{"id":35286,"date":"2026-07-20T12:58:16","date_gmt":"2026-07-20T10:58:16","guid":{"rendered":"https:\/\/amtest-group.com\/?post_type=blog&#038;p=35286"},"modified":"2026-07-20T13:06:22","modified_gmt":"2026-07-20T11:06:22","slug":"rentgenova-kontrola-pri-vyrobe-pcb-odhalovani-skrytych-vad-pro-maximalni-spolehlivost-elektroniky","status":"publish","type":"blog","link":"https:\/\/amtest-group.com\/cs\/blog\/rentgenova-kontrola-pri-vyrobe-pcb-odhalovani-skrytych-vad-pro-maximalni-spolehlivost-elektroniky\/","title":{"rendered":"Rentgenov\u00e1 kontrola p\u0159i v\u00fdrob\u011b PCB: Odhalov\u00e1n\u00ed skryt\u00fdch vad pro maxim\u00e1ln\u00ed spolehlivost elektroniky"},"content":{"rendered":"<p>S rostouc\u00ed miniaturizac\u00ed, v\u00fdkonem a slo\u017eitost\u00ed elektronick\u00fdch za\u0159\u00edzen\u00ed se zaji\u0161t\u011bn\u00ed spolehlivosti desek plo\u0161n\u00fdch spoj\u016f (PCB) st\u00e1v\u00e1 jednou z nejv\u011bt\u0161\u00edch v\u00fdzev modern\u00ed v\u00fdroby elektroniky. Tradi\u010dn\u00ed metody kontroly, jako je vizu\u00e1ln\u00ed kontrola, SPI (Solder Paste Inspection) a AOI (Automated Optical Inspection), poskytuj\u00ed vynikaj\u00edc\u00ed kontrolu kvality v mnoha f\u00e1z\u00edch v\u00fdroby, ale maj\u00ed sv\u00e1 omezen\u00ed p\u0159i kontrole skryt\u00fdch oblast\u00ed elektronick\u00fdch sestav.<\/p>\n<p>Mnoho modern\u00edch elektronick\u00fdch sou\u010d\u00e1stek, v\u010detn\u011b BGA (Ball Grid Array), QFN (Quad Flat No-leads) a dal\u0161\u00edch pokro\u010dil\u00fdch polovodi\u010dov\u00fdch pouzder, obsahuje p\u00e1jen\u00e9 spoje um\u00edst\u011bn\u00e9 pod t\u011blem sou\u010d\u00e1stky, kter\u00e9 nelze kontrolovat pomoc\u00ed optick\u00fdch syst\u00e9m\u016f. Pr\u00e1v\u011b zde se st\u00e1v\u00e1 z\u00e1sadn\u00ed technologie automatick\u00e9 rentgenov\u00e9 kontroly (Automated X-Ray Inspection \u2013 AXI).<\/p>\n<p>Rentgenov\u00e1 kontrola umo\u017e\u0148uje v\u00fdrobc\u016fm nahl\u00e9dnout dovnit\u0159 sestav PCB a analyzovat skryt\u00e9 p\u00e1jen\u00e9 spoje, vnit\u0159n\u00ed struktury a potenci\u00e1ln\u00ed vady, kter\u00e9 by jinak z\u016fstaly neodhaleny. D\u00edky detailn\u00edm informac\u00edm o kvalit\u011b p\u00e1jen\u00fdch spoj\u016f pom\u00e1haj\u00ed AXI syst\u00e9my zvy\u0161ovat spolehlivost v\u00fdrobk\u016f, sni\u017eovat po\u010det poruch a zajistit, \u017ee elektronick\u00e1 za\u0159\u00edzen\u00ed spl\u0148uj\u00ed p\u0159\u00edsn\u00e9 po\u017eadavky na kvalitu.<\/p>\n<h2>Co je automatick\u00e1 rentgenov\u00e1 kontrola (AXI)?