{"id":2173,"date":"2026-04-14T03:08:56","date_gmt":"2026-04-14T03:08:56","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?post_type=product&#038;p=2173"},"modified":"2026-04-14T03:08:59","modified_gmt":"2026-04-14T03:08:59","slug":"4-inch-100mm-hpsi-silicon-carbide-wafer","status":"publish","type":"product","link":"https:\/\/www.zmsh-semitech.com\/pt\/product\/4-inch-100mm-hpsi-silicon-carbide-wafer\/","title":{"rendered":"Pastilha de carboneto de sil\u00edcio HPSI de 4 polegadas e 100 mm"},"content":{"rendered":"<p data-start=\"202\" data-end=\"487\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-2177 size-medium\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-300x300.webp\" alt=\"Pastilha de carboneto de sil\u00edcio HPSI de 4 polegadas e 100 mm\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses2.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>A bolacha de carboneto de sil\u00edcio HPSI de 4 polegadas \u00e9 um substrato semi-isolante de elevada pureza concebido para aplica\u00e7\u00f5es avan\u00e7adas de RF, micro-ondas e optoelectr\u00f3nica. HPSI refere-se a material semi-isolante de elevada pureza, caracterizado por uma resistividade extremamente elevada e um excelente isolamento el\u00e9trico.<\/p>\n<p data-start=\"489\" data-end=\"899\">O carboneto de sil\u00edcio \u00e9 um semicondutor de banda larga composto por sil\u00edcio e carbono. Em compara\u00e7\u00e3o com as pastilhas de sil\u00edcio convencionais, oferece uma condutividade t\u00e9rmica superior, um campo el\u00e9trico de rutura mais elevado e um melhor desempenho em condi\u00e7\u00f5es de funcionamento extremas. Na forma de semi-isolante, o SiC reduz significativamente a condu\u00e7\u00e3o parasita, tornando-o uma plataforma ideal para dispositivos electr\u00f3nicos de alta frequ\u00eancia e alta pot\u00eancia.<\/p>\n<p data-start=\"901\" data-end=\"1198\">Este formato de bolacha de 4 polegadas \u00e9 amplamente utilizado tanto na investiga\u00e7\u00e3o como na produ\u00e7\u00e3o industrial devido ao seu equil\u00edbrio entre custo, maturidade e compatibilidade de processos. \u00c9 especialmente adequado para dispositivos RF, sistemas de comunica\u00e7\u00e3o 5G, m\u00f3dulos de radar e tecnologias \u00f3pticas emergentes, como componentes de guia de ondas AR.<\/p>\n<h2 data-section-id=\"1a3ueyz\" data-start=\"1205\" data-end=\"1222\">Especifica\u00e7\u00f5es<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1224\" data-end=\"1626\">\n<thead data-start=\"1224\" data-end=\"1245\">\n<tr data-start=\"1224\" data-end=\"1245\">\n<th class=\"\" data-start=\"1224\" data-end=\"1236\" data-col-size=\"sm\">Par\u00e2metro<\/th>\n<th class=\"\" data-start=\"1236\" data-end=\"1245\" data-col-size=\"sm\">Valor<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1266\" data-end=\"1626\">\n<tr data-start=\"1266\" data-end=\"1293\">\n<td data-start=\"1266\" data-end=\"1277\" data-col-size=\"sm\">Di\u00e2metro<\/td>\n<td data-col-size=\"sm\" data-start=\"1277\" data-end=\"1293\">100 \u00b1 0,5 mm<\/td>\n<\/tr>\n<tr data-start=\"1294\" data-end=\"1316\">\n<td data-start=\"1294\" data-end=\"1306\" data-col-size=\"sm\">Espessura<\/td>\n<td