{"id":2246,"date":"2025-04-26T17:32:43","date_gmt":"2025-04-26T09:02:43","guid":{"rendered":"http:\/\/topfastpcbb.ru\/?post_type=product&#038;p=2246"},"modified":"2025-05-06T16:06:54","modified_gmt":"2025-05-06T07:36:54","slug":"high-tg-rigid-pcb","status":"publish","type":"product","link":"https:\/\/www.topfastpcb.com\/pt\/products\/high-tg-rigid-pcb\/","title":{"rendered":"PCB r\u00edgida de alto TG"},"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\">\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\/products\/high-tg-rigid-pcb\/#High_TG_Rigid_PCB_Advantages\" >Vantagens da PCB r\u00edgida High TG<\/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\/products\/high-tg-rigid-pcb\/#Core_Performance_Advantages\" >Principais vantagens de desempenho<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/pt\/products\/high-tg-rigid-pcb\/#High_TG_Rigid_PCB_Core_parameters\" >Par\u00e2metros do n\u00facleo de PCB r\u00edgido High TG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/pt\/products\/high-tg-rigid-pcb\/#Why_Choose_US\" >Porqu\u00ea escolher os EUA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/pt\/products\/high-tg-rigid-pcb\/#Application_of_PCB\" >Aplica\u00e7\u00e3o de PCB<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>A Tg (temperatura de transi\u00e7\u00e3o v\u00edtrea) elevada \u00e9 um indicador-chave da resist\u00eancia ao calor dos substratos de PCB. Quando a temperatura de funcionamento excede o valor de Tg, o material passa de um estado r\u00edgido \"v\u00edtreo\" para um estado el\u00e1stico \"borrachoso\", resultando nos seguintes problemas:<br \/>\nDiminui\u00e7\u00e3o da estabilidade dimensional (a taxa de altera\u00e7\u00e3o CTE aumentou 3-5 vezes)<br \/>\nRedu\u00e7\u00e3o da resist\u00eancia mec\u00e2nica superior a 60%<br \/>\nDeteriora\u00e7\u00e3o das propriedades diel\u00e9ctricas (flutua\u00e7\u00f5es Dk\/Df \u2265 20%)<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_TG_Rigid_PCB_Advantages\"><\/span>TG elevado <a href=\"https:\/\/www.topfastpcb.com\/pt\/products\/category\/rigid-pcb\/\">PCB r\u00edgido<\/a> Vantagens<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Resist\u00eancia ao calor: Os PCB de alta TG podem manter a sua rigidez a altas temperaturas sem amolecer ou deformar. A sua temperatura de transi\u00e7\u00e3o v\u00edtrea (Tg) \u00e9 normalmente superior a 170\u00b0C, o que significa que os PCB de alta Tg mant\u00eam um bom desempenho e estabilidade em ambientes de alta temperatura.<br \/>\nResist\u00eancia \u00e0 humidade e a produtos qu\u00edmicos: As PCB de alto TG t\u00eam uma excelente resist\u00eancia \u00e0 humidade e aos produtos qu\u00edmicos e podem manter um desempenho est\u00e1vel em ambientes agressivos, o que as torna adequadas para equipamentos que requerem uma exposi\u00e7\u00e3o prolongada a ambientes h\u00famidos ou qu\u00edmicos.<br \/>\nPropriedades mec\u00e2nicas: As PCB de alto TG t\u00eam uma elevada resist\u00eancia e rigidez, podendo suportar grandes tens\u00f5es mec\u00e2nicas e manter um desempenho est\u00e1vel mesmo em condi\u00e7\u00f5es ambientais adversas. Isto faz com que tenham uma vasta gama de perspectivas de aplica\u00e7\u00e3o nos dom\u00ednios militar, aeroespacial e outros dom\u00ednios exigentes.<br \/>\nDesempenho el\u00e9trico: As PCB com TG elevado t\u00eam uma constante diel\u00e9ctrica e uma tangente de \u00e2ngulo de perda baixas, o que ajuda a melhorar a qualidade da transmiss\u00e3o de sinais e a compatibilidade electromagn\u00e9tica, sendo particularmente adequadas para aplica\u00e7\u00f5es de transmiss\u00e3o de sinais de alta frequ\u00eancia e alta velocidade.<br \/>\nEfic\u00e1cia em termos de custos: O custo relativamente baixo das PCB de elevado TG, em compara\u00e7\u00e3o com outros materiais de placas de circuito topo de gama, torna-as especialmente adequadas para os fabricantes que necessitam de poupar custos em aplica\u00e7\u00f5es de estabilidade a altas temperaturas.<br \/>\nCapacidade de processamento: As fibras de vidro e as resinas ep\u00f3xi arom\u00e1ticas selecionadas para os materiais de PCB de alto TG conferem-lhes uma boa processabilidade e fiabilidade, sendo menos suscept\u00edveis de delamina\u00e7\u00e3o e assentamento durante o processamento, o que torna o processo de fabrico mais suave.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7.jpg\" alt=\"\" width=\"750\" height=\"750\" class=\"aligncenter wp-image-2247 size-full\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7.jpg 750w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-300x300.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-150x150.jpg 150w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-600x600.