<\/h2>\n<p>Automated X-Ray Inspection (AXI) je pokro\u010dil\u00e1 technologie kontroly kvality pou\u017e\u00edvan\u00e1 p\u0159i v\u00fdrob\u011b PCB, kter\u00e1 vyu\u017e\u00edv\u00e1 rentgenov\u00e9 zobrazov\u00e1n\u00ed pro kontrolu elektronick\u00fdch sestav. Na rozd\u00edl od optick\u00fdch kontroln\u00edch syst\u00e9m\u016f, kter\u00e9 analyzuj\u00ed pouze viditeln\u00e9 povrchy, AXI technologie pronik\u00e1 skrz sou\u010d\u00e1stky a materi\u00e1ly a umo\u017e\u0148uje kontrolu vnit\u0159n\u00edch struktur a skryt\u00fdch spoj\u016f.<\/p>\n<p>Hlavn\u00edm \u00fa\u010delem AXI je odhalit vady, kter\u00e9 nelze zjistit pomoc\u00ed tradi\u010dn\u00edch kontroln\u00edch metod. Pat\u0159\u00ed sem probl\u00e9my uvnit\u0159 p\u00e1jen\u00fdch spoj\u016f, pod polovodi\u010dov\u00fdmi pouzdry nebo ve v\u00edcevrstv\u00fdch struktur\u00e1ch PCB.<\/p>\n<p>B\u011bhem kontroly generuje rentgenov\u00fd zdroj z\u00e1\u0159en\u00ed, kter\u00e9 proch\u00e1z\u00ed sestavou PCB. Detektor zachyt\u00e1v\u00e1 pro\u0161l\u00e9 sign\u00e1ly a vytv\u00e1\u0159\u00ed detailn\u00ed obraz vnit\u0159n\u00ed struktury desky. Specializovan\u00fd software n\u00e1sledn\u011b tyto sn\u00edmky analyzuje a porovn\u00e1v\u00e1 s p\u0159edem definovan\u00fdmi kvalitativn\u00edmi parametry.<\/p>\n<p>Modern\u00ed AXI syst\u00e9my \u010dasto vyu\u017e\u00edvaj\u00ed um\u011blou inteligenci, automatick\u00e9 rozpozn\u00e1v\u00e1n\u00ed vad a pokro\u010dil\u00e9 algoritmy pro zpracov\u00e1n\u00ed obrazu, kter\u00e9 zvy\u0161uj\u00ed p\u0159esnost kontroly a sni\u017euj\u00ed po\u010det fale\u0161n\u00fdch detekc\u00ed.<\/p>\n<h2>Pro\u010d je rentgenov\u00e1 kontrola d\u016fle\u017eit\u00e1 p\u0159i v\u00fdrob\u011b PCB?<\/h2>\n<p>Rostouc\u00ed slo\u017eitost elektronick\u00fdch produkt\u016f p\u0159in\u00e1\u0161\u00ed v\u00fdrobc\u016fm nov\u00e9 v\u00fdzvy. Sou\u010d\u00e1stky jsou st\u00e1le men\u0161\u00ed, n\u00e1vrhy PCB jsou hust\u0161\u00ed a p\u00e1jen\u00e9 spoje jsou obt\u00ed\u017en\u011bji kontrolovateln\u00e9 tradi\u010dn\u00edmi metodami.<\/p>\n<p>Nap\u0159\u00edklad komponenta BGA m\u016f\u017ee obsahovat stovky nebo dokonce tis\u00edce p\u00e1jec\u00edch kuli\u010dek ukryt\u00fdch pod pouzdrem sou\u010d\u00e1stky. Tyto spoje jsou z\u00e1sadn\u00ed pro spr\u00e1vnou funkci za\u0159\u00edzen\u00ed, ale po sestaven\u00ed je nelze vizu\u00e1ln\u011b zkontrolovat.<\/p>\n<p>Bez rentgenov\u00e9 kontroly mohou tyto vady z\u016fstat neodhaleny a\u017e do fin\u00e1ln\u00edho testov\u00e1n\u00ed v\u00fdrobku nebo dokonce a\u017e do okam\u017eiku, kdy je za\u0159\u00edzen\u00ed pou\u017e\u00edv\u00e1no z\u00e1kazn\u00edkem.<\/p>\n<p>Technologie AXI umo\u017e\u0148uje v\u00fdrobc\u016fm odhalit tyto skryt\u00e9 probl\u00e9my ji\u017e v ran\u00fdch f\u00e1z\u00edch v\u00fdroby a zabr\u00e1nit tomu, aby vadn\u00e9 produkty pokra\u010dovaly do dal\u0161\u00edch v\u00fdrobn\u00edch etap nebo se dostaly na trh.<\/p>\n<h2>Jak funguje rentgenov\u00e1 kontrola?