data-col-size=\"sm\" data-start=\"1306\" data-end=\"1316\">350 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"1317\" data-end=\"1350\">\n<td data-start=\"1317\" data-end=\"1328\" data-col-size=\"sm\">Material<\/td>\n<td data-col-size=\"sm\" data-start=\"1328\" data-end=\"1350\">SiC monocristalino<\/td>\n<\/tr>\n<tr data-start=\"1351\" data-end=\"1384\">\n<td data-start=\"1351\" data-end=\"1358\" data-col-size=\"sm\">Tipo<\/td>\n<td data-col-size=\"sm\" data-start=\"1358\" data-end=\"1384\">HPSI (semi-isolante)<\/td>\n<\/tr>\n<tr data-start=\"1385\" data-end=\"1423\">\n<td data-start=\"1385\" data-end=\"1399\" data-col-size=\"sm\">Resistividade<\/td>\n<td data-col-size=\"sm\" data-start=\"1399\" data-end=\"1423\">\u22651E5 a \u22651E10 ohm-cm<\/td>\n<\/tr>\n<tr data-start=\"1424\" data-end=\"1463\">\n<td data-start=\"1424\" data-end=\"1444\" data-col-size=\"sm\">Rugosidade da superf\u00edcie<\/td>\n<td data-col-size=\"sm\" data-start=\"1444\" data-end=\"1463\">CMP Ra \u2264 0,2 nm<\/td>\n<\/tr>\n<tr data-start=\"1464\" data-end=\"1481\">\n<td data-start=\"1464\" data-end=\"1470\" data-col-size=\"sm\">TTV<\/td>\n<td data-col-size=\"sm\" data-start=\"1470\" data-end=\"1481\">\u2264 10 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"1482\" data-end=\"1500\">\n<td data-start=\"1482\" data-end=\"1489\" data-col-size=\"sm\">Deformar<\/td>\n<td data-start=\"1489\" data-end=\"1500\" data-col-size=\"sm\">\u2264 30 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"1501\" data-end=\"1553\">\n<td data-start=\"1501\" data-end=\"1515\" data-col-size=\"sm\">Orienta\u00e7\u00e3o<\/td>\n<td data-col-size=\"sm\" data-start=\"1515\" data-end=\"1553\">Op\u00e7\u00f5es no eixo  ou fora do eixo<\/td>\n<\/tr>\n<tr data-start=\"1554\" data-end=\"1584\">\n<td data-start=\"1554\" data-end=\"1561\" data-col-size=\"sm\">Borda<\/td>\n<td data-col-size=\"sm\" data-start=\"1561\" data-end=\"1584\">Chanfro padr\u00e3o SEMI<\/td>\n<\/tr>\n<tr data-start=\"1585\" data-end=\"1626\">\n<td data-start=\"1585\" data-end=\"1593\" data-col-size=\"sm\">Grau<\/td>\n<td data-start=\"1593\" data-end=\"1626\" data-col-size=\"sm\">Produ\u00e7\u00e3o \/ Investiga\u00e7\u00e3o \/ Dummy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1628\" data-end=\"1790\">Estes par\u00e2metros garantem uma elevada qualidade da superf\u00edcie, uma baixa densidade de defeitos e propriedades mec\u00e2nicas est\u00e1veis necess\u00e1rias para o crescimento epitaxial e o fabrico de dispositivos de precis\u00e3o.<\/p>\n<h2 data-section-id=\"1p4die8\" data-start=\"1797\" data-end=\"1824\">Carater\u00edsticas do material<img decoding=\"async\" class=\"size-medium wp-image-2176 alignright\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-300x300.webp\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/silicon_carbide_wafer_4inch_hpsi_350um_widely_used_for_ar_glasses3.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h2>\n<p data-start=\"1826\" data-end=\"2024\">O carboneto de sil\u00edcio \u00e9 um dos mais importantes materiais semicondutores de terceira gera\u00e7\u00e3o. O seu largo intervalo de banda permite que os dispositivos funcionem a tens\u00f5es mais elevadas com correntes de fuga mais baixas em compara\u00e7\u00e3o com o sil\u00edcio.