{"id":7183,"date":"2021-09-07T08:43:00","date_gmt":"2021-09-07T08:43:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=7183"},"modified":"2021-09-07T08:43:01","modified_gmt":"2021-09-07T08:43:01","slug":"jak-chronic-pcb-powloki-a-zywice","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/pl\/konserwacja-i-naprawy\/jak-chronic-pcb-powloki-a-zywice\/","title":{"rendered":"Jak chroni\u0107 PCB: pow\u0142oki a \u017cywice"},"content":{"rendered":"\n<p>P\u0142ytki drukowane (Printed circuit boards, PCBs) s\u0105 u\u017cywane w prawie ka\u017cdym dost\u0119pnym urz\u0105dzeniu elektronicznym i r\u00f3\u017cni\u0105 si\u0119 w zale\u017cno\u015bci od zastosowania. Jednak wsp\u00f3lne dla wszystkich zastosowa\u0144 jest to, \u017ce PCB wymagaj\u0105 jakiej\u015b formy ochrony przed otaczaj\u0105cym \u015brodowiskiem.<br><br>Poniewa\u017c PCBs odgrywaj\u0105 zasadnicz\u0105 rol\u0119 w funkcjonowaniu urz\u0105dzenia elektronicznego, niew\u0142a\u015bciwy dob\u00f3r ochrony mo\u017ce mie\u0107 negatywny wp\u0142yw na dzia\u0142anie i \u017cywotno\u015b\u0107 sprz\u0119tu. Pow\u0142oki i \u017cywice zapewniaj\u0105 ochron\u0119 przed nast\u0119puj\u0105cymi czynnikami:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Woda\/wilgo\u0107<\/li><li>Wibracje<\/li><li>Szok fizyczny<\/li><li>Szok termiczny<\/li><li>Zanieczyszczenia<\/li><\/ul>\n\n\n\n<p>Niezale\u017cnie od wybranego rodzaju ochrony, wszystkie PCBs nale\u017cy dok\u0142adnie oczy\u015bci\u0107, aby zabrudzenie powierzchni nie wp\u0142yn\u0119\u0142o na poziom ochrony zapewniany przez pow\u0142ok\u0119 lub \u017cywic\u0119.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"800\"  height=\"400\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAGQAQMAAABs65Z3AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAD5JREFUeNrtwTEBAAAAwqD1T20ND6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA+DZ3QAAGLX8MtAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2877 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/Electrolube-PCB-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Electrolube-PCB-1.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Electrolube-PCB-1.jpg?resize=300,150 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Electrolube-PCB-1.jpg?resize=768,384 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Electrolube-PCB-1.jpg?resize=380,190 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Electrolube-PCB-1.jpg?resize=550,275 550w\" ><\/figure>\n\n\n\n<h2 id=\"powloki-konforemne\" class=\"wp-block-heading\">Pow\u0142oki konforemne<\/h2>\n\n\n\n<p>Pow\u0142oka konforemna to cienka warstwa, kt\u00f3r\u0105 mo\u017cna na\u0142o\u017cy\u0107 na PCB, aby zapewni\u0107 ochron\u0119 przed niebezpiecznymi warunkami \u015brodowiskowymi. Takie pow\u0142oki zapewniaj\u0105 skuteczn\u0105 odporno\u015b\u0107 chemiczn\u0105 i termiczn\u0105 w przypadku kr\u00f3tkiego czasu ekspozycji. \u201eDopasowuj\u0105 si\u0119\u201d do kontur\u00f3w p\u0142ytki, zapewniaj\u0105c doskona\u0142\u0105 ochron\u0119 i dok\u0142adne pokrycie, aby przed\u0142u\u017cy\u0107 \u017cywotno\u015b\u0107 PCB.