<\/h2>\n<p>Proces AXI kontroly za\u010d\u00edn\u00e1 po dokon\u010den\u00ed mont\u00e1\u017ee PCB. Osazen\u00e1 deska je um\u00edst\u011bna do rentgenov\u00e9ho kontroln\u00edho syst\u00e9mu mezi rentgenov\u00fd zdroj a detektor.<\/p>\n<p>Rentgenov\u00fd paprsek proch\u00e1z\u00ed sestavou PCB a jednotliv\u00e9 materi\u00e1ly absorbuj\u00ed r\u016fzn\u00e9 mno\u017estv\u00ed z\u00e1\u0159en\u00ed podle sv\u00e9 hustoty. Kovy, nap\u0159\u00edklad p\u00e1jka, absorbuj\u00ed v\u00edce z\u00e1\u0159en\u00ed ne\u017e materi\u00e1ly jako plast nebo sklolamin\u00e1t, co\u017e vytv\u00e1\u0159\u00ed kontrast ve v\u00fdsledn\u00e9m obrazu.<\/p>\n<p>Kontroln\u00ed software analyzuje vytvo\u0159en\u00e9 sn\u00edmky a vyhodnocuje p\u00e1jen\u00e9 spoje, um\u00edst\u011bn\u00ed komponent\u016f a vnit\u0159n\u00ed struktury. Syst\u00e9m dok\u00e1\u017ee m\u011b\u0159it nap\u0159\u00edklad objem p\u00e1jky, procento dutin, p\u0159esnost um\u00edst\u011bn\u00ed a kvalitu spojen\u00ed.<\/p>\n<p>Pokud je zji\u0161t\u011bna vada, syst\u00e9m vytvo\u0159\u00ed kontroln\u00ed protokol a p\u0159esn\u011b ozna\u010d\u00ed m\u00edsto probl\u00e9mu na PCB.<\/p>\n<h2>Jak\u00e9 vady dok\u00e1\u017ee rentgenov\u00e1 kontrola odhalit?<\/h2>\n<p>Jednou z nejv\u011bt\u0161\u00edch v\u00fdhod AXI technologie je schopnost odhalit vady, kter\u00e9 nejsou viditeln\u00e9 pomoc\u00ed tradi\u010dn\u00edch kontroln\u00edch syst\u00e9m\u016f. Mezi nej\u010dast\u011bji odhalovan\u00e9 probl\u00e9my pat\u0159\u00ed:<\/p>\n<ul>\n<li>dutiny uvnit\u0159 p\u00e1jen\u00fdch spoj\u016f<\/li>\n<li>nedostate\u010dn\u00e9 mno\u017estv\u00ed p\u00e1jky<\/li>\n<li>nadm\u011brn\u00e9 mno\u017estv\u00ed p\u00e1jec\u00edho materi\u00e1lu<\/li>\n<li>p\u00e1jec\u00ed m\u016fstky mezi spoji<\/li>\n<li>praskliny v p\u00e1jen\u00fdch spoj\u00edch<\/li>\n<li>nespr\u00e1vn\u00e9 BGA p\u00e1jen\u00e9 spoje<\/li>\n<li>nespr\u00e1vn\u00e9 um\u00edst\u011bn\u00ed komponent\u016f<\/li>\n<li>nep\u0159ipojen\u00e9 nebo p\u0159eru\u0161en\u00e9 p\u00e1jen\u00e9 spoje<\/li>\n<li>vnit\u0159n\u00ed vady PCB<\/li>\n<li>probl\u00e9my ve v\u00edcevrstv\u00fdch struktur\u00e1ch PCB<\/li>\n<\/ul>\n<p>V\u010dasn\u00e9 odhalen\u00ed t\u011bchto vad pom\u00e1h\u00e1 v\u00fdrobc\u016fm zabr\u00e1nit n\u00e1kladn\u00fdm oprav\u00e1m, reklamac\u00edm a probl\u00e9m\u016fm se spolehlivost\u00ed v\u00fdrobk\u016f.<\/p>\n<h2>Rentgenov\u00e1 kontrola BGA a pokro\u010dil\u00fdch komponent\u016f<\/h2>\n<p>Jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch aplikac\u00ed AXI technologie je kontrola BGA komponent\u016f. Tyto sou\u010d\u00e1stky se \u0161iroce pou\u017e\u00edvaj\u00ed v procesorech, pam\u011b\u0165ov\u00fdch \u010dipech, komunika\u010dn\u00edch modulech a dal\u0161\u00edch modern\u00edch elektronick\u00fdch za\u0159\u00edzen\u00edch.