<\/p>\n<p data-start=\"2026\" data-end=\"2253\">Para os wafers HPSI, a carater\u00edstica definidora \u00e9 a sua resistividade extremamente elevada. Esta propriedade minimiza o fluxo de corrente indesejado dentro do substrato, o que \u00e9 fundamental para manter a integridade do sinal em aplica\u00e7\u00f5es de RF e micro-ondas.<\/p>\n<p data-start=\"2255\" data-end=\"2478\">A condutividade t\u00e9rmica \u00e9 significativamente mais elevada do que a dos materiais semicondutores tradicionais, permitindo uma dissipa\u00e7\u00e3o eficiente do calor durante o funcionamento a alta pot\u00eancia. Isto reduz o stress t\u00e9rmico e melhora a fiabilidade a longo prazo.<\/p>\n<p data-start=\"2480\" data-end=\"2761\">O SiC tamb\u00e9m apresenta um elevado campo el\u00e9trico de rutura, permitindo que os dispositivos suportem alta tens\u00e3o sem aumentar o tamanho. Al\u00e9m disso, o material mant\u00e9m um desempenho est\u00e1vel a altas temperaturas, altas frequ\u00eancias e exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o, tornando-o adequado para ambientes exigentes.<\/p>\n<h2 data-section-id=\"mu966k\" data-start=\"2768\" data-end=\"2783\">Aplica\u00e7\u00f5es<\/h2>\n<p data-start=\"2785\" data-end=\"3075\"><strong data-start=\"2785\" data-end=\"2813\">Dispositivos de RF e micro-ondas<\/strong><br data-start=\"2813\" data-end=\"2816\" \/>As pastilhas de carboneto de sil\u00edcio HPSI s\u00e3o amplamente utilizadas como substratos para amplificadores RF e circuitos de alta frequ\u00eancia. A sua elevada resistividade reduz as perdas parasitas e melhora a efici\u00eancia da transmiss\u00e3o de sinais, tornando-as essenciais para a eletr\u00f3nica de comunica\u00e7\u00f5es avan\u00e7ada.<\/p>\n<p data-start=\"3077\" data-end=\"3378\"><strong data-start=\"3077\" data-end=\"3112\">Infraestrutura de comunica\u00e7\u00e3o 5G<\/strong><br data-start=\"3112\" data-end=\"3115\" \/>Nos sistemas 5G, os dispositivos funcionam a frequ\u00eancias mais elevadas e requerem materiais com excelente isolamento el\u00e9trico. As pastilhas de SiC HPSI suportam um desempenho est\u00e1vel em esta\u00e7\u00f5es de base e m\u00f3dulos sem fios, permitindo uma maior efici\u00eancia na transmiss\u00e3o de dados e uma menor perda de energia.<\/p>\n<p data-start=\"3380\" data-end=\"3668\"><strong data-start=\"3380\" data-end=\"3414\">\u00d3culos de realidade aumentada e sistemas \u00f3pticos<\/strong><br data-start=\"3414\" data-end=\"3417\" \/>Nos dispositivos de realidade aumentada, as pastilhas de SiC s\u00e3o utilizadas em componentes \u00f3pticos e relacionados com guias de ondas. A sua estabilidade estrutural e compatibilidade com tecnologias de processamento de precis\u00e3o apoiam o desenvolvimento de sistemas \u00f3pticos compactos e de elevado desempenho.<\/p>\n<p data-start=\"3670\" data-end=\"3939\"><strong data-start=\"3670\" data-end=\"3699\">Radar e sistemas de defesa<\/strong><br data-start=\"3699\" data-end=\"3702\" \/>Os substratos HPSI SiC s\u00e3o adequados para eletr\u00f3nica de radar e defesa que requerem alta pot\u00eancia, alta frequ\u00eancia e fiabilidade. Mant\u00eam um funcionamento est\u00e1vel em condi\u00e7\u00f5es ambientais extremas, incluindo alta temperatura e radia\u00e7\u00e3o.