{"id":2334,"date":"2025-05-05T18:01:35","date_gmt":"2025-05-05T09:31:35","guid":{"rendered":"http:\/\/topfastpcbb.ru\/?p=2334"},"modified":"2025-05-06T14:46:44","modified_gmt":"2025-05-06T06:16:44","slug":"8-layer-pcb-stackup","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/pt\/blog\/8-layer-pcb-stackup\/","title":{"rendered":"Empilhamento de PCB de 8 camadas"},"content":{"rendered":"<p>A estrutura laminada da placa de circuito impresso de 8 camadas inclui normalmente a camada de sinal, a camada de pot\u00eancia e a camada de terra, sendo a disposi\u00e7\u00e3o espec\u00edfica e os princ\u00edpios de conce\u00e7\u00e3o os seguintes<\/p><p>Camada de sinal: Inclui normalmente a camada superior (TOP), a camada inferior (Bottom) e a camada de sinal no meio (por exemplo, Signal2, Signal3, etc.). A camada de sinal \u00e9 utilizada principalmente para a cablagem e a transmiss\u00e3o de sinais el\u00e9ctricos.<\/p><p>Camada de pot\u00eancia:Inclui normalmente uma ou mais camadas de alimenta\u00e7\u00e3o (por exemplo, Power1, Power2, etc.), que s\u00e3o utilizadas para fornecer uma fonte de alimenta\u00e7\u00e3o est\u00e1vel.A camada de alimenta\u00e7\u00e3o el\u00e9ctrica \u00e9 adjacente \u00e0 camada de terra para melhor realizar o acoplamento entre a alimenta\u00e7\u00e3o el\u00e9ctrica e a terra e para reduzir a imped\u00e2ncia entre o plano de alimenta\u00e7\u00e3o e o plano de terra.<\/p><p>Camada de terra: inclui uma ou mais camadas de terra (por exemplo, Terra1, Terra2, etc.), que s\u00e3o principalmente utilizadas para proporcionar uma placa de refer\u00eancia de terra est\u00e1vel e reduzir as interfer\u00eancias electromagn\u00e9ticas.A placa de massa \u00e9 adjacente \u00e0 placa de pot\u00eancia para proporcionar uma melhor integridade do sinal.<\/p><h2><a href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/pcb-design-principles\/\">Princ\u00edpios de conce\u00e7\u00e3o<\/a> e Disposi\u00e7\u00f5es Comuns<\/h2><p>A camada adjacente ao chip principal \u00e9 o plano de terra: fornece um plano de refer\u00eancia est\u00e1vel para o chip principal e reduz as interfer\u00eancias.<br>Todas as camadas de sinal s\u00e3o adjacentes ao plano de terra, tanto quanto poss\u00edvel: proporciona uma melhor integridade do sinal.<br>Evitar, tanto quanto poss\u00edvel, duas camadas de sinal diretamente adjacentes uma \u00e0 outra: reduzir a interfer\u00eancia do sinal.<br>A fonte de alimenta\u00e7\u00e3o principal \u00e9 adjacente ao plano de terra correspondente, tanto quanto poss\u00edvel: para reduzir a imped\u00e2ncia entre o plano de pot\u00eancia e o plano de terra.<br>Conce\u00e7\u00e3o sim\u00e9trica da estrutura: A espessura e o tipo da camada diel\u00e9ctrica, a espessura da folha de cobre e o tipo de distribui\u00e7\u00e3o gr\u00e1fica devem ser sim\u00e9tricos para minimizar o impacto da assimetria.<br><\/p><h2>Exemplos comuns de conce\u00e7\u00e3o e utiliza\u00e7\u00e3o de ferramentas<\/h2><p>Conce\u00e7\u00e3o comum de camadas empilhadas: como TOP-Gnd-Signal-Power-Gnd-Signal-Gnd-Bottom, etc. Esta conce\u00e7\u00e3o pode proporcionar uma melhor integridade do sinal e compatibilidade electromagn\u00e9tica.<br>Utiliza\u00e7\u00e3o da ferramenta DFM da Huaqiu:Esta ferramenta ajuda a calcular a imped\u00e2ncia, a selecionar a largura e o espa\u00e7amento adequados das linhas e a garantir a precis\u00e3o do desenho.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"591\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1.jpg\" alt=\"\" class=\"wp-image-2363\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1-300x296.