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB7-100x100.jpg 100w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Core_Performance_Advantages\"><\/span>Principais vantagens de desempenho<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Os materiais de alta Tg (Tg\u2265170\u00b0C) demonstram melhorias significativas em compara\u00e7\u00e3o com o FR-4 padr\u00e3o (Tg140\u00b0C):<\/p>\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Cabe\u00e7alho \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">M\u00e9trica de desempenho<\/div>\n<\/th>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Cabe\u00e7alho \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Padr\u00e3o FR-4<\/div>\n<\/th>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Cabe\u00e7alho \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Material de alta Tg<\/div>\n<\/th>\n<th class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Cabe\u00e7alho \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Melhoria<\/div>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Temp. de decomposi\u00e7\u00e3o t\u00e9rmica<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">320\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">380\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">+18%<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Resist\u00eancia \u00e0 humidade<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">85\u00b0C\/85%RH<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">105\u00b0C\/85%RH<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">+23%<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">CTE do eixo Z<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">300 ppm\/\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">180 ppm\/\u00b0C<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">-40%<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">Resist\u00eancia \u00e0 migra\u00e7\u00e3o i\u00f3nica<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">10\u2078 \u03a9<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">10\u00b9\u2070 \u03a9<\/div>\n<\/td>\n<td class=\"wp-block-table__cell-content\">\n<div role=\"textbox\" aria-multiline=\"true\" aria-label=\"Corpo \u5355\u5143\u683c\u6587\u5b57\" contenteditable=\"true\" class=\"block-editor-rich-text__editable rich-text\">100x<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Carater\u00edsticas principais:<br \/>\n- 18% estabilidade t\u00e9rmica mais elevada<br \/>\n- 23% resist\u00eancia melhorada \u00e0 humidade<br \/>\n- 40% redu\u00e7\u00e3o da expans\u00e3o do eixo Z<br \/>\n- Aumento de 100 vezes na resist\u00eancia i\u00f3nica<\/p>\n<p>Nota: Todos os dados de teste s\u00e3o baseados no m\u00e9todo IPC-TM-650. Recomendado para processos sem chumbo que requerem temperaturas de refluxo \u2265260\u00b0C.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_TG_Rigid_PCB_Core_parameters\"><\/span>Par\u00e2metros do n\u00facleo de PCB r\u00edgido High TG<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table data-sort=\"sortDisabled\">\n<tbody>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Item<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">PCB r\u00edgido<\/td>\n<\/tr>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Camada m\u00e1xima<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">60L<\/td>\n<\/tr>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Camada interior M\u00ednimo tra\u00e7o\/espa\u00e7o<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">3\/3mil<\/td>\n<\/tr>\n<tr>\n<td width=\"1028\" valign=\"top\"><strong>Camada de sa\u00edda M\u00ednimo tra\u00e7o\/espa\u00e7o<\/strong><\/td>\n<td width=\"1028\" valign=\"top\">3\/3mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Camada interior Cobre m\u00e1ximo<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">6 on\u00e7as<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Camada de sa\u00edda Cobre m\u00e1ximo<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">6 on\u00e7as<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Perfura\u00e7\u00e3o mec\u00e2nica m\u00ednima<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0,15 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Perfura\u00e7\u00e3o a laser m\u00ednima<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0,1 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Rela\u00e7\u00e3o de aspeto (perfura\u00e7\u00e3o mec\u00e2nica)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">20:1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Rela\u00e7\u00e3o de aspeto (perfura\u00e7\u00e3o a laser)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">1:1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia do furo de prensagem<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,05mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia ao PTH<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,075mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia NPTH<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,05mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia do escareador<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,15mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Espessura da placa<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0,4-8mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia da espessura da placa (\uff1c1.0mm)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,1mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia da espessura da placa (\u22651,0 mm)<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b110%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"2\"><strong>Toler\u00e2ncia de imped\u00e2ncia<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">De extremidade \u00fanica: \u00b15\u03a9(\u226450\u03a9)\uff0c\u00b17%(\uff1e50\u03a9)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Diferencial\uff1a\u00b15\u03a9(\u226450\u03a9)\uff0c\u00b17%(\uff1e50\u03a9)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tamanho