FAQ<\/span><\/h2>\nQ1: Para que \u00e9 utilizada uma pastilha de safira em branco?
\u00c9 utilizado como substrato em bruto para aplica\u00e7\u00f5es de semicondutores, LED, \u00f3pticas e de investiga\u00e7\u00e3o, ap\u00f3s processamento posterior.<\/p>\n
Q2: Em que \u00e9 que \u00e9 diferente de uma pastilha de safira polida?
Uma pastilha em branco n\u00e3o \u00e9 polida e mant\u00e9m as superf\u00edcies cortadas com serra, enquanto uma pastilha polida est\u00e1 pronta para o fabrico direto de dispositivos.<\/p>\n
Q3: As dimens\u00f5es podem ser personalizadas?
Sim, o di\u00e2metro, a espessura, a orienta\u00e7\u00e3o e o acabamento dos bordos podem ser personalizados de acordo com os requisitos t\u00e9cnicos.<\/p>\n
Q4: \u00c9 adequado para a produ\u00e7\u00e3o direta de LED?
N\u00e3o. Deve ser submetido a lapida\u00e7\u00e3o e polimento antes de ser utilizado para o crescimento epitaxial de LED.<\/p>\n
Q5: O que torna a safira melhor do que o vidro ou o quartzo?
A safira oferece uma dureza, resist\u00eancia \u00e0 temperatura e estabilidade qu\u00edmica significativamente mais elevadas do que os materiais \u00f3pticos convencionais.<\/p>\n
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As pastilhas de safira em bruto representam um material cr\u00edtico a montante nas cadeias de fornecimento de fabrico avan\u00e7adas, permitindo um controlo preciso do desempenho final da pastilha. A sua combina\u00e7\u00e3o de elevada pureza, durabilidade mec\u00e2nica e flexibilidade de processamento torna-os indispens\u00e1veis para aplica\u00e7\u00f5es de semicondutores, \u00f3pticas e de 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![\"Pastilhas](\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/sapphire_wafer_blank_high_purity_raw_sapphire_substrate_for_processing1-300x300.webp\")
As bolachas de safira em bruto s\u00e3o substratos de \u00f3xido de alum\u00ednio monocristalino (Al\u2082O\u2083) de elevada pureza, tal como cortados, derivados diretamente de bolachas de safira, utilizando tecnologia avan\u00e7ada de serragem de fio. Ao contr\u00e1rio das bolachas acabadas, estes substratos s\u00e3o entregues no seu estado bruto e n\u00e3o processado, o que significa que a superf\u00edcie mant\u00e9m as marcas de serra e n\u00e3o foi submetida a lapida\u00e7\u00e3o, polimento ou planariza\u00e7\u00e3o qu\u00edmico-mec\u00e2nica (CMP).<\/p>\n![\"Pastilhas](\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/sapphire_wafer_blank_high_purity_raw_sapphire_substrate_for_processing2-300x300.webp\")
Carater\u00edsticas do material<\/span><\/h2>\n![\"\"](\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/20240819154539_19680-300x300.jpg\")
Processo de fabrico<\/span><\/h2>\n