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1-100x100.jpg 100w\" 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\">\u00cdndice<\/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\/pt\/blog\/8-layer-pcb-stackup\/#8-Layer_PCB_Stackup_Design_Analysis\" >An\u00e1lise de design de empilhamento de PCB de 8 camadas<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/8-layer-pcb-stackup\/#Option_1_Six_Signal_Layer_Design_Not_Recommended\" >Op\u00e7\u00e3o 1: Conce\u00e7\u00e3o de seis camadas de sinal (n\u00e3o recomendada)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/8-layer-pcb-stackup\/#Option_2_Four_Signal_Layer_Design_Recommended\" >Op\u00e7\u00e3o 2: Conce\u00e7\u00e3o de quatro camadas de sinais (recomendada)<\/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\/pt\/blog\/8-layer-pcb-stackup\/#Option_3_Optimal_Four_Signal_Layer_Design_Highly_Recommended\" >Op\u00e7\u00e3o 3: Conce\u00e7\u00e3o \u00f3ptima de quatro camadas de sinais (altamente recomendada)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8-Layer_PCB_Stackup_Design_Analysis\"><\/span>An\u00e1lise de design de empilhamento de PCB de 8 camadas<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Option_1_Six_Signal_Layer_Design_Not_Recommended\"><\/span>Op\u00e7\u00e3o 1: Conce\u00e7\u00e3o de seis camadas de sinal (n\u00e3o recomendada)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Carater\u00edsticas da estrutura<\/strong>:<\/p><ol class=\"wp-block-list\"><li><strong>Camada superior<\/strong>: Sinal 1 (lado do componente\/camada de encaminhamento da micro-tira)<\/li>\n\n<li><strong>Camada interior<\/strong>: Sinal 2 (microstrip na dire\u00e7\u00e3o X, camada de encaminhamento premium)<\/li>\n\n<li><strong>Camada interior<\/strong>Terra (plano de terra)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 3 (stripline na dire\u00e7\u00e3o Y, camada de encaminhamento premium)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 4 (camada de encaminhamento do stripline)<\/li>\n\n<li><strong>Camada interior<\/strong>Pot\u00eancia (Plano de pot\u00eancia)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 5 (camada de encaminhamento de microfita)<\/li>\n\n<li><strong>Camada inferior<\/strong>: Sinal 6 (camada de encaminhamento de microfita)<\/li><\/ol><p><strong>An\u00e1lise de desvantagens<\/strong>:<\/p><ul class=\"wp-block-list\"><li>Fraca absor\u00e7\u00e3o electromagn\u00e9tica<\/li>\n\n<li>Imped\u00e2ncia de alta pot\u00eancia<\/li>\n\n<li>Caminhos de retorno de sinal incompletos<\/li>\n\n<li>Desempenho EMI inferior<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Option_2_Four_Signal_Layer_Design_Recommended\"><\/span>Op\u00e7\u00e3o 2: Conce\u00e7\u00e3o de quatro camadas de sinais (recomendada)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Carater\u00edsticas melhoradas<\/strong>:<\/p><ol class=\"wp-block-list\"><li><strong>Camada superior<\/strong>: Sinal 1 (Lado componente\/Microstrip, camada de encaminhamento premium)<\/li>\n\n<li><strong>Camada interior<\/strong>Terra (plano de terra de baixa imped\u00e2ncia, excelente absor\u00e7\u00e3o EM)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 2 (stripline, camada de encaminhamento premium)<\/li>\n\n<li><strong>Camada interior<\/strong>Pot\u00eancia (plano de pot\u00eancia formando acoplamento capacitivo com o solo adjacente)<\/li>\n\n<li><strong>Camada interior<\/strong>Terra (plano de terra)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 3 (stripline, camada de encaminhamento premium)<\/li>\n\n<li><strong>Camada interior<\/strong>Pot\u00eancia (Plano de pot\u00eancia)<\/li>\n\n<li><strong>Camada inferior<\/strong>Sinal 4 (Microstrip, camada de encaminhamento premium)<\/li><\/ol><p><strong>Vantagens<\/strong>:<br>Plano de refer\u00eancia dedicado para cada camada de sinal<br>Controlo preciso da imped\u00e2ncia (\u00b110%)<br>Reduzida diafonia (encaminhamento ortogonal entre camadas adjacentes)<br>Melhoria de 40% na integridade da