<\/p>\n<p>Na rozd\u00edl od b\u011b\u017en\u00fdch povrchov\u011b montovan\u00fdch komponent\u016f vyu\u017e\u00edvaj\u00ed BGA pouzdra m\u0159\u00ed\u017eku p\u00e1jec\u00edch kuli\u010dek um\u00edst\u011bn\u00fdch pod samotnou sou\u010d\u00e1stkou. Po zap\u00e1jen\u00ed jsou tyto spoje zcela skryt\u00e9 a nelze je kontrolovat standardn\u00edmi optick\u00fdmi metodami.<\/p>\n<p>Rentgenov\u00e1 kontrola poskytuje detailn\u00ed pohled na ka\u017ed\u00fd p\u00e1jen\u00fd spoj a umo\u017e\u0148uje v\u00fdrobc\u016fm ov\u011b\u0159it, zda p\u00e1jec\u00ed kuli\u010dky vytvo\u0159ily spr\u00e1vn\u00e9 spojen\u00ed s plo\u0161kami PCB.<\/p>\n<p>Tato schopnost je zvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e1 v odv\u011btv\u00edch, kde je elektronick\u00e1 spolehlivost kritick\u00e1, nap\u0159\u00edklad v automobilov\u00e9 elektronice, letectv\u00ed, zdravotnick\u00fdch za\u0159\u00edzen\u00edch a pr\u016fmyslov\u00e9m vybaven\u00ed.<\/p>\n<h2>2D a 3D technologie rentgenov\u00e9 kontroly<\/h2>\n<p>Modern\u00ed AXI syst\u00e9my jsou dostupn\u00e9 ve variant\u00e1ch 2D i 3D kontroly, p\u0159i\u010dem\u017e ka\u017ed\u00e1 technologie nab\u00edz\u00ed r\u016fzn\u00e9 v\u00fdhody podle po\u017eadavk\u016f v\u00fdroby.<\/p>\n<h3>2D rentgenov\u00e1 kontrola<\/h3>\n<p>Tradi\u010dn\u00ed 2D rentgenov\u00e1 kontrola vytv\u00e1\u0159\u00ed dvourozm\u011brn\u00e9 obrazy sestav PCB. Je \u00fa\u010dinn\u00e1 p\u0159i detekci mnoha b\u011b\u017en\u00fdch vad, nap\u0159\u00edklad dutin v p\u00e1jen\u00fdch spoj\u00edch, chyb\u011bj\u00edc\u00edch spoj\u016f nebo nespr\u00e1vn\u00e9ho um\u00edst\u011bn\u00ed komponent\u016f.<\/p>\n<h3>3D rentgenov\u00e1 kontrola<\/h3>\n<p>3D rentgenov\u00e1 kontrola poskytuje mnohem detailn\u011bj\u0161\u00ed anal\u00fdzu pomoc\u00ed vytv\u00e1\u0159en\u00ed trojrozm\u011brn\u00fdch obraz\u016f PCB sestav. To umo\u017e\u0148uje p\u0159esn\u011bj\u0161\u00ed kontrolu slo\u017eit\u00fdch struktur a m\u011b\u0159en\u00ed p\u00e1jen\u00fdch spoj\u016f.<\/p>\n<p>3D AXI syst\u00e9my jsou obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 p\u0159i v\u00fdrob\u011b modern\u00ed elektroniky s velmi mal\u00fdmi komponenty a vysokou hustotou spoj\u016f.<\/p>\n<h2>V\u00fdhody pou\u017eit\u00ed rentgenov\u00e9 kontroly<\/h2>\n<h3>Odhalen\u00ed skryt\u00fdch vad<\/h3>\n<p>Nejv\u011bt\u0161\u00ed v\u00fdhodou AXI je mo\u017enost kontrolovat oblasti, kter\u00e9 nelze zobrazit kamerami ani zkontrolovat lidskou obsluhou. D\u00edky tomu se jedn\u00e1 o nepostradatelnou technologii modern\u00ed v\u00fdroby elektroniky.<\/p>\n<h3>Zv\u00fd\u0161en\u00ed spolehlivosti v\u00fdrobk\u016f<\/h3>\n<p>Odhalen\u00edm vnit\u0159n\u00edch vad je\u0161t\u011b p\u0159ed opu\u0161t\u011bn\u00edm v\u00fdrobn\u00edho z\u00e1vodu mohou v\u00fdrobci v\u00fdrazn\u011b zv\u00fd\u0161it spolehlivost a \u017eivotnost elektronick\u00fdch za\u0159\u00edzen\u00ed.