<br><br>Grubo\u015b\u0107 tej pow\u0142oki wynosi 25\u2013100 mikron\u00f3w, co powoduje niewielki wzrost masy p\u0142ytki. Jako stosunkowo cienka pow\u0142oka, powoduje niewielkie napr\u0119\u017cenia na podzespo\u0142ach, co jest niezwykle korzystne w przypadku delikatnego sprz\u0119tu. Zwykle pow\u0142oka b\u0119dzie przezroczysta, umo\u017cliwiaj\u0105c u\u017cytkownikom \u0142atw\u0105 identyfikacj\u0119 znajduj\u0105cej si\u0119 pod ni\u0105 p\u0142ytki drukowanej.<br><br>Wi\u0119kszo\u015b\u0107 pow\u0142ok to systemy 1K (jednosk\u0142adnikowe), oferuj\u0105ce d\u0142ug\u0105 \u017cywotno\u015b\u0107, nisk\u0105 temperatur\u0119 utwardzania i kr\u00f3tki czas schni\u0119cia. W przypadku pow\u0142ok konforemnych ponowna obr\u00f3bka pow\u0142oki i wymiana podzespo\u0142\u00f3w jest \u0142atwa do wykonania. Pow\u0142oki mo\u017cna nak\u0142ada\u0107 r\u0119cznie za pomoc\u0105 p\u0119dzla, pistoletu natryskowego lub przez zanurzanie. Jednak coraz cz\u0119\u015bciej wykorzystywane s\u0105 systemy robotyczne do zapewnienia bardziej precyzyjnego i sp\u00f3jnego na\u0142o\u017cenia pow\u0142oki.<\/p>\n\n\n\n<h2 id=\"zywice-do-hermetyzacji\" class=\"wp-block-heading\">\u017bywice do hermetyzacji<\/h2>\n\n\n\n<p>\u017bywice do hermetyzacji s\u0105 przeznaczone do ochrony i izolacji PCBs oraz komponent\u00f3w przed trudnymi i wymagaj\u0105cymi \u015brodowiskami poprzez hermetyzacj\u0119 urz\u0105dzenia i tworzenie bariery.Po na\u0142o\u017ceniu na PCBs takie \u017cywice mog\u0105 mie\u0107 grubo\u015b\u0107 0,5 mm lub wi\u0119ksz\u0105 (cz\u0119sto s\u0105 nak\u0142adane znacznie grubiej). W rezultacie \u017cywice mog\u0105 powodowa\u0107 znaczny wzrost masy urz\u0105dzenia, a cena jednostkowa jest w ich przypadku cz\u0119sto wy\u017csza ni\u017c dla pow\u0142ok.<br><br>\u017bywice to zazwyczaj systemy 2K (dwusk\u0142adnikowe), w kt\u00f3rych \u017cywica i utwardzacz s\u0105 mieszane w celu utworzenia usieciowanego polimeru. \u017bywice maj\u0105 znacznie wy\u017csz\u0105 lepko\u015b\u0107 ni\u017c pow\u0142oki i s\u0105 przeznaczone do utwardzania w temperaturze pokojowej. Jednak dzi\u0119ki podgrzaniu \u017cywicy mo\u017cna skr\u00f3ci\u0107 czas utwardzania.<br><br>Poniewa\u017c wi\u0119kszo\u015b\u0107 reakcji utwardzania jest egzotermiczna, w przypadku gdy nak\u0142ada si\u0119 zbyt du\u017co \u017cywicy, ciep\u0142o wytwarzane podczas procesu utwardzania mo\u017ce spowodowa\u0107 przegrzanie, a nawet zapalenie si\u0119 PCB. Dzi\u0119ki zastosowaniu \u017cywicy mo\u017cna zapewni\u0107 wi\u0119ksz\u0105 ochron\u0119 PCB, szczeg\u00f3lnie w przypadku szkodliwego dzia\u0142ania chemicznego lub w scenariuszach, w kt\u00f3rych urz\u0105dzenie ma by\u0107 zanurzone na d\u0142u\u017cszy czas w cieczy. \u017bywice mog\u0105 r\u00f3wnie\u017c zapewnia\u0107 ochron\u0119 przed szokiem fizycznym, poniewa\u017c wi\u0119kszo\u015b\u0107 \u017cywic mo\u017ce pom\u00f3c w rozproszeniu si\u0142. W przeciwie\u0144stwie do pow\u0142ok, \u017cywice mog\u0105 mie\u0107 bardzo ciemny kolor, tak \u017ce po ich na\u0142o\u017ceniu p\u0142ytka PCB znajduj\u0105ca si\u0119 pod spodem jest ca\u0142kowicie ukryta, co daje pewn\u0105 ochron\u0119 projektu. Warto jednak zauwa\u017cy\u0107, \u017ce usuni\u0119cie \u017cywicy mo\u017ce prowadzi\u0107 do zniszczenia PCB.