energia<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Option_3_Optimal_Four_Signal_Layer_Design_Highly_Recommended\"><\/span>Op\u00e7\u00e3o 3: Conce\u00e7\u00e3o \u00f3ptima de quatro camadas de sinais (altamente recomendada)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Estrutura da Regra de Ouro<\/strong>:<\/p><ol class=\"wp-block-list\"><li><strong>Camada superior<\/strong>: Sinal 1 (Lado do componente\/Micro-ponto)<\/li>\n\n<li><strong>Camada interior<\/strong>Terra (plano de terra s\u00f3lido)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 2 (Stripline)<\/li>\n\n<li><strong>Camada interior<\/strong>Pot\u00eancia (Plano de pot\u00eancia)<\/li>\n\n<li><strong>Camada interior<\/strong>Terra (plano de terra do n\u00facleo)<\/li>\n\n<li><strong>Camada interior<\/strong>Sinal 3 (Stripline)<\/li>\n\n<li><strong>Camada interior<\/strong>Terra (plano de terra de prote\u00e7\u00e3o)<\/li>\n\n<li><strong>Camada inferior<\/strong>Sinal 4 (Microstrip)<\/li><\/ol><p><strong>Desempenho excecional<\/strong>:<br>Cinco planos de terra proporcionam uma prote\u00e7\u00e3o EM perfeita<br>\u2605 &lt;3mil de espa\u00e7amento entre alimenta\u00e7\u00e3o e terra para um desacoplamento ideal<br>A distribui\u00e7\u00e3o sim\u00e9trica das camadas evita o empeno<br>Suporta sinaliza\u00e7\u00e3o de alta velocidade de 20 Gbps<\/p><p><strong>Recomenda\u00e7\u00f5es de conce\u00e7\u00e3o<\/strong>:<\/p><ol class=\"wp-block-list\"><li>Encaminhar primeiro os sinais cr\u00edticos nas camadas de stripline S2\/S3<\/li>\n\n<li>Implementar a conce\u00e7\u00e3o do plano de pot\u00eancia dividido<\/li>\n\n<li>Limitar os tra\u00e7os da camada superior\/inferior a &lt;5mm de comprimento<\/li>\n\n<li>Manter o encaminhamento ortogonal entre camadas de sinal adjacentes<\/li><\/ol><h2><strong>Refer\u00eancia da espessura do empilhamento<\/strong><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Camada<\/th><th>Material<\/th><th>Espessura (mil)<\/th><\/tr><\/thead><tbody><tr><td>1-2<\/td><td>FR4<\/td><td>3.2<\/td><\/tr><tr><td>2-3<\/td><td>1080PP<\/td><td>4.5<\/td><\/tr><tr><td>4-5<\/td><td>N\u00facleo<\/td><td>8.0<\/td><\/tr><tr><td>6-7<\/td><td>2116PP<\/td><td>5.2<\/td><\/tr><tr><td>7-8<\/td><td>FR4<\/td><td>3.2<\/td><\/tr><\/tbody><\/table><\/figure><p>Nota: Todos os desenhos devem incorporar vias cegas\/enterradas para uma utiliza\u00e7\u00e3o \u00f3ptima do espa\u00e7o de encaminhamento.<\/p>","protected":false},"excerpt":{"rendered":"<p>Uma pilha de 8 camadas de PCB consiste normalmente em camadas de sinal, alimenta\u00e7\u00e3o e terra.<\/p>","protected":false},"author":1,"featured_media":2364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[216,215],"class_list":["post-2334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-8-layer-pcb","tag-8-layer-pcb-stackup"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>8-Layer PCB Stackup - Topfastpcb<\/title>\n<meta name=\"description\" content=\"An 8-layer PCB stack typically consists of signal, power, and ground layers.\" \/>\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\/pt\/blog\/8-layer-pcb-stackup\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"8-Layer PCB Stackup - Topfastpcb\" \/>\n<meta property=\"og:description\" content=\"An 8-layer PCB stack typically consists of signal, power, and ground layers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/pt\/blog\/8-layer-pcb-stackup\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-05T09:31:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-06T06:16:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png\" \/>\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\/png\" \/>\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=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"8-Layer PCB