<\/p>\n<p data-start=\"3941\" data-end=\"4136\"><strong data-start=\"3941\" data-end=\"3967\">Dispositivos optoelectr\u00f3nicos<\/strong><br data-start=\"3967\" data-end=\"3970\" \/>Estas bolachas s\u00e3o tamb\u00e9m utilizadas em dispositivos optoelectr\u00f3nicos e fot\u00f3nicos, em que o isolamento el\u00e9trico e o desempenho t\u00e9rmico s\u00e3o fundamentais para a efici\u00eancia e estabilidade do dispositivo.<\/p>\n<p data-start=\"3941\" data-end=\"4136\"><img decoding=\"async\" class=\"wp-image-2178 size-large aligncenter\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-1024x683.png\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-1024x683.png 1024w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-300x200.png 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-768x512.png 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-18x12.png 18w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1-600x400.png 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/applications-1.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 data-section-id=\"105f916\" data-start=\"4143\" data-end=\"4162\">Graus dispon\u00edveis<\/h2>\n<p data-start=\"4164\" data-end=\"4275\">Grau de produ\u00e7\u00e3o<br data-start=\"4180\" data-end=\"4183\" \/>Utilizado para o fabrico comercial de dispositivos com controlo de qualidade rigoroso e baixa densidade de defeitos.<\/p>\n<p data-start=\"4277\" data-end=\"4365\">Grau de investiga\u00e7\u00e3o<br data-start=\"4291\" data-end=\"4294\" \/>Adequado para desenvolvimento laboratorial, testes e otimiza\u00e7\u00e3o de processos.<\/p>\n<p data-start=\"4367\" data-end=\"4455\">Grau fict\u00edcio<br data-start=\"4378\" data-end=\"4381\" \/>Aplicado na calibra\u00e7\u00e3o de equipamentos, ensaios de processos e utiliza\u00e7\u00e3o n\u00e3o funcional.<\/p>\n<h2 data-section-id=\"19b7k0q\" data-start=\"4462\" data-end=\"4485\">Compara\u00e7\u00e3o Si vs SiC<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4487\" data-end=\"4792\">\n<thead data-start=\"4487\" data-end=\"4527\">\n<tr data-start=\"4487\" data-end=\"4527\">\n<th class=\"\" data-start=\"4487\" data-end=\"4498\" data-col-size=\"sm\">Im\u00f3veis<\/th>\n<th class=\"\" data-start=\"4498\" data-end=\"4508\" data-col-size=\"sm\">Sil\u00edcio<\/th>\n<th class=\"\" data-start=\"4508\" data-end=\"4527\" data-col-size=\"sm\">Carboneto de sil\u00edcio<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4568\" data-end=\"4792\">\n<tr data-start=\"4568\" data-end=\"4600\">\n<td data-start=\"4568\" data-end=\"4578\" data-col-size=\"sm\">Bandgap<\/td>\n<td data-col-size=\"sm\" data-start=\"4578\" data-end=\"4588\">1,12 eV<\/td>\n<td data-col-size=\"sm\" data-start=\"4588\" data-end=\"4600\">~3,26 eV<\/td>\n<\/tr>\n<tr data-start=\"4601\" data-end=\"4641\">\n<td data-start=\"4601\" data-end=\"4615\" data-col-size=\"sm\">Resistividade<\/td>\n<td data-col-size=\"sm\" data-start=\"4615\" data-end=\"4621\">Baixa<\/td>\n<td data-col-size=\"sm\" data-start=\"4621\" data-end=\"4641\">Muito elevado (HPSI)<\/td>\n<\/tr>\n<tr