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><\/tr><tr><th>W\u0142a\u015bciwo\u015bci<\/th><th>Pow\u0142oka konforemna<\/th><th>\u017bywica<\/th><\/tr><tr><td>Ochrona<\/td><td>Mniejsza<\/td><td>Wi\u0119ksza<\/td><\/tr><tr><td>Grubo\u015b\u0107<\/td><td>25\u2013100 mikron\u00f3w<\/td><td>0,5+ mm (cz\u0119sto du\u017co grubsza)<\/td><\/tr><tr><td>Masa urz\u0105dzenia<\/td><td>Minimalny wzrost<\/td><td>Znaczny wzrost<\/td><\/tr><tr><td>Napr\u0119\u017cenia na podzespo\u0142ach<\/td><td>Bardzo ma\u0142e<\/td><td>Znaczne napr\u0119\u017cenie<\/td><\/tr><tr><td>Systemy pow\u0142ok<\/td><td>1K (pojedynczy sk\u0142adnik)\u00a0<\/td><td>2K (dwa sk\u0142adniki)<\/td><\/tr><tr><td>Mo\u017cliwo\u015b\u0107 przer\u00f3bek p\u0142ytki<\/td><td>Tak<\/td><td>Nie<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"kwestie-do-rozwazenia-przed-wyborem-ochrony-pcb\" class=\"wp-block-heading\">Kwestie do rozwa\u017cenia przed wyborem ochrony PCB<\/h2>\n\n\n\n<h3 id=\"1-obudowa-urzadzenia\" class=\"wp-block-heading\">1. Obudowa urz\u0105dzenia<\/h3>\n\n\n\n<p>Je\u015bli p\u0142ytka drukowana jest umieszczona w obudowie, kt\u00f3ra zosta\u0142a zaprojektowana jako jej podstawowa ochrona, w konforemna b\u0119dzie wystarczaj\u0105ca. Jest to idealne rozwi\u0105zanie w przypadku jakiego\u015b uszkodzenia lub wycieku, kt\u00f3re mo\u017ce tak\u017ce zapewni\u0107 ochron\u0119 przed wilgoci\u0105 i skraplaniem pary wodnej. Je\u015bli obudowa nie jest w stan\u00f3wczas pow\u0142okaie zapewni\u0107 ochrony przed \u015brodowiskiem, bardziej odpowiednim wyborem b\u0119dzie \u017cywica.<\/p>\n\n\n\n<h3 id=\"2-srodowisko\" class=\"wp-block-heading\">2. \u015arodowisko<\/h3>\n\n\n\n<p>Cz\u0119sto stosowane w elektronice wysokiego napi\u0119cia i \u015brodowiskach wybuchowych, \u017cywice zapewniaj\u0105 pe\u0142n\u0105 warstw\u0119 dielektryczn\u0105, zapobiegaj\u0105c wy\u0142adowaniu \u0142ukowemu. W takim \u015brodowisku cie\u0144sze pow\u0142oki konforemne b\u0119d\u0105 znacznie mniej skuteczne. Jednak w przypadku delikatnych podzespo\u0142\u00f3w w \u015brodowiskach, kt\u00f3re wymagaj\u0105 ograniczonego poziomu ochrony, prawdopodobnie wystarcz\u0105 pow\u0142oki.<\/p>\n\n\n\n<h3 id=\"3-masa-urzadzenia\" class=\"wp-block-heading\">3. Masa urz\u0105dzenia<\/h3>\n\n\n\n<p>Wa\u017cne jest, aby okre\u015bli\u0107, czy waga p\u0142ytki drukowanej ma wp\u0142yw na ostateczny cel projektu. Przy nak\u0142adaniu pow\u0142oki ilo\u015b\u0107 dodatkowego ci\u0119\u017caru jest minimalna, ale przy stosowaniu \u017cywicy dodatkowy ci\u0119\u017car mo\u017ce by\u0107 znaczny.<\/p>\n\n\n\n<h3 id=\"4-mozliwosc-przerobek-plytki\" class=\"wp-block-heading\">4. Mo\u017cliwo\u015b\u0107 przer\u00f3bek p\u0142ytki<\/h3>\n\n\n\n<p>W przypadku zastosowa\u0144, w kt\u00f3rych w p\u00f3\u017aniejszym terminie mo\u017ce by\u0107 wymagana przer\u00f3bka PCB, najbardziej odpowiednim wyborem b\u0119d\u0105 pow\u0142oki konforemne. Mo\u017cna je usun\u0105\u0107 znacznie \u0142atwiej ni\u017c \u017cywice, kt\u00f3re przy usuwaniu mog\u0105 zniszczy\u0107 znajduj\u0105c\u0105 si\u0119 pod nimi p\u0142ytk\u0119 PCB.<\/p>\n\n\n\n<h2 id=\"dlaczego-electrolube\" class=\"wp-block-heading\">Dlaczego Electrolube?<\/h2>\n\n\n\n<p>Zwi\u0105zane z produkcj\u0105 i konserwacj\u0105 podzespo\u0142\u00f3w elektronicznych, produkty Electrolube s\u0105 idealne dla wielu ga\u0142\u0119zi przemys\u0142u, w tym motoryzacji, elektroniki przemys\u0142owej, elektroniki u\u017cytkowej i sektora medycznego. Electrolube, specjalista w dziedzinie pow\u0142ok konforemnych i \u017cywic do hermetyzacji, jest liderem innowacji w tej dziedzinie.