![\"\"](\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/03\/8inch_quartz_wafer_diameter_200mm_ttv_10_m_ra_1_0_nm_for_high_precision_sensors2-300x300.jpg\")
The 8-inch fused quartz wafer is a premium high-purity synthetic quartz (SiO\u2082 \u226599.99%) substrate engineered for high-precision applications in semiconductor, MEMS, optical, and laser systems. Its ultra-low thermal expansion, exceptional UV-IR transmittance, and excellent chemical resistance make it ideal for demanding environments such as photolithography, etching, thin-film deposition, and high-precision sensor fabrication.<\/p>\n
Each wafer is carefully produced under stringent quality control in a cleanroom environment to ensure superior flatness, surface finish, and purity. This guarantees reliable performance for critical industrial, research, and aerospace applications.<\/p>\n
\n
Ultra-High Purity (\u226599.99%)<\/strong>: Minimizes contamination in semiconductor and optical processes.<\/p>\n<\/li>\n V\u00fdjime\u010dn\u00e1 tepeln\u00e1 stabilita<\/strong>: Softening point ~1683\u00b0C, short-term tolerance up to 1450\u00b0C for high-temperature processes. Ultra-Low Thermal Expansion (0.55 \u00d7 10\u207b\u2076\/K)<\/strong>: Ensures dimensional stability under thermal stress.<\/p>\n<\/li>\n Superior Optical Transmission<\/strong>: UV-IR range 185\u202fnm\u20132.5\u202f\u00b5m, ideal for photolithography, laser optics, and UV sensors.<\/p>\n<\/li>\n Vysok\u00e1 kvalita povrchu<\/strong>: Ra \u22641.0\u202fnm and TTV \u226410\u202f\u00b5m for uniform thin-film deposition and precise sensor integration.<\/p>\n<\/li>\n Chemick\u00e1 odolnost<\/strong>: Resistant to most acids (except HF) and alkalis, suitable for wet etching and harsh environments.<\/p>\n<\/li>\n Radiation Resistance & Dielectric Stability<\/strong>: Supports aerospace and high-energy physics applications.<\/p>\n<\/li>\n Customizable Shapes & Sizes<\/strong>: Round, square, annular, or sector-shaped wafers with optional polishing, AR\/IR\/DLC coatings, and microfabrication.<\/p>\n<\/li>\n<\/ul>\n Q: What is the standard thickness of an 8-inch quartz wafer?<\/strong> Q: Why choose fused quartz wafers over silicon wafers?<\/strong> Q: Can FUYAO provide custom wafer shapes and surface treatments?<\/strong> The 8-inch fused quartz wafer is a premium high-purity synthetic quartz (SiO\u2082 \u226599.99%) substrate engineered for high-precision applications in semiconductor, MEMS, optical, and laser systems. Its ultra-low thermal expansion, exceptional UV-IR transmittance, and excellent chemical resistance make it ideal for demanding environments such as photolithography, etching, thin-film deposition, and high-precision sensor fabrication.<\/p>","protected":false},"featured_media":2487,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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<\/p>\n<\/li>\nAplikace<\/strong><\/h3>\n
\n\n\n\n
\n \nIndustry<\/th>\n Aplikace<\/th>\n Benefit<\/th>\n<\/tr>\n<\/thead>\n \n Polovodi\u010de<\/td>\n Photomask substrates, etching carriers, CMP polishing pads<\/td>\n High-temperature stability, ultra-low defects, ensures chip manufacturing precision<\/td>\n<\/tr>\n \n Photovoltaics<\/td>\n PECVD process wafers, thin-film deposition substrates<\/td>\n Thermal shock resistance, improves solar cell efficiency<\/td>\n<\/tr>\n \n Optoelectronics<\/td>\n LED\/LD substrates, laser windows, optical sensors<\/td>\n High UV-IR transmission, low autofluorescence, enhances device performance<\/td>\n<\/tr>\n \n Precision Optics<\/td>\n Lens substrates, prisms, beam splitters, IR windows<\/td>\n Low thermal expansion, high homogeneity, ensures optical stability<\/td>\n<\/tr>\n \n Research & Lab<\/td>\n Synchrotron radiation, VUV experiments, high-energy detectors<\/td>\n Radiation-resistant, withstands extreme conditions<\/td>\n<\/tr>\n \n Letectv\u00ed a kosmonautika<\/td>\n Satellite optical windows, high-temperature observation panels<\/td>\n Thermal shock endurance, space-grade reliability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n Technick\u00e9 specifikace<\/strong><\/h3>\n
\n\n\n\n
\n \nParametr<\/th>\n Specifikace<\/th>\n<\/tr>\n<\/thead>\n \n Materi\u00e1l<\/td>\n Synthetic Fused Quartz (SiO\u2082 \u226599.99%)<\/td>\n<\/tr>\n \n Pr\u016fm\u011br<\/td>\n 200\u202fmm (8-inch)<\/td>\n<\/tr>\n \n Rozsah tlou\u0161\u0165ky<\/td>\n 100\u202f\u00b5m \u2013 3000\u202f\u00b5m (customizable)<\/td>\n<\/tr>\n \n Total Thickness Variation (TTV)<\/td>\n \u226410\u202f\u00b5m<\/td>\n<\/tr>\n \n Drsnost povrchu (Ra)<\/td>\n \u22641.0\u202fnm<\/td>\n<\/tr>\n \n Total Impurity Content<\/td>\n \u22642.0\u202f\u00b5g\/g<\/td>\n<\/tr>\n \n Koeficient tepeln\u00e9 rozta\u017enosti<\/td>\n 0.55 \u00d7 10\u207b\u2076\/K (20\u2013300\u00b0C)<\/td>\n<\/tr>\n \n Teplotn\u00ed odolnost<\/td>\n Softening Point 1683\u00b0C, short-term up to 1450\u00b0C<\/td>\n<\/tr>\n \n UV Transmittance<\/td>\n >90% (200\u2013260\u202fnm)<\/td>\n<\/tr>\n \n Rovinnost povrchu<\/td>\n High precision, TTV \u226410\u202f\u00b5m<\/td>\n<\/tr>\n \n Shape Options<\/td>\n Round (standard), custom shapes available<\/td>\n<\/tr>\n \n Certifications<\/td>\n RoHS, ISO9001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n ![\"\"](\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/03\/8inch_quartz_wafer_diameter_200mm_ttv_10_m_ra_1_0_nm_for_high_precision_sensors3-300x300.jpg\")
\u010cASTO KLADEN\u00c9 DOTAZY<\/strong><\/h3>\n\n
A:<\/strong> Standard thickness is 0.5\u20131.0\u202fmm, with custom options up to 10\u202fmm for specialized semiconductor and optical applications.<\/p>\n<\/li>\n
A:<\/strong> Fused quartz wafers provide superior UV transparency, higher thermal stability (up to 1730\u00b0C), chemical resistance, and dimensional stability, making them ideal for high-precision lithography and harsh processes.<\/p>\n<\/li>\n
A:<\/strong> Yes. Options include round, square, annular, sector-shaped wafers, with surface treatments such as optical polishing, AR\/IR\/DLC coatings, drilling, and grooving.<\/p>\n<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"