<\/p>\n<h3>Sn\u00ed\u017een\u00ed v\u00fdrobn\u00edch n\u00e1klad\u016f<\/h3>\n<p>V\u010dasn\u00e9 odhalen\u00ed vad sni\u017euje pot\u0159ebu n\u00e1kladn\u00fdch oprav, p\u0159epracov\u00e1n\u00ed a z\u00e1ru\u010dn\u00edch reklamac\u00ed.<\/p>\n<h3>Lep\u0161\u00ed kontrola v\u00fdrobn\u00edch proces\u016f<\/h3>\n<p>AXI syst\u00e9my poskytuj\u00ed detailn\u00ed data z kontrol, kter\u00e1 lze vyu\u017e\u00edt k optimalizaci v\u00fdrobn\u00edch proces\u016f a udr\u017een\u00ed stabiln\u00ed kvality.<\/p>\n<h2>\u00daloha AXI v pr\u016fmyslu 4.0<\/h2>\n<p>S rozvojem konceptu Industry 4.0 se kontroln\u00ed technologie, jako je AXI, st\u00e1vaj\u00ed st\u00e1le v\u00edce propojen\u00fdmi a inteligentn\u00edmi. Modern\u00ed rentgenov\u00e9 syst\u00e9my mohou komunikovat se softwarem pro \u0159\u00edzen\u00ed v\u00fdroby, shroma\u017e\u010fovat data v re\u00e1ln\u00e9m \u010dase a podporovat automatizovan\u00e9 rozhodov\u00e1n\u00ed.<\/p>\n<p>Integrace AXI spole\u010dn\u011b se SPI a AOI vytv\u00e1\u0159\u00ed komplexn\u00ed syst\u00e9m kontroly kvality, kter\u00fd sleduje cel\u00fd v\u00fdrobn\u00ed proces PCB.<\/p>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>Automatick\u00e1 rentgenov\u00e1 kontrola se stala nezbytnou technologi\u00ed v modern\u00ed v\u00fdrob\u011b PCB, zejm\u00e9na s rostouc\u00ed slo\u017eitost\u00ed a miniaturizac\u00ed elektronick\u00fdch sestav.<\/p>\n<p>D\u00edky mo\u017enosti kontrolovat skryt\u00e9 p\u00e1jen\u00e9 spoje a vnit\u0159n\u00ed struktury poskytuj\u00ed AXI syst\u00e9my \u00farove\u0148 kontroly, kter\u00e9 tradi\u010dn\u00ed metody nemohou dos\u00e1hnout.<\/p>\n<p>V kombinaci se SPI, AOI a dal\u0161\u00edmi technologiemi kontroly kvality umo\u017e\u0148uje AXI v\u00fdrobc\u016fm vytv\u00e1\u0159et spolehliv\u011bj\u0161\u00ed elektronick\u00e9 produkty, sni\u017eovat v\u00fdrobn\u00ed n\u00e1klady a spl\u0148ovat vysok\u00e9 po\u017eadavky modern\u00edho elektronick\u00e9ho pr\u016fmyslu.<\/p>\n","protected":false},"featured_media":35276,"template":"","class_list":["post-35286","blog","type-blog","status-publish","has-post-thumbnail","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/blog\/35286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/types\/blog"}],"version-history":[{"count":1,"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/blog\/35286\/revisions"}],"predecessor-version":[{"id":35287,"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/blog\/35286\/revisions\/35287"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/media\/35276"}],"wp:attachment":[{"href":"https:\/\/amtest-group.com\/cs\/wp-json\/wp\/v2\/media?parent=35286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}