}