m\u00ednimo do quadro<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">10*10mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tamanho m\u00e1ximo da placa<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">22,5*30polegadas<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Toler\u00e2ncia de contorno<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\u00b10,1mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>M\u00ednimo BGA<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">7mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>M\u00ednimo SMT<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">7*10mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Tratamento de superf\u00edcie<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">ENIG,Gold Finger,Prata de imers\u00e3o,Estanho de imers\u00e3o,HASL(LF),OSP,ENEPIG,Flash Gold;Revestimento de ouro duro<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>M\u00e1scara de solda<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Verde, preto, azul, vermelho, verde mate<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Folga m\u00ednima da m\u00e1scara de solda<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">1,5 milh\u00f5es de euros<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Dano m\u00ednimo da m\u00e1scara de solda<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">3mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Legenda<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">Branco, preto, vermelho, amarelo<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Largura\/altura m\u00ednima da legenda<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">4\/23mil<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>Largura do filete de deforma\u00e7\u00e3o<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">\/<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\"><strong>La\u00e7o e tor\u00e7\u00e3o<\/strong><\/td>\n<td valign=\"top\" colspan=\"1\" rowspan=\"1\">0.3%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Why_Choose_US\"><\/span>Porqu\u00ea escolher os EUA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.topfastpcb.com\/pt\/\">Topfast<\/a> \u00e9 um fabricante que se concentra no fabrico de PCB e PCBA h\u00e1 mais de 20 anos. Temos uma excelente equipa de investiga\u00e7\u00e3o e desenvolvimento de 28 pessoas. Podemos ajud\u00e1-lo com um servi\u00e7o de balc\u00e3o \u00fanico. Para o apoiar em todo o processo, desde a investiga\u00e7\u00e3o e desenvolvimento de fun\u00e7\u00f5es, discuss\u00e3o de design de PCB de produto, fabrico de PCB, aquisi\u00e7\u00e3o de componentes, at\u00e9 \u00e0 montagem de PCB.<\/p>\n<p>A nossa empresa fornece solu\u00e7\u00f5es industriais de PCB para clientes no dom\u00ednio dos modelos e pequenos volumes. Com produtos de alta qualidade e entrega atempada, ganh\u00e1mos a aclama\u00e7\u00e3o do mercado. Continuaremos a concentrar-nos na satisfa\u00e7\u00e3o do cliente, juntamente com \"alta qualidade\" e \"entrega r\u00e1pida\", e a empresa tornar-se-\u00e1 um fornecedor de servi\u00e7os de circuitos electr\u00f3nicos digno da confian\u00e7a do cliente. A nossa f\u00e1brica produz principalmente placas de circuito impresso comuns de dupla face, placas de circuito impresso multicamadas, placas de circuito impresso HDI, placas de circuito impresso \u00e0 base de metal e placas de circuito impresso de cer\u00e2mica, placas de circuito impresso de semicondutores, placas de circuito impresso r\u00edgido-flex\u00edvel e placas de circuito impresso flex\u00edveis.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688.png\" alt=\"\" width=\"750\" height=\"802\" class=\"aligncenter wp-image-2060 size-full\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688.png 750w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688-281x300.png 281w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/04\/619f389627688-600x642.png 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Application_of_PCB\"><\/span>Aplica\u00e7\u00e3o de PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As PCB de alta TG s\u00e3o utilizadas numa variedade de aplica\u00e7\u00f5es de alta temperatura, alta pot\u00eancia e alta frequ\u00eancia, tais como comboios de alta velocidade, aeroespacial, casas inteligentes e dispositivos m\u00e9dicos. Nestes ambientes, as PCB de alto TG podem garantir a estabilidade e fiabilidade das placas de circuito, reduzir a taxa de falhas do circuito e melhorar a efici\u00eancia do equipamento eletr\u00f3nico.<\/p>","protected":false},"excerpt":{"rendered":"<p>A Tg (temperatura de transi\u00e7\u00e3o v\u00edtrea) elevada \u00e9 um indicador-chave da resist\u00eancia ao calor dos substratos de PCB. Quando a temperatura de funcionamento excede o valor de Tg<\/p>","protected":false},"featured_media":2248,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[113],"product_tag":[205,121],"class_list":{"0":"post-2246","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rigid-pcb","7":"product_tag-pcb","8":"product_tag-rigid-pcb","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High TG Rigid PCB - Topfastpcb<\/title>\n<meta name=\"description\" content=\"High Tg (Glass Transition Temperature) is a key indicator of the heat resistance of PCB substrates. 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