Stackup\",\"datePublished\":\"2025-05-05T09:31:35+00:00\",\"dateModified\":\"2025-05-06T06:16:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/\"},\"wordCount\":633,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png\",\"keywords\":[\"8-Layer PCB\",\"8-Layer PCB Stackup\"],\"articleSection\":[\"Knowledge\"],\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/\",\"name\":\"8-Layer PCB Stackup - Topfastpcb\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png\",\"datePublished\":\"2025-05-05T09:31:35+00:00\",\"dateModified\":\"2025-05-06T06:16:44+00:00\",\"description\":\"An 8-layer PCB stack typically consists of signal, power, and ground layers.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png\",\"width\":600,\"height\":402,\"caption\":\"8-Layer PCB\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"8-Layer PCB Stackup\"}]},{\"@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\":\"pt-PT\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@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\/pt\/blog\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"8-Layer PCB Stackup - Topfastpcb","description":"An 8-layer PCB stack typically consists of signal, power, and ground layers.","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\/pt\/blog\/8-layer-pcb-stackup\/","og_locale":"pt_PT","og_type":"article","og_title":"8-Layer PCB Stackup - Topfastpcb","og_description":"An 8-layer PCB stack typically consists of signal, power, and ground layers.","og_url":"https:\/\/www.topfastpcb.com\/pt\/blog\/8-layer-pcb-stackup\/","og_site_name":"Topfastpcb","article_published_time":"2025-05-05T09:31:35+00:00","article_modified_time":"2025-05-06T06:16:44+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png","type":"image\/png"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"\u6258\u666e\u6cd5\u65af\u7279","Tempo estimado de leitura":"4 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"8-Layer PCB Stackup","datePublished":"2025-05-05T09:31:35+00:00","dateModified":"2025-05-06T06:16:44+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/"},"wordCount":633,"commentCount":0,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png","keywords":["8-Layer PCB","8-Layer PCB Stackup"],"articleSection":["Knowledge"],"inLanguage":"pt-PT","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/","url":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/","name":"8-Layer PCB Stackup - Topfastpcb","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png","datePublished":"2025-05-05T09:31:35+00:00","dateModified":"2025-05-06T06:16:44+00:00","description":"An 8-layer PCB stack typically consists of signal, power, and ground layers.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/"]}]},{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB.png","width":600,"height":402,"caption":"8-Layer PCB"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/8-layer-pcb-stackup\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"8-Layer PCB Stackup"}]},{"@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":"pt-PT"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"pt-PT","@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\/pt\/blog\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts\/2334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/comments?post=2334"}],"version-history":[{"count":2,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts\/2334\/revisions"}],"predecessor-version":[{"id":2365,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts\/2334\/revisions\/2365"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/media\/2364"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/media?parent=2334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/categories?post=2334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/tags?post=2334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}