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-obsluga-osadzania wp-block-embed-obsluga-osadzania wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Electrolube  Corporate Video 2017\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/U10cgf-2l9w?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.elfadistrelec.pl\/pl\/manufacturer\/electrolube\/man_ebe?no-cache=true\" style=\"border-radius:2px\" target=\"_blank\" rel=\"https:\/\/www.distrelec.ch\/manufacturer\/electrolube\/man_ebe?no-cache=true noopener\"><strong>Skorzystaj z naszej oferty Electrolube ju\u017c teraz<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 id=\"polecane-produkty\" class=\"wp-block-heading\">Polecane produkty<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 id=\"czarna-zywica-poliuretanowa-250-g\" class=\"wp-block-heading\">Czarna \u017cywica poliuretanowa 250 g<\/h3>\n\n\n\n<p>Ta dwusk\u0142adnikowa czarna \u017cywica do hermetyzacji zosta\u0142a opracowana tak, aby dzia\u0142a\u0107 na najwy\u017cszym poziomie, z doskona\u0142\u0105 odporno\u015bci\u0105 na wod\u0119 morsk\u0105, dobr\u0105 przyczepno\u015bci\u0105 do wi\u0119kszo\u015bci pod\u0142o\u017cy i odporno\u015bci\u0105 na rozdarcie.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2879 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116982-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.elfadistrelec.pl\/pl\/czarna-zywica-poliuretanowa-250-electrolube-ur5041rp250g\/p\/30116982?origPos=1&amp;q=Black%20Polyurethane%20Resin%20250g&amp;pos=1&amp;origPageSize=50&amp;track=true\" style=\"border-radius:2px\" target=\"_blank\" rel=\"https:\/\/www.distrelec.ch\/p\/30116982?q=Black+Polyurethane+Resin+250g&amp;pos=1&amp;origPos=1&amp;origPageSize=50&amp;track=true noopener\"><strong>ZACZNIJ ZAKUPY<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 id=\"powloka-konforemna-200-ml\" class=\"wp-block-heading\">Pow\u0142oka konforemna 200 ml<\/h3>\n\n\n\n<p>Ta akrylowa pow\u0142oka konforemna jest szybkoschn\u0105ca i trwa\u0142a, a tak\u017ce oferuje doskona\u0142e w\u0142a\u015bciwo\u015bci elektryczne i dobr\u0105 przyczepno\u015b\u0107 do wielu materia\u0142\u00f3w. Pow\u0142oka ta jest odporna na ple\u015b\u0144 i pozwala z \u0142atwo\u015bci\u0105 wprowadza\u0107 modyfikacje na PCB.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2880 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/30116969-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.elfadistrelec.pl\/pl\/powloka-konforemna-200ml-electrolube-hfac200h\/p\/30116969?queryFromSuggest=true\" style=\"border-radius:2px\" target=\"_blank\" rel=\"https:\/\/www.distrelec.ch\/p\/30116969?queryFromSuggest=true noopener\"><strong>ZACZNIJ ZAKUPY<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"P\u0142ytki drukowane (Printed circuit boards, PCBs) s\u0105 u\u017cywane w prawie ka\u017cdym dost\u0119pnym urz\u0105dzeniu elektronicznym i r\u00f3\u017cni\u0105 si\u0119 w&hellip;\n","protected":false},"author":12,"featured_media":7184,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[226,229],"tags":[],"coauthors":[],"class_list":{"0":"post-7183","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-elektronika","8":"category-konserwacja-i-naprawy","9":"cs-entry","10":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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