data-start=\"4642\" data-end=\"4684\">\n<td data-start=\"4642\" data-end=\"4665\" data-col-size=\"sm\">Condutividade t\u00e9rmica<\/td>\n<td data-col-size=\"sm\" data-start=\"4665\" data-end=\"4676\">Moderado<\/td>\n<td data-col-size=\"sm\" data-start=\"4676\" data-end=\"4684\">Elevado<\/td>\n<\/tr>\n<tr data-start=\"4685\" data-end=\"4731\">\n<td data-start=\"4685\" data-end=\"4708\" data-col-size=\"sm\">Capacidade de frequ\u00eancia<\/td>\n<td data-col-size=\"sm\" data-start=\"4708\" data-end=\"4718\">Limitada<\/td>\n<td data-col-size=\"sm\" data-start=\"4718\" data-end=\"4731\">Excelente<\/td>\n<\/tr>\n<tr data-start=\"4732\" data-end=\"4792\">\n<td data-start=\"4732\" data-end=\"4752\" data-col-size=\"sm\">Foco na aplica\u00e7\u00e3o<\/td>\n<td data-col-size=\"sm\" data-start=\"4752\" data-end=\"4767\">L\u00f3gica e CI<\/td>\n<td data-col-size=\"sm\" data-start=\"4767\" data-end=\"4792\">RF e alta-frequ\u00eancia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"4794\" data-end=\"4938\">O sil\u00edcio continua a dominar a eletr\u00f3nica convencional, enquanto o carboneto de sil\u00edcio \u00e9 cada vez mais utilizado em sistemas de alta frequ\u00eancia e de elevado desempenho.<\/p>\n<h2 data-section-id=\"1hryhf7\" data-start=\"4945\" data-end=\"4951\">FAQ<\/h2>\n<p data-start=\"4953\" data-end=\"5169\">P: O que \u00e9 uma pastilha de carboneto de sil\u00edcio HPSI?<br data-start=\"4994\" data-end=\"4997\" \/>Uma bolacha HPSI \u00e9 um substrato de carboneto de sil\u00edcio semi-isolante de elevada pureza com uma resistividade el\u00e9ctrica muito elevada, concebido para aplica\u00e7\u00f5es RF, micro-ondas e optoelectr\u00f3nicas.<\/p>\n<p data-start=\"5171\" data-end=\"5374\">P: Porque \u00e9 que a resistividade elevada \u00e9 importante?<br data-start=\"5208\" data-end=\"5211\" \/>A elevada resistividade reduz a condu\u00e7\u00e3o parasita e a interfer\u00eancia de sinal, o que \u00e9 fundamental para manter a efici\u00eancia e a integridade do sinal em dispositivos de alta frequ\u00eancia.<\/p>\n<p data-start=\"5376\" data-end=\"5596\">P: O carboneto de sil\u00edcio \u00e9 adequado para aplica\u00e7\u00f5es \u00f3pticas?<br data-start=\"5432\" data-end=\"5435\" \/>Sim, o carboneto de sil\u00edcio pode ser utilizado em determinadas aplica\u00e7\u00f5es \u00f3pticas e fot\u00f3nicas devido \u00e0 sua estabilidade t\u00e9rmica e compatibilidade com processos de fabrico avan\u00e7ados.<\/p>","protected":false},"excerpt":{"rendered":"<p>A pastilha de carboneto de sil\u00edcio HPSI de 4 polegadas \u00e9 um material essencial para sistemas electr\u00f3nicos de alta frequ\u00eancia e da pr\u00f3xima gera\u00e7\u00e3o. A sua combina\u00e7\u00e3o de elevada resistividade, desempenho t\u00e9rmico e estabilidade estrutural faz com que seja a escolha ideal para dispositivos RF, infra-estruturas de comunica\u00e7\u00e3o e tecnologias \u00f3pticas emergentes. Como a procura de sistemas de alta efici\u00eancia e de alta frequ\u00eancia continua a crescer, os substratos de SiC HPSI est\u00e3o a tornar-se cada vez mais importantes em aplica\u00e7\u00f5es avan\u00e7adas de 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